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Renee Hsia , MD, MSc

Title(s)Professor, Emergency Medicine
SchoolSchool of Medicine
Address1001 Potrero Ave
San Francisco CA 94110
Phone628-206-4612
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    Collapse Biography 
    Collapse Education and Training
    Stanford UniversityResidencyEmergency Medicine
    Harvard Medical SchoolM.D.
    London School of Economics and London School of Hygiene and Tropical Medicine M.Sc.Health Policy, Planning, and Financing
    Princeton UniversityA.B. Woodrow Wilson School of Public and International Affairs
    Collapse Awards and Honors
    2019The American Society for Clinical Investigation
    2017  - 2018UCSF EM Residency 4th Quarter Bedside Teaching Award (SFGH)
    2017Top Ten Health Affairs Articles in 2017: Editor’s Picks
    2015Top Ten Health Affairs Articles In 2015: Editor’s Picks
    2014Top Peer Reviewer, Annals of Emergency Medicine
    2013Visiting Professor Grand Rounds lecture series, Georgetown University Hospital/Washington Hospital
    2013Visiting Scholar, Harvard School of Public Health, Department of Health Policy and Management
    2013Academy for Women in Academic Emergency Medicine (AWAEM) Early Career Faculty Award
    2012  - 2013UCSF Outstanding Resident Teaching Award (Dept of Obstetrics, Gynecology, and Reproductive Sciences)
    2012Emergency Medicine Foundation Health Policy Grant
    2011Society for Academic Emergency Medicine Young Investigator Award
    2010  - 2012Senior Reviewer, Annals of Emergency Medicine
    2009  - 2010UCSF EM Residency 4th Quarter Bedside Teaching Award (SFGH)
    2009Best Paper Award for American College of Emergency Physicians
    2009Stanford/Kaiser Emergency Medicine Residency Annual Attending Bedside Teaching Award
    2009Society for Academic Emergency Medicine Mid-Atlantic Best in Session Presentation
    2009Stanford/Kaiser Emergency Medicine Clinical Teaching Award
    2009Robert Wood Johnson Foundation Physician Faculty Scholars Award
    2008Asian American’s Women’s Alliance 2008 Recognition Award
    2008Stanford/Kaiser Emergency Medicine Quarterly Bedside Teaching Award

    Collapse Overview 
    Collapse Overview
    Renee Y. Hsia, M.D., M.Sc. is a Professor and Associate Chair of Health Services Research of the Department of Emergency Medicine. She is also a core faculty member of the UCSF Philip R. Lee Institute for Health Policy Studies (IHPS), as well as a member of the UCSF Center for Healthcare Value and the UCSF Global Health Economics Consortium. She is certified by the American Board of Emergency Medicine. Dr. Hsia speaks Mandarin, Cantonese, Spanish, and French, and provides emergency care to patients with a variety of backgrounds as an attending physician in the emergency department at the Zuckerberg San Francisco General Hospital & Trauma Center, the only county hospital and trauma center for San Francisco, California.

    Dr. Hsia’s broad research interests are in health services issues related to increasing access to emergency care and regionalization of care. She has been funded by several private foundation grants, including the Robert Wood Johnson Foundation, as well as the National Institutes of Health (National Heart, Lung, and Blood Institute), and the Agency for Healthcare Research and Quality, to study population access to emergency departments and trauma centers in the U.S; the distribution of emergency care across income areas; factors associated with closure of emergency services (both emergency departments and trauma centers); and how these closures affect patient outcomes, specifically focusing on patients with acute myocardial infarction, stroke, asthma/COPD, sepsis, and trauma. Her research program also focuses on healthcare costs and financing issues with regard to emergency care. She is also the site PI for several multi-site studies validating trauma triage criteria for different age groups as well as their ability to predict high-risk patients. She has published on these issues in a broad range of journals, including the New England Journal of Medicine, the Journal of the American Medical Association, and Health Affairs. Her research has been widely publicized in print media, including the New York Times, the Associated Press, Reuters, USA Today, as well as national network news and radio. Dr. Hsia hopes that this work will help to inform the public and policymakers on issues related to the equitable provision of critical services to patients across the country and globally.

    Collapse Research 
    Collapse Research Activities and Funding
    The Impact of Cardiac Care Regionalization on Access, Treatment, and Outcomes
    NIH/NHLBI R01HL134182Jul 1, 2016 - Jun 30, 2020
    Role: Principal Investigator
    The Impact of Cardiac Care Regionalization on Access, Treatment, and Outcomes
    NIH/NHLBI R56HL121108Sep 1, 2014 - Aug 31, 2015
    Role: Principal Investigator
    Effects of Percutaneous Coronary Intervention Lab Openings and Closures on Patients, Hospitals, and Communities
    NIH/NHLBI R01HL114822Aug 17, 2012 - Apr 30, 2021
    Role: Co-Principal Investigator

    Collapse ORNG Applications 
    Collapse Global Health
    Collapse Websites
    Collapse In The News
    Collapse Student Projects
    Collapse Twitter

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
    Newest   |   Oldest   |   Most Cited   |   Most Discussed   |   Timeline   |   Field Summary   |   Plain Text
    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Early Do-Not-Resuscitate Orders and Outcome After Intracerebral Hemorrhage. Neurocrit Care. 2020 Jul 13. Madhok DY, Vitt JR, MacIsaac D, Hsia RY, Kim AS, Hemphill JC. PMID: 32661793.
      View in: PubMed   Mentions:    Fields:    
    2. Assessment of Hospital Readmissions From the Emergency Department After Implementation of Medicare's Hospital Readmissions Reduction Program. JAMA Netw Open. 2020 May 01; 3(5):e203857. Hsuan C, Carr BG, Hsia RY, Hoffman GJ. PMID: 32356883.
      View in: PubMed   Mentions:    Fields:    
    3. Effects of Medicaid expansion on access, treatment and outcomes for patients with acute myocardial infarction. PLoS One. 2020; 15(4):e0232097. Valdovinos EM, Niedzwiecki MJ, Guo J, Hsia RY. PMID: 32324827.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. The rising cost of commonly used emergency department medications (2006-15). Am J Emerg Med. 2020 Feb 13. Tebo C, Mazer-Amirshahi M, Zocchi MS, Gibson C, Rosenwohl-Mack S, Hsia RY, Fox ER, Nelson LS, Pines JM. PMID: 32081556.
      View in: PubMed   Mentions:    Fields:    
    5. Revisits, readmissions, and outcomes for pediatric traumatic brain injury in California, 2005-2014. PLoS One. 2020; 15(1):e0227981. Hsia RY, Mannix RC, Guo J, Kornblith AE, Lin F, Sokolove PE, Manley GT. PMID: 31978188.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Implementation of Federal Dependent Care Policies for Physician-Scientists at Leading US Medical Schools. JAMA Intern Med. 2019 Oct 14. Ormseth CH, Mangurian C, Jagsi R, Choo EK, Lowenstein DH, Hsia RY. PMID: 31609401.
      View in: PubMed   Mentions:    Fields:    
    7. Emergency Department Closures And Openings: Spillover Effects On Patient Outcomes In Bystander Hospitals. Health Aff (Millwood). 2019 09; 38(9):1496-1504. Hsia RY, Shen YC. PMID: 31479367.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    8. Unexpected Deaths Among Patients With Normal Initial Vital Signs. Acad Emerg Med. 2019 11; 26(11):1285-1288. Yan BW, Hsia RY. PMID: 31310671.
      View in: PubMed   Mentions:    Fields:    
    9. Identification of Emergency Care-Sensitive Conditions and Characteristics of Emergency Department Utilization. JAMA Netw Open. 2019 08 02; 2(8):e198642. Vashi AA, Urech T, Carr B, Greene L, Warsavage T, Hsia R, Asch SM. PMID: 31390036.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Community and Hospital Factors Associated With Stroke Center Certification in the United States, 2009 to 2017. JAMA Netw Open. 2019 07 03; 2(7):e197855. Shen YC, Chen G, Hsia RY. PMID: 31348507.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Ambulance diversions following public hospital emergency department closures. Health Serv Res. 2019 08; 54(4):870-879. Hsuan C, Hsia RY, Horwitz JR, Ponce NA, Rice T, Needleman J. PMID: 30941753.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Factors Associated With Geriatric Frequent Users of Emergency Departments. Ann Emerg Med. 2019 08; 74(2):270-275. Castillo EM, Brennan JJ, Howard J, Hsia RY, Chalmers C, Chan TC, Ko KJ. PMID: 30704786.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    13. Access to Federally Qualified Health Centers and Emergency Department Use Among Uninsured and Medicaid-insured Adults: California, 2005 to 2013. Acad Emerg Med. 2019 02; 26(2):129-139. Nath JB, Costigan S, Lin F, Vittinghoff E, Hsia RY. PMID: 30648780.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    14. Past Frequent Emergency Department Use Predicts Mortality. Health Aff (Millwood). 2019 01; 38(1):155-158. Niedzwiecki MJ, Kanzaria HK, Montoy JC, Hsia RY, Raven MC. PMID: 30615529.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Ten-year trends in traumatic brain injury: a retrospective cohort study of California emergency department and hospital revisits and readmissions. BMJ Open. 2018 12 14; 8(12):e022297. Hsia RY, Markowitz AJ, Lin F, Guo J, Madhok DY, Manley GT. PMID: 30552250.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    16. Characterizing pediatric high frequency users of California emergency departments. Am J Emerg Med. 2019 09; 37(9):1699-1704. Supat B, Brennan JJ, Vilke GM, Ishimine P, Hsia RY, Castillo EM. PMID: 30651182.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. A US National Study of the Association Between Income and Ambulance Response Time in Cardiac Arrest. JAMA Netw Open. 2018 11 02; 1(7):e185202. Hsia RY, Huang D, Mann NC, Colwell C, Mercer MP, Dai M, Niedzwiecki MJ. PMID: 30646394.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    18. Limitations of Using Pediatric Respiratory Illness Readmissions to Compare Hospital Performance. J Hosp Med. 2018 11; 13(11):737-742. Kaiser SV, Lam R, Joseph GB, McCulloch C, Hsia RY, Cabana MD, Bardach NS. PMID: 30484778.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Injury-based Geographic Access to Trauma Centers. Acad Emerg Med. 2019 02; 26(2):192-204. Wei R, Clay Mann N, Dai M, Hsia RY. PMID: 30019802.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    20. Factors Associated With Emergency Department Use by Patients With and Without Mental Health Diagnoses. JAMA Netw Open. 2018 10 05; 1(6):e183528. Niedzwiecki MJ, Sharma PJ, Kanzaria HK, McConville S, Hsia RY. PMID: 30646248.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. Association of Legal Intervention Injuries With Race and Ethnicity Among Patients Treated in Emergency Departments in California. JAMA Netw Open. 2018 09 07; 1(5):e182150. Mooney AC, McConville S, Rappaport AJ, Hsia RY. PMID: 30646155.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    22. Comparing resource use between paediatric emergency department visits by triage level. Emerg Med J. 2018 Nov; 35(11):681-684. Samuels-Kalow ME, Niedzwiecki M, Friedman AB, Sokolove PE, Hsia RY. PMID: 30181161.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    23. Priorities to Overcome Barriers Impacting Data Science Application in Emergency Care Research. Acad Emerg Med. 2019 01; 26(1):97-105. Puskarich MA, Callaway C, Silbergleit R, Pines JM, Obermeyer Z, Wright DW, Hsia RY, Shah MN, Monte AA, Limkakeng AT, Meisel ZF, Levy PD. PMID: 30019795.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    24. Limitations of Using Pediatric Respiratory Illness Readmissions to Compare Hospital Performance. J Hosp Med. 2018; In print. Kaiser S, Lam R, Gabby JB, McCulloch C, Hsia RY, Cabana M, Bardach N.
    25. Trends in the utilisation of emergency departments in California, 2005-2015: a retrospective analysis. BMJ Open. 2018 07 23; 8(7):e021392. Hsia RY, Sabbagh SH, Guo J, Nuckton TJ, Niedzwiecki MJ. PMID: 30037870.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    26. Is Inpatient Volume Or Emergency Department Crowding A Greater Driver Of Ambulance Diversion? Health Aff (Millwood). 2018 07; 37(7):1115-1122. Hsia RY, Sarkar N, Shen YC. PMID: 29985688.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. How do ED patients with criminal justice contact compare with other ED users? A retrospective analysis of ED visits in California. BMJ Open. 2018 06 21; 8(6):e020897. McConville S, Mooney AC, Williams BA, Hsia RY. PMID: 29929952.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    28. Not All Insurance Is Equal: Differential Treatment and Health Outcomes by Insurance Coverage Among Nonelderly Adult Patients With Heart Attack. J Am Heart Assoc. 2018 06 05; 7(11). Niedzwiecki MJ, Hsia RY, Shen YC. PMID: 29871858.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    29. Frequent Emergency Department Users: A Statewide Comparison Before And After Affordable Care Act Implementation. Health Aff (Millwood). 2018 06; 37(6):881-889. McConville S, Raven MC, Sabbagh SH, Hsia RY. PMID: 29863931.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    30. Causes of Shortness of Breath in the Acute Patient: A National Study. Acad Emerg Med. 2018 11; 25(11):1227-1234. Hale ZE, Singhal A, Hsia RY. PMID: 29738108.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Erratum: This Article Corrects: "Trends in Regionalization of Care for ST-Segment Elevation Myocardial Infarction". West J Emerg Med. 2018 05; 19(3):630. Hsia RY, Sabbagh S, Sarkar N, Sporer K, Rokos IC, Brown JF, Brindis RG, Guo J, Shen YC. PMID: 29762612.
      View in: PubMed   Mentions:    Fields:    
    32. Emergency Psychiatric Care: The Authors Reply. Health Aff (Millwood). 2018 02; 37(2):335. Raven MC, Hsia RY, Kanzaria HK. PMID: 29401008.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    33. Are trends in billing for high-intensity emergency care explained by changes in services provided in the emergency department? An observational study among US Medicare beneficiaries. BMJ Open. 2018 01 30; 8(1):e019357. Burke LG, Wild RC, Orav EJ, Hsia RY. PMID: 29382680.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    34. Short-Term Outcomes and Factors Associated With Adverse Events Among Adults Discharged From the Emergency Department After Treatment for Acute Heart Failure. Circ Heart Fail. 2017 Dec; 10(12). Sax DR, Mark DG, Hsia RY, Tan TC, Tabada GH, Go AS. PMID: 29237710.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    35. Complying with the Emergency Medical Treatment and Labor Act (EMTALA): Challenges and solutions. J Healthc Risk Manag. 2018 Jan; 37(3):31-41. Hsuan C, Horwitz JR, Ponce NA, Hsia RY, Needleman J. PMID: 29116661.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    36. Persistent Frequent Emergency Department Use: Core Group Exhibits Extreme Levels Of Use For More Than A Decade. Health Aff (Millwood). 2017 10 01; 36(10):1720-1728. Kanzaria HK, Niedzwiecki MJ, Montoy JC, Raven MC, Hsia RY. PMID: 28971916.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    37. Avoidable emergency department visits: a starting point. Int J Qual Health Care. 2017 Oct 01; 29(5):642-645. Hsia RY, Niedzwiecki M. PMID: 28992158.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    38. Differences between incarcerated and non-incarcerated patients who die in community hospitals highlight the need for palliative care services for seriously ill prisoners in correctional facilities and in community hospitals: A cross-sectional study. Palliat Med. 2018 01; 32(1):17-22. Rothman A, McConville S, Hsia R, Metzger L, Ahalt C, Williams BA. PMID: 28952889.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    39. Don't Hate the Player; Hate the Game. Ann Emerg Med. 2017 12; 70(6):875-883. Hsia RY, King J, Carr BG. PMID: 28935276.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    40. Trends in Regionalization of Care for ST-Segment Elevation Myocardial Infarction. West J Emerg Med. 2017 10; 18(6):1010-1017. Hsia RY, Sabbagh S, Sarkar N, Sporer K, Rokos IC, Brown JF, Brindis RG, Guo J, Shen YC. PMID: 29085531.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    41. It's Time for a Strategic Approach to Observation Care. J Hosp Med. 2017 06; 12(6):479-480. Sabbatini AK, Hsia RY. PMID: 28574543.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    42. Impact Of Ambulance Diversion: Black Patients With Acute Myocardial Infarction Had Higher Mortality Than Whites. Health Aff (Millwood). 2017 06 01; 36(6):1070-1077. Hsia RY, Sarkar N, Shen YC. PMID: 28583966.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    43. Trends in the supply of California's emergency departments and inpatient services, 2005-2014: a retrospective analysis. BMJ Open. 2017 05 11; 7(5):e014721. Chow JL, Niedzwiecki MJ, Hsia RY. PMID: 28495813.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    44. The American College of Surgeons Needs-Based Assessment of Trauma Systems: Estimates for the State of California. J Trauma Acute Care Surg. 2017 05; 82(5):861-866. Uribe-Leitz T, Esquivel MM, Knowlton LM, Ciesla D, Lin F, Hsia RY, Spain DA, Winchell RJ, Staudenmayer KL. PMID: 28248801.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    45. Validating the Use of ICD-9 Code Mapping to Generate Injury Severity Scores. J Trauma Nurs. 2017 Jan/Feb; 24(1):4-14. Fleischman RJ, Mann NC, Dai M, Holmes JF, Wang NE, Haukoos J, Hsia RY, Rea T, Newgard CD. PMID: 28033134.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    46. Association Between Emergency Department Closure and Treatment, Access, and Health Outcomes Among Patients With Acute Myocardial Infarction. Circulation. 2016 11 15; 134(20):1595-1597. Shen YC, Hsia RY. PMID: 27881498.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    47. Geographical Distribution of Emergency Department Closures and Consequences on Heart Attack Patients. National Bureau of Economic Research. 2016; Working Paper (No. 22861). Shen YC, Hsia RY..
    48. Federally Qualified Health Center Access and Emergency Department Use Among Children. Pediatrics. 2016 10; 138(4). Nath JB, Costigan S, Lin F, Vittinghoff E, Hsia RY. PMID: 27660059.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    49. Emergency Department Death Rates: The Authors Reply. Health Aff (Millwood). 2016 10 01; 35(10):1937. Kanzaria HK, Hsia RY, Probst MA. PMID: 27702979.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    50. Emergency Department Length-Of-Stay For Psychiatric Visits Was Significantly Longer Than For Nonpsychiatric Visits, 2002-11. Health Aff (Millwood). 2016 09 01; 35(9):1698-706. Zhu JM, Singhal A, Hsia RY. PMID: 27605653.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    51. A Novel Survey Tool to Quantify the Degree and Duration of STEMI Regionalization Across California. Crit Pathw Cardiol. 2016 09; 15(3):103-5. Rokos IC, Sporer K, Savino PB, Mercer MP, Shontz SS, Sabbagh S, Hsia RY. PMID: 27465005.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    52. Racial-Ethnic Disparities in Opioid Prescriptions at Emergency Department Visits for Conditions Commonly Associated with Prescription Drug Abuse. PLoS One. 2016; 11(8):e0159224. Singhal A, Tien YY, Hsia RY. PMID: 27501459.
      View in: PubMed   Mentions: 17     Fields:    Translation:Humans
    53. Geographic Discordance Between Patient Residence and Incident Location in Emergency Medical Services Responses. Ann Emerg Med. 2017 01; 69(1):44-51.e3. Hsia RY, Dai M, Wei R, Sabbagh S, Mann NC. PMID: 27497673.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    54. Geographic disparities in access to urban trauma care: defining the problem and identifying a solution for gunshot wound victims in Chicago. Am J Surg. 2016 Oct; 212(4):587-591. Wandling M, Behrens J, Hsia R, Crandall M. PMID: 27567114.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    55. Hospitalization After a Return Visit to the Emergency Department--Reply. JAMA. 2016 Jul 12; 316(2):223-4. Sabbatini AK, Basu A, Hsia RY. PMID: 27404197.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    56. Emergency Department Death Rates Dropped By Nearly 50 Percent, 1997-2011. Health Aff (Millwood). 2016 07 01; 35(7):1303-8. Kanzaria HK, Probst MA, Hsia RY. PMID: 27385248.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    57. A National Study of the Prevalence of Life-Threatening Diagnoses in Patients With Chest Pain. JAMA Intern Med. 2016 07 01; 176(7):1029-32. Hsia RY, Hale Z, Tabas JA. PMID: 27295579.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansPHPublic Health
    58. Urgent Care Needs Among Nonurgent Visits to the Emergency Department. JAMA Intern Med. 2016 06 01; 176(6):852-4. Hsia RY, Friedman AB, Niedzwiecki M. PMID: 27089549.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    59. Effects of closure of an urban level I trauma centre on adjacent hospitals and local injury mortality: a retrospective, observational study. BMJ Open. 2016 05 10; 6(5):e011700. Crandall M, Sharp D, Wei X, Nathens A, Hsia RY. PMID: 27165650.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    60. Changes in Demographics of Patients Seen at Federally Qualified Health Centers, 2005-2014. JAMA Intern Med. 2016 05 01; 176(5):712-4. Nath JB, Costigan S, Hsia RY. PMID: 27064681.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    61. Community characteristics associated with where urgent care centers are located: a cross-sectional analysis. BMJ Open. 2016 Apr 07; 6(4):e010663. Le ST, Hsia RY. PMID: 27056591.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    62. The Triage of Injured Patients: Mechanism of Injury, Regardless of Injury Severity, Determines Hospital Destination. Am Surg. 2016 Apr; 82(4):356-61. Staudenmayer K, Wang NE, Weiser TG, Maggio P, Mackersie RC, Spain D, Hsia RY. PMID: 27097630.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    63. Do patients hospitalised in high-minority hospitals experience more diversion and poorer outcomes? A retrospective multivariate analysis of Medicare patients in California. BMJ Open. 2016 Mar 17; 6(3):e010263. Shen YC, Hsia RY. PMID: 26988352.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    64. Cost-Effectiveness of Field Trauma Triage among Injured Adults Served by Emergency Medical Services. J Am Coll Surg. 2016 06; 222(6):1125-37. Newgard CD, Yang Z, Nishijima D, McConnell KJ, Trent SA, Holmes JF, Daya M, Mann NC, Hsia RY, Rea TD, Wang NE, Staudenmayer K, Delgado MK. PMID: 27178369.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    65. Trauma center care is associated with reduced readmissions after injury. J Trauma Acute Care Surg. 2016 Mar; 80(3):412-6; discussion 416-8. Staudenmayer K, Weiser TG, Maggio PM, Spain DA, Hsia RY. PMID: 26713975.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    66. In-Hospital Outcomes and Costs Among Patients Hospitalized During a Return Visit to the Emergency Department. JAMA. 2016 Feb 16; 315(7):663-71. Sabbatini AK, Kocher KE, Basu A, Hsia RY. PMID: 26881369.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    67. Relationship of Affordable Care Act Implementation to Emergency Department Utilization Among Young Adults. Ann Emerg Med. 2016 06; 67(6):714-720.e1. Hernandez-Boussard T, Morrison D, Goldstein BA, Hsia RY. PMID: 26778281.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    68. The Relationship of Financial Pressures and Community Characteristics to Closure of Private Safety Net Clinics. Med Care Res Rev. 2016 10; 73(5):590-605. Li S, Dor A, Pines JM, Zocchi MS, Hsia RY. PMID: 26712803.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    69. Use of emergency department imaging in patients with minor trauma. J Surg Res. 2016 06 01; 203(1):238-45. Tong GE, Staudenmayer K, Lin F, Hsia RY. PMID: 26732499.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    70. Emergency department observation units: Less than we bargained for? J Hosp Med. 2015 Nov; 10(11):762-3. Fahimi J, Hsia RY. PMID: 26503083.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    71. Private Safety-Net Clinics: Effects of Financial Pressures and Community Characteristics on Closures. National Bureau of Economic Research. 2015; Working Paper (No. 21648). Li S, Dor A, Pines JM, Zocchi MS, Hsia RY..
    72. Hospitals' Charity Care: The Authors Reply. Health Aff (Millwood). 2015 Oct; 34(10):1799. Valdovinos E, Le S, Hsia RY. PMID: 26438766.
      View in: PubMed   Mentions:    Fields:    
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    74. Prehospital and Emergency Care: Updates from the Disease Control Priorities, Version 3. World J Surg. 2015 Sep; 39(9):2161-7. Hsia RY, Thind A, Zakariah A, Hicks ER, Mock C. PMID: 25847225.
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    75. Ambulance diversion associated with reduced access to cardiac technology and increased one-year mortality. Health Aff (Millwood). 2015 Aug; 34(8):1273-80. Shen YC, Hsia RY. PMID: 26240239.
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    76. In California, not-for-profit hospitals spent more operating expenses on charity care than for-profit hospitals spent. Health Aff (Millwood). 2015 Aug; 34(8):1296-303. Valdovinos E, Le S, Hsia RY. PMID: 26240242.
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    77. Percutaneous Coronary Intervention in the United States: Risk Factors for Untimely Access. Health Serv Res. 2016 Apr; 51(2):592-609. Hsia RY, Shen YC. PMID: 26174998.
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    78. No Place to Call Home--Policies to Reduce ED Use in Medicaid. N Engl J Med. 2015 Jun 18; 372(25):2382-5. Friedman AB, Saloner B, Hsia RY. PMID: 26083205.
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    79. Comparison of Mortality and Costs at Trauma and Nontrauma Centers for Minor and Moderately Severe Injuries in California. Ann Emerg Med. 2016 Jan; 67(1):56-67.e5. Zocchi MS, Hsia RY, Carr BG, Sarani B, Pines JM. PMID: 26014435.
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    80. California emergency department visit rates for medical conditions increased while visit rates for injuries fell, 2005-11. Health Aff (Millwood). 2015 Apr; 34(4):621-6. Hsia RY, Nath JB, Baker LC. PMID: 25847645.
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    81. Regional availability of mechanical embolectomy for acute ischemic stroke in California, 2009 to 2010. Stroke. 2015 Mar; 46(3):762-8. Choi JC, Hsia RY, Kim AS. PMID: 25657180.
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    82. Children's emergency department use for asthma, 2001-2010. Acad Pediatr. 2015 Mar-Apr; 15(2):225-30. Nath JB, Hsia RY. PMID: 25596899.
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    83. Timeliness of care in US emergency departments: an analysis of newly released metrics from the Centers for Medicare & Medicaid services. JAMA Intern Med. 2014 Nov; 174(11):1847-9. Le ST, Hsia RY. PMID: 25222507.
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    84. Association between emergency department length of stay and rates of admission to inpatient and observation services. JAMA Intern Med. 2014 Nov; 174(11):1843-6. Carrier E, Khaldun J, Hsia RY. PMID: 25222625.
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    85. Emergency department visits by children, adolescents, and young adults in California by insurance status, 2005-2010. JAMA. 2014 Oct 15; 312(15):1587-8. Hsia RY, Nath JB, Baker LC. PMID: 25321913.
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    86. Association of Medicare and Medicaid insurance with increasing primary care-treatable emergency department visits in the United States. Acad Emerg Med. 2014 Oct; 21(10):1135-42. Pukurdpol P, Wiler JL, Hsia RY, Ginde AA. PMID: 25308137.
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    87. A variation in the value of colectomy for cancer across hospitals: mortality, readmissions, and costs. Surgery. 2014 Oct; 156(4):849-56, 860. Fox JP, Tyler JA, Vashi AA, Hsia RY, Saxe JM. PMID: 25239333.
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    88. Emergency department utilization among frequent users with psychiatric visits. Acad Emerg Med. 2014 Sep; 21(9):1015-22. Brennan JJ, Chan TC, Hsia RY, Wilson MP, Castillo EM. PMID: 25269582.
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    89. Variation in charges for 10 common blood tests in California hospitals: a cross-sectional analysis. BMJ Open. 2014 Aug 14; 4(8):e005482. Hsia RY, Akosa Antwi Y, Nath JB, Nath JP. PMID: 25127708.
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    90. The association between advanced diagnostic imaging and ED length of stay. Am J Emerg Med. 2014 Oct; 32(10):1253-8. Kanzaria HK, Probst MA, Ponce NA, Hsia RY. PMID: 25176565.
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    91. A cross-sectional analysis of variation in charges and prices across California for percutaneous coronary intervention. PLoS One. 2014; 9(8):e103829. Hsia RY, Akosa Antwi Y, Weber E, Brownell Nath J. PMID: 25089905.
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    92. California emergency department closures are associated with increased inpatient mortality at nearby hospitals. Health Aff (Millwood). 2014 Aug; 33(8):1323-9. Liu C, Srebotnjak T, Hsia RY. PMID: 25092832.
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    93. Physiologic field triage criteria for identifying seriously injured older adults. Prehosp Emerg Care. 2014 Oct-Dec; 18(4):461-70. Newgard CD, Richardson D, Holmes JF, Rea TD, Hsia RY, Mann NC, Staudenmayer K, Barton ED, Bulger EM, Haukoos JS. PMID: 24933614.
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    94. The association between community-level insurance coverage and emergency department use. Med Care. 2014 Jun; 52(6):535-40. Baker LC, Hsia RY. PMID: 24824537.
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    95. Variation in charges for emergency department visits across California. Ann Emerg Med. 2014 Aug; 64(2):120-6, 126.e1-4. Hsia RY, Akosa Antwi Y. PMID: 24888673.
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    96. Variability in California triage from 2005 to 2009: a population-based longitudinal study of severely injured patients. J Trauma Acute Care Surg. 2014 Apr; 76(4):1041-7. Staudenmayer K, Lin F, Mackersie R, Spain D, Hsia R. PMID: 24662870.
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    97. The association of trauma center closures with increased inpatient mortality for injured patients. J Trauma Acute Care Surg. 2014 Apr; 76(4):1048-54. Hsia RY, Srebotnjak T, Maselli J, Crandall M, McCulloch C, Kellermann AL. PMID: 24625549.
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    98. From 9-1-1 call to death: evaluating traumatic deaths in seven regions for early recognition of high-risk patients. J Trauma Acute Care Surg. 2014 Mar; 76(3):846-53. Dean D, Wetzel B, White N, Kuppermann N, Wang NE, Haukoos JS, Hsia RY, Mann NC, Barton ED, Newgard CD. PMID: 24553559.
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    99. Emergency department charges for asthma-related outpatient visits by insurance status. J Health Care Poor Underserved. 2014 Feb; 25(1):396-405. Wang T, Srebotnjak T, Brownell J, Hsia RY. PMID: 24509034.
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    100. Association of emergency department and hospital characteristics with elopements and length of stay. J Emerg Med. 2014 Jun; 46(6):839-46. Handel DA, Fu R, Vu E, Augustine JJ, Hsia RY, Shufflebarger CM, Sun B. PMID: 24462026.
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    101. Analysis of variation in charges and prices paid for vaginal and caesarean section births: a cross-sectional study. BMJ Open. 2014 Jan 15; 4(1):e004017. Hsia RY, Akosa Antwi Y, Weber E. PMID: 24435892.
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    102. Trends in emergency department visits for ambulatory care sensitive conditions by elderly nursing home residents, 2001 to 2010. JAMA Intern Med. 2014 Jan; 174(1):156-8. Brownell J, Wang J, Smith A, Stephens C, Hsia RY. PMID: 24166099.
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    103. Quality measurement in the emergency department: past and future. Health Aff (Millwood). 2013 Dec; 32(12):2129-38. Schuur JD, Hsia RY, Burstin H, Schull MJ, Pines JM. PMID: 24301396.
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    104. Emergency care: then, now, and next. Health Aff (Millwood). 2013 Dec; 32(12):2069-74. Kellermann AL, Hsia RY, Yeh C, Morganti KG. PMID: 24301388.
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    105. Is emergency department crowding associated with increased "bounceback" admissions? Med Care. 2013 Nov; 51(11):1008-14. Hsia RY, Asch SM, Weiss RE, Zingmond D, Gabayan G, Liang LJ, Han W, McCreath H, Sun BC. PMID: 24036997.
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    106. Gunshot injuries in children served by emergency services. Pediatrics. 2013 Nov; 132(5):862-70. Newgard CD, Kuppermann N, Holmes JF, Haukoos JS, Wetzel B, Hsia RY, Wang NE, Bulger EM, Staudenmayer K, Mann NC, Barton ED, Wintemute G. PMID: 24127481.
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    107. Triage of elderly trauma patients: a population-based perspective. J Am Coll Surg. 2013 Oct; 217(4):569-76. Staudenmayer KL, Hsia RY, Mann NC, Spain DA, Newgard CD. PMID: 24054408.
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    108. High-intensity emergency department visits increased in California, 2002-09. Health Aff (Millwood). 2013 Oct; 32(10):1811-9. Herring AA, Johnson B, Ginde AA, Camargo CA, Feng L, Alter HJ, Hsia R. PMID: 24101073.
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    109. Trends in adult emergency department visits in California by insurance status, 2005-2010. JAMA. 2013 Sep 18; 310(11):1181-3. Hsia RY, Brownell J, Wilson S, Gordon N, Baker LC. PMID: 24045743.
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    110. Patient choice in the selection of hospitals by 9-1-1 emergency medical services providers in trauma systems. Acad Emerg Med. 2013 Sep; 20(9):911-9. Newgard CD, Mann NC, Hsia RY, Bulger EM, Ma OJ, Staudenmayer K, Haukoos JS, Sahni R, Kuppermann N. PMID: 24050797.
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    111. The cost of overtriage: more than one-third of low-risk injured patients were taken to major trauma centers. Health Aff (Millwood). 2013 Sep; 32(9):1591-9. Newgard CD, Staudenmayer K, Hsia RY, Mann NC, Bulger EM, Holmes JF, Fleischman R, Gorman K, Haukoos J, McConnell KJ. PMID: 24019364.
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    112. Delays in service for non-emergent patients due to arrival of emergent patients in the emergency department: a case study in Hong Kong. J Emerg Med. 2013 Aug; 45(2):271-80. Xu M, Wong TC, Wong SY, Chin KS, Tsui KL, Hsia RY. PMID: 23759699.
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    113. The trade-offs in field trauma triage: a multiregion assessment of accuracy metrics and volume shifts associated with different triage strategies. J Trauma Acute Care Surg. 2013 May; 74(5):1298-306; discussion 1306. Newgard CD, Hsia RY, Mann NC, Schmidt T, Sahni R, Bulger EM, Wang NE, Holmes JF, Fleischman R, Zive D, Staudenmayer K, Haukoos JS, Kuppermann N. PMID: 23609282.
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    114. Trauma deserts: distance from a trauma center, transport times, and mortality from gunshot wounds in Chicago. Am J Public Health. 2013 Jun; 103(6):1103-9. Crandall M, Sharp D, Unger E, Straus D, Brasel K, Hsia R, Esposito T. PMID: 23597339.
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    115. Variation in prehospital use and uptake of the national Field Triage Decision Scheme. Prehosp Emerg Care. 2013 Apr-Jun; 17(2):135-48. Barnett AS, Wang NE, Sahni R, Hsia RY, Haukoos JS, Barton ED, Holmes JF, Newgard CD. PMID: 23452003.
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    116. Comparison of presenting complaint vs discharge diagnosis for identifying " nonemergency" emergency department visits. JAMA. 2013 Mar 20; 309(11):1145-53. Raven MC, Lowe RA, Maselli J, Hsia RY. PMID: 23512061.
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    117. Factors associated with short-term bounce-back admissions after emergency department discharge. Ann Emerg Med. 2013 Aug; 62(2):136-144.e1. Gabayan GZ, Asch SM, Hsia RY, Zingmond D, Liang LJ, Han W, McCreath H, Weiss RE, Sun BC. PMID: 23465554.
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    118. "How much will I get charged for this?" Patient charges for top ten diagnoses in the emergency department. PLoS One. 2013; 8(2):e55491. Caldwell N, Srebotnjak T, Wang T, Hsia R. PMID: 23460786.
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    119. Effect of emergency department crowding on outcomes of admitted patients. Ann Emerg Med. 2013 Jun; 61(6):605-611.e6. Sun BC, Hsia RY, Weiss RE, Zingmond D, Liang LJ, Han W, McCreath H, Asch SM. PMID: 23218508.
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    120. Is emergency department closure resulting in increased distance to the nearest emergency department associated with increased inpatient mortality? Ann Emerg Med. 2012 Dec; 60(6):707-715.e4. Hsia RY, Kanzaria HK, Srebotnjak T, Maselli J, McCulloch C, Auerbach AD. PMID: 23026784.
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    121. Variability of ICU use in adult patients with minor traumatic intracranial hemorrhage. Ann Emerg Med. 2013 May; 61(5):509-517.e4. Nishijima DK, Haukoos JS, Newgard CD, Staudenmayer K, White N, Slattery D, Maxim PC, Gee CA, Hsia RY, Melnikow JA, Holmes JF. PMID: 23021347.
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    122. Helicopter vs ground transportation for patients with trauma. JAMA. 2012 Aug 08; 308(6):563; author reply 565. Delgado MK, Newgard CD, Hsia RY. PMID: 22871857.
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    123. California hospitals serving large minority populations were more likely than others to employ ambulance diversion. Health Aff (Millwood). 2012 Aug; 31(8):1767-76. Hsia RY, Asch SM, Weiss RE, Zingmond D, Liang LJ, Han W, McCreath H, Sun BC. PMID: 22869655.
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    124. Health care as a “market good”? Appendicitis as a case study. Arch Intern Med. 2012 May 28; 172(10):818-9. Hsia RY, Kothari AH, Srebotnjak T, Maselli J. PMID: 22529183.
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    125. Evaluating age in the field triage of injured persons. Ann Emerg Med. 2012 Sep; 60(3):335-45. Nakamura Y, Daya M, Bulger EM, Schreiber M, Mackersie R, Hsia RY, Mann NC, Holmes JF, Staudenmayer K, Sturges Z, Liao M, Haukoos J, Kuppermann N, Barton ED, Newgard CD. PMID: 22633339.
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    126. Deciphering the use and predictive value of "emergency medical services provider judgment" in out-of-hospital trauma triage: a multisite, mixed methods assessment. J Trauma Acute Care Surg. 2012 May; 72(5):1239-48. Newgard CD, Kampp M, Nelson M, Holmes JF, Zive D, Rea T, Bulger EM, Liao M, Sherck J, Hsia RY, Wang NE, Fleischman RJ, Barton ED, Daya M, Heineman J, Kuppermann N. PMID: 22673250.
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    127. Evaluating the use of existing data sources, probabilistic linkage, and multiple imputation to build population-based injury databases across phases of trauma care. Acad Emerg Med. 2012 Apr; 19(4):469-80. Newgard C, Malveau S, Staudenmayer K, Wang NE, Hsia RY, Mann NC, Holmes JF, Kuppermann N, Haukoos JS, Bulger EM, Dai M, Cook LJ. PMID: 22506952.
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    128. The forgotten trauma patient: outcomes for injured patients evaluated by emergency medical services but not transported to the hospital. J Trauma Acute Care Surg. 2012 Mar; 72(3):594-9; discussion 599-600. Staudenmayer K, Hsia R, Wang E, Sporer K, Ghilarducci D, Spain D, Mackersie R, Sherck J, Kline R, Newgard C. PMID: 22491541.
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    129. Association of emergency department length of stay with safety-net status. JAMA. 2012 Feb 01; 307(5):476-82. Fee C, Burstin H, Maselli JH, Hsia RY. PMID: 22298679.
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    130. A multisite assessment of the American College of Surgeons Committee on Trauma field triage decision scheme for identifying seriously injured children and adults. J Am Coll Surg. 2011 Dec; 213(6):709-21. Newgard CD, Zive D, Holmes JF, Bulger EM, Staudenmayer K, Liao M, Rea T, Hsia RY, Wang NE, Fleischman R, Jui J, Mann NC, Haukoos JS, Sporer KA, Gubler KD, Hedges JR. PMID: 22107917.
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    131. System-level health disparities in California emergency departments: minorities and Medicaid patients are at higher risk of losing their emergency departments. Ann Emerg Med. 2012 May; 59(5):358-65. Hsia RY, Srebotnjak T, Kanzaria HK, McCulloch C, Auerbach AD. PMID: 22093435.
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    132. Rising closures of hospital trauma centers disproportionately burden vulnerable populations. Health Aff (Millwood). 2011 Oct; 30(10):1912-20. Hsia RY, Shen YC. PMID: 21976335.
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    133. Does decreased access to emergency departments affect patient outcomes? Analysis of acute myocardial infarction population 1996-2005. Health Serv Res. 2012 Feb; 47(1 Pt 1):188-210. Shen YC, Hsia RY. PMID: 22091922.
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    134. Radiological imaging of patients with suspected urinary tract stones: national trends, diagnoses, and predictors. Acad Emerg Med. 2011 Jul; 18(7):699-707. Westphalen AC, Hsia RY, Maselli JH, Wang R, Gonzales R. PMID: 21762233.
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    135. Association between ambulance diversion and survival among patients with acute myocardial infarction. JAMA. 2011 Jun 15; 305(23):2440-7. Shen YC, Hsia RY. PMID: 21666277.
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    136. Factors associated with closures of emergency departments in the United States. JAMA. 2011 May 18; 305(19):1978-85. Hsia RY, Kellermann AL, Shen YC. PMID: 21586713.
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    137. Measuring emergency care systems: the path forward. Ann Emerg Med. 2011 Sep; 58(3):267-9. Hsia RY, Carr BG. PMID: 21507525.
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    138. Access to emergency and surgical care in sub-Saharan Africa: the infrastructure gap. Health Policy Plan. 2012 May; 27(3):234-44. Hsia RY, Mbembati NA, Macfarlane S, Kruk ME. PMID: 21441566.
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    139. Disparities in injury mortality between Uganda and the United States: comparative analysis of a neglected disease. World J Surg. 2011 Mar; 35(3):505-11. Jayaraman S, Ozgediz D, Miyamoto J, Caldwell N, Lipnick MS, Mijumbi C, Mabweijano J, Hsia R, Dicker R. PMID: 21181159.
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    140. Provisional surgical training programs for increasing surgical capacity in rural areas in Niger: reply to letter. World J Surg. 2011 Mar; 35(3):693. Sani R, Nameoua B, Yahaya A, Hassane I, Adamou R, Hsia RY, Joekman P, Sako A, Habibou A. PMID: 20635085.
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    141. Hospital determinants of emergency department left without being seen rates. Ann Emerg Med. 2011 Jul; 58(1):24-32.e3. Hsia RY, Asch SM, Weiss RE, Zingmond D, Liang LJ, Han W, McCreath H, Sun BC. PMID: 21334761.
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    142. Invited commentary--Emergency department neuroimaging: are we using our heads?: Comment on "Use of neuroimaging in US emergency departments". Arch Intern Med. 2011 Feb 14; 171(3):262-4. Tabas JA, Hsia RY. PMID: 21325119.
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    143. Epidemiology of child injuries in Uganda: challenges for health policy. J Public Health Afr. 2011 Mar 01; 2(1):e15. Hsia RY, Ozgediz D, Jayaraman S, Kyamanywa P, Mutto M, Kobusingye OC. PMID: 28299056.
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    145. Factors associated with trauma center use for elderly patients with trauma: a statewide analysis, 1999-2008. Arch Surg. 2011 May; 146(5):585-92. Hsia RY, Wang E, Saynina O, Wise P, Pérez-Stable EJ, Auerbach A. PMID: 21242421.
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    146. Possible geographical barriers to trauma center access for vulnerable patients in the United States: an analysis of urban and rural communities. Arch Surg. 2011 Jan; 146(1):46-52. Hsia R, Shen YC. PMID: 21242445.
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    147. Research priorities for administrative challenges of integrated networks of care. Acad Emerg Med. 2010 Dec; 17(12):1330-6. Pilgrim R, Hilton JA, Carrier E, Pines JM, Hufstetler G, Thorby S, Milling TJ, Cesta B, Hsia RY. PMID: 21122015.
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    148. Penetrating cardiac injury from a wooden knitting needle. J Emerg Med. 2012 Jul; 43(1):116-9. Hsia RY, Mahadevan SV, Brundage SI. PMID: 20832964.
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    149. Trends and characteristics of US emergency department visits, 1997-2007. JAMA. 2010 Aug 11; 304(6):664-70. Tang N, Stein J, Hsia RY, Maselli JH, Gonzales R. PMID: 20699458.
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    150. Epidemiology of injuries presenting to the national hospital in Kampala, Uganda: implications for research and policy. Int J Emerg Med. 2010 Jul 20; 3(3):165-72. Hsia RY, Ozgediz D, Mutto M, Jayaraman S, Kyamanywa P, Kobusingye OC. PMID: 21031040.
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    152. Essential surgery: Integral to the right to health. Health Hum Rights. 2010 Jun 15; 12(1):137-52. McQueen KA, Ozgediz D, Riviello R, Hsia RY, Jayaraman S, Sullivan SR, Meara JG. PMID: 20930260.
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    153. Do California counties with lower socioeconomic levels have less access to emergency department care? Acad Emerg Med. 2010 May; 17(5):508-13. Ravikumar D, Hsia R. PMID: 20536805.
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    154. Human resource and funding constraints for essential surgery in district hospitals in Africa: a retrospective cross-sectional survey. PLoS Med. 2010 Mar 09; 7(3):e1000242. Kruk ME, Wladis A, Mbembati N, Ndao-Brumblay SK, Hsia RY, Galukande M, Luboga S, Matovu A, de Miranda H, Ozgediz D, Quiñones AR, Rockers PC, von Schreeb J, Vaz F, Debas HT, Macfarlane SB. PMID: 20231869.
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    155. Key concepts for estimating the burden of surgical conditions and the unmet need for surgical care. World J Surg. 2010 Mar; 34(3):374-80. Bickler S, Ozgediz D, Gosselin R, Weiser T, Spiegel D, Hsia R, Dunbar P, McQueen K, Jamison D. PMID: 19862570.
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    156. Role of collaborative academic partnerships in surgical training, education, and provision. World J Surg. 2010 Mar; 34(3):459-65. Riviello R, Ozgediz D, Hsia RY, Azzie G, Newton M, Tarpley J. PMID: 20049438.
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    157. Placing emergency care on the global agenda. Ann Emerg Med. 2010 Aug; 56(2):142-9. Hsia R, Razzak J, Tsai AC, Hirshon JM. PMID: 20138398.
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    158. Disparities in trauma center access despite increasing utilization: data from California, 1999 to 2006. J Trauma. 2010 Jan; 68(1):217-24. Hsia RY, Wang E, Torres H, Saynina O, Wise PH. PMID: 19901854.
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    159. Increasing access to surgical services in sub-saharan Africa: priorities for national and international agencies recommended by the Bellagio Essential Surgery Group. PLoS Med. 2009 Dec; 6(12):e1000200. Luboga S, Macfarlane SB, von Schreeb J, Kruk ME, Cherian MN, Bergström S, Bossyns PB, Denerville E, Dovlo D, Galukande M, Hsia RY, Jayaraman SP, Lubbock LA, Mock C, Ozgediz D, Sekimpi P, Wladis A, Zakariah A, Dade NB, Donkor P, Gatumbu JK, Hoekman P, Ijsselmuiden CB, Jamison DT, Jessani N, Jiskoot P, Kakande I, Mabweijano JR, Mbembati N, McCord C, Mijumbi C, de Miranda H, Mkony CA, Mocumbi P, Ndihokubwayo JB, Ngueumachi P, Ogbaselassie G, Okitombahe EL, Toure CT, Vaz F, Zikusooka CM, Debas HT. PMID: 20027218.
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    160. Current patterns of prehospital trauma care in Kampala, Uganda and the feasibility of a lay-first-responder training program. World J Surg. 2009 Dec; 33(12):2512-21. Jayaraman S, Mabweijano JR, Lipnick MS, Caldwell N, Miyamoto J, Wangoda R, Mijumbi C, Hsia R, Dicker R, Ozgediz D. PMID: 19669228.
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    161. Altered mental status from acyclovir. J Emerg Med. 2011 Jul; 41(1):55-8. Martinez-Diaz GJ, Hsia R. PMID: 19926428.
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    162. Emergency care: the increasing weight of increasing waits. Arch Intern Med. 2009 Nov 09; 169(20):1836-8. Hsia RY, Tabas JA. PMID: 19901134.
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    163. The impact of launching surgery at the district level in Niger. World J Surg. 2009 Oct; 33(10):2063-8. Sani R, Nameoua B, Yahaya A, Hassane I, Adamou R, Hsia RY, Hoekman P, Sako A, Habibou A. PMID: 19653031.
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    164. First things first: effectiveness and scalability of a basic prehospital trauma care program for lay first-responders in Kampala, Uganda. PLoS One. 2009 Sep 11; 4(9):e6955. Jayaraman S, Mabweijano JR, Lipnick MS, Caldwell N, Miyamoto J, Wangoda R, Mijumbi C, Hsia R, Dicker R, Ozgediz D. PMID: 19759831.
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    165. Understanding the risk factors of trauma center closures: do financial pressure and community characteristics matter? Med Care. 2009 Sep; 47(9):968-78. Shen YC, Hsia RY, Kuzma K. PMID: 19704354.
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    166. Population health metrics for surgery: effective coverage of surgical services in low-income and middle-income countries. World J Surg. 2009 Jan; 33(1):1-5. Ozgediz D, Hsia R, Weiser T, Gosselin R, Spiegel D, Bickler S, Dunbar P, McQueen K. PMID: 18958518.
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    167. Atrial fibrillation from thyroid storm. J Emerg Med. 2012 Jan; 42(1):e7-9. Martinez-Diaz GJ, Formaker C, Hsia R. PMID: 19097726.
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    168. Fever, abdominal pain, and leukopenia in a 13-year-old: a case-based review of meningococcemia. J Emerg Med. 2009 Jul; 37(1):21-8. Hsia RY, Wang E, Thanassi WT. PMID: 18657927.
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    169. Pott's Puffy tumor after minor head trauma. Am J Emerg Med. 2008 Jul; 26(6):739.e1-3. Martinez-Diaz GJ, Hsia R. PMID: 18606352.
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    170. A framework for the economic analysis of child and adolescent mental disorders. Int Rev Psychiatry. 2008 Jun; 20(3):251-9. Hsia RY, Belfer ML. PMID: 18569177.
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    171. Trends in charges and payments for nonhospitalized emergency department pediatric visits, 1996-2003. Acad Emerg Med. 2008 Apr; 15(4):347-54. Hsia RY, MacIsaac D, Palm E, Baker LC. PMID: 18370988.
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    172. Decreasing reimbursements for outpatient emergency department visits across payer groups from 1996 to 2004. Ann Emerg Med. 2008 Mar; 51(3):265-74, 274.e1-5. Hsia RY, MacIsaac D, Baker LC. PMID: 17997503.
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    173. Images in emergency medicine. Cecal volvulus. Ann Emerg Med. 2007 Mar; 49(3):272, 281. Hsia R, Chiao A, Law Courter J. PMID: 17323471.
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    174. Do mandates requiring insurers to pay for emergency care influence the use of the emergency department? Health Aff (Millwood). 2006 Jul-Aug; 25(4):1086-94. Hsia RY, Chan J, Baker LC. PMID: 16835190.
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    175. Student leadership in public health advocacy: lessons learned from the hepatitis B initiative. Am J Public Health. 2003 Aug; 93(8):1250-2. Hsu LD, DeJong W, Hsia R, Chang M, Ryou M, Yeh E. PMID: 12893606.
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