Alekos Theologis, MD

Title(s)Assistant Professor, Orthopaedic Surgery
SchoolSchool of Medicine
Address500 Parnassus Avenue
San Francisco CA 94117
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    Collapse Biography 
    Collapse Education and Training
    Stanford University, Stanford, CA BS2007Biological Sciences, Chemistry
    University of California San Francisco, San FranciscoM.D.2011
    University of California San Francisco, San FranciscoResidency2017Orthopaedic Surgery
    Washington University, St. LouisFellowship2018Spine
    Collapse Awards and Honors
    California Orthopaedic Association's J. Harold LaBriola, M.D. Resident Award
    Northern California Orthopaedic Society's Resident Research Award
    2014 Most Outstanding Paper Award from The Spine Journal
    UCSF Clinical & Translational Science Institute's Outstanding Resident Research Award

    Collapse Overview 
    Collapse Overview
    As a member of the UCSF Spine Center, Dr. Alekos Theologis, MD, is a American Board of Orthopaedic Surgery (ABOS) certified orthopaedic surgeon who specializes in the treatment of a wide-range of complex primary and revision spinal disorders for both children and adults, which include cervical myelopathy, cervicothoracic kyphosis, adult scoliosis, lumbar stenosis, spondylolisthesis, failed back syndrome, and tumors. Providing passionate and comprehensive patient care, Dr. Theologis actively engages in the development of new technologies, clinical and biomechanical research, and the latest advancements in perioperative pain management and surgical reconstruction.

    Dr. Theologis’ research interests include: perioperative management and risk assessment, revision surgery and the management of complications after spine surgery, health policy, global health, and educating the next generation of medical students and residents.

    Dr. Theologis graduated with a B.S. in Biological Sciences and Chemistry from Stanford University. He attended medical school at the University of California - San Francisco, where he also completed his residency in the Department of Orthopaedic Surgery, serving as chief resident in his final year.

    During this time, Dr. Theologis received local and national awards for research including: the J. Harold LaBriola, M.D. Resident Award for the most outstanding resident paper in orthopaedic research; the Northern California Orthopaedic Society Resident Research Award for best clinical paper; the 2014 Most Outstanding Paper in The Spine Journal; and the UCSF CTSI Outstanding Resident Research Award. Dr. Theologis also completed a Health Volunteers Overseas Orthopaedics Traveling Fellowship in Ghana during which he trained surgeons and operated on patients with severe spinal deformities.

    Following his residency at UCSF, Dr. Theologis completed one of the most prestigious adult and pediatric clinical fellowships in spine surgery at Washington University in St. Louis during which he trained broadly and comprehensively under the tutelage of neurosurgeons and orthopaedic surgeons.

    Dr. Theologis’ clinics will be at four locations: the UCSF Spine Center on the Parnassus Campus, the UCSF Orthopedic Institute and the Helen Diller Family Comprehensive Cancer Center, both state-of- the-art facilities located at the UCSF Mission Bay campus in San Francisco, and the UCSF Berkeley Outpatient Clinic in Berkeley.

    For more information or to make an appointment: 415-353-2739.
    Collapse Websites

    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.
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    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. Rates and risk factors associated with 30- and 90-day readmissions and reoperations after spinal fusions for adult lumbar degenerative pathology and spinal deformity. Spine Deform. 2021 Nov 30. Taliaferro K, Rao A, Theologis AA, Cummins D, Callahan M, Berven SH. PMID: 34846718.
      View in: PubMed   Mentions:
    2. RAPT score and preoperative factors to predict discharge location following adult spinal deformity surgery. Spine Deform. 2021 Nov 13. Cummins D, Georgiou S, Burch S, Tay B, Berven SH, Ames CP, Deviren V, Clark AJ, Theologis AA. PMID: 34773631.
      View in: PubMed   Mentions:
    3. Lower Neurological Risk with Anterior Operations Compared to Posterior Operations for Thoracic Disc Herniations: Analysis of 697 Patients. Spine (Phila Pa 1976). 2021 Aug 11. Cummins D, Callahan M, Clark AJ, Theologis AA. PMID: 34381003.
      View in: PubMed   Mentions:    Fields:    
    4. Spine Surgeons Social Dilemma: Benefits and Risks of Social Media for Spine Surgery Practice in the 21st Century. Global Spine J. 2021 Aug 03; 21925682211035716. Samtani RG, Webb A, Burleson J, Berven S, Theologis A, Abotsi E, Burch S, Deviren V, Haddas R. PMID: 34342239.
      View in: PubMed   Mentions:
    5. Ureteral injury following anterior thoracolumbar spinal instrumented fusion for adolescent idiopathic scoliosis: a case report with CT angiography analysis of surgically relevant anatomy. Spine Deform. 2021 Nov; 9(6):1691-1698. Hung NJ, Theologis AA, Courtier JL, Harmon D, Diab M. PMID: 34075563.
      View in: PubMed   Mentions:    Fields:    
    6. The role of the fractional lumbosacral curve in persistent coronal malalignment following adult thoracolumbar deformity surgery: a radiographic analysis. Spine Deform. 2021 May; 9(3):721-731. Theologis AA, Lertudomphonwanit T, Lenke LG, Bridwell KH, Gupta MC. PMID: 33651338.
      View in: PubMed   Mentions:    Fields:    
    7. Reoperation and Mortality Rates Following Elective 1 to 2 Level Lumbar Fusion: A Large State Database Analysis. Global Spine J. 2021 Jan 21; 2192568220986148. Cummins D, Hindoyan K, Wu HH, Theologis AA, Callahan M, Tay B, Berven S. PMID: 33472423.
      View in: PubMed   Mentions:
    8. Costs and utility of post-discharge acute inpatient rehabilitation following adult spinal deformity surgery. Spine Deform. 2021 May; 9(3):817-822. Theologis AA, Lau D, Dalle-Ore C, Tsu A, Deviren V, Ames CP. PMID: 33400227.
      View in: PubMed   Mentions:    Fields:    
    9. Thoracolumbar Junction Orientation: A Novel Guide for Sagittal Correction and Proximal Junctional Kyphosis Prediction in Adult Spinal Deformity Patients. Neurosurgery. 2020 12 15; 88(1):55-62. Moon HJ, Bridwell KH, Theologis AA, Kelly MP, Lertudomphonwanit T, Lenke LG, Gupta MC. PMID: 32761200.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    10. The "Rail Technique" for Correction of Cervicothoracic Kyphosis: Case Report and Surgical Technique Description. Neurospine. 2020 Sep; 17(3):652-658. Theologis AA, Gupta MC. PMID: 33022170; PMCID: PMC7538351.
      View in: PubMed   Mentions:
    11. Relationship of the character of rod fractures on outcomes following long thoracolumbar fusion to the sacrum for adult spinal deformity. Spine J. 2020 09; 20(9):1452-1463. Lertudomphonwanit T, Bridwell KH, Kelly MP, Punyarat P, Theologis A, Sides BA, Gupta MC. PMID: 32502653.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Intervertebral disc herniation effects on multifidus muscle composition and resident stem cell populations. JOR Spine. 2020 Jun; 3(2):e1091. Agha O, Mueller-Immergluck A, Liu M, Zhang H, Theologis AA, Clark A, Kim HT, Liu X, Feeley BT, Bailey JF. PMID: 32613166; PMCID: PMC7323461.
      View in: PubMed   Mentions: 1  
    13. Readmission in elective spine surgery: Will short stays be beneficial to patients. J Clin Neurosci. 2020 Aug; 78:170-174. Brown AE, Saleh H, Naessig S, Pierce KE, Ahmad W, Bortz CA, Alas H, Chern I, Vasquez-Montes D, Ihejirika RC, Segreto FA, Haskel J, Kaplan DJ, Diebo BG, Gerling MC, Paulino CB, Theologis A, Lafage V, Janjua MB, Passias PG. PMID: 32360160.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. Improvements in Neck Pain and Disability Following C1-C2 Posterior Cervical Instrumentation and Fusion for Atlanto-Axial Osteoarthritis. World Neurosurg. 2020 07; 139:e496-e500. Adogwa O, Buchowski JM, Sielatycki JA, Shlykov MA, Theologis AA, Lin J, CreveCoeur T, Peters C, Riew KD. PMID: 32311554.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    15. Normative Data of Pulmonary Function Tests and Radiographic Measures of Chest Development in Children Without Spinal Deformity: Is a T1-T12 Height of 22 cm Adequate? Spine Deform. 2019 11; 7(6):857-864. Theologis AA, Smith J, Kerstein M, Gregory JR, Luhmann SJ. PMID: 31731994.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    16. Thoracolumbar junction orientation: its impact on thoracic kyphosis and sagittal alignment in both asymptomatic volunteers and symptomatic patients. Eur Spine J. 2019 Sep; 28(9):1937-1947. Moon HJ, Bridwell KH, Theologis AA, Kelly MP, Lertudomphonwanit T, Kim HJ, Lenke LG, Gupta MC. PMID: 31342155.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. Cervical and Cervicothoracic Sagittal Alignment According to Roussouly Thoracolumbar Subtypes. Spine (Phila Pa 1976). 2019 Jun 01; 44(11):E634-E639. Theologis AA, Iyer S, Lenke LG, Sides BA, Kim HJ, Kelly MP. PMID: 30475347.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    18. Cellular biology of fracture healing. J Orthop Res. 2019 01; 37(1):35-50. Bahney CS, Zondervan RL, Allison P, Theologis A, Ashley JW, Ahn J, Miclau T, Marcucio RS, Hankenson KD. PMID: 30370699; PMCID: PMC6542569.
      View in: PubMed   Mentions: 52     Fields:    Translation:HumansAnimalsCells
    19. Placement of iliosacral screws using 3D image-guided (O-Arm) technology and Stealth Navigation: comparison with traditional fluoroscopy. Bone Joint J. 2016 May; 98-B(5):696-702. Theologis AA, Burch S, Pekmezci M. PMID: 27143744.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    20. When do anterior external or internal fixators provide additional stability in an unstable (Tile C) pelvic fracture? A biomechanical study. Eur J Trauma Emerg Surg. 2015 Dec; 41(6):665-71. Mcdonald E, Theologis AA, Horst P, Kandemir U, Pekmezci M. PMID: 26038006.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    21. Luteinizing hormone-dependent activation of the epidermal growth factor network is essential for ovulation. Mol Cell Biol. 2007 Mar; 27(5):1914-24. Hsieh M, Lee D, Panigone S, Horner K, Chen R, Theologis A, Lee DC, Threadgill DW, Conti M. PMID: 17194751; PMCID: PMC1820474.
      View in: PubMed   Mentions: 118     Fields:    Translation:AnimalsCells
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