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    Xiao Hu, PhD

    TitleAssociate Professor
    SchoolUCSF School of Nursing
    DepartmentPhysiological Nursing
    Address2 Koret Way
    San Francisco CA 94143
    Phone415-476-4412
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      Collapse Biography 
      Collapse Awards and Honors
      UCLA2008 - 2010Clinical and Translational Science Institute Scholar
      Innocentive 2013 - 2013Winner of NASA-Innocentive Challenge on Noninvasive Intracranial Pressure

      Collapse Overview 
      Collapse Overview
      My research program’s goal is to innovate intelligent informatics systems to enhance healthcare professionals’ ability in utilizing Big Clinical Data to achieve more precise assessment and anticipation of patient state changes. Our team’s core expertise lies in various physiological signal modeling and processing and developing machine learning models. Our projects are interdisciplinary in nature. We are keen in learning new clinical/physiological problems that can be approached using our core engineering expertise. We are capable of developing and validating prototypes of intelligent systems equipped with our algorithms. Our current projects cover problems derived from neurocritical care and neurosurgical care of patients as well as from general in-hospital patient monitoring.

      Collapse Interests
      Biomedical Informatics, Brain-Computer Interface, Clinical Decision Support, Healthcare Information Technology, Traumatic Brain Injury, Hydrocephalus, Subarachnoid Hemorrhage, Ischemic Stroke, Cardiac Arrest, Code Bule, Cardiac Arrhythmia, Alarm Fatigue, Human Factors, Machine Learning, Signal Processing, Predictive Model, Big Data, Mathematical Modeling, System Identification, Intracranial Pressure, Noninvasive Intracranial Pressure, Cerebral Hemodynamics, Cerebrospinal Fluid Dynamics, EEG, ECG, ECoG, Monitor Alarm, SQL Database, Software, WebApp

      Collapse ORNG Applications 
      Collapse Awarded Grants
      Collapse Global Health

      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.
      List All   |   Timeline
      1. Pelter MM, Fidler R, Hu X. Research: Association of Low-Amplitude QRSs with False-Positive Asystole Alarms. Biomed Instrum Technol. 2016 Sep-Oct; 50(5):329-35. PMID: 27632038.
        View in: PubMed
      2. Pelter MM, Loranger D, Kozik TM, Fidler R, Hu X, Carey MG, et al. Unplanned transfer from the telemetry unit to the intensive care unit in hospitalized patients with suspected acute coronary syndrome. J Electrocardiol. 2016 Aug 26. PMID: 27623400.
        View in: PubMed
      3. Pelter MM, Loranger DL, Kozik TM, Kedia A, Ganchan RP, Ganchan D, Hu X, Carey MG. Among Unstable Angina and Non-ST-Elevation Myocardial Infarction Patients, Transient Myocardial Ischemia and Early Invasive Treatment Are Predictors of Major In-hospital Complications. J Cardiovasc Nurs. 2016 Jul-Aug; 31(4):E10-9. PMID: 26646595.
        View in: PubMed
      4. Bai Y, Do D, Ding Q, Arroyo Palacios J, Shahriari Y, Pelter M, Boyle N, Fidler R, Hu X, et al. Is the Sequence of SuperAlarm Triggers more Predictive than Sequence of the Currently Utilized Patient Monitor Alarms? IEEE Trans Biomed Eng. 2016 Jun 30. PMID: 27390164.
        View in: PubMed
      5. Arroyo-Palacios J, Rudz M, Fidler R, Smith W, Ko N, Park S, Bai Y, Hu X. Characterization of Shape Differences Among ICP Pulses Predicts Outcome of External Ventricular Drainage Weaning Trial. Neurocrit Care. 2016 Apr 22. PMID: 27106888.
        View in: PubMed
      6. Miaskowski C, Cooper BA, Aouizerat B, Melisko M, Chen LM, Dunn L, Hu X, Kober KM, Mastick J, Levine JD, Hammer M, Wright F, Harris J, Armes J, Furlong E, Fox P, Ream E, Maguire R, Kearney N. The symptom phenotype of oncology outpatients remains relatively stable from prior to through 1 week following chemotherapy. Eur J Cancer Care (Engl). 2016 Jan 18. PMID: 26777053.
        View in: PubMed
      7. Hamilton R, Fuller J, Baldwin K, Vespa P, Hu X, Bergsneider M. Relative Position of the Third Characteristic Peak of the Intracranial Pressure Pulse Waveform Morphology Differentiates Normal-Pressure Hydrocephalus Shunt Responders and Nonresponders. Acta Neurochir Suppl. 2016; 122:339-45. PMID: 27165933.
        View in: PubMed
      8. Connolly M, Vespa P, Hu X. Characterization of Cerebral Vascular Response to EEG Bursts Using ICP Pulse Waveform Template Matching. Acta Neurochir Suppl. 2016; 122:291-4. PMID: 27165924.
        View in: PubMed
      9. Connolly M, Liou R, Vespa P, Hu X. Identification of an Intracranial Pressure (ICP) Response Function from Continuously Acquired Electroencephalographic and ICP Signals in Burst-Suppressed Patients. Acta Neurochir Suppl. 2016; 122:225-8. PMID: 27165911.
        View in: PubMed
      10. Bai Y, Sow D, Vespa P, Hu X. Real-Time Processing of Continuous Physiological Signals in a Neurocritical Care Unit on a Stream Data Analytics Platform. Acta Neurochir Suppl. 2016; 122:75-80. PMID: 27165881.
        View in: PubMed
      11. Ding Q, Bai Y, Tinoco A, Mortara D, Do D, Boyle NG, Pelter MM, Hu X. Developing new predictive alarms based on ECG metrics for bradyasystolic cardiac arrest. Physiol Meas. 2015 Dec; 36(12):2405-22. PMID: 26502065.
        View in: PubMed
      12. Ryu J, Hu X, Shadden SC. A Coupled Lumped-Parameter and Distributed Network Model for Cerebral Pulse-Wave Hemodynamics. J Biomech Eng. 2015 Oct; 137(10):101009. PMID: 26287937.
        View in: PubMed
      13. Fidler R, Bond R, Finlay D, Guldenring D, Gallagher A, Pelter M, Drew B, Hu X. Human factors approach to evaluate the user interface of physiologic monitoring. J Electrocardiol. 2015 Nov-Dec; 48(6):982-7. PMID: 26375330.
        View in: PubMed
      14. Connolly M, Vespa P, Pouratian N, Gonzalez NR, Hu X. Characterization of the relationship between intracranial pressure and electroencephalographic monitoring in burst-suppressed patients. Neurocrit Care. 2015 Apr; 22(2):212-20. PMID: 25142827; PMCID: PMC4336620.
      15. Salas-Boni R, Bai Y, Hu X. Cumulative Time Series Representation for Code Blue prediction in the Intensive Care Unit. AMIA Jt Summits Transl Sci Proc. 2015; 2015:162-7. PMID: 26306261; PMCID: PMC4525278.
      16. Kim S, Scalzo F, Telesca D, Hu X. Ensemble of sparse classifiers for high-dimensional biological data. Int J Data Min Bioinform. 2015; 12(2):167-83. PMID: 26510301.
        View in: PubMed
      17. Drew BJ, Harris P, Zègre-Hemsey JK, Mammone T, Schindler D, Salas-Boni R, Bai Y, Tinoco A, Ding Q, Hu X. Insights into the problem of alarm fatigue with physiologic monitor devices: a comprehensive observational study of consecutive intensive care unit patients. PLoS One. 2014; 9(10):e110274. PMID: 25338067; PMCID: PMC4206416.
      18. Bai Y, Do DH, Harris PR, Schindler D, Boyle NG, Drew BJ, Hu X. Integrating monitor alarms with laboratory test results to enhance patient deterioration prediction. J Biomed Inform. 2015 Feb; 53:81-92. PMID: 25240252.
        View in: PubMed
      19. Salas-Boni R, Bai Y, Harris PR, Drew BJ, Hu X. False ventricular tachycardia alarm suppression in the ICU based on the discrete wavelet transform in the ECG signal. J Electrocardiol. 2014 Nov-Dec; 47(6):775-80. PMID: 25172188.
        View in: PubMed
      20. Connolly M, He X, Gonzalez N, Vespa P, DiStefano J, Hu X. Reproduction of consistent pulse-waveform changes using a computational model of the cerebral circulatory system. Med Eng Phys. 2014 Mar; 36(3):354-63. PMID: 24389244; PMCID: PMC4270797.
      21. Hu X, Do D, Bai Y, Boyle NG. A case-control study of non-monitored ECG metrics preceding in-hospital bradyasystolic cardiac arrest: implication for predictive monitor alarms. J Electrocardiol. 2013 Nov-Dec; 46(6):608-15. PMID: 24034301.
        View in: PubMed
      22. Asgari S, Vespa P, Hu X. Is there any association between cerebral vasoconstriction/vasodilatation and microdialysis Lactate to Pyruvate ratio increase? Neurocrit Care. 2013 Aug; 19(1):56-64. PMID: 23733172.
        View in: PubMed
      23. Scalzo F, Alger JR, Hu X, Saver JL, Dani KA, Muir KW, Demchuk AM, Coutts SB, Luby M, Warach S, Liebeskind DS. Multi-center prediction of hemorrhagic transformation in acute ischemic stroke using permeability imaging features. Magn Reson Imaging. 2013 Jul; 31(6):961-9. PMID: 23587928; PMCID: PMC3676704.
      24. Scalzo F, Hu X. Semi-supervised detection of intracranial pressure alarms using waveform dynamics. Physiol Meas. 2013 Apr; 34(4):465-78. PMID: 23524637.
        View in: PubMed
      25. Xu P, Hu X, Yao D. Improved wavelet entropy calculation with window functions and its preliminary application to study intracranial pressure. Comput Biol Med. 2013 Jun; 43(5):425-33. PMID: 23566389.
        View in: PubMed
      26. Tsiokos C, Hu X, Pouratian N. 200-300Hz movement modulated oscillations in the internal globus pallidus of patients with Parkinson's Disease. Neurobiol Dis. 2013 Jun; 54:464-74. PMID: 23388190; PMCID: PMC3629001.
      27. Gonzalez NR, Hamilton R, Bilgin-Freiert A, Dusick J, Vespa P, Hu X, Asgari S. Cerebral hemodynamic and metabolic effects of remote ischemic preconditioning in patients with subarachnoid hemorrhage. Acta Neurochir Suppl. 2013; 115:193-8. PMID: 22890668.
        View in: PubMed
      28. Asgari S, Gonzalez N, Subudhi AW, Hamilton R, Vespa P, Bergsneider M, Roach RC, Hu X. Continuous detection of cerebral vasodilatation and vasoconstriction using intracranial pulse morphological template matching. PLoS One. 2012; 7(11):e50795. PMID: 23226385; PMCID: PMC3511284.
      29. Kim S, Hamilton R, Pineles S, Bergsneider M, Hu X. Noninvasive intracranial hypertension detection utilizing semisupervised learning. IEEE Trans Biomed Eng. 2013 Apr; 60(4):1126-33. PMID: 23193303; PMCID: PMC3609870.
      30. Hu X, Gonzalez N, Bergsneider M. Steady-state indicators of the intracranial pressure dynamic system using geodesic distance of the ICP pulse waveform. Physiol Meas. 2012 Dec; 33(12):2017-31. PMID: 23151442; PMCID: PMC3547535.
      31. Hamilton R, Baldwin K, Fuller J, Vespa P, Hu X, Bergsneider M. Intracranial pressure pulse waveform correlates with aqueductal cerebrospinal fluid stroke volume. J Appl Physiol (1985). 2012 Nov; 113(10):1560-6. PMID: 22995390; PMCID: PMC3524656.
      32. Lu J, Speier W, Hu X, Pouratian N. The effects of stimulus timing features on P300 speller performance. Clin Neurophysiol. 2013 Feb; 124(2):306-14. PMID: 22939456; PMCID: PMC3595069.
      33. Scalzo F, Liebeskind D, Hu X. Reducing false intracranial pressure alarms using morphological waveform features. IEEE Trans Biomed Eng. 2013 Jan; 60(1):235-9. PMID: 22851230; PMCID: PMC3547536.
      34. Scalzo F, Hao Q, Alger JR, Hu X, Liebeskind DS. Regional prediction of tissue fate in acute ischemic stroke. Ann Biomed Eng. 2012 Oct; 40(10):2177-87. PMID: 22592291; PMCID: PMC3647682.
      35. Hu X, Sapo M, Nenov V, Barry T, Kim S, Do DH, Boyle N, Martin N. Predictive combinations of monitor alarms preceding in-hospital code blue events. J Biomed Inform. 2012 Oct; 45(5):913-21. PMID: 22465785.
        View in: PubMed
      36. Scalzo F, Hamilton R, Asgari S, Kim S, Hu X. Intracranial hypertension prediction using extremely randomized decision trees. Med Eng Phys. 2012 Oct; 34(8):1058-65. PMID: 22401795; PMCID: PMC3399093.
      37. Scalzo F, Bergsneider M, Vespa PM, Martin NA, Hu X. Intracranial pressure signal morphology: real-time tracking. IEEE Pulse. 2012 Mar; 3(2):49-52. PMID: 22481746.
        View in: PubMed
      38. Hu X, Hamilton R, Baldwin K, Vespa PM, Bergsneider M. Automated extraction of decision rules for predicting lumbar drain outcome by analyzing overnight intracranial pressure. Acta Neurochir Suppl. 2012; 114:207-12. PMID: 22327694.
        View in: PubMed
      39. Hamilton R, Dye J, Frew A, Baldwin K, Hu X, Bergsneider M. Quantification of pulsatile cerebrospinal fluid flow within the prepontine cistern. Acta Neurochir Suppl. 2012; 114:191-5. PMID: 22327691.
        View in: PubMed
      40. Kasprowicz M, Bergsneider M, Czosnyka M, Hu X. Association between ICP pulse waveform morphology and ICP B waves. Acta Neurochir Suppl. 2012; 114:29-34. PMID: 22327660.
        View in: PubMed
      41. Asgari S, Vespa PM, Bergsneider M, Hu X. Latency relationships between cerebral blood flow velocity and intracranial pressure. Acta Neurochir Suppl. 2012; 114:5-9. PMID: 22327656.
        View in: PubMed
      42. Glenn TC, Sherma AK, McArthur DL, Hu X, Hanuscin CR, Furreedan MS, Hovda DA, Vespa PM, Martin NA. The linear relationship between transcranial Doppler pulsatility indices and intracranial pressure is influenced by traumatic brain injury and vasospasm. Acta Neurochir Suppl. 2012; 114:11-5. PMID: 22327657.
        View in: PubMed
      43. Hamilton RB, Baldwin K, Vespa P, Bergsneider M, Hu X. Subpeak regional analysis of intracranial pressure waveform morphology based on cerebrospinal fluid hydrodynamics in the cerebral aqueduct and prepontine cistern. Conf Proc IEEE Eng Med Biol Soc. 2012; 2012:3935-8. PMID: 23366788.
        View in: PubMed
      44. Scalzo F, Asgari S, Kim S, Bergsneider M, Hu X. Bayesian tracking of intracranial pressure signal morphology. Artif Intell Med. 2012 Feb; 54(2):115-23. PMID: 21968205; PMCID: PMC3288115.
      45. Asgari S, Vespa P, Bergsneider M, Hu X. Lack of consistent intracranial pressure pulse morphological changes during episodes of microdialysis lactate/pyruvate ratio increase. Physiol Meas. 2011 Oct; 32(10):1639-51. PMID: 21904021; PMCID: PMC3334323.
      46. Asgari S, Bergsneider M, Hamilton R, Vespa P, Hu X. Consistent changes in intracranial pressure waveform morphology induced by acute hypercapnic cerebral vasodilatation. Neurocrit Care. 2011 Aug; 15(1):55-62. PMID: 21052864; PMCID: PMC3130848.
      47. Yang L, Zhao M, Peng C, Hu X, Feng H, Ji Z. Waveform descriptor for pulse onset detection of intracranial pressure signal. Med Eng Phys. 2012 Mar; 34(2):179-86. PMID: 21807549.
        View in: PubMed
      48. Asgari S, Subudhi AW, Roach RC, Liebeskind DS, Bergsneider M, Hu X. An extended model of intracranial latency facilitates non-invasive detection of cerebrovascular changes. J Neurosci Methods. 2011 Apr 15; 197(1):171-9. PMID: 21310179; PMCID: PMC3072962.
      49. Kim S, Bergsneider M, Hu X. A systematic study of linear dynamic modeling of intracranial pressure dynamics. Physiol Meas. 2011 Mar; 32(3):319-36. PMID: 21285483; PMCID: PMC3096467.
      50. Kim S, Hu X, McArthur D, Hamilton R, Bergsneider M, Glenn T, Martin N, Vespa P. Inter-subject correlation exists between morphological metrics of cerebral blood flow velocity and intracranial pressure pulses. Neurocrit Care. 2011 Apr; 14(2):229-37. PMID: 21136207; PMCID: PMC3071636.
      51. Kim S, Scalzo F, Bergsneider M, Vespa P, Martin N, Hu X. Noninvasive intracranial pressure assessment based on a data-mining approach using a nonlinear mapping function. IEEE Trans Biomed Eng. 2012 Mar; 59(3):619-26. PMID: 21097375; PMCID: PMC3130850.
      52. Scalzo F, Asgari S, Kim S, Bergsneider M, Hu X. Robust peak recognition in intracranial pressure signals. Biomed Eng Online. 2010; 9:61. PMID: 20959014; PMCID: PMC2984490.
      53. Kasprowicz M, Asgari S, Bergsneider M, Czosnyka M, Hamilton R, Hu X. Pattern recognition of overnight intracranial pressure slow waves using morphological features of intracranial pressure pulse. J Neurosci Methods. 2010 Jul 15; 190(2):310-8. PMID: 20566403; PMCID: PMC3096461.
      54. Hu X, Xu P, Asgari S, Vespa P, Bergsneider M. Forecasting ICP elevation based on prescient changes of intracranial pressure waveform morphology. IEEE Trans Biomed Eng. 2010 May; 57(5):1070-8. PMID: 20659820; PMCID: PMC2911990.
      55. Hu X, Glenn T, Scalzo F, Bergsneider M, Sarkiss C, Martin N, Vespa P. Intracranial pressure pulse morphological features improved detection of decreased cerebral blood flow. Physiol Meas. 2010 May; 31(5):679-95. PMID: 20348611; PMCID: PMC2855777.
      56. Hu X, Xu P, Wu S, Asgari S, Bergsneider M. A data mining framework for time series estimation. J Biomed Inform. 2010 Apr; 43(2):190-9. PMID: 19900575; PMCID: PMC2839011.
      57. Asgari S, Bergsneider M, Hu X. A robust approach toward recognizing valid arterial-blood-pressure pulses. IEEE Trans Inf Technol Biomed. 2010 Jan; 14(1):166-72. PMID: 19884099; PMCID: PMC2887660.
      58. Asgari S, Xu P, Bergsneider M, Hu X. A subspace decomposition approach toward recognizing valid pulsatile signals. Physiol Meas. 2009 Nov; 30(11):1211-25. PMID: 19794232; PMCID: PMC2851740.
      59. Xu P, Kasprowicz M, Bergsneider M, Hu X. Improved noninvasive intracranial pressure assessment with nonlinear kernel regression. IEEE Trans Inf Technol Biomed. 2010 Jul; 14(4):971-8. PMID: 19643711; PMCID: PMC2900395.
      60. Sapo M, Wu S, Asgari S, McNair N, Buxey F, Martin N, Hu X. A comparison of vital signs charted by nurses with automated acquired values using waveform quality indices. J Clin Monit Comput. 2009 Oct; 23(5):263-71. PMID: 19629728.
        View in: PubMed
      61. Scalzo F, Xu P, Asgari S, Bergsneider M, Hu X. Regression analysis for peak designation in pulsatile pressure signals. Med Biol Eng Comput. 2009 Sep; 47(9):967-77. PMID: 19578916; PMCID: PMC2734262.
      62. Hu X, Subudhi AW, Xu P, Asgari S, Roach RC, Bergsneider M. Inferring cerebrovascular changes from latencies of systemic and intracranial pulses: a model-based latency subtraction algorithm. J Cereb Blood Flow Metab. 2009 Apr; 29(4):688-97. PMID: 19142194; PMCID: PMC2664398.
      63. Hamilton R, Xu P, Asgari S, Kasprowicz M, Vespa P, Bergsneider M, Hu X. Forecasting intracranial pressure elevation using pulse waveform morphology. Conf Proc IEEE Eng Med Biol Soc. 2009; 2009:4331-4. PMID: 19963821.
        View in: PubMed
      64. Hu X, Xu P, Scalzo F, Vespa P, Bergsneider M. Morphological clustering and analysis of continuous intracranial pressure. IEEE Trans Biomed Eng. 2009 Mar; 56(3):696-705. PMID: 19272879; PMCID: PMC2673331.
      65. Xu P, Tian Y, Lei X, Hu X, Yao D. Equivalent charge source model based iterative maximum neighbor weight for sparse EEG source localization. Ann Biomed Eng. 2008 Dec; 36(12):2051-67. PMID: 18830695.
        View in: PubMed
      66. Xu P, Bergsneider M, Hu X. Pulse onset detection using neighbor pulse-based signal enhancement. Med Eng Phys. 2009 Apr; 31(3):337-45. PMID: 18632299; PMCID: PMC2649996.
      67. Hu X, Xu P, Lee DJ, Vespa P, Baldwin K, Bergsneider M. An algorithm for extracting intracranial pressure latency relative to electrocardiogram R wave. Physiol Meas. 2008 Apr; 29(4):459-71. PMID: 18354246; PMCID: PMC2629794.
      68. Bergsneider M, Miller C, Vespa PM, Hu X. Surgical management of adult hydrocephalus. Neurosurgery. 2008 Feb; 62 Suppl 2:643-59; discussion 659-60. PMID: 18596440.
        View in: PubMed
      69. Hu X, Xu P, Lee DJ, Paul V, Bergsneider M. Morphological changes of intracranial pressure pulses are correlated with acute dilatation of ventricles. Acta Neurochir Suppl. 2008; 102:131-6. PMID: 19388304.
        View in: PubMed
      70. Scalzo F, Xu P, Bergsneider M, Hu X. Nonlinear regression for sub-peak detection of intracranial pressure signals. Conf Proc IEEE Eng Med Biol Soc. 2008; 2008:5411-4. PMID: 19163941.
        View in: PubMed
      71. Xu P, Scalzo F, Bergsneider M, Vespa P, Chad M, Hu X. Wavelet entropy characterization of elevated intracranial pressure. Conf Proc IEEE Eng Med Biol Soc. 2008; 2008:2924-7. PMID: 19163318.
        View in: PubMed
      72. Cattivelli FS, Sayed AH, Hu X, Lee D, Vespa P. Mathematical models of cerebral hemodynamics for detection of vasospasm in major cerebral arteries. Acta Neurochir Suppl. 2008; 102:63-9. PMID: 19388290; PMCID: PMC2673531.
      73. Hu X, Miller C, Vespa P, Bergsneider M. Adaptive computation of approximate entropy and its application in integrative analysis of irregularity of heart rate variability and intracranial pressure signals. Med Eng Phys. 2008 Jun; 30(5):631-9. PMID: 17714974; PMCID: PMC2413186.
      74. Hu X, Nenov V, Vespa P, Bergsneider M. Characterization of interdependency between intracranial pressure and heart variability signals: a causal spectral measure and a generalized synchronization measure. IEEE Trans Biomed Eng. 2007 Aug; 54(8):1407-17. PMID: 17694861; PMCID: PMC2140277.
      75. Hu X, Nenov V, Bergsneider M, Glenn TC, Vespa P, Martin N. Estimation of hidden state variables of the Intracranial system using constrained nonlinear Kalman filters. IEEE Trans Biomed Eng. 2007 Apr; 54(4):597-610. PMID: 17405367.
        View in: PubMed
      76. Vespa PM, Miller C, Hu X, Nenov V, Buxey F, Martin NA. Intensive care unit robotic telepresence facilitates rapid physician response to unstable patients and decreased cost in neurointensive care. Surg Neurol. 2007 Apr; 67(4):331-7. PMID: 17350395.
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      77. Hu X, Nenov V. A single-lead ECG enhancement algorithm using a regularized data-driven filter. IEEE Trans Biomed Eng. 2006 Feb; 53(2):347-51. PMID: 16485766.
        View in: PubMed
      78. Hu X, Nenov V, Glenn TC, Steiner LA, Czosnyka M, Bergsneider M, Martin N. Nonlinear analysis of cerebral hemodynamic and intracranial pressure signals for characterization of autoregulation. IEEE Trans Biomed Eng. 2006 Feb; 53(2):195-209. PMID: 16485748.
        View in: PubMed
      79. Hu X, Nenov V, Bergsneider M. Integrative analysis of intracranial pressure and R-R interval signals: a study of ICP B-wave using causal coherence. Conf Proc IEEE Eng Med Biol Soc. 2006; 1:464-7. PMID: 17945587.
        View in: PubMed
      80. Hu X, Alwan AA, Rubinstein EH, Bergsneider M. Reduction of compartment compliance increases venous flow pulsatility and lowers apparent vascular compliance: implications for cerebral blood flow hemodynamics. Med Eng Phys. 2006 May; 28(4):304-14. PMID: 16112597.
        View in: PubMed
      81. Hu X, Nenov V, Bergsneider M. Phase Coordination between Intracranial Pressure and Electrocardiogram Signals. Conf Proc IEEE Eng Med Biol Soc. 2005; 1:45-8. PMID: 17282107.
        View in: PubMed
      82. Hu X, Nenov V, Vespa P, Bergsneider M. Estimation of hidden state variables of the intracranial system using constrained nonlinear Kalman filters. Conf Proc IEEE Eng Med Biol Soc. 2005; 6:5631-4. PMID: 17281533; PMCID: PMC2148030.
      83. Bergsneider M, Yang I, Hu X, McArthur DL, Cook SW, Boscardin WJ. Relationship between valve opening pressure, body position, and intracranial pressure in normal pressure hydrocephalus: paradigm for selection of programmable valve pressure setting. Neurosurgery. 2004 Oct; 55(4):851-8; discussion 858-9. PMID: 15458593.
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      84. Hu X, Nenov V. Multivariate AR modeling of electromyography for the classification of upper arm movements. Clin Neurophysiol. 2004 Jun; 115(6):1276-87. PMID: 15134694.
        View in: PubMed
      85. Hu X, Nenov V. Robust measure for characterizing generalized synchronization. Phys Rev E Stat Nonlin Soft Matter Phys. 2004 Feb; 69(2 Pt 2):026206. PMID: 14995547.
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