Li Zhou

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. ncbi request reprint Temporal reasoning with medical data--a review with emphasis on medical natural language processing
    Li Zhou
    Department of Biomedical Informatics, Columbia University, New York, NY 10032, USA
    J Biomed Inform 40:183-202. 2007
  2. pmc Modeling electronic discharge summaries as a simple temporal constraint satisfaction problem
    George Hripcsak
    Department of Biomedical Informatics, Columbia University, 622 West 168th Street, VC5, New York, NY 10032, USA
    J Am Med Inform Assoc 12:55-63. 2005
  3. pmc The relationship between electronic health record use and quality of care over time
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, MA, USA
    J Am Med Inform Assoc 16:457-64. 2009
  4. ncbi request reprint Supratherapeutic dosing of acetaminophen among hospitalized patients
    Li Zhou
    Information Systems, Partners HealthCare System Inc, Wellesley, Massachusetts 02481, USA
    Arch Intern Med 172:1721-8. 2012
  5. pmc A study of diverse clinical decision support rule authoring environments and requirements for integration
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare, 93 Worcester Street, 2nd Floor, Wellesley, MA 02481, USA
    BMC Med Inform Decis Mak 12:128. 2012
  6. doi request reprint Mapping Partners Master Drug Dictionary to RxNorm using an NLP-based approach
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, USA
    J Biomed Inform 45:626-33. 2012
  7. pmc The evaluation of a temporal reasoning system in processing clinical discharge summaries
    Li Zhou
    Department of Biomedical Informatics, Columbia University, New York, NY, USA
    J Am Med Inform Assoc 15:99-106. 2008
  8. pmc Using Medical Text Extraction, Reasoning and Mapping System (MTERMS) to process medication information in outpatient clinical notes
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, MA, USA
    AMIA Annu Symp Proc 2011:1639-48. 2011
  9. doi request reprint Rising drug allergy alert overrides in electronic health records: an observational retrospective study of a decade of experience
    Maxim Topaz
    Division of General Internal Medicine and Primary Care, Brigham and Women s Hospital, Boston, MA, USA Harvard Medical School, Boston, MA, USA
    J Am Med Inform Assoc 23:601-8. 2016
  10. pmc Food entries in a large allergy data repository
    Joseph M Plasek
    Division of General Internal Medicine and Primary Care, Brigham and Women s Hospital, Boston, MA, USA
    J Am Med Inform Assoc 23:e79-87. 2016

Detail Information

Publications24

  1. ncbi request reprint Temporal reasoning with medical data--a review with emphasis on medical natural language processing
    Li Zhou
    Department of Biomedical Informatics, Columbia University, New York, NY 10032, USA
    J Biomed Inform 40:183-202. 2007
    ....
  2. pmc Modeling electronic discharge summaries as a simple temporal constraint satisfaction problem
    George Hripcsak
    Department of Biomedical Informatics, Columbia University, 622 West 168th Street, VC5, New York, NY 10032, USA
    J Am Med Inform Assoc 12:55-63. 2005
    ..To model the temporal information contained in medical narrative reports as a simple temporal constraint satisfaction problem...
  3. pmc The relationship between electronic health record use and quality of care over time
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, MA, USA
    J Am Med Inform Assoc 16:457-64. 2009
    ..Future studies should examine the relationship between the extent to which physicians use key EHR functions and their performance on quality measures over time...
  4. ncbi request reprint Supratherapeutic dosing of acetaminophen among hospitalized patients
    Li Zhou
    Information Systems, Partners HealthCare System Inc, Wellesley, Massachusetts 02481, USA
    Arch Intern Med 172:1721-8. 2012
    ..We investigated acetaminophen use and identify factors contributing to supratherapeutic dosing of acetaminophen in hospitalized patients...
  5. pmc A study of diverse clinical decision support rule authoring environments and requirements for integration
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare, 93 Worcester Street, 2nd Floor, Wellesley, MA 02481, USA
    BMC Med Inform Decis Mak 12:128. 2012
    ....
  6. doi request reprint Mapping Partners Master Drug Dictionary to RxNorm using an NLP-based approach
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, USA
    J Biomed Inform 45:626-33. 2012
    ..To develop an automated method based on natural language processing (NLP) to facilitate the creation and maintenance of a mapping between RxNorm and a local medication terminology for interoperability and meaningful use purposes...
  7. pmc The evaluation of a temporal reasoning system in processing clinical discharge summaries
    Li Zhou
    Department of Biomedical Informatics, Columbia University, New York, NY, USA
    J Am Med Inform Assoc 15:99-106. 2008
    ..TimeText is a temporal reasoning system designed to represent, extract, and reason about temporal information in clinical text...
  8. pmc Using Medical Text Extraction, Reasoning and Mapping System (MTERMS) to process medication information in outpatient clinical notes
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, MA, USA
    AMIA Annu Symp Proc 2011:1639-48. 2011
    ..0% coverage compared to RxNorm's 98.0% coverage for free-text notes. 61.6% of mappings between the terminologies are exact match. Capture of duration was significantly improved (91.7% vs. 52.5%) from systems in the third i2b2 challenge...
  9. doi request reprint Rising drug allergy alert overrides in electronic health records: an observational retrospective study of a decade of experience
    Maxim Topaz
    Division of General Internal Medicine and Primary Care, Brigham and Women s Hospital, Boston, MA, USA Harvard Medical School, Boston, MA, USA
    J Am Med Inform Assoc 23:601-8. 2016
    ..The authors aimed to explore the common drug allergy alerts over the last 10 years and the reasons why providers tend to override these alerts...
  10. pmc Food entries in a large allergy data repository
    Joseph M Plasek
    Division of General Internal Medicine and Primary Care, Brigham and Women s Hospital, Boston, MA, USA
    J Am Med Inform Assoc 23:e79-87. 2016
    ..This study examined, encoded, and grouped foods that caused any adverse sensitivity in a large allergy repository using natural language processing and standard terminologies...
  11. doi request reprint Clinicians' Reports in Electronic Health Records Versus Patients' Concerns in Social Media: A Pilot Study of Adverse Drug Reactions of Aspirin and Atorvastatin
    Maxim Topaz
    Brigham and Women s Hospital, Boston, MA, USA
    Drug Saf 39:241-50. 2016
    ..Large databases of clinician reported (e.g., allergy repositories) and patient reported (e.g., social media) adverse drug reactions (ADRs) exist; however, whether patients and clinicians report the same concerns is not clear...
  12. ncbi request reprint Using discordance to improve classification in narrative clinical databases: an application to community-acquired pneumonia
    George Hripcsak
    Department of Biomedical Informatics, Columbia University, New York, NY 10032, USA
    Comput Biol Med 37:296-304. 2007
    ..In a study of pneumonia--in which the ICD9-CM coding was found to be very poor--the discordance measure was statistically significantly correlated with classification correctness (.45; 95% CI .15-.62)...
  13. pmc Using empiric semantic correlation to interpret temporal assertions in clinical texts
    George Hripcsak
    Department of Biomedical Informatics, Columbia University, College of Physicians and Surgeons, 622 West 168 Street, VC 5, New York, NY 10032, USA
    J Am Med Inform Assoc 16:220-7. 2009
    ..To measure the uncertainty of temporal assertions like "3 weeks ago" in clinical texts...
  14. ncbi request reprint A temporal constraint structure for extracting temporal information from clinical narrative
    Li Zhou
    Department of Biomedical Informatics, Columbia University, 622 West 168th Street, VC5, New York, NY 10032, USA
    J Biomed Inform 39:424-39. 2006
    ..Many temporal reasoning mechanisms use constraint-based approaches. Our previous research demonstrates that electronic discharge summaries can be modeled as a simple temporal problem (STP)...
  15. ncbi request reprint Studying Associations Between Heart Failure Self-Management and Rehospitalizations Using Natural Language Processing
    Maxim Topaz
    Harvard Medical School, Boston, MA, USA Brigham Women s Health Hospital, Boston, MA, USA
    West J Nurs Res . 2016
    ..5, 95% CI = [1.2, 2]) was significantly associated with readmissions. We have demonstrated the feasibility of identifying ineffective HF self-management from electronic discharge summaries with natural language processing...
  16. pmc How many medication orders are entered through free-text in EHRs?--a study on hypoglycemic agents
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Boston, MA, USA
    AMIA Annu Symp Proc 2012:1079-88. 2012
    ..Solutions will require policy to enforce structured entry, ongoing improvement in user-interface design, improved training for users, and strategies for maintaining a complete medication list...
  17. ncbi request reprint Terminology model discovery using natural language processing and visualization techniques
    Li Zhou
    Department of Biomedical Informatics, Columbia University, New York, NY, USA
    J Biomed Inform 39:626-36. 2006
    ..We believe that a general method based on NLP and information visualization will facilitate the modeling of medical terminologies...
  18. doi request reprint Automated identification of wound information in clinical notes of patients with heart diseases: Developing and validating a natural language processing application
    Maxim Topaz
    Brigham and Women s Hospital, Boston, MA, USA Harvard Medical School, Boston, MA, USA Electronic address
    Int J Nurs Stud 64:25-31. 2016
    ..However, only a few studies have developed nursing-relevant tools that help busy clinicians to identify information they need at the point of care...
  19. ncbi request reprint High Override Rate for Opioid Drug-allergy Interaction Alerts: Current Trends and Recommendations for Future
    Maxim Topaz
    Brigham and Women s Hospital, Boston, MA, USA
    Stud Health Technol Inform 216:242-6. 2015
    ..9% were unknown. Those findings warrant further investigation into providers' reasons for high override rate. User interfaces should evolve to enable less interruptive and more accurate alerts to decrease alert fatigue. ..
  20. pmc Evaluating standard terminologies for encoding allergy information
    Foster R Goss
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, Massachusetts, USA
    J Am Med Inform Assoc 20:969-79. 2013
    ..Allergy documentation and exchange are vital to ensuring patient safety. This study aims to analyze and compare various existing standard terminologies for representing allergy information...
  21. pmc Terminology modeling for an enterprise laboratory orders catalog
    Li Zhou
    Clinical Informatics R and D, Partners HealthCare System, Boston, MA, USA
    AMIA Annu Symp Proc 2009:735-9. 2009
    ..In particular, we present our experience in adapting HL7's "Common Terminology Services 2 - Upper Level Class Model" as a terminology metamodel for guiding the development of fully specified laboratory orders and related services...
  22. ncbi request reprint Identifying Patients with Depression Using Free-text Clinical Documents
    Li Zhou
    Clinical Informatics, Partners eCare, Partners Healthcare Inc Boston, MA, USA
    Stud Health Technol Inform 216:629-33. 2015
    ..0%, and a higher precision but lower recall than MTERMS. The proposed NLP-based approach was able to identify a significant portion of the depression cases (about 20%) that were not on the coded diagnosis list. ..
  23. ncbi request reprint Structured representation for core elements of common clinical decision support interventions to facilitate knowledge sharing
    Li Zhou
    Clinical Informatics Research and Development, Partners HealthCare System, Inc, Wellesley, MA, USA
    Stud Health Technol Inform 192:195-9. 2013
    ..The CDS knowledge artifacts were shared via a public web portal. Our experience also identifies gaps in existing standards and informs future development of standards for CDS knowledge representation and sharing. ..
  24. ncbi request reprint Mining Clinicians' Electronic Documentation to Identify Heart Failure Patients with Ineffective Self-Management: A Pilot Text-Mining Study
    Maxim Topaz
    Harvard Medical School, Boston, MA, USA
    Stud Health Technol Inform 225:856-7. 2016
    ..compliance issues", 34.6%). We showed the feasibility of using text-mining to identify patients with ineffective self-management. More natural language processing algorithms are needed to help busy clinicians identify these patients. ..