Oanh Nguyen, MD, MAS

Makam AN, Burnfield J, Prettyman E, Nguyen OK, Wu N, Espejo E, Blat C, Boscardin WJ, Ely EW, Jackson JC, Covinsky KE, Votto J, Recovery After Transfer to an LTACH for COVID-19 (RAFT COVID) Study. One-Year Recovery Among Survivors of Prolonged Severe COVID-19: A National Multicenter Cohort. Critical care medicine 2024. PMID: 38597793

Narayan A, Hong AS, Nguyen OK. Policy in clinical practice: Impact of restoring the 1999 public charge rule on healthcare access for noncitizen immigrants. Journal of hospital medicine 2024. PMID: 38358059

Fraimow-Wong L, Martín M, Thomas L, Giuliano R, Nguyen OK, Knight K, Suen LW. Patient and Staff Perspectives on the Impacts and Challenges of Hospital-Based Harm Reduction. JAMA network open 2024. PMID: 38386317

Westeen EP, Escalona M, Holding M, Beraut E, Fairbairn C, Marimuthu MPA, Nguyen O, Perri R, Fisher RN, Toffelmier E, Shaffer HB, Wang IJ. A genome assembly for the southern Pacific rattlesnake, Crotalus oreganus helleri, in the western rattlesnake species complex. The Journal of heredity 2023. PMID: 37493092

Westeen EP, Escalona M, Beraut E, Marimuthu MPA, Nguyen O, Fisher RN, Toffelmier E, Shaffer HB, Wang IJ. A reference genome assembly for the continentally-distributed ring-necked snake, Diadophis punctatus. The Journal of heredity 2023. PMID: 37688363

Brown NJ, Gendreau J, Kuo CC, Nguyen O, Yang C, Catapano JS, Lawton MT. Assessing survival outcomes and complication profiles following surgical excision and radiotherapy as interventions for skull base chordoma: a systematic review of operative margins and surgical approaches. Journal of neuro-oncology 2023. PMID: 37880419

Nouri S, Lyles CR, Sherwin EB, Kuznia M, Rubinsky AD, Kemper KE, Nguyen OK, Sarkar U, Schillinger D, Khoong EC. Visit and Between-Visit Interaction Frequency Before and After COVID-19 Telehealth Implementation. JAMA network open 2023. PMID: 37713198

Bishop AP, Westeen EP, Yuan ML, Escalona M, Beraut E, Fairbairn C, Marimuthu MPA, Nguyen O, Chumchim N, Toffelmier E, Fisher RN, Shaffer HB, Wang IJ. Assembly of the largest squamate reference genome to date: the western fence lizard, Sceloporus occidentalis. The Journal of heredity 2023. PMID: 37335574

Haber LA, Nguyen OK, Taub J, Martin M. Policy in clinical practice: Elimination of the buprenorphine "X-waiver". Journal of hospital medicine 2023. PMID: 37545111

Rosenthal MA, Ranji SR, Kanzaria HK, Ortiz GM, Chase J, Chodos AH, Nguyen OK, Rodriguez EG, Makam AN. Characterizing patients hospitalized without an acute care indication: A retrospective cohort study. Journal of hospital medicine 2023. PMID: 36757173

Lyles CR, Nguyen OK, Khoong EC, Aguilera A, Sarkar U. Multilevel Determinants of Digital Health Equity: A Literature Synthesis to Advance the Field. Annual review of public health 2022. PMID: 36525960

Martin M, Clement J, Defries T, Makam AN, Nguyen OK. Prevalence and Characteristics of Hospitalizations with Unhealthy Alcohol Use in a Safety-Net Hospital from 2016 to 2018. "Are Telehealth Visits Feasible for Vulnerable Patients?" 2022. PMID: 35060005

Bepo L, Makam AN, Nguyen OK. Sodium-Glucose Cotransporter-2 Inhibitors Versus Glucagon-like Peptide-1 Receptor Agonists and the Risk for Cardiovascular Outcomes in Routine Care Patients With Diabetes Across Categories of Cardiovascular Disease. "Are Telehealth Visits Feasible for Vulnerable Patients?" 2022. PMID: 35038403

Sterling MR, Ringel JB, Pinheiro LC, Safford MM, Levitan EB, Phillips E, Brown TM, Nguyen OK, Goyal P. Social Determinants of Health and 30-Day Readmissions Among Adults Hospitalized for Heart Failure in the REGARDS Study. "Are Telehealth Visits Feasible for Vulnerable Patients?" 2021. PMID: 34865525

Suen LW, Makam AN, Snyder HR, Repplinger D, Kushel MB, Martin M, Nguyen OK. National Prevalence of Alcohol and Other Substance Use Disorders Among Emergency Department Visits and Hospitalizations: NHAMCS 2014-2018. Journal of general internal medicine 2021. PMID: 34518978

Wray CM, Tang J, Shah S, Nguyen OK, Keyhani S. Sociodemographics, Social Vulnerabilities, and Health Factors Associated with Telemedicine Unreadiness Among US Adults. Journal of general internal medicine 2021. PMID: 34331214

Sekar DR, Siropaides CH, Smith LN, Nguyen OK. Adapting Existing Resources for Serious Illness Communication Skills Training for Internal Medicine Residents. Southern medical journal 2021. PMID: 33942112

Nguyen OK, Washington C, Clark CR, Miller ME, Patel VA, Halm EA, Makam AN. Man vs. Machine: Comparing Physician vs. Electronic Health Record-Based Model Predictions for 30-Day Hospital Readmissions. Journal of general internal medicine 2021. PMID: 33443694

Martin M, Snyder HR, Coffa D, Steiger S, Clement JP, Ranji SR, Azari S, Nguyen OK, Lum PJ. Time to ACT: launching an Addiction Care Team (ACT) in an urban safety-net health system. BMJ open quality 2021. PMID: 33500326

Makam AN, Nguyen OK, Miller ME, Shah SJ, Kapinos KA, Halm EA. Comparative effectiveness of long-term acute care hospital versus skilled nursing facility transfer. BMC health services research 2020. PMID: 33176767

Saleh SN, Makam AN, Halm EA, Nguyen OK. Can we predict early 7-day readmissions using a standard 30-day hospital readmission risk prediction model? BMC medical informatics and decision making 2020. PMID: 32933505

Makam AN, Nguyen OK, Halm EA. REPLY TO COMMENT ON: THE CLINICAL COURSE AFTER LONG-TERM ACUTE CARE HOSPITAL ADMISSION AMONG OLDER MEDICARE BENEFICIARIES. Journal of the American Geriatrics Society 2020. PMID: 31903543

Makam AN, Tran T, Miller ME, Xuan L, Nguyen OK, Halm EA. The Clinical Course after Long-Term Acute Care Hospital Admission among Older Medicare Beneficiaries. Journal of the American Geriatrics Society 2019. PMID: 31449686

Schumacher RC, Nguyen OK, Makam AN. Evidence-Based Medicine and the American Thoracic Society Guidelines-Reply. JAMA internal medicine 2019. PMID: 31260021

Keshvani N, Berger K, Gupta A, DePaola S, Nguyen OK, Makam AN. Improving Respiratory Rate Accuracy in the Hospital: A Quality Improvement Initiative. Journal of hospital medicine 2019. PMID: 31251168

Nguyen OK, Makam AN. Comparison of Scheduled vs Emergency-Only Dialysis in Undocumented Immigrants With End-stage Renal Disease-Reply. JAMA internal medicine 2019. PMID: 31058944

DeWaters AL, Loria H, Mayo H, Chisty A, Nguyen OK. The Impact of Block Ambulatory Scheduling on Internal Medicine Residencies: a Systematic Review. Journal of general internal medicine 2019. PMID: 30993618

Schumacher RC, Nguyen OK, Desphande K, Makam AN. Evidence-Based Medicine and the American Thoracic Society Clinical Practice Guidelines. JAMA internal medicine 2019. PMID: 30776054

Nguyen OK, Vazquez MA, Charles L, Berger JR, Quiñones H, Fuquay R, Sanders JM, Kapinos KA, Halm EA, Makam AN. Association of Scheduled vs Emergency-Only Dialysis With Health Outcomes and Costs in Undocumented Immigrants With End-stage Renal Disease. JAMA internal medicine 2018. PMID: 30575859

Makam AN, Nguyen OK, Kirby B, Miller ME, Xuan L, Halm EA. Effect of Site-Neutral Payment Policy on Long-Term Acute Care Hospital Use. Journal of the American Geriatrics Society 2018. PMID: 30281783

Makam AN, Nguyen OK, Xuan L, Miller ME, Halm EA. Long-Term Acute Care Hospital Use of Non-Mechanically Ventilated Hospitalized Older Adults. Journal of the American Geriatrics Society 2018. PMID: 30295927

Makam AN, Nguyen OK, Halm EA. Shortcomings of Research Regarding Long-term Acute Care Hospitals and Skilled Nursing Facilities-Reply. Volume 178 of Issue 6. JAMA internal medicine 2018. PMID: 29868749

Nguyen OK, Makam AN, Clark C, Zhang S, Das SR, Halm EA. Predicting 30-Day Hospital Readmissions in Acute Myocardial Infarction: The AMI "READMITS" (Renal Function, Elevated Brain Natriuretic Peptide, Age, Diabetes Mellitus, Nonmale Sex, Intervention with Timely Percutaneous Coronary Intervention, and Low Systo Volume 7 of Issue 8. 2018. PMID: 29666065

Nguyen OK, Higashi RT, Makam AN, Mijares JC, Lee SC. The Influence of Financial Strain on Health Decision-Making. Volume 33 of Issue 4. Journal of general internal medicine 2018. PMID: 29340939

Makam AN, Nguyen OK, Xuan L, Miller ME, Goodwin JS, Halm EA. Factors Associated With Variation in Long-term Acute Care Hospital vs Skilled Nursing Facility Use Among Hospitalized Older Adults. Volume 178 of Issue 3. JAMA internal medicine 2018. PMID: 29404575

Smith LN, Makam AN, Darden D, Mayo H, Das SR, Halm EA, Nguyen OK. Acute Myocardial Infarction Readmission Risk Prediction Models: A Systematic Review of Model Performance. Volume 11 of Issue 1. 2018. PMID: 29321135

Nguyen OK, Makam AN. What Are the Opportunity Costs of Self-Financing Medical Education? Volume 92 of Issue 12. Academic medicine : journal of the Association of American Medical Colleges 2017. PMID: 29210740

Keshvani N, Berger K, Nguyen OK, Makam AN. Roadmap for improving the accuracy of respiratory rate measurements. Volume 27 of Issue 8. BMJ quality & safety 2017. PMID: 29122976

Badawy J, Nguyen OK, Clark C, Halm EA, Makam AN. Is everyone really breathing 20 times a minute? Assessing epidemiology and variation in recorded respiratory rate in hospitalised adults. Volume 26 of Issue 10. BMJ quality & safety 2017. PMID: 28652259

Makam AN, Nguyen OK, Clark C, Halm EA. Incidence, Predictors, and Outcomes of Hospital-Acquired Anemia. Volume 12 of Issue 5. Journal of hospital medicine 2017. PMID: 28459899

Makam AN, Nguyen OK, Clark C, Zhang S, Xie B, Weinreich M, Mortensen EM, Halm EA. Predicting 30-Day Pneumonia Readmissions Using Electronic Health Record Data. Volume 12 of Issue 4. Journal of hospital medicine 2017. PMID: 28411288

Makam AN, Nguyen OK. An Evidence-Based Medicine Approach to Antihyperglycemic Therapy in Diabetes Mellitus to Overcome Overtreatment. Volume 135 of Issue 2. Circulation 2017. PMID: 28069712

Pruitt SL, Leonard T, Xuan L, Amory R, Higashi RT, Nguyen OK, Pezzia C, Swales S. Who Is Food Insecure? Implications for Targeted Recruitment and Outreach, National Health and Nutrition Examination Survey, 2005-2010. Volume 13. 2016. PMID: 27736055

Weinreich M, Nguyen OK, Wang D, Mayo H, Mortensen EM, Halm EA, Makam AN. Predicting the Risk of Readmission in Pneumonia. A Systematic Review of Model Performance. Volume 13 of Issue 9. 2016. PMID: 27299853

Nguyen OK, Makam AN, Clark C, Zhang S, Xie B, Velasco F, Amarasingham R, Halm EA. Vital Signs Are Still Vital: Instability on Discharge and the Risk of Post-Discharge Adverse Outcomes. Volume 32 of Issue 1. Journal of general internal medicine 2016. PMID: 27503438

Nguyen OK, Halm EA, Makam AN. Further Limitations of the HOSPITAL Score in US Hospitals. Volume 176 of Issue 8. JAMA internal medicine 2016. PMID: 27479675

Makam AN, Nguyen OK. Clinical Criteria to Identify Patients With Sepsis. Volume 316 of Issue 4. JAMA 2016. PMID: 27458952

Fontil V, Bibbins-Domingo K, Nguyen OK, Guzman D, Goldman LE. Management of Hypertension in Primary Care Safety-Net Clinics in the United States: A Comparison of Community Health Centers and Private Physicians' Offices. Volume 52 of Issue 2. Health services research 2016. PMID: 27283354

Nguyen OK, Makam AN, Halm EA. National Use of Safety-Net Clinics for Primary Care among Adults with Non-Medicaid Insurance in the United States. Volume 11 of Issue 3. PloS one 2016. PMID: 27027617

Nguyen OK, Makam AN, Clark C, Zhang S, Xie B, Velasco F, Amarasingham R, Halm EA. Predicting all-cause readmissions using electronic health record data from the entire hospitalization: Model development and comparison. Volume 11 of Issue 7. Journal of hospital medicine 2016. PMID: 26929062

Nguyen OK, Halm EA, Makam AN. Relationship between hospital financial performance and publicly reported outcomes. Volume 11 of Issue 7. Journal of hospital medicine 2016. PMID: 26929094

Makam AN, Nguyen OK, Zhou J, Ottenbacher KJ, Halm EA. Trends in Long-Term Acute Care Hospital Use in Texas from 2002-2011. Volume 2 of Issue 3. 2015. PMID: 26702452

Mody P, Nguyen OK. Selecting the Optimal Design for Drug Discontinuation Trials in a Setting of Advanced, Life-Limiting Illness. Volume 175 of Issue 10. JAMA internal medicine 2015. PMID: 26436750

Makam AN, Nguyen OK, Auerbach AD. Diagnostic accuracy and effectiveness of automated electronic sepsis alert systems: A systematic review. Volume 10 of Issue 6. Journal of hospital medicine 2015. PMID: 25758641

Makam AN, Nguyen OK. Use of cardiac biomarker testing in the emergency department. Volume 175 of Issue 1. JAMA internal medicine 2015. PMID: 25401720

Nguyen OK, Kruger J, Greysen SR, Lyndon A, Goldman LE. Understanding how to improve collaboration between hospitals and primary care in postdischarge care transitions: a qualitative study of primary care leaders' perspectives. Volume 9 of Issue 11. Journal of hospital medicine 2014. PMID: 25211608

Nguyen OK, Chan CV, Makam A, Stieglitz H, Amarasingham R. Envisioning a social-health information exchange as a platform to support a patient-centered medical neighborhood: a feasibility study. Volume 30 of Issue 1. Journal of general internal medicine 2014. PMID: 25092009

Nguyen OK, Tang N, Hillman JM, Gonzales R. What's cost got to do with it? Association between hospital costs and frequency of admissions among "high users" of hospital care. Volume 8 of Issue 12. Journal of hospital medicine 2013. PMID: 24173680

Makam AN, Nguyen OK, Moore B, Ma Y, Amarasingham R. Identifying patients with diabetes and the earliest date of diagnosis in real time: an electronic health record case-finding algorithm. Volume 13. 2013. PMID: 23915139

Rennke S, Nguyen OK, Shoeb MH, Magan Y, Wachter RM, Ranji SR. Hospital-initiated transitional care interventions as a patient safety strategy: a systematic review. Annals of internal medicine 2013. PMID: 23460101

Cepeda C, André VM, Flores-Hernández J, Nguyen OK, Wu N, Klapstein GJ, Nguyen S, Koh S, Vinters HV, Levine MS, Mathern GW. Pediatric cortical dysplasia: correlations between neuroimaging, electrophysiology and location of cytomegalic neurons and balloon cells and glutamate/GABA synaptic circuits. Developmental neuroscience 2005. PMID: 15886485

Scott MR, Safar J, Telling G, Nguyen O, Groth D, Torchia M, Koehler R, Tremblay P, Walther D, Cohen FE, DeArmond SJ, Prusiner SB. Identification of a prion protein epitope modulating transmission of bovine spongiform encephalopathy prions to transgenic mice. Proceedings of the National Academy of Sciences of the United States of America 1997. PMID: 9405603