2024
Factors Underlying Reduced Hospitalizations for Myocardial Infarction During the COVID-19 Pandemic
Wilcock A, Zubizarreta J, Wadhera R, Yeh R, Zachrison K, Schwamm L, Mehrotra A. Factors Underlying Reduced Hospitalizations for Myocardial Infarction During the COVID-19 Pandemic. JAMA Cardiology 2024, 9: 914-920. PMID: 39083317, PMCID: PMC11292572, DOI: 10.1001/jamacardio.2024.2031.Peer-Reviewed Original ResearchHospital encountersAcute myocardial infarctionCare avoidanceShort-term acute careAcute myocardial infarction incidenceAcute myocardial infarction ratesTemporal trendsCOVID-19 pandemicPatient characteristicsTraditional Medicare claimsCross-sectional studyPandemic-related changesAMI incidenceCOVID-19 death ratesAcute careMyocardial infarctionMedicare claimsMain OutcomesExcess deathsExcess mortalityStudy samplePrepandemic levelsTraditional MedicareUnited StatesCOVID-19Critical Domains Within the Self-Reported Patient Experience of Virtual Care
Zachrison K, Yan Z, Cui Y, Park L, Schwamm L. Critical Domains Within the Self-Reported Patient Experience of Virtual Care. JAMA Network Open 2024, 7: e2354159. PMID: 38294816, PMCID: PMC10831569, DOI: 10.1001/jamanetworkopen.2023.54159.Peer-Reviewed Original Research
2023
Antithrombotic and Statin Prescription After Intracerebral Hemorrhage in the Get With The Guidelines-Stroke Registry
Murthy S, Zhang C, Shah S, Schwamm L, Fonarow G, Smith E, Bhatt D, Ziai W, Kamel H, Sheth K. Antithrombotic and Statin Prescription After Intracerebral Hemorrhage in the Get With The Guidelines-Stroke Registry. Stroke 2023, 54: 2972-2980. PMID: 37942641, PMCID: PMC10842167, DOI: 10.1161/strokeaha.123.043194.Peer-Reviewed Original ResearchConceptsIschemic vascular diseaseProportion of patientsGuidelines-Stroke registryLipid-lowering therapyIntracerebral hemorrhageVascular diseaseStatin therapyAnticoagulation therapyCardiovascular eventsAtrial fibrillationFuture major cardiovascular eventsLower admission National InstitutesPrevious lipid-lowering therapyAdmission National InstitutesFavorable discharge outcomeIschemic cardiovascular eventsHealth Stroke ScaleMajor cardiovascular eventsLipid-lowering medicationsCross-sectional studyMultiple logistic regressionLogistic regression analysisAntiplatelet medicationsAntiplatelet therapyStatin medication
2022
Estimated Population Access to Acute Stroke and Telestroke Centers in the US, 2019
Zachrison K, Cash R, Adeoye O, Boggs K, Schwamm L, Mehrotra A, Camargo C. Estimated Population Access to Acute Stroke and Telestroke Centers in the US, 2019. JAMA Network Open 2022, 5: e2145824. PMID: 35138392, PMCID: PMC8829668, DOI: 10.1001/jamanetworkopen.2021.45824.Peer-Reviewed Original Research
2021
Association of Physician Characteristics With Early Adoption of Virtual Health Care
Zachrison K, Yan Z, Samuels-Kalow M, Licurse A, Zuccotti G, Schwamm L. Association of Physician Characteristics With Early Adoption of Virtual Health Care. JAMA Network Open 2021, 4: e2141625. PMID: 34967876, PMCID: PMC8719243, DOI: 10.1001/jamanetworkopen.2021.41625.Peer-Reviewed Original ResearchConceptsVirtual health careCross-sectional studyHealth care systemPatient characteristicsHealth carePhysician characteristicsLarge regional health care systemRetrospective cross-sectional studyBehavioral healthCare systemSurgical specialtiesHealth system databasePhysician-level variationRegional health care systemAmbulatory visitsPrimary careHealth physiciansPatient's abilityAmbulatory careMAIN OUTCOMEGreater oddsAmbulatory practiceBivariate comparisonsPhysiciansHospital affiliationChanges in Virtual and In-Person Health Care Utilization in a Large Health System During the COVID-19 Pandemic
Zachrison K, Yan Z, Schwamm L. Changes in Virtual and In-Person Health Care Utilization in a Large Health System During the COVID-19 Pandemic. JAMA Network Open 2021, 4: e2129973. PMID: 34705016, PMCID: PMC8552053, DOI: 10.1001/jamanetworkopen.2021.29973.Peer-Reviewed Original ResearchConceptsHealth care utilizationCare utilizationCross-sectional studyLarge health systemVirtual careHealth systemCOVID-19 pandemicCareAssociation of Hospital Telestroke Adoption With Changes in Initial Hospital Presentation and Transfers Among Patients With Stroke and Transient Ischemic Attacks
Zachrison K, Richard J, Wilcock A, Zubizaretta J, Schwamm L, Uscher-Pines L, Mehrotra A. Association of Hospital Telestroke Adoption With Changes in Initial Hospital Presentation and Transfers Among Patients With Stroke and Transient Ischemic Attacks. JAMA Network Open 2021, 4: e2126612. PMID: 34554236, PMCID: PMC8461501, DOI: 10.1001/jamanetworkopen.2021.26612.Peer-Reviewed Original ResearchConceptsHospital stroke volumeControl hospitalsStroke volumeStroke centersStroke symptomsStroke systemsCase mixTransient ischemic attack admissionsHospital pairsInitial hospital presentationThrombectomy-capable hospitalsComprehensive stroke centerTransient ischemic attackPrimary stroke centerCross-sectional studyMajor teaching hospitalObserved patient characteristicsBed sizeHospital presentationIschemic attackInitial hospitalCritical access hospitalsPatient characteristicsInterhospital transferPostimplementation period