2024
Intravascular Microaxial Left Ventricular Assist Device Manufacturer Payments to Cardiologists and Use of Devices
Dhruva S, Ross J, Steinman M, Gan S, Muluk S, Anderson T. Intravascular Microaxial Left Ventricular Assist Device Manufacturer Payments to Cardiologists and Use of Devices. JAMA 2024, 331: 1499-1501. PMID: 38598231, PMCID: PMC11007652, DOI: 10.1001/jama.2024.4682.Peer-Reviewed Original ResearchMeSH KeywordsAdultCardiologistsCross-Sectional StudiesFemaleHeart FailureHeart-Assist DevicesHumansMaleMedicare Part BMiddle AgedUnited States
2021
Use of Mechanical Circulatory Support Devices Among Patients With Acute Myocardial Infarction Complicated by Cardiogenic Shock
Dhruva SS, Ross JS, Mortazavi BJ, Hurley NC, Krumholz HM, Curtis JP, Berkowitz AP, Masoudi FA, Messenger JC, Parzynski CS, Ngufor CG, Girotra S, Amin AP, Shah ND, Desai NR. Use of Mechanical Circulatory Support Devices Among Patients With Acute Myocardial Infarction Complicated by Cardiogenic Shock. JAMA Network Open 2021, 4: e2037748. PMID: 33616664, PMCID: PMC7900859, DOI: 10.1001/jamanetworkopen.2020.37748.Peer-Reviewed Original ResearchMeSH KeywordsAgedAssisted CirculationCross-Sectional StudiesExtracorporeal Membrane OxygenationFemaleHeart ArrestHeart-Assist DevicesHospitals, High-VolumeHospitals, Low-VolumeHospitals, TeachingHumansIntra-Aortic Balloon PumpingMaleMiddle AgedMyocardial InfarctionPercutaneous Coronary InterventionRisk FactorsShock, CardiogenicConceptsMicroaxial left ventricular assist deviceIntra-aortic balloon pumpLeft ventricular assist devicePercutaneous coronary interventionAcute myocardial infarctionMechanical circulatory support devicesCardiogenic shockHospital-level variationSignificant hospital-level variationCirculatory support devicesMCS devicesUse of IABPDevice useMedian proportionAcute Myocardial Infarction ComplicatedCardiology-National Cardiovascular Data RegistryChest Pain-MI RegistryLimited clinical trial evidenceNational Cardiovascular Data RegistryMyocardial Infarction ComplicatedFirst medical contactSupport devicesClinical trial evidenceExtracorporeal membrane oxygenationCoronary artery stenosis
2020
Impact of left ventricular assist devices and heart transplants on acute myocardial infarction and heart failure mortality and readmission measures
Brandt EJ, Ross JS, Grady JN, Ahmad T, Pawar S, Bernheim SM, Desai NR. Impact of left ventricular assist devices and heart transplants on acute myocardial infarction and heart failure mortality and readmission measures. PLOS ONE 2020, 15: e0230734. PMID: 32214363, PMCID: PMC7098556, DOI: 10.1371/journal.pone.0230734.Peer-Reviewed Original ResearchMeSH KeywordsAgedDatabases, FactualFemaleHeart FailureHeart TransplantationHeart-Assist DevicesHumansMaleMyocardial InfarctionPatient ReadmissionRiskConceptsLeft ventricular assist deviceHeart transplantation patientsRisk-standardized mortalityHeart transplantationTransplantation patientsAMI cohortReadmission cohortHF cohortVentricular assist deviceAMI mortalityAssist deviceHeart failure mortalityAcute myocardial infarctionHF mortalityLVAD indicationHF patientsLVAD patientsReadmission ratesHeart transplantMyocardial infarctionPrimary diagnosisReadmission measuresMedicare feeChronic supportPatientsAssociation of Use of an Intravascular Microaxial Left Ventricular Assist Device vs Intra-aortic Balloon Pump With In-Hospital Mortality and Major Bleeding Among Patients With Acute Myocardial Infarction Complicated by Cardiogenic Shock
Dhruva SS, Ross JS, Mortazavi BJ, Hurley NC, Krumholz HM, Curtis JP, Berkowitz A, Masoudi FA, Messenger JC, Parzynski CS, Ngufor C, Girotra S, Amin AP, Shah ND, Desai NR. Association of Use of an Intravascular Microaxial Left Ventricular Assist Device vs Intra-aortic Balloon Pump With In-Hospital Mortality and Major Bleeding Among Patients With Acute Myocardial Infarction Complicated by Cardiogenic Shock. JAMA 2020, 323: 734-745. PMID: 32040163, PMCID: PMC7042879, DOI: 10.1001/jama.2020.0254.Peer-Reviewed Original ResearchMeSH KeywordsAgedCause of DeathExtracorporeal Membrane OxygenationFemaleHeart ArrestHeart-Assist DevicesHemorrhageHospital MortalityHumansIntra-Aortic Balloon PumpingMaleMatched-Pair AnalysisMiddle AgedMyocardial InfarctionPercutaneous Coronary InterventionPropensity ScoreRegistriesRetrospective StudiesShock, CardiogenicST Elevation Myocardial InfarctionConceptsMicroaxial left ventricular assist deviceIntra-aortic balloon pumpLeft ventricular assist deviceAcute myocardial infarctionPercutaneous coronary interventionNational Cardiovascular Data RegistryCardiogenic shockHemodynamic supportMyocardial infarctionRegistry-based retrospective cohort studyCardiology-National Cardiovascular Data RegistryChest Pain-MI RegistryST-elevation myocardial infarctionMechanical circulatory support devicesGreater hemodynamic supportHospital major bleedingRetrospective cohort studyPropensity-matched pairsCirculatory support devicesVentricular assist deviceClinical laboratory dataHospital mortalityMajor bleedingHospital deathCohort study
2016
The US Food and Drug Administration 515 Program Initiative: Addressing the Evidence Gap for Widely Used, High-Risk Cardiovascular Devices?
Rathi VK, Kesselheim AS, Ross JS. The US Food and Drug Administration 515 Program Initiative: Addressing the Evidence Gap for Widely Used, High-Risk Cardiovascular Devices? JAMA Cardiology 2016, 1: 117. PMID: 27437879, DOI: 10.1001/jamacardio.2016.0002.Commentaries, Editorials and Letters
2015
High-Risk Medical Devices: Why Do We Not Better Understand Effectiveness and Safety?
Ross JS. High-Risk Medical Devices: Why Do We Not Better Understand Effectiveness and Safety? JAMA Internal Medicine 2015, 175: 939-940. PMID: 25822990, DOI: 10.1001/jamainternmed.2015.0578.Commentaries, Editorials and Letters