2021
Electrical storm in patients with left ventricular assist devices: Risk factors, incidence, and impact on survival
Rehorn MR, Black-Maier E, Loungani R, Sen S, Sun AY, Friedman DJ, Koontz JI, Schroder JN, Milano CA, Khouri MG, Katz JN, Patel CB, Pokorney SD, Daubert JP, Piccini JP. Electrical storm in patients with left ventricular assist devices: Risk factors, incidence, and impact on survival. Heart Rhythm 2021, 18: 1263-1271. PMID: 33839327, DOI: 10.1016/j.hrthm.2021.03.047.Peer-Reviewed Original ResearchConceptsHistory of VAsPerioperative mechanical circulatory supportAntiarrhythmic drug useMechanical circulatory supportVentricular arrhythmiasElectrical stormRisk factorsLVAD implantationCirculatory supportDrug useVentricular assist device implantationLeft ventricular assist deviceTime of LVADAssist device implantationObservational retrospective studyPopulation of patientsQuaternary care centerVentricular tachycardia ablationCox proportional hazardsDuke University HospitalVentricular assist deviceSympatholytic therapyMedical therapyCatheter ablationDevice implantationChanges in Use of Left Ventricular Assist Devices as Bridge to Transplantation With New Heart Allocation Policy
Mullan CW, Chouairi F, Sen S, Mori M, Clark KAA, Reinhardt SW, Miller PE, Fuery MA, Jacoby D, Maulion C, Anwer M, Geirsson A, Mulligan D, Formica R, Rogers JG, Desai NR, Ahmad T. Changes in Use of Left Ventricular Assist Devices as Bridge to Transplantation With New Heart Allocation Policy. JACC Heart Failure 2021, 9: 420-429. PMID: 33714748, DOI: 10.1016/j.jchf.2021.01.010.Peer-Reviewed Original ResearchConceptsDonor heart allocation systemNumber of patientsHeart allocation systemVentricular assist deviceWaitlist survivalAssist deviceNew heart allocation policyLeft ventricular assist deviceAllocation system changePost-transplant mortalityOrgan Sharing databaseOutcomes of patientsPost-transplantation outcomesProportion of patientsTime of transplantContinuous-flow LVADPost-transplantation survivalHeart allocation policyNew allocation systemBaseline recipientStatus 1AHeart transplantationIschemic timeLVAD implantationTransplant list
2020
Reducing ECG Artifact From Left Ventricular Assist Device Electromagnetic Interference
Loring Z, Sen S, Black-Maier E, Atwater BD, Russell SD, DeVore AD, Piccini JP. Reducing ECG Artifact From Left Ventricular Assist Device Electromagnetic Interference. Journal Of The American Heart Association 2020, 9: e017563. PMID: 32787630, PMCID: PMC7660795, DOI: 10.1161/jaha.120.017563.Peer-Reviewed Original ResearchConceptsHeartMate 3 LVADElectromagnetic interferenceRotational speedBandstop filterLow-pass filterHigh-frequency signal componentsImpeller rotationFrequency peakFast Fourier transformWaveform dataSignal componentsLeft ventricular assist deviceFourier transformFilterECG artifactsSignal peaksNoise artifactsDevicesSpeedVentricular assist devicePotential solutionsAssist deviceAdditional peaksInterferenceFrequency