2023
Transcatheter versus surgical aortic valve replacement in lower-risk and higher-risk patients: a meta-analysis of randomized trials
Ahmad Y, Howard J, Arnold A, Madhavan M, Cook C, Alu M, Mack M, Reardon M, Thourani V, Kapadia S, Thyregod H, Sondergaard L, Jørgensen T, Toff W, Van Mieghem N, Makkar R, Forrest J, Leon M. Transcatheter versus surgical aortic valve replacement in lower-risk and higher-risk patients: a meta-analysis of randomized trials. European Heart Journal 2023, 44: 836-852. PMID: 36660821, DOI: 10.1093/eurheartj/ehac642.Peer-Reviewed Original ResearchMeSH KeywordsAortic ValveAortic Valve StenosisHeart Valve Prosthesis ImplantationHumansRandomized Controlled Trials as TopicRisk FactorsStrokeTreatment OutcomeConceptsSurgical aortic valve replacementTranscatheter aortic valve implantationHigh-risk patientsLow-risk patientsComposite of deathAortic valve replacementValve replacementMAIN OUTCOMENew-onset atrial fibrillationSignificant differencesRandomized clinical trial dataAcute kidney injuryAortic valve implantationMain clinical outcomesRisk of deathClinical trial dataMajor bleedingKidney injurySecondary endpointsVascular complicationsValve implantationClinical outcomesParavalvular leakRandomized trialsAtrial fibrillationPublic Reporting of Stroke After Transcatheter Aortic Valve Replacement A Cautionary Tale ∗
Lansky A, Ahmad Y. Public Reporting of Stroke After Transcatheter Aortic Valve Replacement A Cautionary Tale ∗. JACC Cardiovascular Interventions 2023, 16: 177-178. PMID: 36697153, DOI: 10.1016/j.jcin.2022.11.010.Peer-Reviewed Original Research
2022
Readmission rates and risk factors for readmission after transcatheter aortic valve replacement in patients with end-stage renal disease
Park DY, An S, Hanna JM, Wang SY, Cruz-Solbes AS, Kochar A, Lowenstern AM, Forrest JK, Ahmad Y, Cleman M, Al Damluji A, Nanna MG. Readmission rates and risk factors for readmission after transcatheter aortic valve replacement in patients with end-stage renal disease. PLOS ONE 2022, 17: e0276394. PMID: 36264931, PMCID: PMC9584363, DOI: 10.1371/journal.pone.0276394.Peer-Reviewed Original ResearchMeSH KeywordsAortic Valve StenosisHumansKidney Failure, ChronicPatient ReadmissionRisk FactorsTime FactorsTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsEnd-stage renal diseaseTranscatheter aortic valve replacementLength of stayAortic valve replacementIndex hospitalizationHospital mortalityReadmission ratesValve replacementRenal diseaseLonger LOSNational Readmission DatabaseRisk of readmissionChronic pulmonary diseaseMultivariable logistic regressionCardiovascular causesCardiovascular readmissionCause readmissionHospital readmissionPulmonary diseaseHospital chargesPoor outcomeRisk factorsHospital costsReadmissionHigher oddsReadmission and In-Hospital Outcomes After Transcatheter Aortic Valve Replacement in Patients With Dementia
Park DY, Sana MK, Shoura S, Hammo H, Hu JR, Forrest JK, Lowenstern A, Cleman M, Ahmad Y, Nanna MG. Readmission and In-Hospital Outcomes After Transcatheter Aortic Valve Replacement in Patients With Dementia. Cardiovascular Revascularization Medicine 2022, 46: 70-77. PMID: 35973922, PMCID: PMC10940024, DOI: 10.1016/j.carrev.2022.08.016.Peer-Reviewed Original ResearchMeSH KeywordsAortic ValveAortic Valve StenosisDementiaHospitalsHumansPatient ReadmissionRisk FactorsTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsTranscatheter aortic valve replacementAortic valve replacementAortic stenosisValve replacementSecondary diagnosisHospital adverse outcomesAcute kidney injuryIn-Hospital OutcomesNational Readmission DatabasePresence of dementiaPrevalence of dementiaProportional hazards modelDecade of ageHigher hazardIndex hospitalizationInpatient outcomesKidney injuryDefinitive treatmentPacemaker placementReadmission riskAdverse outcomesReadmissionHigher oddsDecision-making discussionsHigh riskHypoattenuated leaflet thickening (HALT) and reduced leaflet motion (RELM) of aortic bioprostheses: An imaging finding or a complication?
Ahmad Y, Makkar R, Sondergaard L. Hypoattenuated leaflet thickening (HALT) and reduced leaflet motion (RELM) of aortic bioprostheses: An imaging finding or a complication? Progress In Cardiovascular Diseases 2022, 72: 78-83. PMID: 35675882, DOI: 10.1016/j.pcad.2022.05.007.Peer-Reviewed Original ResearchMeSH KeywordsAortic ValveAortic Valve StenosisBioprosthesisHeart Valve ProsthesisHumansThrombosisTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsLeaflet thickeningAortic bioprosthesesLeaflet motionSurgical aortic valve replacementSymptomatic severe aortic stenosisTranscatheter aortic valve implantationSubclinical leaflet thrombosisSurgical aortic bioprosthesesSevere aortic stenosisAortic valve replacementAortic valve implantationForm of strokeThrombotic complicationsValve implantationValve replacementAortic stenosisSurgical riskLeaflet thrombosisEffective therapyComputed tomographyValve functionRandomized dataValve durabilityClinical implicationsNatural history
2021
Patient-Prosthesis Mismatch After SAVR and TAVR The Importance of Comparing Apples With Apples ∗
Chakravarty T, Makar M, Ahmad Y. Patient-Prosthesis Mismatch After SAVR and TAVR The Importance of Comparing Apples With Apples ∗. JACC Cardiovascular Interventions 2021, 14: 1478-1480. PMID: 34238558, DOI: 10.1016/j.jcin.2021.05.011.Peer-Reviewed Original ResearchMeta-Analysis of Usefulness of Cerebral Embolic Protection During Transcatheter Aortic Valve Implantation
Ahmad Y, Howard JP. Meta-Analysis of Usefulness of Cerebral Embolic Protection During Transcatheter Aortic Valve Implantation. The American Journal Of Cardiology 2021, 146: 69-73. PMID: 33556360, PMCID: PMC8082278, DOI: 10.1016/j.amjcard.2021.01.023.Peer-Reviewed Original ResearchMeSH KeywordsAortic ValveAortic Valve StenosisEmbolic Protection DevicesHumansIntracranial EmbolismRisk FactorsTranscatheter Aortic Valve ReplacementConceptsTranscatheter aortic valve implantationCerebral embolic protectionRisk of strokeAortic valve implantationEmbolic protectionValve implantationClinical outcomesNon-disabling strokePrimary end pointNew ischemic lesionsRandomized clinical trialsTotal lesion volumeSignificant differencesFeared complicationIschemic lesionsClinical trialsLesion volumeStroke rateNeuroimaging outcomesMeta-AnalysisSystematic reviewTrial dataStrokeEnd pointSignificant heterogeneityPerformance of quantitative flow ratio in patients with aortic stenosis undergoing transcatheter aortic valve implantation
Sejr‐Hansen M, Christiansen EH, Ahmad Y, Vendrik J, Westra J, Holm NR, Thim T, Seligman H, Hall K, Sen S, Terkelsen CJ, Eftekhari A. Performance of quantitative flow ratio in patients with aortic stenosis undergoing transcatheter aortic valve implantation. Catheterization And Cardiovascular Interventions 2021, 99: 68-73. PMID: 33533535, DOI: 10.1002/ccd.29518.Peer-Reviewed Original ResearchConceptsTranscatheter aortic valve implantationAortic valve stenosisCoronary artery diseaseInstantaneous wave-free ratioFractional flow reserveQuantitative flow ratioAortic valve implantationValve implantationDiagnostic performancePressure wirePresence of ASSevere aortic valve stenosisAortic valve replacementCoronary pressure wireGood diagnostic performanceValve replacementAortic stenosisArtery diseaseValve stenosisCoronary angiogramFlow reservePatientsCAD evaluationDiagnostic accuracyStenosis
2020
Long‐Term Effects of Transcatheter Aortic Valve Implantation on Coronary Hemodynamics in Patients With Concomitant Coronary Artery Disease and Severe Aortic Stenosis
Vendrik J, Ahmad Y, Eftekhari A, Howard JP, Wijntjens GWM, Stegehuis VE, Cook C, Terkelsen CJ, Christiansen EH, Koch KT, Piek JJ, Sen S, Baan J. Long‐Term Effects of Transcatheter Aortic Valve Implantation on Coronary Hemodynamics in Patients With Concomitant Coronary Artery Disease and Severe Aortic Stenosis. Journal Of The American Heart Association 2020, 9: e015133. PMID: 32102615, PMCID: PMC7335578, DOI: 10.1161/jaha.119.015133.Peer-Reviewed Original ResearchConceptsTranscatheter aortic valve implantationSevere aortic stenosisConcomitant coronary artery diseaseAortic stenosisAortic valve implantationCoronary artery diseasePost-TAVICoronary flowArtery diseaseValve implantationCoronary hemodynamicsLarge-scale prospective randomized trialsFractional flow reserve assessmentProspective randomized trialsLow-risk patientsHyperemic coronary flowInstantaneous wave-free ratioFractional flow reserveCoronary stenosis severityYounger patientsCoronary lesionsRandomized trialsDiastolic flowPatient populationWave-free period
2019
Determining the Predominant Lesion in Patients With Severe Aortic Stenosis and Coronary Stenoses
Ahmad Y, Vendrik J, Eftekhari A, Howard JP, Cook C, Rajkumar C, Malik I, Mikhail G, Ruparelia N, Hadjiloizou N, Nijjer S, Al-Lamee R, Petraco R, Warisawa T, Wijntjens GWM, Koch KT, van de Hoef T, de Waard G, Echavarria-Pinto M, Frame A, Sutaria N, Kanaganayagam G, Ariff B, Anderson J, Chukwuemeka A, Fertleman M, Koul S, Iglesias JF, Francis D, Mayet J, Serruys P, Davies J, Escaned J, van Royen N, Götberg M, Terkelsen C, Christiansen E, Piek JJ, Baan J, Sen S. Determining the Predominant Lesion in Patients With Severe Aortic Stenosis and Coronary Stenoses. Circulation Cardiovascular Interventions 2019, 12: e008263-e008263. PMID: 31752515, PMCID: PMC6924937, DOI: 10.1161/circinterventions.119.008263.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAortic ValveAortic Valve StenosisBlood Flow VelocityCardiac CatheterizationCoronary Artery DiseaseCoronary CirculationCoronary StenosisCoronary VesselsEuropeFemaleHemodynamicsHumansMaleMicrocirculationPercutaneous Coronary InterventionPredictive Value of TestsRecovery of FunctionSeverity of Illness IndexTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsTranscatheter aortic valve implantationSevere aortic stenosisPercutaneous coronary interventionAortic stenosisCoronary artery diseaseCoronary stenosisIntermediate coronary stenosisCoronary diseaseCoronary interventionArtery diseaseCoronary microcirculationWave-free periodInstantaneous wave-free ratio valueConcomitant coronary artery diseaseConcomitant coronary diseaseAortic valve implantationInstantaneous wave-free ratioPhysiology-guided revascularizationExertional symptomsPost-TAVIHemodynamic improvementHemodynamic benefitsValve implantationCoronary lesionsMicrovascular resistance
2018
Coronary Hemodynamics in Patients With Severe Aortic Stenosis and Coronary Artery Disease Undergoing Transcatheter Aortic Valve Replacement Implications for Clinical Indices of Coronary Stenosis Severity
Ahmad Y, Götberg M, Cook C, Howard JP, Malik I, Mikhail G, Frame A, Petraco R, Rajkumar C, Demir O, Iglesias JF, Bhindi R, Koul S, Hadjiloizou N, Gerber R, Ramrakha P, Ruparelia N, Sutaria N, Kanaganayagam G, Ariff B, Fertleman M, Anderson J, Chukwuemeka A, Francis D, Mayet J, Serruys P, Davies J, Sen S. Coronary Hemodynamics in Patients With Severe Aortic Stenosis and Coronary Artery Disease Undergoing Transcatheter Aortic Valve Replacement Implications for Clinical Indices of Coronary Stenosis Severity. JACC Cardiovascular Interventions 2018, 11: 2019-2031. PMID: 30154062, PMCID: PMC6197079, DOI: 10.1016/j.jcin.2018.07.019.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAortic Valve StenosisBlood Flow VelocityCardiac CatheterizationCoronary Artery DiseaseCoronary StenosisFemaleFractional Flow Reserve, MyocardialHemodynamicsHumansHyperemiaLondonMalePredictive Value of TestsReproducibility of ResultsSeverity of Illness IndexSwedenTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsSevere aortic stenosisTranscatheter aortic valve replacementCoronary artery diseaseCoronary stenosis severityAortic stenosisHyperemic coronary flowFractional flow reserveArtery diseaseCoronary flowStenosis severityWave-free periodClinical indicesHyperemic flowFlow reserveInstantaneous wave-free ratio valueIntracoronary pressureConcomitant coronary artery diseaseAortic valve replacementStenotic aortic valvesInstantaneous wave-free ratioPhasic coronary flowValve replacementHyperemic indexAortic valveCoronary pressureAssessing coronary disease in patients with severe aortic stenosis: the need for a 'valid' gold standard for validation studies?
Sen S, Ahmad Y, Davies J. Assessing coronary disease in patients with severe aortic stenosis: the need for a 'valid' gold standard for validation studies? EuroIntervention 2018, 13: 1499-1502. PMID: 29345238, DOI: 10.4244/eijv13i13a240.Peer-Reviewed Original Research
2017
Aortic Stenosis in Dialysis Patients
Ahmad Y, Bellamy MF, Baker CSR. Aortic Stenosis in Dialysis Patients. Seminars In Dialysis 2017, 30: 224-231. PMID: 28239994, DOI: 10.1111/sdi.12582.Peer-Reviewed Original ResearchMeSH KeywordsAortic Valve StenosisEchocardiographyGlobal HealthHumansIncidenceKidney Failure, ChronicRenal DialysisRisk AssessmentConceptsAortic stenosisExercise-induced symptomsSevere aortic stenosisAortic valve stenosisDialysis populationExercise capacityRenal failureValve replacementDialysis patientsValve stenosisCardiac outputConventional surgeryPercutaneous techniquesGeneral populationStenosis severityStenosisPatientsSymptomsObjective assessmentValvePotential pitfallsComorbiditiesEchocardiographySurgeryAccurate interpretation