2023
A robotic-assisted approach to sliding plasty, neochordoplasty, and annuloplasty in a technically complex mitral valve repair.
Amabile A, LaLonde M, Komlo C, Hameed I, Weininger G, Agrawal A, Krane M, Geirsson A. A robotic-assisted approach to sliding plasty, neochordoplasty, and annuloplasty in a technically complex mitral valve repair. Multimedia Manual Of Cardio-Thoracic Surgery 2023, 2023 PMID: 36701207, DOI: 10.1510/mmcts.2022.057.Peer-Reviewed Original Research
2022
Impact of secondary mitral regurgitation on survival in atrial and ventricular dysfunction
Mori M, Zogg C, Amabile A, Fereydooni S, Agarwal R, Weininger G, Krane M, Sugeng L, Geirsson A. Impact of secondary mitral regurgitation on survival in atrial and ventricular dysfunction. PLOS ONE 2022, 17: e0277385. PMID: 36548259, PMCID: PMC9778994, DOI: 10.1371/journal.pone.0277385.Peer-Reviewed Original ResearchConceptsSecondary mitral regurgitationVentricular dysfunctionHazard of deathAtrial dysfunctionMitral regurgitationMild secondary mitral regurgitationSevere secondary mitral regurgitationCox proportional hazards modelRisk-adjusted hazardRetrospective cohort studySurvival of patientsProportional hazards modelCohort studyPatient demographicsSeverity strataBetter survivalHazards modelPatientsDysfunctionNatural historyPropensity scoreSeverityDifferent severitySurvivalRegurgitationGrowth rate of ascending thoracic aortic aneurysms in a non-referral-based population
Weininger G, Mori M, Yousef S, Hur DJ, Assi R, Geirsson A, Vallabhajosyula P. Growth rate of ascending thoracic aortic aneurysms in a non-referral-based population. Journal Of Cardiothoracic Surgery 2022, 17: 14. PMID: 35109884, PMCID: PMC8812194, DOI: 10.1186/s13019-022-01761-6.Peer-Reviewed Original ResearchConceptsAneurysm growth rateAortic dilatationAortic aneurysmStudy populationCT scanInitial aneurysm sizeTrue natural historyPatients age 50High-risk patientsMedian time intervalLarge institutional databaseThoracic aortic aneurysmComputed tomography scanAortic aneurysm diseaseRisk patientsAortic sizeInstitutional databaseTomography scanAneurysm diseaseRadiologic diagnosisAneurysm sizeBackgroundPrior studiesAge 50PatientsNatural history
2021
Lipid profiles help to explain protection from systemic atherosclerosis in patients with ascending aortic aneurysm
Weininger G, Ostberg N, Shang M, Zafar M, Ziganshin BA, Liu S, Erben Y, Elefteriades JA. Lipid profiles help to explain protection from systemic atherosclerosis in patients with ascending aortic aneurysm. Journal Of Thoracic And Cardiovascular Surgery 2021, 163: e129-e132. PMID: 34635315, DOI: 10.1016/j.jtcvs.2021.09.031.Peer-Reviewed Original ResearchSurvival of Patients With Mild Secondary Mitral Regurgitation With and Without Mild Tricuspid Regurgitation
Mori M, Weininger G, Agarwal R, Shang M, Amabile A, Kahler-Quesada A, Yousef S, Pichert M, Vallabhajosyula P, Zhang Y, Sugeng L, Geirsson A. Survival of Patients With Mild Secondary Mitral Regurgitation With and Without Mild Tricuspid Regurgitation. Canadian Journal Of Cardiology 2021, 37: 1513-1521. PMID: 34119634, DOI: 10.1016/j.cjca.2021.06.005.Peer-Reviewed Original ResearchConceptsMild secondary mitral regurgitationLeft ventricular ejection fractionSecondary mitral regurgitationMild tricuspid regurgitationNormal left ventricular ejection fractionTricuspid regurgitationHazard of deathGroup 1Valvular abnormalitiesMitral regurgitationGroup 2Mean age 61 yearsGroup 4Cox proportional hazards modelGroup 1 patientsGroup 2 patientsGroup 3 patientsGroup 4 patientsAge 61 yearsRetrospective cohort studySurvival of patientsSubgroup of patientsProportional hazards modelCohort studyHealth care networkCavitron ultrasonic surgical aspirator for mitral annular decalcification.
Weininger G, Green J, Mori M, Geirsson A. Cavitron ultrasonic surgical aspirator for mitral annular decalcification. Multimedia Manual Of Cardio-Thoracic Surgery 2021, 2021 PMID: 33691046, DOI: 10.1510/mmcts.2021.009.Peer-Reviewed Original ResearchConceptsMitral annular calcificationCavitron Ultrasonic Surgical AspiratorUltrasonic surgical aspiratorAnnular calcificationSurgical aspiratorAnnular decalcificationMitral annulusSevere mitral annular calcificationMitral valve surgeryProper surgical techniqueProper techniqueValve surgerySurgical complicationsSevere calcificationHigh morbidityPostoperative imagingPatient presentationSurgical techniqueCalcificationPatientsAspiratorDecalcificationMorbidityComplicationsSurgeryPatterns of Surveillance Imaging for Incidentally Detected Ascending Aortic Aneurysms
Weininger G, Mori M, Shang M, Degife E, Amick M, Yousef S, Assi R, Milewski R, Geirsson A, Vallabhajosyula P. Patterns of Surveillance Imaging for Incidentally Detected Ascending Aortic Aneurysms. The Annals Of Thoracic Surgery 2021, 113: 125-130. PMID: 33609548, DOI: 10.1016/j.athoracsur.2021.02.010.Peer-Reviewed Original ResearchConceptsAneurysm sizeLogistic regression modelsAortic aneurysmTomography scanCardiac surgeonsHigh-risk patient populationHigh-risk patientsAscending Aortic AneurysmLow clinical penetranceMedian aneurysm sizeYear of detectionPatterns of surveillanceMedian followCare patientsRegression modelsSurveillance imagingSurveillance intervalsPatient populationIncidental detectionFamily historyClinical penetrancePatientsPatient's aneurysmSilent killerTimely intervention
2020
Combined Valve Operations in the Aortic and Mitral Positions With or Without Added Tricuspid Valve Repair
Faggion Vinholo T, Mori M, Mahmood SUB, Mullan CW, Weininger G, Yousef S, Geirsson A. Combined Valve Operations in the Aortic and Mitral Positions With or Without Added Tricuspid Valve Repair. Seminars In Thoracic And Cardiovascular Surgery 2020, 32: 665-672. PMID: 32060011, DOI: 10.1053/j.semtcvs.2020.02.010.Peer-Reviewed Original ResearchConceptsDouble valve surgeryPerioperative adverse eventsTricuspid valve repairTricuspid regurgitationValve surgeryAdverse eventsValve repairMitral valveMitral positionValve functionTriple valve surgeryMid-term survivalLimited clinical evidenceSingle-institution seriesSubpopulation of patientsTricuspid valve functionMitral valve diseaseValve operationsLogistic regression modelsSignificant additional riskMultivalve surgeryPostoperative echocardiogramsPatient comorbiditiesMultivariable analysisClinical evidence