The MitraClip and survival in patients with mitral regurgitation at high risk for surgery: A propensity-matched comparison
Velazquez EJ, Samad Z, Al-Khalidi HR, Sangli C, Grayburn PA, Massaro JM, Stevens SR, Feldman TE, Krucoff MW. The MitraClip and survival in patients with mitral regurgitation at high risk for surgery: A propensity-matched comparison. American Heart Journal 2015, 170: 1050-1059.e3. PMID: 26542516, DOI: 10.1016/j.ahj.2015.08.004.Peer-Reviewed Original ResearchConceptsMitraClip patientsCox proportional hazards modelPropensity-matched comparisonSevere MR patientsHigh surgical riskHigh-risk patientsNon-surgical treatmentKaplan-Meier estimatesMitral regurgitation patientsProportional hazards modelSurvival benefitMedical therapySurgical riskMitral regurgitationRelative riskBaseline differencesHigh riskMR patientsHazards modelMitraClipPatientsFurther adjustmentLaboratory databasePropensity scorePatient matching