Dataset Information

MitraClip-data analysis of contemporary literature.

ABSTRACT: Treatment of mitral regurgitation (MR) with the MitraClip (MC), a percutaneous, transseptal edge-to-edge reconstruction of the mitral valve, has become an interesting treatment option in most patients not eligible for surgery. Lately a variety of studies have been published analyzing the treatment of MR with the MC in degenerative as well as functional MR. The results for both entities of MR show negligible intraprocedural mortality, low periprocedural complications rates and a beneficiary outcome in terms of reduction in MR as well as an improvement in functional capacity and quality of life. Here we summarize the latest results focusing on safety and efficacy of MC treatment.

SUBMITTER: Deuschl F

PROVIDER: S-EPMC4598489 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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MitraClip-data analysis of contemporary literature.

Deuschl Florian F Schofer Niklas N Lubos Edith E Schirmer Johannes J Conradi Lenard L Treede Hendrik H Reichenspurner Hermann H Blankenberg Stefan S Schäfer Ulrich U

Journal of thoracic disease 20150901 9

Treatment of mitral regurgitation (MR) with the MitraClip (MC), a percutaneous, transseptal edge-to-edge reconstruction of the mitral valve, has become an interesting treatment option in most patients not eligible for surgery. Lately a variety of studies have been published analyzing the treatment of MR with the MC in degenerative as well as functional MR. The results for both entities of MR show negligible intraprocedural mortality, low periprocedural complications rates and a beneficiary outco ...[more]

PMID: 26543596

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Project description:AimsThe transcatheter mitral valve interventions (TRAMI) registry was established in order to assess safety and efficacy of catheter-based mitral valve interventional techniques in Germany, and prospectively enrolled 828 MitraClip patients (median age 76 years, median log. EuroSCORE I 20.0%) between August 2010 and July 2013. We present the 1-year outcome in this MitraClip cohort-which is the largest published to date.Methods and resultsSeven forty-nine patients (90.5%) were available for 1-year follow-up and included in the following analyses. Mortality, major adverse cardiovascular event rates, and New York Heart Association (NYHA) classes were recorded. Predictors of 1-year mortality were identified by multivariate analysis using a Cox regression model with stepwise forward selection. The 1-year mortality was 20.3%. At 1 year, 63.3% of TRAMI patients pertained to NYHA functional classes I or II (compared with 11.0% at baseline), and self-rated health status (on EuroQuol visual analogue scale) also improved significantly by 10 points. Importantly, a significant proportion of patients regained the complete independence in self-care after MitraClip implantation (independence in 74.0 vs. 58.6% at baseline, P = 0.005). Predictors of 1-year mortality were NYHA class IV (hazard ratio, HR 1.62, P = 0.02), anaemia (HR 2.44, P = 0.02), previous aortic valve intervention (HR 2.12, P = 0.002), serum creatinine ≥1.5 mg/dL (HR 1.77, P = 0.002), peripheral artery disease (HR 2.12, P = 0.0003), left ventricular ejection fraction <30% (HR 1.58, P = 0.01), severe tricuspid regurgitation (HR 1.84, P = 0.003), and procedural failure (defined as operator-reported failure, conversion to surgery, failure of clip placement, or residual post-procedural severe mitral regurgitation) (HR 4.36, P < 0.0001).ConclusionsTreatment of significant MR with MitraClip resulted in significant clinical improvements in a high proportion of TRAMI patients after 12 months. In the TRAMI cohort, the failure of procedural success exhibited the highest hazard ratio concerning the prediction of 1-year mortality.

Dataset Information

MitraClip-data analysis of contemporary literature.

Publications

MitraClip-data analysis of contemporary literature.

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