The STS score outperforms the logistic EuroSCORE in predicting adverse outcomes following TAVI. The transapical approach is associated with higher perioperative mortality, but does not exert any influence on long-term prognosis beyond the periprocedural phase.
Based on our center's experience, TAVI appears to be an effective and safe alternative to conventional surgery for AVR in patients with prior renal transplantation. Renal transplantation is not currently identified as a risk factor in our traditional scoring system, and may need to be considered independently when weighing alternatives for AVR.
Background
MitraClip ® (MC) is an established procedure for severe mitral regurgitation (MR) in patients deemed unsuitable for surgery.
Right ventricular dysfunction (RVD) is associated with a higher mortality risk. The prognostic accuracy of heart failure risk scores like the Seattle heart failure model (SHFM) and Meta-Analysis Global Group in Chronic Heart Failure (MAGGIC) score in pts undergoing MC with or without RVD has not been investigated so far.
Methods
SHFM and MAGGIC score were calculated retrospectively. RVD was determined as tricuspid annular plane systolic excursion (TAPSE) ≤15 mm. Area under receiver operating curves (AUROC) of SHFM and MAGGIC were performed for one-year all-cause mortality after MC.
Results
N = 103 pts with MR III° (73 ± 11 years, LVEF 37 ± 17%) underwent MC with a reduction of at least I° MR. One-year mortality was 28.2%.
In Kaplan-Meier analysis, one- year mortality was significantly higher in RVD-pts (34.8% vs 2.8%, p = 0.009).
Area under the Receiver Operating Characteristic (AUROC) for SHFM and MAGGIC were comparable for both scores (SHFM: 0.704, MAGGIC: 0.692). In pts without RVD, SHFM displayed a higher AUROC and therefore better diagnostic accuracy (SHFM: 0.776; MAGGIC: 0.551, p < 0.05). In pts with RVD, MAGGIC and SHFM displayed comparable AUROCs.
Conclusion
RVD is an important prognostic marker in pts undergoing MC. SHFM and MAGGIC displayed adequate over-all prognostic power in these pts. Accuracy differed in pts with and without RVD, indicating higher predictive power of the SHFM score in pts without RVD.
Introduction
Current studies suggest improved survival in patients with severe functional mitral regurgitation (FMR) treated successfully with the MitraClip (MC) compared to medical treatment alone, in addition to a significant reduction of FMR severity. Recently, the Carillon system (CS) has also been shown to significantly reduce FMR. However, whether this beneficial effect of CS also translates into a survival benefit comparable to the MC system has not been investigated so far. The aim of the study was to compare the course of FMR grade and mortality after MC or CS in a retrospective, non-randomized, single-center analysis.
Material and methods
A hundred and fifty-four patients with symptomatic FMR 2+ were included in this study (MC:
n
= 117, CS:
n
= 37). Baseline characteristics did not differ significantly between groups.
Results and conclusions
Initially, the degree of FMR was reduced in the MC group from 2.9 ±0.3 to 1.7 ±0.7 and from 2.7 ±0.5 to 2.1 ±0.7 in the CS group,
p
within and between groups < 0.01. Within 6 months, FMR remained reduced in the MC group (1.83 ±0.6) and CS group (2.1 ±0.7). One-year survival was 34.8% in the MC group and 54.8% in the CS group (
p
= 0.663). Median long-term survival was 1.66 years in the MC group and 3.92 years in the CS group, log rank
p
= 0.001.
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