Abstract

Abstract Background Selection of patients who benefit from percutaneous mitral valve repair (PMVR) is challenging. We used the multidimensional prognostic index (MPI) to evaluate patients' prognosis. Methods We conducted a prospective observational single centre study, including patients who did undergo PMVR from 11/2017 to 07/2018. MPI score was used for geriatric assessment and calculated from 63 separate items distributed in eight domains including instrumental activities of daily living, mental status, nutrition, risk of pressure ulcers, comorbidity, medication and marital/cohabitation status. Results 82 patients were included. Mean MPI-Score was 0.22±0.21. 41 patients (50%) belonged to MPI-1 group (low risk), 37 (45.1%) to MPI-2 group (medium risk) und 4 patients (4.9%) to MPI-3 group (high risk). Due to the low number of patients in MPI-3 group, MPI-2 group and MPI-3 group were combined for statistical analysis. Baseline characteristics, functional assessment and outcome of patients are shown in Table1. During follow-up 4 patients died. All of these belonged to the higher risk group MPI 2/3. Table1 MPI 1 MPI 2+3 p value Age 73.2±8.8 78.9±7.6 0.002 6 min walk 303±107 175±122 <0.001 EuroScore II (%) 6.61±7.24 7.6±5.55 0.49 EF (%) 43.7±17.2 39.4±15.6 0.36 NT-pro BNP 4611±5413 6045±12670 0.54 Diabetes 7 (17.1) 16 (39) 0.027 Coronary artery disease 25 (61) 26 (63.4) 0.82 Arterial hypertension 26 (63.4) 31 (75.6) 0.23 Barthel index baseline 98±4 80±24 <0.001 Barthel index 30 days 97±5 82±24 <0.001 MLWHFQ baseline 45.7±20.9 49.1±14.5 0.39 MLWHFQ 30 days 38.4±25 34.7±18.2 0.53 ICU stay (days) 1.7±1.2 3.9±7.4 0.069 Death at 30 days 0 4 (10.5) 0.033 Conclusion The MPI score is associated with age and impaired functional capacity at baseline but not with traditional cardiovascular prognostic markers. Thus, MPI may provide additional prognostic information on mortality and functional outcome of patients beyond established risk scores.

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