期刊
ESC HEART FAILURE
卷 7, 期 6, 页码 4071-4079出版社
WILEY PERIODICALS, INC
DOI: 10.1002/ehf2.13018
关键词
Mitral regurgitation; Transcatheter mitral valve repair; MitraClip; Pulmonary hypertension; Heart failure
Aims: We evaluated the impact of MitraClip on systolic pulmonary artery pressure (sPAP) and the effects of baseline sPAP on outcomes. Methods and results: In a cohort of patients who underwent MitraClip implantation, three groups were defined according to pre-procedure sPAP levels. Clinical and echocardiographic data were compared. The study included 177 patients: 59 had severe pulmonary hypertension (PHT), 96 had mild to moderate PHT, and 22 had no PHT. In patients with pre-existing severe PHT, sPAP was reduced from 70.8 +/- 9.2 to 56.8 +/- 13.7 mmHg (P < 0.001), sPAP remained unchanged in patients with mild to moderate PHT but was significantly increased from 30.8 +/- 4.3 to 38.6 +/- 8.3 mmHg in the no-PHT group (P < 0.001). Improvement of sPAP was observed in 77% of severe PHT group, while worsening of sPAP was more common among patients with no-PHT [57% compared with 33% among the mild to moderate PHT and 7% in the severe PHT group, respectively, (P < 0.001)]. One year survival was similar among the study groups. Conclusions: MitraClip decreases PHT among patients with severe PHT. A concerning finding is that most patients with no-PHT increase their sPAP.
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