The Annals of thoracic surgery · 2019
Evolution of Tricuspid Regurgitation After Repair of Degenerative Mitral Regurgitation.
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Hage Ali, Hage Fadi, Jones Philip M, Manian Usha, Tzemos Nikolaos, Chu Michael W A
Аннотация
BACKGROUND: The fate of unrepaired tricuspid regurgitation (TR) after mitral valve repair for degenerative mitral regurgitation remains highly debated. The objective of this study was to examine the progress of unrepaired TR after mitral valve repair for degenerative mitral regurgitation, with a particular focus on comparing patients with moderate preoperative TR with those having none or mild preoperative TR.
METHODS: Between 2008 and 2018, 183 consecutive patients (mean age, 61 years [SD, 14]) with severe degenerative mitral regurgitation and less-than-severe TR underwent mitral valve repair alone without concomitant TR repair. They were prospectively followed for a median duration of 3.1 years (interquartile range, 1.6-5.5; maximal duration of 9.4 years).
RESULTS: At baseline 146 patients (80%) had none or mild TR; 37 patients (20%) had moderate TR. At follow-up 51 patients (30%) had improved TR compared with 28 patients (17%) who had worse TR. At 3 years postoperatively echocardiographic data were available for 82 of 183 patients: 70 (85%) had none or mild TR, 11 (13%) had moderate TR, and 1 (1.2%) had moderate to severe TR. In an exploratory multivariable analysis with limited statistical power, patients with moderate preoperative TR (vs those with none or mild TR) had an association with higher mortality (hazard ratio, 2.8; 95% confidence interval, 0.81-9.4; P = .11).
CONCLUSIONS: After mitral valve repair but without concomitant tricuspid valve repair, a number of patients had progression in their TR. There was a signal of harm in patients having moderate preoperative TR in terms of mortality, but this finding is exploratory and requires investigation.
METHODS: Between 2008 and 2018, 183 consecutive patients (mean age, 61 years [SD, 14]) with severe degenerative mitral regurgitation and less-than-severe TR underwent mitral valve repair alone without concomitant TR repair. They were prospectively followed for a median duration of 3.1 years (interquartile range, 1.6-5.5; maximal duration of 9.4 years).
RESULTS: At baseline 146 patients (80%) had none or mild TR; 37 patients (20%) had moderate TR. At follow-up 51 patients (30%) had improved TR compared with 28 patients (17%) who had worse TR. At 3 years postoperatively echocardiographic data were available for 82 of 183 patients: 70 (85%) had none or mild TR, 11 (13%) had moderate TR, and 1 (1.2%) had moderate to severe TR. In an exploratory multivariable analysis with limited statistical power, patients with moderate preoperative TR (vs those with none or mild TR) had an association with higher mortality (hazard ratio, 2.8; 95% confidence interval, 0.81-9.4; P = .11).
CONCLUSIONS: After mitral valve repair but without concomitant tricuspid valve repair, a number of patients had progression in their TR. There was a signal of harm in patients having moderate preoperative TR in terms of mortality, but this finding is exploratory and requires investigation.