Transcatheter Tricuspid Valve Edge-to-edge Repair After a Heart Transplant: a Single-centre Experience with a Novel Therapy†

Overview

Journal Eur J Cardiothorac Surg

Publisher Oxford University Press

Specialties Cardiology & Vascular Diseases
General Surgery
Pulmonary Medicine

Date 2023 May 31

PMID 37255327

Authors

Tillmann Kerbel

Keziban Uyanik-Unal

Markus Mach

Anna Bartunek

Johannes Gokler

Emilio Osorio

Philipp Bartko

Andreas Zuckermann

Martin Andreas

Affiliations

Soon will be listed here.

Abstract

Objectives: Tricuspid regurgitation (TR) in patients who had heart transplants is associated with poor outcome. The increased risk for surgical and postoperative complications might be reduced in these vulnerable patients by transcatheter therapies.

Methods: All patients with a prior heart transplant (HTX) undergoing transcatheter edge-to-edge repair in the tricuspid position (T-TEER) were prospectively enrolled in an institutional registry.

Results: Seven patients who had heart transplants (5/7 female) at a mean age of 53 [48; 64] and median TRI-SCORE of 14 [7; 22] underwent T-TEER to treat symptomatic TR ≥ IV in an elective (n = 6) and urgent (n = 1) setting, respectively. The median time from HTX to T-TEER was 13 years. A total of 2 (n = 4) and 3 (n = 3) clips were implanted with a technical success in 6/7 (one single- device detachment). TR reduction was effective and durable within a median echocardiographic follow-up time of 10 months (TR baseline vs last follow-up: P = 0.03). Further, significant right ventricular remodelling (right ventricular end-diastolic diameter: 50 mm-36 mm, P = 0.02), decrease in the inferior vena cava diameter (24 mm-18 mm, P = 0.04) and in the gamma-glutamyl-transferase (255 U/l-159 U/l, P = 0.04) was found. Four of 7 patients were free of cardiovascular death (n = 1, 267 days after T-TEER), cardiac redo surgery (n = 1) and heart failure hospitalization (n = 2) and had no further clinical signs of right heart failure.

Conclusions: T-TEER after HTX is feasible and effective regarding TR reduction in a short-term follow-up. The initial results may pave the way for a novel approach in TR management in patients having HTX.

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