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Original Article
Published online: 2021-04-23
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The impact of tricuspid annular geometry on outcome after percutaneous edge-to-edge repair for severe tricuspid regurgitation

Sylvia Otto, Marija Velichkov, Ali Hamadanchi, P. Christian Schulze, Sven Möbius-Winkler
DOI: 10.5603/CJ.a2021.0046
·
Pubmed: 33942279

open access

Ahead of print
Original articles
Published online: 2021-04-23

Abstract

Background: Percutaneous tricuspid repair using the edge-to-edge technique is a novel treatment option. More data are needed to better understand which aspects predict a favorable outcome

Methods: Twenty high-risk patients (78.6 ± 8.3 years, EUROScore II 9.1 ± 7.7%, STS score 8.8 ± 4.3) with severe symptomatic tricuspid regurgitation (TR) were treated with the MitraClip® system. All patients underwent standardized pre-, peri-, and post-procedural evaluation. Acute success was defined as successful edge-to-edge repair with TR reduction of ≥ 1 grade and survival until hospital discharge.

Results: Fifteen (75%) patients showed acute success until discharge and 12 (60%) at 30-day follow-up. In 5 (25%) patients repair failed due to either unsuccessful clip implantation (n = 2), single leaflet device attachment (n = 1), TR reduction < 1 grade (n = 1), or in-hospital death (n = 1). Comparing patients with successful procedure versus those with failed repair revealed similar comorbidities but more severe right heart failure, lower left ventricular ejection fraction, worse renal function, and higher diuretic equivalent doses in the failed repair group. No differences in conventional echocardiographic parameters for TR severity but more dilated tricuspid annulus geometry (tricuspid valve [TV] annulus, coaptation depth, tenting area) in the failed repair group were observed. The success rate of non-central/non-anteroseptal jet location was only 25%.

Conclusions: Tricuspid annulus geometry assessment may be of crucial importance and seems to impact procedural outcomes in patients undergoing edge-to-edge TV repair. Further investigations including advanced imaging are needed to better understand and treat this complex valve disease.

Abstract

Background: Percutaneous tricuspid repair using the edge-to-edge technique is a novel treatment option. More data are needed to better understand which aspects predict a favorable outcome

Methods: Twenty high-risk patients (78.6 ± 8.3 years, EUROScore II 9.1 ± 7.7%, STS score 8.8 ± 4.3) with severe symptomatic tricuspid regurgitation (TR) were treated with the MitraClip® system. All patients underwent standardized pre-, peri-, and post-procedural evaluation. Acute success was defined as successful edge-to-edge repair with TR reduction of ≥ 1 grade and survival until hospital discharge.

Results: Fifteen (75%) patients showed acute success until discharge and 12 (60%) at 30-day follow-up. In 5 (25%) patients repair failed due to either unsuccessful clip implantation (n = 2), single leaflet device attachment (n = 1), TR reduction < 1 grade (n = 1), or in-hospital death (n = 1). Comparing patients with successful procedure versus those with failed repair revealed similar comorbidities but more severe right heart failure, lower left ventricular ejection fraction, worse renal function, and higher diuretic equivalent doses in the failed repair group. No differences in conventional echocardiographic parameters for TR severity but more dilated tricuspid annulus geometry (tricuspid valve [TV] annulus, coaptation depth, tenting area) in the failed repair group were observed. The success rate of non-central/non-anteroseptal jet location was only 25%.

Conclusions: Tricuspid annulus geometry assessment may be of crucial importance and seems to impact procedural outcomes in patients undergoing edge-to-edge TV repair. Further investigations including advanced imaging are needed to better understand and treat this complex valve disease.

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Keywords

tricuspid regurgitation, percutaneous repair, transcatheter treatment, edge-to-edge technique, echocardiography

About this article
Title

The impact of tricuspid annular geometry on outcome after percutaneous edge-to-edge repair for severe tricuspid regurgitation

Journal

Cardiology Journal

Issue

Ahead of print

Article type

Original Article

Published online

2021-04-23

DOI

10.5603/CJ.a2021.0046

Pubmed

33942279

Keywords

tricuspid regurgitation
percutaneous repair
transcatheter treatment
edge-to-edge technique
echocardiography

Authors

Sylvia Otto
Marija Velichkov
Ali Hamadanchi
P. Christian Schulze
Sven Möbius-Winkler

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