Fate of Mitral Regurgitation after Transcatheter Closure of Atrial Septal Defect in Adults

Yoichi Takaya, Yasufumi Kijima, Teiji Akagi, Koji Nakagawa, Hiroki Oe, Manabu Taniguchi, Shunji Sano, Hiroshi Itoh

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Although the volume overload of pulmonary circulation improves after atrial septal defect (ASD) closure, the increasing left ventricular preload may contribute to mitral regurgitation (MR) deterioration. We aimed to evaluate the impact of MR after transcatheter ASD closure on clinical outcomes in adults. A total of 288 consecutive patients who underwent transcatheter ASD closure were enrolled. Changes in MR were assessed at 1 month after the procedure. The end point was defined as cardiovascular events. After the procedure, MR ameliorated in 3 patients and unchanged in 253, whereas MR deteriorated in 32. During a median follow-up of 24 months, patients with MR deterioration had no cardiovascular events, and the event-free survival rate was not different between patients with MR deterioration and those with MR amelioration or no-change (p = 0.355). Even in patients with MR deterioration, the New York Heart Association functional class improved after the procedure, with no cases of worsening functional class. Multivariate logistic regression analysis showed that MR deterioration was independently related to advanced age and female gender. The degree of enlargement of mitral valve annulus diameter after the procedure was greater in patients with MR deterioration than in those with MR amelioration or no-change, and it was correlated with the degree of MR deterioration. In conclusion, MR deterioration occurs in a minority of adult patients after transcatheter ASD closure; however, it is not linked with adverse outcomes. MR deterioration may be provoked by geometric changes in mitral valve annulus, especially in women with advanced age.

Original languageEnglish
Pages (from-to)458-462
Number of pages5
JournalAmerican Journal of Cardiology
Volume116
Issue number3
DOIs
Publication statusPublished - Aug 1 2015

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Atrial Heart Septal Defects
Mitral Valve Insufficiency
Mitral Valve
Pulmonary Circulation
Disease-Free Survival

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Medicine(all)

Cite this

Fate of Mitral Regurgitation after Transcatheter Closure of Atrial Septal Defect in Adults. / Takaya, Yoichi; Kijima, Yasufumi; Akagi, Teiji; Nakagawa, Koji; Oe, Hiroki; Taniguchi, Manabu; Sano, Shunji; Itoh, Hiroshi.

In: American Journal of Cardiology, Vol. 116, No. 3, 01.08.2015, p. 458-462.

Research output: Contribution to journalArticle

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