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G Ital Cardiol. 1997 Apr;27(4):357-62.

[Percutaneous mitral valvuloplasty in mitral restinosis after surgical commissurotomy].

[Article in Italian]

Author information

1
Cattedra di Cardiologia, Servizio di Emodinamica, Università di Padova.

Abstract

The frequency of mitral restenosis after surgical commissurotomy has been estimated between 10 and 30% up to 10 years and 85% up to 28 years. Aim of this study was to analyze the results of balloon mitral valvuloplasty (BMV) in a series of patients with previous surgical commissurotomy.

METHODS:

Between December 1988 and December 1995 432 patients underwent BMV. Of these patients, 30 (6.9%; 10 men, 20 women, aged 53 +/- 12 years) had recurrent mitral stenosis after surgical commissurotomy. Contraindications to BMV were the evidence of left atrial thrombi at transesophageal echocardiography and/or of mitral insufficiency > 2+/4+. The Inoue's single balloon catheter was used for all the procedures.

RESULTS:

BMV resulted in a decrease in mean mitral gradient from 12.6 +/- 3.8 to 6.1 +/- 2.9 mmHg, and an increase in mitral valve area from 1.03 +/- 0.19 cm2 to 1.95 +/- 0.40 cm2. A mitral insufficiency > or = 3+/4+ occurred in 4/30 BMV (13%). At follow-up (mean 27 +/- 18 months) 20/26 patients (77%) remained clinically improved: 54% were in NYHA class I and 23% in class II.

CONCLUSIONS:

BMV is an effective short- and long-term procedure for patients with previous surgical commissurotomy, with a low additional risk of complications. Thus, BMV can be considered the treatment of choice in these patients.

PMID:
9244740
[Indexed for MEDLINE]

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