PMBVPercutaneous Mitral Balloon Valvuloplasty
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Mitral stenosis was graded as severe when mitral valve area was 1.0-1.5 cmA2 and very severe when mitral valve area was 7mm Hg from baseline after PMBV was taken as improvement, estimated by continuous wave Doppler echocardiography using the modified Bernoulli equation [4x (peak tricuspid regurgitant jet velocity)2] and 10 mmHg was added for the estimated right atrial pressure.
The procedure (PMBV) was performed by an experienced cardiologist through femoral vein under local anesthesia.
Pre and post PMBV mitral valve area and pulmonary artery pressure were compared by applying paired sample t-test and p value of 0.05 were taken as significant.
Table 3: Outcomes after three months of PMBV in mitral stenosis patients.
Percutaneous mitral balloon valvotomy (PMBV) has long been considered as the first line therapy for patients with mitral stenosis.
Another important predictor of successful PMBV in patients with mitral stenosis was improvement in pulmonary artery (PA) pressure.
Yontemler: Bu retrospektif kohort calismada Ocak 2000-Mart 2004 tarihleri arasinda Turkiye Yuksek Ihtisas Hastanesi, Kardiyoloji Kliniginde, PMBV uygulanan 311 hasta, akut sonuc1ar ve primer son noktalar [olum, yeniden PMBV, mitral kapak replasmam (MKR)] yonunden degerlendirildi.
Sonuc: Tek merkezde PMBV uygulanan hastalarin uzun donem verileri dikkate alindiginda yalnizca islem sonrasi akut MKA'nin uzun donem sonuclarla iliskili oldugu gorulmustur.
Percutaneous mitral balloon valvuloplasty (PMBV) has been developed as an alternative modality to surgical closed commissurotomy for mitral stenosis (MS)(1), and excellent hemodynamic improvement with favorable outcome has been reported by many investigators (2-11).
In addition, cumulative clinical experience shows that restenosis and late functional deterioration developing 5 years after PMBV can be potentially important clinical dilemma, especially when discussing indications for PMBV (9).
The purpose of this study was to determine the acute and long-term clinical and echocardiographic results of consecutive patients who underwent PMBV at a single institution.
In this single-center study, we retrospectively evaluated consecutive 311 patients (66 male and 245 female with a mean age of 36.2[+ or -]9.7 years) who underwent PMBV in our Cardiology Clinic, Turkiye Yuksek Ihtisas Education and Research Hospital for symptomatic moderate or severe MS between January 2000 and March 2004.