OUTCOME OF BALLOON PULMONIC VALVULOPLASTY WITH 18 MONTHS FOLLOW UP
AbstractObjective: To determine the immediate and intermediate term outcome of balloon pulmonicvalvuloplasty by echocardiography. Methods: This study was conducted in the Department ofCardiology Postgraduate Medical Institute Lady Reading Hospital (LRH), Peshawar from July 1999 toJanuary 2003. Patients with severe pulmonic valve stenosis who underwent balloon pulmonicvalvuloplasty during this period were included in the study. Forty Patients fulfilling the study inclusioncriteria were followed up to 18 months by two dimensional and Doppler echocardiographicexaminations at 6 months interval. Patients with dysplastic valve leaflets or for whom 18 months followup data was not available were excluded from the study. Echocardiographic data was collectedprospectively. Echocardiographic hemodynamic data was analysed initially and at all three follow upvisits, using descriptive statistics and paired t-test. Results: Total 64 balloon pulmonic valvuloplastyprocedures were performed during this period. Forty patients fulfilled the study inclusion criteria andthe remaining 24 patients were excluded from the study. Mean age of the patients was 13.05±8.22years, ranging from 1–33 years. Pre-peak pulmonic valve gradient reduced from 100.9±29.20 mmHg to31.38±15.99 mmHg (p<0.0001) immediately after balloon pulmonic valvuloplasty. Pulmonic valvegradient at day 1 (31.38±15.99) reduced significantly at 18 months (18.88±10.24) (p<0.0001).Complication encountered during the procedure was transient ventricular tachycardia or multiplepremature ventricular contractions. Conclusion: Balloon pulmonic valvuloplasty is safe and effectivein reducing pulmonic valve gradient acutely and the benefit persists till 18 months. Further fall inpulmonic valve gradient is seen in intermediate term follow up.Keywords: Pulmonic valve stenosis, balloon pulmonic valvuloplasty
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