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Kazem Babazadeh, Akbar Shahmohammadi, Mohammad Yousef Arabi, Paridokht Nokhostin Davari, Mahmood Meraji,
Volume 33, Issue 3 (Autumn 2010)
Abstract

Abstract Background: Balloon valvuloplasty uses for treatment of aortic stenosis from 20 years ago. Regarding loss of information about results of balloon valvuloplasty of hereditary aortic stenosis, this study was done to determine prognosis and complication of balloon valvuloplasty during last 10 years. Methods: This study was done on existing data of all children with hereditary aortic stenosis that underwent balloon valvuloplasty during last 10 years. Age, sex, frequency of balloon valvuloplasty, left ventricular pressure before and after valvuloplasty, pressure gradient before and after valvuloplasty, severity of aortic insufficiency before and after valvuloplasty, frequency of replacement of aortic valve and mortality immediately and 1 year after procedure were gathered. 10-year period was divided to two 5-year periods and patients were compared among these two groups. Results: Left ventricular pressure from 172.5±19.02 mmHg before valvuloplasty reached to 136±23.2 mmHg after valvuloplasty (p<0.0001). Pressure gradient was 37±13.5 mmHg with catheterism and 42.6±11.5 with echocardiography after valvulopasty (p<0.0001). Maximum and mean gradient pressure was 42.6±11.5 mmHg and 24±7.3 mmHg, respectively, immediately after vavuloplasty that reached to 51.2±11.8 mmHg and 28.5±7.6 mmHg, respectively, after one year. 2 patients (1%) died after valvuloplasty. Conclusion: It seems that balloon valvuloplasty of aortic stenosis is a relatively safe procedure, if it is done by expert physician and proper tools. Keywords: Aortic valve stenosis, Aortic insufficiency, Balloon valvuloplasty, Mortality.

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