Pulmonary Valve Pressure Gradient in Pulmonary Stenosis: Before and After Balloon Valvuloplasty

Abstract

Pulmonary valve stenosis is common among other congenital heart diseases. The need to treat the stenosis was based on the presence of symptomatic signs. Balloon valvuloplasty is commonly used because it is less invasive than surgery. However, the study about decreased pressure gradient in pulmonary stenosis after balloon valvuloplasty was still limited. Thus, this article review aimed to see how much the reduction of pressure gradient after balloon valvuloplasty in pulmonary stenosis. The search engine used in this study was PubMed, then the articles were selected according to PICO (population, intervention, comparison, and outcomes). Only articles containing data about patients with pulmonary stenosis who underwent balloon valvuloplasty and comparing before and after mean pressure gradients to see the outcomes after balloon valvuloplasty was included in this literature review. The mean of pressure gradient from all the data before treatment was grouped into <50mmHg, 50 - 80 mmHg, >80 mmHg, then we combined the mean, and the result was 42.28 mmHg 77.43 mmHg 92.62 mmHg, respectively. The mean after treatment was also grouped into <50mmHg, 50 – 80 mmHg, >80 mmHg, and the result were 12.96mmHg 26.78mmHg 30.65mmHg, respectively. The reduction in gradient pressure was more than 50% in all groups. Thus, balloon valvuloplasty is an efficient treatment for pulmonary stenosis.