1.Clinical efficacy analysis of percutaneous balloon pulmonary valvuloplasty for pulmonary valve stenosis guided by ultrasound
Bao SUN ; Duan CHENG ; Bo LI ; Guibao HE ; Haifeng WANG ; Ahathi ; Elias ; Xi SHENG ; Jinpeng LI
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery 2020;27(12):1418-1422
Objective To analyze the efficacy and safety of percutaneous balloon pulmonary valvuloplasty (PBPV) for pulmonary valve stenosis guided by ultrasound. Methods From March 2016 to July 2019, 32 patients with pulmonary valve stenosis were treated in our hospital. There were 19 males and 13 females with an average age of 1-12 (6.2±3.1) years and weight of 7-45 (22.7±9.2) kg. The clinical efficacy of PBPV guided by transthoracic echocardiography (TTE) was evaluated. Results The transvalvular pressure gradient (PG) of the patients before PBPV was 65.4±11.9 mm Hg. All patients successfully received PBPV under TTE guidance. The PG was 19.7±4.0 mm Hg immediately after operation, which was significantly decreased (P<0.001). All patients survived without any serious complications. The PG values at 3 months, 6 months and 12 months after operation were 18.4±4.0 mm Hg, 16.4±3.9 mm Hg, 15.2±3.3 mm Hg, respectively, which were significantly lower than that before the operation (P<0.001). Conclusion PBPV guided by echocardiography is safe and effective in the treatment of pulmonary valve stenosis with low complications rate.
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