Prevalence of Congenital Heart Disease at Extremely High Altitudes in Tibet and the Establishment of a New Free Treatment Model

• DOI: 10.32604/chd.2022.018657
• Publication Date: 2022-07-28T07:38:25Z
• Authors: Shuting Chang; Guanzhao Zhang; Nengjun Sun; Xinpeng Yuan; Qingting Wang; Lin Zhu; Feiyue Zhang; Yu Xiu; Yang Dong; Yonghong Chen; Zhanpeng Zhao; Xiao Liu; Qiang Shao; Xiaofeng Xu; Anshun Wang; Mengjiao Li; Bo Li
• Keywords: 03 medical and health sciences; 0302 clinical medicine

Background: This study aimed to illustrate the prevalence of CHD by screening children in extremely high-altitude areas (over 4000 m even 5000 above sea level) and explore an aid model for early diagnosis treatment Tibetan population. Methods: A total 2242 students from different schools Ngamring County, Xigaze city, Tibet September 2019 2020 were selected screening. The examined through inquiry their current medical history family history, cardiac auscultation a physical examination, order screen out suspected cases CHD, then confirmed color ultrasound examinations. After that, positive patients be transferred Shandong Province free treatment. Results: among County was 3.70% (83 cases), which is highest incidence rate ever reported. most common type patent ductus arteriosus (PDA), accounting 55.42% number screened, followed atrial septal defect (ASD) ventricular (VSD), 28.92% 12.05%, respectively. at high altitude significantly higher than that low altitude. with surgery, operations successful recoveries went well. Conclusions: results show closely related much previous reports.