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为了观察先天性室间隔缺损(室缺)患儿术后心脏储备功能的恢复情况,应用多普勒超声心动图多巴酚丁胺负荷心功能检查对32例室缺患儿术后10天、3月、6月的心脏储备功能进行观察。结果各室缺组术后静息心功能基本正常;负荷心功能除小室缺组无明显降低外,其它各组均以术后10天时最低,以后逐渐恢复,中室缺组术后6月时恢复正常,而大室缺组及室缺肺高压组术后6月时仍低于对照组。提示中小室缺患儿术后心脏储备功能恢复良好,而缺损大或伴肺高压者难以迅速恢复正常。
In order to observe the recovery of postoperative cardiac reserve in children with congenital ventricular septal defect (ventricular septal defect), Doppler echocardiographic dobutamine stress cardiography was used to detect 32 cases of ventricular septal defect after 10 days, March, June cardiac reserve function was observed. Results Resting heart function was normal in each room-deficient group. The load-bearing heart function was the lowest in 10 days after operation, Returned to normal, while the large chamber and the lack of pulmonary hypertension group at 6 months after surgery is still lower than the control group. Prompt small room children with postoperative heart reserve function recovered well, and large defect or pulmonary hypertension can not quickly return to normal.