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目的应用超声心动图评价左室功能在房间隔缺损(ASD)封堵治疗术后与随访中的变化。方法对该院成功实施经导管ASD封堵术且资料完整的36例患者进行研究。所有患者均于封堵治疗术前、术后3d、术后3个月及术后6个月行超声心动图检查,测量左室舒张末期内径(LVEDD)、左室舒张末期容积(LVEDV)、左室收缩末期容积(LVESV)、左室每搏量(LVSV)、左室射血分数(LVEF)和左室短轴缩短率(LVFS)。结果ASD封堵治疗术后,LVEDD和LVEDV明显增大,提示左室前负荷改善;LVESV轻度增加;LVSV、LVEF和LVFS显著增加,表明左室功能增强。LVESV在术后3个月和术后6个月随访时与术后3d比较无明显变化,左室前负荷和左室功能在随访中持续改善。结论ASD封堵治疗术能有效改善左室前负荷,改善左室功能,且在短、中期随访中左室前负荷及左室功能持续改善。
Objective To evaluate the changes of left ventricular function after follow-up of ASD occlusion by echocardiography. Methods The successful implementation of the hospital by catheterization of ASD closure and data integrity of 36 patients were studied. All patients underwent echocardiography before operation, 3 days after operation, 3 months after operation and 6 months after operation. Left ventricular end-diastolic diameter (LVEDD), left ventricular end-diastolic volume (LVEDV) Left ventricular end-systolic volume (LVESV), left ventricular stroke volume (LVSV), left ventricular ejection fraction (LVEF) and left ventricular fractional shortening (LVFS). Results After ASD occlusion, the LVEDD and LVEDV were significantly increased, suggesting that left ventricular preload was improved; LVESV was slightly increased; LVSV, LVEF and LVFS were significantly increased, indicating that left ventricular function was enhanced. There was no significant change in LVESV at 3 months postoperatively and 6 months postoperatively compared with postoperative 3d, and left ventricular preload and left ventricular function continued to improve at follow-up. Conclusion ASD occlusion therapy can effectively improve left ventricular preload and improve left ventricular function, and left ventricular preload and left ventricular function continue to improve in short and medium term follow-up.