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目的:了解扩张型心肌病(DCM)患者节段性室壁运动异常(SWMA)现象,并研究SWMA对DCM患者预后的影响。方法:收集明确诊断的DCM患者75例。经过心脏彩超检查分为普遍运动减弱(GH)组(39例)和SWMA组(36例)。通过随访比较2组预后的差异。结果:与GH组相比,SWMA组左室扩大更明显[左室舒张末期内径:(72±6)∶(68±5)mm,P<0.01],心功能减退更严重[左室射血分数:(31±6)%∶(36±5)%,P<0.01];SWMA者与GH者比较,无心脏事件累积生存率差异有统计学意义(P<0.01);SWMA是DCM患者预后的独立危险因素。结论:DCM可以引起SWMA,SWMA是DCM患者预后不良的指标之一。
Objective: To investigate the phenomenon of segmental wall motion abnormalities (SWMA) in patients with dilated cardiomyopathy (DCM) and to investigate the effect of SWMA on the prognosis of patients with DCM. Methods: A total of 75 patients with definite diagnosis of DCM were collected. After color Doppler ultrasound examination was divided into generalized exercise weakening (GH) group (39 cases) and SWMA group (36 cases). Follow-up comparison of the difference between the two groups. Results: Compared with GH group, the left ventricular enlargement was more obvious in SWMA group (LVDD: (72 ± 6): (68 ± 5) mm, P <0.01], and more severe hypogonadism (31 ± 6)%: (36 ± 5)%, P <0.01]. There was no significant difference in cumulative survival rate of cardiac events between SWMA and GH patients (P <0.01). SWMA was the prognosis of patients with DCM Of independent risk factors. Conclusion: DCM can cause SWMA, SWMA is one of the indicators of poor prognosis in patients with DCM.