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目的探讨老年人及非老年人胸部恶性肿瘤患者调强放射治疗(IMRT)前、中、后常规心电图(ECG)和动态心电图(AECG)的异常检出率有何不同;探讨两组间患者在IMRT后ECG、AECG异常检出率是否一致。方法选择90例胸部恶性肿瘤IMRT的患者,于IMRT前、中、后进行ECG及AECG检查,按年龄≥60岁及<60岁分为老年组及非老年组,比较两组间前、中、后ECG、AECG的异常检出率情况,并对两组间在IMRT后ECG、AECG异常检出率进行比较。结果 ECG异常检出率在老年组与非老年组胸部肿瘤患者在IMRT前、中、后均无明显统计学差异(P>0.05);AECG异常检出率在IMRT前两组间无明显统计学意义(P>0.05),但老年组IMRT中及IMRT后异常检出率均高于非老年组(P<0.05);老年组与非老年组间在IMRT后AECG异常检出率均高于ECG异常检出率(P<0.05)。结论对于IMRT患者特别是老年患者均应进行AECG检测,以期早期发现RIHD并及时进行干预。
Objective To investigate the differences of the abnormal detection rates of conventional electrocardiogram (ECG) and dynamic electrocardiogram (AECG) before, during and after IMRT in elderly patients and non-elderly patients with thoracic malignant tumors. IMRT ECG, AECG anomaly detection rate is the same. Methods Ninety patients with IMRT of thoracic malignant tumor were enrolled in this study. ECG and AECG were performed before, during and after IMRT. The patients were divided into the elderly group and the non-elderly group according to the age of 60 and 60 years old. After ECG, AECG abnormal detection rate, and between the two groups after IMRT ECG, AECG abnormal detection rate were compared. Results There was no significant difference in the detection rate of ECG anomaly between the elderly and non-elderly patients with thoracic tumor before, during and after IMRT (P> 0.05). The detection rate of AECG was no significant difference between the two groups before IMRT (P> 0.05). However, the detection rate of abnormalities in IMRT and IMRT in elderly group were higher than those in non-elderly group (P <0.05). The detection rate of AECG abnormality in IMRT group was higher than that in ECG group Abnormal detection rate (P <0.05). Conclusions The AECG test should be performed on patients with IMRT, especially in the elderly, in order to detect RIHD early and make timely intervention.