目的 探究腹主动脉瘤修复术围手术期心电图J波与恶性心律失常发生风险。方法 选取2020年1月—2024年8月期间收治的拟行腹主动脉瘤修复术患者80例,基于患者是否出现心电图J波进行分组,设置为观察组（出现J波, n=44）和对照组（未出现J波, n=36）。对两组患者发生恶性心率失常情况进行分析。结果 本研究纳入的80例腹主动脉瘤患者均成功完成手术,其中观察组共有12例患者发生恶性心律失常,对照组共有2例患者发生恶性心律失常,两组患者恶性心律失常发生率比较,差异有统计学意义（27.27% vs 5.56%; χ²=6.468, P=0.011）;基于观察组患者心电图J波情况分为J波较大亚组（n=29）与J波较小亚组（n=15）,亚组间恶性心律失常发生情况未见统计学差异（34.83% vs 13.33%; χ²=1.291, P=0.256）。结论 腹主动脉瘤修复术围手术期患者发生恶性心律失常的风险较高,且本次研究结果表明心电图J波与恶性心律失常发生风险存在潜在联系。
Objective To investigate the risk of malignant arrhythmia during the perioperative period of abdominal aortic aneurysm repair surgery using electrocardiogram J waves. Methods Eighty patients who were scheduled to undergo abdominal aortic aneurysm repair surgery between January 2020 and August 2024 were selected and grouped based on whether they had J waves on their electrocardiogram： an observation group （with J waves on the electrocardiogram, n=44） and a control group （without J waves on the electrocardiogram, n=36）. The occurrence of malignant arrhythmia in the two groups of patients were analyzed. Result The included 80 abdominal aortic aneurysm patients successfully completed surgery. Among them, 12 patients in the observation group experienced malignant arrhythmia, while 2 patients in the control group did. There was a statistically significant difference in the incidence of malignant arrhythmia between the two groups （27.27% vs. 5.56%, χ²=6.468, P=0.011）. Based on electrocardiogram, the patients in the observation group were divided into a large J wave subgroup （n=29） and a small J wave subgroup （n=15）, and there was no statistically significant difference in the incidence of malignant arrhythmia between the subgroups （34.83% vs. 13.33%, χ²=1.291, P=0.256）. Conclusion Patients undergoing abdominal aortic aneurysm repair surgery have a high risk of developing malignant arrhythmia during the perioperative period, and there is a potential association between electrocardiogram J waves and the risk of malignant arrhythmia.
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