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目的 分析血管迷走性晕厥患者的临床特点，探讨其晕厥前是否有晕厥先兆的影响因素。 方法 回顾性纳入2017年1月—2022年6月首都医科大学附属北京天坛医院诊治的血管迷走性晕厥患者为研究对象。采集其一般资料、直立倾斜试验结果及血流动力学指标，采用多因素logistic回归分析探讨患者发生晕厥先兆的影响因素。 结果 研究共纳入血管迷走性晕厥患者1211例。根据其发生晕厥前是否有先兆症状进行分组，其中无先兆组582例（48.06%），有先兆组629例（51.94%）。有先兆组患者的年龄（t=6.006，P

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