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目的 分析直立倾斜试验阳性与不明原因晕厥患儿临床特征的关系。方法 对 47例不明原因晕厥患儿 ,根据其直立倾斜试验的结果分为二组 :直立倾斜试验阳性组和阴性组 ,将其临床特征进行对比分析研究 ,并对其各个临床特征与直立倾斜试验的结果进行Logistic回归分析。 结果 不明原因晕厥患儿的性别、年龄、有无晕厥诱因及有无晕厥先兆对直立倾斜试验的结果有影响 ,根据Logistic回归分析 ,对直立倾斜试验结果有显著影响的因素依次为晕厥诱因、晕厥先兆和年龄。结论 对于发生于青春期女孩不明原因的晕厥 ,而患儿又有较明确的晕厥诱因和晕厥先兆者 ,其直立倾斜试验阳性的可能性较大 ,临床可诊断为血管迷走性晕厥。
Objective To analyze the relationship between the positive tilt-tilt test and clinical features in children with unexplained syncope. Methods 47 cases of children with unexplained syncope were divided into two groups according to the results of their upright tilt test: the positive and negative groups of upright tilt test. The clinical features were compared and analyzed. The clinical features of each group were compared with the orthostatic tilt test Results Logistic regression analysis. Results unexplained syncope in children with sex, age, whether the cause of syncope and whether the precursor syncope had an impact on the results of the tilt test, according to Logistic regression analysis, the factors that significantly affect the tilt test results were the causes of syncope, syncope Aura and age. Conclusion For children with unexplained syncope in adolescence, and children with a more clear cause of syncope and faint syncope, the positive tilt test is more likely to be clinically diagnosed as vasovagal syncope.