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目的探讨运动诱发试验对周期性麻痹的诊断价值。方法对试验组18例周期性麻痹患者及对照组20名健康人进行运动诱发试验测定。结果运动后,对照组波幅迅速增高(13.10%±5.27%),此后波幅逐渐同落井低于基线(20.90%±5.49%),在20 min 内开始回复。试验绀波幅迅速增高(20.56%±23.44%),随后逐渐减低(48.94%±22.20%)并持续不缓解。试验组波幅减低率显著大于对照绀(P=0.000);波幅增高率与对照组比较差异无统计学意义(P=0.174)。试验组的检查18例中14例异常,运动试验前18例中有6例确诊,运动试验后增加为15例。结论运动诱发试验是周期性麻痹很好的辅助诊断方法。
Objective To investigate the diagnostic value of exercise-induced test on periodic paralysis. Methods Eighteen patients with periodic paralysis in the experimental group and 20 healthy persons in the control group were measured by exercise-induced test. Results After exercise, the amplitude of the control group increased rapidly (13.10% ± 5.27%). After that, the amplitude of the control group was gradually lower than the baseline (20.90% ± 5.49%) and started to recover within 20 minutes. The amplitude of test cyanosis rapidly increased (20.56% ± 23.44%), then decreased gradually (48.94% ± 22.20%) and continued to not relieve. The rate of decrease of amplitude in the experimental group was significantly higher than that of the control group (P = 0.000). There was no significant difference in the amplitude of increase between the two groups (P = 0.174). In the test group, 14 cases were abnormal in 18 cases, 6 cases in 18 cases before exercise test and 15 cases in exercise test. Conclusion Exercise induced test is a good auxiliary diagnosis of periodic paralysis.