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目的 采用计算机分析系统对胎心率图形中短变异和人工判读标准中长变异的各分型间的关系进行比较 ,并探讨短变异预测围生儿预后的价值。方法 分析了 2 0 0 1年 12月至 2 0 0 2年 9月 3 0 10份胎心率图型中 ,长变异各型相对应的短变异数值 ,及不同的短变异组围生儿不良预后的发生率。结果 短变异与长变异的各型之间呈正相关 ,短变异小于 4 0ms组的围生儿预后不良的发生率显著高于短变异大于 5 0ms组 (P =0 0 3 9)。结论 计算机分析的短变异是反映胎心率基线变异的一个重要参数 ,对预测围生儿预后有重要价值
OBJECTIVE: To compare the relationship between short variations in fetal heart rate (HRV) patterns and mid-long variations of artificial criteria by using computer analysis system and explore the value of short variation in predicting perinatal outcome. Methods The short-term variability of the long-term variability in 30 0 fetal heart rate patterns from December 2001 to September 2002 was analyzed and the prevalence of perinatal malformation The incidence of prognosis. The results showed that there was a positive correlation between the short variant and long variant. The incidence of poor prognosis of perinatal children with short variation less than 4 0ms was significantly higher than that with short variation greater than 5 0ms (P = 0.039). Conclusion The short variation in computer analysis is an important parameter to reflect the baseline variation of fetal heart rate, which is of great value in predicting the prognosis of perinatal children