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目的 探讨影响极低出生体重儿存活率及病死率的相关因素。方法 对 1 999年 1月～ 2 0 0 1年 6月收治的69例极低出生体重儿进行回顾性分析 ,总结其临床特点及诊治经验。结果 69例患儿中有 56例存活出院 ,存活率达 81 .2 % ;9例死亡 ,病死率为 1 3 .0 % ,主要死亡原因为重度硬肿、肺出血及呼吸窘迫综合征 ;胎龄大于 32周的患儿病死率明显低于胎龄小于 32周者 ,而出生体重与病死率之间无明显相关性。结论 加强围产保健、及时保暖、合理用药及适时喂养均有利于极低出生体重儿存活率的提高
Objective To explore the factors that affect the survival rate and mortality of very low birth weight infants. Methods A retrospective analysis of 69 cases of very low birth weight infants admitted between January 1999 and June 2001 was conducted. The clinical features and diagnosis and treatment experience were summarized. Results Of the 69 cases, 56 patients survived and were discharged, with a survival rate of 81.2%. Nine patients died with a mortality rate of 13.0%. The main causes of death were severe edema, pulmonary hemorrhage and respiratory distress syndrome. The case fatality rate of children older than 32 weeks was obviously lower than that of gestational age less than 32 weeks, but there was no significant correlation between birth weight and case fatality rate. Conclusion Enhancing perinatal health care, keeping warm in time, using medicine rationally and timely feeding are all conducive to the improvement of the survival rate of very low birth weight infants