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CRIB评分、CRIB-II评分、出生体重还是胎龄来评估极低出生体重儿的死亡风险?

CRIB, CRIB-II, birth weight or gestational age to assess mortality risk in very low birth weight infants?

作者信息

Bührer Christoph, Metze Boris, Obladen Michael

机构信息

Department of Neonatology, Charité University Medical Center, Campus Virchow-Klinikum, Berlin, Germany.

出版信息

Acta Paediatr. 2008 Jul;97(7):899-903. doi: 10.1111/j.1651-2227.2008.00793.x. Epub 2008 Apr 23.

Abstract

AIM

The mortality risk of very low birth weight (VLBW) (<1500 g) infants has been estimated by the Clinical Risk Index for Babies (CRIB). Superior discriminatory power has been claimed for the revised CRIB-II score based on birth weight, gestational age, sex, temperature and base excess (BE) at admission. This analysis compared the power of CRIB, CRIB-II, birth weight and gestational age to predict death prior to discharge.

METHODS

Of 1485 consecutive VLBW infants admitted between January 1, 1991 and December 31, 2006, who survived for >or=12 h, CRIB and CRIB-II calculations were possible in 1358 infants (92%). Predictive power of variables was assessed by comparing areas under receiver operator characteristics curves (AUC).

RESULTS

CRIB (AUC [95% confidence intervals] 0.82 [0.78-0.86]) performed significantly better than birth weight (0.74 [0.69-0.79]) or gestational age (0.71 [0.66-0.76]), while CRIB-II (0.69 [0.64-0.74]) was rather inferior to CRIB and did not differ significantly from birth weight or gestational age. No substantial changes were seen when substituting worst BE during the first 12 h of life for BE at admission when calculating CRIB-II.

CONCLUSIONS

CRIB-II does not result in improved estimation of mortality risk in VLBW infants as compared to CRIB, birth weight or gestational age.

摘要

目的

极低出生体重(VLBW,<1500克)婴儿的死亡风险已通过婴儿临床风险指数(CRIB)进行评估。基于出生体重、胎龄、性别、体温和入院时碱剩余(BE)的修订CRIB-II评分被认为具有更强的鉴别能力。本分析比较了CRIB、CRIB-II、出生体重和胎龄预测出院前死亡的能力。

方法

在1991年1月1日至2006年12月31日期间收治的1485例连续存活≥12小时的极低出生体重婴儿中,1358例(92%)婴儿可进行CRIB和CRIB-II计算。通过比较受试者操作特征曲线下面积(AUC)评估变量的预测能力。

结果

CRIB(AUC[95%置信区间]0.82[0.78 - 0.86])的表现显著优于出生体重(0.74[0.69 - 0.79])或胎龄(0.71[0.66 - 0.76]),而CRIB-II(0.69[0.64 - 0.74])则明显不如CRIB,且与出生体重或胎龄无显著差异。在计算CRIB-II时,用出生后12小时内最差的BE替代入院时的BE,未发现实质性变化。

结论

与CRIB、出生体重或胎龄相比,CRIB-II并不能更好地评估极低出生体重婴儿的死亡风险。

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