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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Intima-media thickness of the abdominal aorta of neonate with different gestational ages.
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Intima-media thickness of the abdominal aorta of neonate with different gestational ages.

机译：不同胎龄的新生儿腹主动脉内膜中层厚度。

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摘要

PURPOSE: To determine aortic intima-media thickness (aIMT) values in newborns with different gestational ages and to asses the effect of antenatal steroids on aIMT. METHODS: Two hundred forty newborns from healthy mothers had their distal abdominal aIMT measured during abdominal sonographic examination. The neonates were divided into 4 groups (60 in each group) according to gestational age: group I (25-28 weeks), group II (29-32 weeks), group III (33-37 weeks), and group IV (38-42 weeks). RESULTS: The interobserver and intersubject intraclass correlation coefficient was 0.93 and 0.94, respectively. Mean aIMT was 0.316 mm, 0.335 mm, 0.348 mm, and 0.385 mm, respectively, in group I, II, III, and IV, increasing significantly with gestational age at birth (p < 0.0001). There was no apparent effect of antenatal steroid use on aIMT. Multivariate regression models for mean aIMT demonstrated a significant association with aortic lumen diameter (p < 0.0001). CONCLUSION: Abdominal aIMT can be reproducibly measured in neonates and may be a useful tool for epidemiologic studies.
机译：目的：确定不同胎龄新生儿的主动脉内膜中层厚度（aIMT）值，并评估产前类固醇对aIMT的影响。方法：在腹部超声检查中，对来自健康母亲的240例新生儿的远端腹部aIMT进行了测量。根据胎龄将新生儿分为4组（每组60个）：第一组（25-28周），第二组（29-32周），第三组（33-37周）和第四组（38） -42周）。结果：观察者间和受试者间类内相关系数分别为0.93和0.94。 I，II，III和IV组的平均aIMT分别为0.316 mm，0.335 mm，0.348 mm和0.385 mm，随着出生时胎龄的增加而显着增加（p <0.0001）。产前使用类固醇对aIMT没有明显影响。平均aIMT的多元回归模型显示与主动脉腔直径显着相关（p <0.0001）。结论：腹部aIMT可以在新生儿中重现测量，可能是流行病学研究的有用工具。

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