Abstract:
BACKGROUND:Advances in perinatal medicine have required an extensive knowledge of fetal aorto-iliac measurements. The present study was performed to compile reference data for dimensions of the abdominal aorta at varying gestational ages. MATERIAL/METHODS:Using the methods of anatomical dissection, digital-image analysis (Leica QWin Pro 16 system), and statistical analysis (Student's t-test, one-way ANOVA, post-hoc RIR Tukey test, regression analysis, and Wilcoxon signed-rank test), the growth of length (mm), proximal and distal external diameters (mm), and volume (mm3) of the abdominal aorta in 124 (60 male, 64 female) spontaneously aborted human fetuses aged 15-34 weeks was examined. RESULTS:No significant male-female differences were found. The length ranged from 9.35±1.24 to 36.29±4.98 mm, according to the linear function y=-14.596+1.519 × Age ±2.639 (R2=0.92; p<0.0001). The proximal external diameter varied from 1.18±0.25 to 5.19±0.49 mm, according to the linear pattern y=-2.065+0.212 × Age ±0.348 (R2=0.92; p<0.0001). The distal external diameter increased from 1.03±0.23 to 4.92±0.46 mm, in accordance with the linear model y=-2.097+0.203 × Age ±0.351 (R2=0.92; p<0.0001). Both length and proximal external diameter of the abdominal aorta indicated a proportionate evolution, because the length-to-proximal external diameter ratio was stable, following the linear function y=7.724-0.017 × Age ±0.925. The abdominal aorta volume ranged from 9.6±4.5 to 740.5±201.8 mm3, given by the quadratic function y=911-101 × Age +2.838 × Age2 ±78 (R2=0.89; p<0.0001). CONCLUSIONS:There are no significant differences between males and females for morphometric parameters of the abdominal aorta. The abdominal aorta grows linearly in both length and diameters, and parabolically in volume. These detailed morphometric data of the abdominal aorta provide a database for intra-uterine echographic examinations in the early diagnosis, monitoring and management of aorto-iliac malformations.
journal_name
Med Sci Monitjournal_title
Medical science monitor : international medical journal of experimental and clinical researchauthors
Szpinda M,Szpinda A,Woźniak A,Mila-Kierzenkowska C,Kosiński A,Grzybiak Mdoi
10.12659/msm.883483subject
Has Abstractpub_date
2012-10-01 00:00:00pages
BR419-26issue
10eissn
1234-1010issn
1643-3750pii
883483journal_volume
18pub_type
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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doi:
更新日期:2005-06-01 00:00:00
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
pub_type: 杂志文章
doi:
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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doi:
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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doi:
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doi:
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journal_title:Medical science monitor : international medical journal of experimental and clinical research
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doi:
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