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Overestimation of umbilical cord coiling index with segmental versus total length assessment.
MedLine Citation:
PMID:  22670579     Owner:  NLM     Status:  Publisher    
Abstract The umbilical cord is the only communication between the fetus and the placenta and not surprisingly lesions or conditions affecting it may have detrimental effects in both. One important feature of the umbilical cord is its coiling index (UCI), with hypo and hypercoiling being associated with fetal thrombotic vasculopathy (FTV), intolerance to labour, intrauterine growth restriction, cord stricture thrombosis of cord and chorionic blood vessels, and fetal demise. It is essential that every placenta report should contain the UCI. UCI could also be assessed pre-natally, but there is no current way of assessing the whole length of the umbilical cord. The aim of this study was to compare UCI measured in a segment of cord 10 cm long (UCI-10) and in its whole length (UCI-T). One hundred and fifty consecutive placenta reports in which both measurements were recorded were retrieved from the files and analysed. Gestational age ranged from 16 to 42 weeks, with a mean of 33.67 weeks ±5.96 and a median gestational age of 36 weeks. Mean UCI-10 was 0.4360±0.2625 coils/cm and mean UCI-T was 0.3530±0.2022 coils/cm, a highly significant statistical difference (p<0.0001). Counting the number of umbilical cord coils in 10 cm led to an overestimation of 23.5% of the UCI-T and it can be concluded that latter should be used.
Luiz Cesar Peres; Deborah Taylor
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-6
Journal Detail:
Title:  Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society     Volume:  -     ISSN:  1093-5266     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9809673     Medline TA:  Pediatr Dev Pathol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a Sheffield Children's Hospital, Histopathology.
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