Implications of differences in coiling indices at different segments of the umbilical cord

Citation
I. Blickstein et al., Implications of differences in coiling indices at different segments of the umbilical cord, GYNECOL OBS, 52(3), 2001, pp. 203-206
Citations number
13
Language
INGLESE
art.tipo
Article
Categorie Soggetti
da verificare
Journal title
GYNECOLOGIC AND OBSTETRIC INVESTIGATION
ISSN journal
0378-7346 → ACNP
Volume
52
Issue
3
Year of publication
2001
Pages
203 - 206
Database
ISI
SICI code
0378-7346(2001)52:3<203:IODICI>2.0.ZU;2-Q
Abstract
The purpose of this study was to find out if the coiling density is similar in all segments of term singleton umbilical cords. We compared the coiling index (coils/cm) at three different segments of 159 cords. There was no st atistical difference between the coiling indices of the placental and middl e segment, but significantly increased coiling was found at the fetal end c ompared with the placental and middle segments. Coiling indices were not si gnificantly correlated with gestational age, cord length or birth weight. W e diagnosed concordant hypo- and hypercoiling when the placental and fetal segments had the same density classification, and discordant hypo- and hype rcoiling when these segments had different density classifications. Concord ant hypocoiling and hypercoiling were found in 4.4 and 6.3% of the cords ex amined, respectively (total of 10.7%), concordant normal coiling in 95 (59. 7%) and discordant density classifications in 29.6%. We concluded that the coiling index should be established in two distinct segments and that the s patial configuration of the coils, which protects the blood flow in the umb ilical cord, might not be measured by coil density only. Copyright (C) 2001 S. Karger AG, Basel.