Document Detail


Validity of lamellar body count as a fetal lung maturity assessment in twin pregnancy.
MedLine Citation:
PMID:  22854208     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Fetal lung maturity assessment in twin pregnancy has been discussed, but is still controversial. The purpose of this study is to predict the occurrence of respiratory distress syndrome (RDS) using lamellar body count (LBC) and analyze the validity of LBC for fetal lung maturity assessment in twin pregnancy. Three-hundred two amniotic fluid samples were obtained at cesarean section from 29 to 38 weeks of gestation. Samples were analyzed immediately with no centrifugation and the number of lamellar bodies was counted using a platelet channel on the Sysmex SF-3000. There were 18 neonates (6.0%) suffering from RDS. An LBC cut-off value of 2.95 × 104/μL resulted in 91.5% sensitivity and 83.3% specificity for predicting RDS. This cut-off value for predicting RDS was the same as that in singleton pregnancy. Moreover, the median LBC value in RDS cases was significantly lower than in non-RDS cases (1.50 ± 1.1 × 104/μL vs. 10.6 ± 7.5 × 104/μL; p < .001). This is the first report on the validity of LBC in twin pregnancy and also the largest study on fetal lung maturity assessment in twin pregnancy. An LBC value of >2.95 × 104/μL means reassuring findings for RDS even in twin pregnancy. We believe the data in this study provide valuable, new information for the management of twin pregnancies.
Authors:
Hiroyuki Tsuda; Tomomi Kotani; Seiji Sumigama; Ichiro Kawabata; Yuichiro Takahashi; Shigenori Iwagaki; Kaori Kigoshi; Fumitaka Kikkawa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Twin research and human genetics : the official journal of the International Society for Twin Studies     Volume:  15     ISSN:  1832-4274     ISO Abbreviation:  Twin Res Hum Genet     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-08-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101244624     Medline TA:  Twin Res Hum Genet     Country:  England    
Other Details:
Languages:  eng     Pagination:  547-9     Citation Subset:  IM    
Affiliation:
Department of Obstetrics and Gynecology, Nagoya University School of Medicine, Nagoya, Japan.
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