Document Detail


Prospective investigation of second-trimester thrombin activation and preterm birth.
MedLine Citation:
PMID:  22464077     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: We sought to determine if second-trimester amniotic fluid thrombin-antithrombin (TAT) complexes concentration correlates with subsequent preterm birth.
STUDY DESIGN: A cohort of 550 women with singleton nonanomalous pregnancies undergoing second-trimester genetic amniocentesis was followed up to delivery and analyzed as a nested case-control study. Cases of preterm birth (n = 52) were compared with 104 term control subjects. Amniotic fluid collected at amniocentesis was tested for TAT.
RESULTS: TAT concentrations were significantly higher in women who delivered preterm (median 115.9 µg/L) than in those who did not (median 62.2 µg/L; P < .001). This difference persisted when 31 spontaneous preterm births and 21 indicated preterm births were analyzed separately. The odds ratios for preterm birth in the highest TAT quartile relative to the lowest quartile was 4.98 (95% confidence interval, 1.17-22.01; P = .007).
CONCLUSION: We found a difference in the pattern of intraamniotic thrombin generation between women destined to deliver at term and those who deliver preterm, regardless of the type of preterm birth.
Authors:
Alex C Vidaeff; Manju Monga; George Saade; Karen Bishop; Susan M Ramin
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Publication Detail:
Type:  Journal Article     Date:  2012-02-20
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  206     ISSN:  1097-6868     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-04-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  333.e1-6     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012 Mosby, Inc. All rights reserved.
Affiliation:
Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Texas-Houston Medical School, Houston, TX.
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