Document Detail

Correlation between the cervical length and the amount of bleeding during cesarean section in placenta previa.
MedLine Citation:
PMID:  21450025     Owner:  NLM     Status:  Publisher    
Aim:  To investigate the association between the amount of bleeding during a cesarean section and the effacement of the uterine cervix in patients with placenta previa. Methods:  This study reviewed 115 singleton pregnancies with placenta previa. In cases of placenta previa, the thickness of the uterine muscle and cervical length were retrospectively measured and compared with the amount of bleeding during the cesarean section. Results:  No correlation was found between the amount of bleeding during the cesarean operation and the thickness of the uterine isthmus. There was a significantly negative correlation between the amount of bleeding and cervical length (r = -0.344, P < 0.001). The threshold cervical length associated with massive bleeding (>2500 mL) was 25 mm, based on an ROC curve. The relative risk for massive bleeding in cases with a short cervical length (<25 mm) was 7.2 (95% CI, 2.3-22.3) in comparison to cases with a long cervical length. Conclusions:  This study demonstrated that a short cervical length in cases with placenta previa was associated with massive bleeding during the operation. Short cervical length seems to be one of the warning signs for massive bleeding during the operation for placenta previa.
Takashi Mimura; Junichi Hasegawa; Masamitsu Nakamura; Ryu Matsuoka; Kiyotake Ichizuka; Akihiko Sekizawa; Takashi Okai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-31
Journal Detail:
Title:  The journal of obstetrics and gynaecology research     Volume:  -     ISSN:  1341-8076     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9612761     Medline TA:  J Obstet Gynaecol Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 The Authors. Journal of Obstetrics and Gynaecology Research © 2011 Japan Society of Obstetrics and Gynecology.
Department of Obstetrics and Gynecology, Showa University School of Medicine, Tokyo, Japan.
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