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Inflammatory and infectious risk factors are associated with the response to tocolysis in patients with preterm labor.
MedLine Citation:
PMID:  20586546     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Objective. Inflammation/infection is the most frequent conditions leading to preterm delivery (PTD). A few studies have assessed the clinical efficacy of long-term tocolysis with ritodrine hydrochloride. In this study, the relationship among inflammatory/infective risk factors of PTD, the response to long-term tocolysis, and timing of delivery were evaluated in women with preterm labor. Methods. On the basis of different responses to long-term tocolysis, defined as ≥ 7 days tocolysis, the cohort were classified as: (i) patients delivering at term (Group A) and (ii) patients delivering preterm (group B). Group B was subclassified as: (i) delivery before 48 h (group B1); (ii) delivery between 48 h and 7 days (Group B2), and (iii) delivery after 7 days (Group B3). Group B is divided in early preterm (<32 weeks) (Group B early) and late PTD (32-36 weeks) (Group B late). Results. Group A delivered at term and Group B preterm. Group B showed significantly higher (p < 0.0001) rate of CRP, bacterial vaginosis, and chorioamnionitis at placental histological examination than Group A. The same parameters were statistically higher (p < 0.0001) in group B1 than in B3. CRP, chorioamnionitis at placental histological examination was statistically higher (p < 0.0001) in Group B early than in Group B late. Conclusions. This retrospective study suggested that in women affected by preterm labor, the long-term tocolysis with intravenous ritodrine is able to prolong gestation beyond 7 days, in absence of inflammatory/infective risk factors of PTD.
Authors:
Michela Torricelli; Chiara Voltolini; Nathalie Conti; Maria De Bonis; Giulia Biliotti; Enrico Picciolini; Felice Petraglia
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Publication Detail:
Type:  Journal Article     Date:  2010-06-29
Journal Detail:
Title:  The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians     Volume:  24     ISSN:  1476-4954     ISO Abbreviation:  J. Matern. Fetal. Neonatal. Med.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  43-6     Citation Subset:  IM    
Affiliation:
Obstetrics and Gynecology, Department of Pediatrics, Obstetrics and Reproductive Medicine, University of Siena, Siena, Italy.
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