Document Detail

Hypotension after spinal anesthesia for cesarean section: identification of risk factors using an anesthesia information management system.
MedLine Citation:
PMID:  19277879     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine risk factors for developing hypotension after spinal anesthesia for cesarean section to prevent obstetric patients from hypotensive episodes potentially resulting in intrauterine malperfusion and endangering the child. METHODS: The data from 503 women, having received spinal anesthesia for cesarean sections were investigated using online gathered vital signs and specially checked manual entries employing an anesthesia information management system. Blood pressure, heart rate, and oxygen saturation were measured throughout and hypotension was defined as either a drop in mean arterial blood pressure of >20% from baseline value or readings of <90 mmHg systolic arterial blood pressure. Thirty-two variables were studied for association with hypotensive episodes using univariate analysis and logistic regression employing a forward stepwise algorithm to identify independent variables (P < 0.05). RESULTS: Hypotension was found in 284 cases (56.5%). The univariate analysis identified the neonate's weight, mother's age, body mass index, and peak sensory block height associated with hypotension. Body mass index, age and sensory block height were detected as independent factors for hypotension (odds-ratio: 1.61 each). CONCLUSIONS: Knowledge of these risk factors should increase the anesthesiologist's attention to decide for the necessity to employ prophylactic or therapeutic techniques or drugs to prevent the neonate from any risk resulting of hypotension of the mother.
F Brenck; B Hartmann; C Katzer; R Obaid; D Brüggmann; M Benson; R Röhrig; A Junger
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-03-10
Journal Detail:
Title:  Journal of clinical monitoring and computing     Volume:  23     ISSN:  1573-2614     ISO Abbreviation:  J Clin Monit Comput     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-04-09     Completed Date:  2009-06-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9806357     Medline TA:  J Clin Monit Comput     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  85-92     Citation Subset:  IM    
Department of Anesthesiology, Intensive Care Medicine, Pain Therapy, Universitätsklinikum Giessen und Marburg GmbH, Standort Giessen, Rudolf-Buchheim-Strasse 7, 35392, Giessen, Germany.
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MeSH Terms
Age Factors
Anesthesia, Spinal / adverse effects*
Blood Pressure / physiology
Body Mass Index
Cesarean Section / methods*
Heart Rate / physiology
Hypotension / chemically induced*,  epidemiology*,  physiopathology
Logistic Models
Management Information Systems*
Retrospective Studies
Risk Factors
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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