Document Detail

Changes in placental intervillous blood flow measured by the 133xenon method during lumbar epidural block for elective caesarean section.
MedLine Citation:
PMID:  545989     Owner:  NLM     Status:  MEDLINE    
The effect of lumbar epidural block on placental intervillous blood flow (IBF) was estimated with the i.v. 133Xe method in 24 cases and in 14 controls. All parturients had uneventful pregnancies and were scheduled for elective caesarean section. Lumbar epidural block caused a significant decrease in maternal mean arterial pressure (MAP), when no preloading infusion with a plasma expander was given. In contrast, the MAP remained unchanged during lumbar epidural block when the parturients received a preloading infusion (Haemaccel, 100 ml/10 kg body weight within 10 min immediately before lumbar epidural block). The IBF decreased to some extent in the non-preloaded group, but increased temporarily in the preloaded group 15 min after the administration of lumbar epidural block. The mean changes of IBF in the non-preloaded and the preloaded groups differed statistically significantly from each other during lumbar epidural block. The IBF of the preloaded group did not differ significantly from the IBF of the control group receiving no lumbar epidural block.
K Huovinen; P Lehtovirta; M Forss; I Kivalo; K Teramo
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica     Volume:  23     ISSN:  0001-5172     ISO Abbreviation:  Acta Anaesthesiol Scand     Publication Date:  1979 Dec 
Date Detail:
Created Date:  1980-07-28     Completed Date:  1980-07-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370270     Medline TA:  Acta Anaesthesiol Scand     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  529-33     Citation Subset:  IM    
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MeSH Terms
Anesthesia, Epidural
Anesthesia, Obstetrical*
Blood Pressure / drug effects
Cesarean Section
Chorionic Villi / blood supply*
Etidocaine / administration & dosage,  pharmacology
Infant, Newborn
Placenta / blood supply*
Plasma Substitutes / pharmacology
Regional Blood Flow / drug effects
Xenon Radioisotopes / diagnostic use
Reg. No./Substance:
0/Plasma Substitutes; 0/Xenon Radioisotopes; 36637-18-0/Etidocaine

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

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