Document Detail


Intrathecal clonidine as a sole analgesic for pain relief after cesarean section.
MedLine Citation:
PMID:  1642346     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In a small number of studies and isolated case reports, intrathecally administered clonidine has been reported to relieve intractable cancer pain and to prolong spinal anesthesia induced by various local anesthetics. A double-blind placebo-controlled clinical trial was carried out in order to evaluate the effect of intrathecal clonidine on pain following cesarean section. Twenty patients who underwent elective cesarean section received, 45 min after general anesthesia, either 150 micrograms (n = 10) clonidine or saline (control group, n = 10) intrathecally. Pain scores were lower in clonidine- than saline-treated patients from 20 to 120 min after intrathecal injection, as measured by a visual pain linear analog scale (P less than 0.05). Pain relief, in terms of the first supplemental analgesic request by patients, lasted 414 +/- 128 min after intrathecal clonidine and 181 +/- 169 min (mean +/- SD) (P less than 0.01) after saline. Clonidine decreased systolic, diastolic, and mean arterial pressures compared to baseline values (P less than 0.05), but heart rate and central venous pressure were unaffected (difference not significant). Maximal reduction of systolic arterial pressure was 15 +/- 9%, of diastolic arterial pressure 22 +/- 12%, and of mean arterial pressure 18 +/- 12%. Clonidine did not affect arterial hemoglobin oxygen saturation or PaCO2. Patients in the clonidine group were significantly more sedated (P less than 0.05) and more frequently reported a dry mouth (P less than 0.01) compared to the normal saline group.(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
K S Filos; L C Goudas; O Patroni; V Polyzou
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Anesthesiology     Volume:  77     ISSN:  0003-3022     ISO Abbreviation:  Anesthesiology     Publication Date:  1992 Aug 
Date Detail:
Created Date:  1992-09-03     Completed Date:  1992-09-03     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  1300217     Medline TA:  Anesthesiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  267-74     Citation Subset:  AIM; IM    
Affiliation:
University of Patras, School of Medicine, Patras, Greece.
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MeSH Terms
Descriptor/Qualifier:
Adult
Analgesia, Obstetrical*
Cesarean Section*
Clonidine / administration & dosage,  adverse effects,  therapeutic use*
Double-Blind Method
Female
Humans
Injections, Spinal
Pain, Postoperative / drug therapy*
Pregnancy
Chemical
Reg. No./Substance:
4205-90-7/Clonidine

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


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