Document Detail


Decrease in serum potassium concentration during epidural anaesthesia.
MedLine Citation:
PMID:  3324613     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A mean decrease in the arterial serum potassium concentration (S-K) of 0.40 mmol/l (range 0-1.0) was found in 45 elderly men who were studied before and after induction of epidural anaesthesia (using mepivacaine 2% with adrenaline). The decrease was similar in patients who received acetated Ringer solution or dextran 40 in normal saline as intravenous fluid supplementation. No difference in S-K change was found between patients with a normal (less than 115 mumol/l) or elevated serum creatinine concentration. The decrease in S-K prevailed at the end of surgery except in patients with an elevated serum creatinine. Corrections of S-K for changes in arterial blood pH and rectal temperature during induction of anaesthesia did not explain the decrease in S-K. Correlations of clinical parameters such as the extension of anaesthesia, amount of intravenous fluid given and blood pressure changes gave conflicting results. A smaller decrease or no change in S-K was usually seen in arterial (n = 7) and venous (n = 7) samples when no intravenous fluid was given, as well as in venous samples when acetated Ringer solution was given (n = 6).
Authors:
R G Hahn
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica     Volume:  31     ISSN:  0001-5172     ISO Abbreviation:  Acta Anaesthesiol Scand     Publication Date:  1987 Nov 
Date Detail:
Created Date:  1988-03-10     Completed Date:  1988-03-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370270     Medline TA:  Acta Anaesthesiol Scand     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  680-3     Citation Subset:  IM    
Affiliation:
Department of Anaesthesiology, Huddinge University Hospital, Sweden.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Anesthesia, Epidural / adverse effects*
Blood Glucose / metabolism
Body Temperature
Humans
Hydrogen-Ion Concentration
Hypokalemia / etiology*
Insulin / blood
Male
Mepivacaine
Middle Aged
Prostatectomy
Sodium / blood
Chemical
Reg. No./Substance:
0/Blood Glucose; 11061-68-0/Insulin; 7440-23-5/Sodium; 96-88-8/Mepivacaine

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