Document Detail

Incidence of diaphragmatic paralysis following supraclavicular brachial plexus block and its effect on pulmonary function.
MedLine Citation:
PMID:  11284823     Owner:  NLM     Status:  MEDLINE    
Thirty unpremedicated ASA physical status 1-3 patients aged between 18 and 69 years, scheduled for upper limb surgery, received a conventional supraclavicular brachial plexus block using a nerve stimulator and bupivacaine 0.375% 0.5 Spirometric measurements of pulmonary function and ultrasonographic assessments of diaphragmatic function were made before the block and at 10-min intervals after injection until full motor block of the brachial plexus had developed. Complete paralysis of the ipsilateral hemidiaphragm occurred in 50% of patients. Seventeen per cent of patients had reduced diaphragmatic movement and the rest (33%) had no change in diaphragmatic movement. Those with complete paralysis all showed significant decreases in pulmonary function, whereas those with reduced or normal movement had minimal change. All patients remained asymptomatic throughout, with normal oxygen saturation on room air.
P H Mak; M G Irwin; C G Ooi; B F Chow
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Anaesthesia     Volume:  56     ISSN:  0003-2409     ISO Abbreviation:  Anaesthesia     Publication Date:  2001 Apr 
Date Detail:
Created Date:  2001-04-04     Completed Date:  2001-05-03     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370524     Medline TA:  Anaesthesia     Country:  England    
Other Details:
Languages:  eng     Pagination:  352-6     Citation Subset:  AIM; IM    
Department of Anaesthesiology, University of Hong Kong, Queen Mary Hospital, Pokfulam Road, Hong Kong, ROC.
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MeSH Terms
Anesthetics, Local / adverse effects
Arm / surgery
Brachial Plexus*
Bupivacaine / adverse effects
Middle Aged
Nerve Block / adverse effects*
Posture / physiology
Respiratory Mechanics / drug effects*,  physiology
Respiratory Paralysis / chemically induced*,  physiopathology
Reg. No./Substance:
0/Anesthetics, Local; 2180-92-9/Bupivacaine

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