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Tytuł pozycji:

Early postoperative ulnar neuropathies following coronary artery bypass surgery.

Tytuł :
Early postoperative ulnar neuropathies following coronary artery bypass surgery.
Autorzy :
Watson BV; Department of Clinical Neurological Sciences, University Hospital, London, Ontario, Canada.
Merchant RN
Brown WF
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Źródło :
Muscle & nerve [Muscle Nerve] 1992 Jun; Vol. 15 (6), pp. 701-5.
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Publication: <2005-> : Hoboken, NJ : John Wiley & Sons
Original Publication: New York, NY : John Wiley & Sons
MeSH Terms :
Coronary Artery Bypass*
Brachial Plexus/*injuries
Postoperative Complications/*etiology
Ulnar Nerve/*physiopathology
Electromyography ; Follow-Up Studies ; Humans ; Neural Conduction/physiology ; Peripheral Nervous System Diseases/diagnosis ; Peripheral Nervous System Diseases/epidemiology ; Peripheral Nervous System Diseases/etiology ; Postoperative Complications/diagnosis ; Postoperative Complications/epidemiology ; Prospective Studies ; Time Factors
Entry Date(s) :
Date Created: 19920601 Date Completed: 19920924 Latest Revision: 20041117
Update Code :
20201019
PMID :
1324427
Czasopismo naukowe
Ulnar neuropathies following surgery are common. However, they often go undetected during the early postoperative period, because the patient may be unaware of symptoms related to the neuropathy. Nerve conduction studies are useful in localizing the lesion, but are usually employed only in cases developing signs and symptoms. We undertook this study to determine the incidence, time of onset, and outcome of clinical and subclinical ulnar neuropathies. Electrophysiological studies were carried out preoperatively, immediately following surgery, and 4 to 6 weeks postoperatively in 20 coronary artery bypass patients. Conduction velocity across the elbow was reduced in 3 limbs (8%) postoperatively, all of which were detected immediately following surgery. One patient developed conduction block and weakness in ulnar supplied intrinsic hand muscles. Denervation was seen in 2 cases and, in 1 case (5%), a right brachial plexus injury was clinically evident 5 days following surgery. All newly developing ulnar neuropathies were asymptomatic, with most recovering to their preoperative electrophysiological status at follow-up.

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