Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache

Two cases of fibrous myopathy associated with repeated, long-term intramuscular injections for treatment of chronic temporomandibular joint pain and chronic headache, respectively, are described. Both patients developed severe, function-limiting contractures in upper and lower extremity muscles used...

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Main Authors: R Burnham, S McNeil, C Hegedus, DS Gray
Format: Article
Language:English
Published: Wiley 2006-01-01
Series:Pain Research and Management
Online Access:http://dx.doi.org/10.1155/2006/198751
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author R Burnham
S McNeil
C Hegedus
DS Gray
author_facet R Burnham
S McNeil
C Hegedus
DS Gray
author_sort R Burnham
collection DOAJ
description Two cases of fibrous myopathy associated with repeated, long-term intramuscular injections for treatment of chronic temporomandibular joint pain and chronic headache, respectively, are described. Both patients developed severe, function-limiting contractures in upper and lower extremity muscles used as injection sites. In one of the cases, the contractures were painful. Electrophysiological testing, magnetic resonance imaging and muscle biopsy results were all consistent with myopathy and replacement of skeletal muscle with noncontractile fibrous tissue. These cases are presented to increase awareness of fibrous myopathy and to promote surveillance for this serious potential complication of long-term intramuscular injections in chronic headache and other pain patients.
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spelling doaj-art-62679c9b21874a56a67e3b796f7a84b72025-02-03T06:06:08ZengWileyPain Research and Management1203-67652006-01-0111424925210.1155/2006/198751Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic HeadacheR Burnham0S McNeil1C Hegedus2DS Gray3University of Alberta, Division of Physical Medicine and Rehabilitation, Edmonton, CanadaFoothills Medical Centre, Division of Clinical Neurosciences, Calgary, CanadaRed Deer Regional Hospital, David Thompson Health Region, Red Deer, Alberta, CanadaUniversity of Alberta, Division of Physical Medicine and Rehabilitation, Edmonton, CanadaTwo cases of fibrous myopathy associated with repeated, long-term intramuscular injections for treatment of chronic temporomandibular joint pain and chronic headache, respectively, are described. Both patients developed severe, function-limiting contractures in upper and lower extremity muscles used as injection sites. In one of the cases, the contractures were painful. Electrophysiological testing, magnetic resonance imaging and muscle biopsy results were all consistent with myopathy and replacement of skeletal muscle with noncontractile fibrous tissue. These cases are presented to increase awareness of fibrous myopathy and to promote surveillance for this serious potential complication of long-term intramuscular injections in chronic headache and other pain patients.http://dx.doi.org/10.1155/2006/198751
spellingShingle R Burnham
S McNeil
C Hegedus
DS Gray
Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache
Pain Research and Management
title Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache
title_full Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache
title_fullStr Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache
title_full_unstemmed Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache
title_short Fibrous Myopathy as a Complication of Repeated Intramuscular Injections for Chronic Headache
title_sort fibrous myopathy as a complication of repeated intramuscular injections for chronic headache
url http://dx.doi.org/10.1155/2006/198751
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AT smcneil fibrousmyopathyasacomplicationofrepeatedintramuscularinjectionsforchronicheadache
AT chegedus fibrousmyopathyasacomplicationofrepeatedintramuscularinjectionsforchronicheadache
AT dsgray fibrousmyopathyasacomplicationofrepeatedintramuscularinjectionsforchronicheadache