Document Detail

Injection of the piriformis muscle by fluoroscopic and electromyographic guidance.
MedLine Citation:
PMID:  9840849     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: There is not a universally accepted single technique for injection of the piriformis muscle that has validated exact placement of the needle tip within the piriformis muscle. OBJECTIVE: We sought a methodology that would precisely document needle placement within the piriformis muscle that is reliable, relatively uncomplicated, and reproducible. METHODS: Patients with piriformis syndrome underwent injections of the piriformis muscle under fluoroscopic and electromyographic guidance. This technique used electrophysiological confirmation of needle placement within the piriformis muscle and image-guided identification of the piriformis muscle with radiopaque contrast media under fluoroscopy. RESULTS: Using this methodology, injections on 17 occasions in 11 patients resulted in needle placement within the piriformis muscle.
S M Fishman; O A Caneris; T B Bandman; J F Audette; D Borsook
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Regional anesthesia and pain medicine     Volume:  23     ISSN:  1098-7339     ISO Abbreviation:  Reg Anesth Pain Med     Publication Date:    1998 Nov-Dec
Date Detail:
Created Date:  1999-02-09     Completed Date:  1999-02-09     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9804508     Medline TA:  Reg Anesth Pain Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  554-9     Citation Subset:  IM    
MGH Pain Center, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston 02114, USA.
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MeSH Terms
Acetabulum / radiography
Action Potentials / physiology
Aged, 80 and over
Buttocks* / innervation,  radiography
Contrast Media
Femur / radiography
Injections, Intramuscular
Iopamidol / diagnostic use
Middle Aged
Motor Neurons / physiology
Muscle, Skeletal* / innervation,  physiopathology,  radiography
Nerve Block / methods*
Pain / therapy*
Radiography, Interventional
Radiology, Interventional
Sacroiliac Joint / radiography
Sacrum / radiography
Sciatica / therapy
Reg. No./Substance:
0/Contrast Media; 62883-00-5/Iopamidol

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

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