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Tytuł pozycji:

Ability of near infrared spectroscopy to measure oxygenation in isolated upper extremity muscle compartments.

Tytuł :
Ability of near infrared spectroscopy to measure oxygenation in isolated upper extremity muscle compartments.
Autorzy :
Cole AL; Department of Upper Extremity and Micro Surgery, Athens Orthopedic Clinic, PA, USA.
Herman RA Jr
Heimlich JB
Ahsan S
Freedman BA
Shuler MS
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Źródło :
The Journal of hand surgery [J Hand Surg Am] 2012 Feb; Vol. 37 (2), pp. 297-302. Date of Electronic Publication: 2011 Dec 20.
Typ publikacji :
Controlled Clinical Trial; Journal Article
Język :
Imprint Name(s) :
Publication: New York : Elsevier
Original Publication: St. Louis, Mosby.
MeSH Terms :
Spectroscopy, Near-Infrared*
Muscle Contraction/*physiology
Muscle, Skeletal/*physiology
Oxygen Consumption/*physiology
Adolescent ; Adult ; Aged ; Exercise/physiology ; Female ; Forearm ; Humans ; Male ; Middle Aged ; Oximetry ; Sensitivity and Specificity ; Young Adult
Entry Date(s) :
Date Created: 20111223 Date Completed: 20120619 Latest Revision: 20120127
Update Code :
Czasopismo naukowe
Purpose: Near infrared spectroscopy (NIRS), a noninvasive means for monitoring muscle oxygenation, may be useful in the diagnosis of acute compartment syndrome, a condition characterized by poor tissue perfusion. This study used the decrease in muscle oxygenation caused by exercise to investigate the ability of anatomic placement of NIRS sensor pads over compartments of the forearm to isolate perfusion values of a specific compartment.
Methods: We recruited 63 uninjured volunteers from a private clinic-based setting and placed NIRS sensor pads over the dorsal, volar, and mobile wad compartments of 1 forearm. A total of 49 participants also had the contralateral forearm monitored, which served as an internal control. Participants performed a series of 3 exercises designed to sequentially activate the muscles of each compartment. A washout period separated each exercise to allow perfusion to return to baseline. We compared NIRS values of each compartment recorded during muscle contraction with baseline values.
Results: Mean NIRS values decreased significantly from baseline during muscle contraction for all compartments, whereas mean NIRS values of muscle compartments that remained at rest showed little or no change. We observed no changes in NIRS values of the contralateral arm, which remained at rest during the entire data collection period.
Conclusions: Although lack of an existing method for quantifying muscle perfusion precludes validation of this technique against a reference standard, this study suggests that NIRS can provide oxygenation values that are both sensitive and specific to muscle compartments of the forearm. Future studies should investigate NIRS among patients with upper extremity injuries.
Type of Study/level of Evidence: Diagnostic III.
(Copyright © 2012 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.)

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