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Muscle oxygenation in Type 1 diabetic and non-diabetic patients with and without chronic compartment syndrome
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.ORCID iD: 0000-0003-4809-1207
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.
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2017 (English)In: PLoS Medicine, ISSN 1549-1277, E-ISSN 1549-1676, Vol. 12, no 10, article id e0186790Article in journal (Refereed) Published
Abstract [en]

Background: Type 1 diabetic patients and non-diabetic patients were referred for evaluation for chronic exertional compartment syndrome (CECS) based on clinical examination and complaints of activity-related leg pain in the region of the tibialis anterior muscle. Previous studies using near-infrared spectroscopy (NIRS) showed greater deoxygenation during exercise for CECS patients versus healthy controls; however, this comparison has not been done for diabetic CECS patients. Methods: We used NIRS to test for differences in oxygenation kinetics for Type 1 diabetic patients diagnosed with (CECS-diabetics, n = 9) versus diabetic patients without (CON-diabetics, n = 10) leg anterior chronic exertional compartment syndrome. Comparisons were also made between non-diabetic CECS patients (n = 11) and healthy controls (CON, n = 10). The experimental protocol consisted of thigh arterial cuff occlusion (AO, 1-minute duration), and treadmill running to reproduce symptoms. NIRS variables generated were resting StO(2)%, and oxygen recovery following AO. Also, during and following treadmill running the magnitude of deoxygenation and oxygen recovery, respectively, were determined. Results: There was no difference in resting StO2% between CECS-diabetics (78.2 +/- 12.6%) vs. CON-diabetics (69.1 +/- 20.8%), or between CECS (69.3 +/- 16.2) vs. CON (75.9 +/- 11.2%). However, oxygen recovery following AO was significantly slower for CECS (1.8 +/- 0.8%/sec) vs. CON (3.8 +/- 1.7%/sec) (P = 0.002); these data were not different between the diabetic groups. StO2% during exercise was lower (greater deoxygenation) for CECS-diabetics (6.3 +/- 8.6%) vs. CON-diabetics (40.4 +/- 22.0%), and for CECS (11.3 +/- 16.8%) vs. CON (34.1 +/- 21.2%) (P<0.05 for both). The rate of oxygen recovery post exercise was faster for CECS-diabetics (3.5 +/- 2.6%/sec) vs. CON-diabetics (1.4 +/- 0.8%/sec) (P = 0.04), and there was a tendency of difference for CECS (3.1 +/- 1.4%/sec) vs. CON (1.9 +/- 1.3%/sec) (P = 0.05). Conclusion: The greater deoxygenation during treadmill running for the CECS-diabetics group (vs. CON-diabetics) is in line with previous studies (and with the present study) that compared non-diabetic CECS patients with healthy controls. Our findings could suggest that NIRS may be useful as a diagnostic tool for assessing Type 1 diabetic patients suspected of CECS.

Place, publisher, year, edition, pages
Public library science , 2017. Vol. 12, no 10, article id e0186790
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Surgery Other Clinical Medicine
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URN: urn:nbn:se:umu:diva-141413DOI: 10.1371/journal.pone.0186790ISI: 000413403000042PubMedID: 29059243OAI: oai:DiVA.org:umu-141413DiVA, id: diva2:1154384
Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2017-11-27Bibliographically approved

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