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The Effect of Microdialysis Catheter Insertion on Glutamate and Serotonin Levels in Masseter Muscle in Patients with Myofascial Temporomandibular Disorders and Healthy Controls
Umeå universitet, Medicinska fakulteten, Institutionen för odontologi. Department of Orofacial Pain and Jaw Function, Faculty of Odontology, Malmö University.ORCID-id: 0000-0001-6088-3739
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2019 (Engelska)Ingår i: Diagnostics (Basel), ISSN 2075-4418, Vol. 9, nr 1, artikel-id 14Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Myofascial temporomandibular disorders (TMD) are the most common cause of chronic pain in the orofacial region. Microdialysis has been used to study metabolic changes in the human masseter muscle. The insertion of the microdialysis probe causes acute tissue trauma that could affect the metabolic milieu and thereby influence the results when comparing healthy subjects to those with TMD. This study aimed to investigate the levels of serotonin and glutamate during the acute tissue trauma period in healthy subjects and in patients with TMD. Microdialysis was carried out in 15 patients with TMD and 15 controls, and samples were collected every 20 min during a period of 140 min. No significant alterations of serotonin or glutamate were observed over the 2 h period for the healthy subjects. For the TMD group, a significant decrease in serotonin was observed over time (p < 0.001), followed by a significant increase between 120 and 140 min (p < 0.001). For glutamate, a significant reduction was observed at 40 min compared to baseline. The results showed that there was a spontaneous increase of serotonin 2 h after the insertion of the catheter in patients with TMD. In conclusion, the results showed that there are differences in the masseter muscle levels of serotonin and glutamate during acute nociception in patients with myofascial TMD compared to healthy subjects.

Ort, förlag, år, upplaga, sidor
2019. Vol. 9, nr 1, artikel-id 14
Nyckelord [en]
microdialysis, myofascial temporomandibular disorders, serotonin, glutamate, chronic pain
Nationell ämneskategori
Odontologi
Identifikatorer
URN: urn:nbn:se:umu:diva-158386DOI: 10.3390/diagnostics9010014ISI: 000464204000001PubMedID: 30678220Scopus ID: 2-s2.0-85066418195OAI: oai:DiVA.org:umu-158386DiVA, id: diva2:1307629
Tillgänglig från: 2019-04-29 Skapad: 2019-04-29 Senast uppdaterad: 2023-03-24Bibliografiskt granskad

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Häggman-Henrikson, Birgitta

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Häggman-Henrikson, BirgittaGhafouri, Bijar
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