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Different DHEA-S levels and response patterns in individuals with chronic neck pain, compared to a pain free group – a pilot study

Artikel i vetenskaplig tidskrift
Författare Anna Grimby-Ekman
B. Ghafouri
Helena Sandén
B. Larsson
B. Gerdle
Publicerad i Pain medicine
Volym 18
Nummer/häfte 5
Sidor 846-855
ISSN 1526-2375
Publiceringsår 2017
Publicerad vid Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa
Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa, enheten för hälsometri
Sidor 846-855
Språk en
Länkar dx.doi.org/10.1093/pm/pnw162
Ämnesord Chronic Pain, Neck, Dehydroepiandrosterone, Physical Exercise, Physical Activity
Ämneskategorier Folkhälsomedicinska forskningsområden, Epidemiologi

Sammanfattning

Objective. To test, in this pilot study, whether DHEA-S (Dehydroepiandrosterone, sulfated form) plasma levels are lower among persons with chronic neck pain, compared to control persons, and to investigate the DHEA-S response after a physical exercise. Subjects. Included were 12 persons with chronic neck pain and eight controls without present pain, all 18 and 65 years of age. Exclusion criteria for both groups were articular diseases or tendinosis, fibromyalgia, systemic inflammatory and neuromuscular diseases, pain conditions due to trauma, or severe psychiatric diseases. Design and methods. The participants arm-cycled on an ergometer for 30 minutes. Blood samples were taken before, 60 minutes, and 150 minutes after this standardized physical exercise. Results. The estimated plasma DHEA-S levels at baseline were 2.0 µmol/L (95% confidence interval [CI] 1.00; 4.01) in the pain group and 4.1 µmol/L (95% CI2.0; 8.6) in the control group, adjusted for sex, age, body mass index (BMI), and Shirom–Melamed Burnout Questionnaire (SMBQ), with a ratio of 0.48 (P = 0.094). The total DHEA-S (AUCG) in the pain group were 183 min*µmol/L lower than in the control group (P = 0.068). For the response to the exercise (AUCI), the difference between the pain group and the control group was 148 min*µmol/L (P = 0.011). Conclusions. In this pilot study, the plasma DHEA-S levels appeared to be lower among the persons with chronic neck pain, compared with the control group. It was indicated that DHEA-S decreased during the physical exercise in the control group, and either increased or was unaffected in the chronic pain group.

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