Journal of Oral & Facial Pain and Headache, 3/2011
Pages 232-239, Language: English
Aims: To determine whether patients with a painful myofascial temporomandibular disorder (TMD) have diminished nocturnal heart rate variability (HRV), a marker of autonomic nervous system (ANS) dysfunction, relative to healthy, pain-free controls.
Methods: Participants with myofascial TMD and healthy, pain-free volunteers underwent nocturnal polysomnography studies during which HRV indices were measured. Multiple linear regression analyses were used to determine whether TMD status exerted unique effects on HRV.
Results: Ninety-five participants (n = 37 TMD; n = 58 controls) were included in the analyses. The TMD group had a lower standard deviation of R-R intervals (89.81 ± 23.54 ms versus 107.93 ± 34.42 ms, P
Keywords: autonomic dysfunction, chronic pain syndrome, heart rate variability, sympathetic hyperactivity, temporomandibular disorder
Journal of Oral & Facial Pain and Headache, 3/2010
Pages 321, Language: English