Rheumatology 2000; 39: 1287-1289
© 2000 British Society for Rheumatology
Letters to the Editor |
A longitudinal study of clinical symptoms and sleep parameters in rheumatoid arthritis
1 Department of Internal Medicine M, Aalborg Hospital,
2 Department of Medical Informatics and Image Analysis, Aalborg University,
3 Department of Mathematics, Aalborg University,
4 Department of Clinical Neurophysiology, Aalborg Hospital and
5 Department of Rheumatology, Aalborg Hospital, Denmark.
| The first 10% of the full text of this article appears below. |
SIR, Sleep complaints are reported by more than half of the patients with rheumatoid arthritis (RA) [1], and in several studies disturbances of the sleep architecture have been documented in these patients. In a previous paper we reported a close relationship between pain, morning stiffness and homeostatic sleep patterns [2]. To further elucidate this finding, the present study was conducted to follow up the clinical and ambulatory polysomnographic (PSG) parameters in the same patients. The dynamics of this study allowed us to extend the knowledge obtained in the previous study [2