Journal
RHEUMATOLOGY
Volume 43, Issue 1, Pages 95-99Publisher
OXFORD UNIV PRESS
DOI: 10.1093/rheumatology/keg468
Keywords
antireceptor antibody; autonomic dysfunction; baroreflex sensitivity; blood pressure variability; cardiovascular reflex test; heart rate variability; primary Sjogren's syndrome
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Objective. To assess the occurrence and clinical significance of a cardiovascular autonomic nervous system dysfunction in primary Sjogren's syndrome (pSS). Methods. Fifty-one pSS patients participated in this case-control study. Heart rate and blood pressure variability measurements, spontaneous baroreflex sensitivity examinations and cardiovascular reflex tests were performed. Results. The results of the heart rate and blood pressure variability measurements and also the baroreflex sensitivity parameters of the pSS patients peaked in the lowest percentile ranges of a database on 559 healthy control subjects (P < 0.05). In three of the five cardiovascular reflex tests, the frequencies of abnormal results were significantly higher among the patients than among the controls (P < 0.05), and the median autonomic neuropathy score was also elevated (3 vs 0 in the controls; P < 0.0001). Conclusion. Signs of an autonomic nervous system dysfunction involving the cardiovascular system can be discerned in the majority of pSS patients.
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