Why the study?
Does rheumatoid arthritis alter autonomic function (measured by frequency gain response and ApEn of HRV) in patients compared to matched healthy subjects?
Does rheumatoid arthritis alter autonomic function (measured by frequency gain response and ApEn of HRV) in patients compared to matched healthy subjects?
Patients with rheumatoid arthritis exhibit autonomic imbalance characterized by increased sympathetic and reduced parasympathetic tone, which correlates with disease duration.
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May indicate autonomic dysfunction in RA; leaves open causal links and clinical utility pending prospective data.
Ahmed Kamal (2007) studied this question.
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