Cold Seasons Boost Rheumatoid Arthritis Pain

November 15, 2005

-- Preidt

MONDAY, Nov. 14 (HealthDay News) -- Many rheumatoid arthritis (RA)

patients believe changes in the seasons trigger fluctuations in their

symptoms, and now a study out of Japan appears to support that view.

Specifically, the study found that the pain of RA rises as seasonal

temperatures fall.

" Physicians can easily dismiss seasonal changes as having an impact

on patients with rheumatoid arthritis yet, in reality, the

differences in weather and climate are having an impact, " researcher

Dr. Noriko Iikuni, of the Institute of Rheumatology, Tokyo Women's

Medical University, said in a prepared statement.

Her team reviewed data collected from more than 1,800 RA patients

between October 2001 and April 2004. The volunteers averaged nearly

58 years in age and had suffered from RA for an average of over 10

years.

The study looked at the patients' disease activity, score, tender

joint count, swollen joint count, health assessment questions, pain

scale, laboratory test results that indicated amount of pain and

inflammation, and response to treatment.

Both subjective and objective results indicated that the RA patients

experienced a significant decrease in RA activity from spring to

fall, and an equally marked increase from fall to spring.

" For the majority of rheumatoid arthritis sufferers, the period

between fall to spring will give rise to more problems whereas

symptoms will ease between the spring and fall. Awareness of this

very real influence on these patients should play a role in more

effective treatment management, " Iikuni said.

The findings were to be presented Monday at the annual scientific

meeting of the American College of Rheumatology, in San Diego.

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