AN EVALUATION OF DIETARY APPROACHES USED IN THE CLINICAL MANAGEMENT OF RHEUMATOID ARTHRITIS

Author:

SARAÇ DENGİZEK Merve1ORCID,YEŞİLKAYA Burcu1ORCID

Affiliation:

1. OKAN ÜNİVERSİTESİ

Abstract

Rheumatoid arthritis (RA) is a chronic autoimmune disorder characterized by systemic inflammation, persistent synovitis, and other comorbidities, that affects 0.5-1.0% of the overall population. Long-term active RA causes severe joint damage, disabling pain and diminished life quality. The etiology of RA is not accurately understood, but it is thought to be due to an interaction between the responses of the innate and acquired immune systems. RA is characterized by the presence of Rheumatoid Factor (RF) and anti citrullinated peptide antibodies in the blood circulation. Also the composition of intestinal the gut microbiome is claimed to be critical in immune responses associated with RA. Changes in the microbiota are thought to be related to the risk and severity of the disease. Three regions; primarily the lungs, oral mucosa and gastrointestinal tract have been associated with changes in the microbiota. Commonly, the pharmaceutical treatment of RA includes non-steroidal anti-inflammatory drugs (NSAIDs) that are used to manage the pain and inflammation associated with RA and disease-modifying anti-rheumatic drugs that reduces pain by slowing down the disease. Unfortunately, remission is not likely in many patients. Moreover, side effects related to drugs are commonly reported. Some alterations in the patients’ life and environment are thought to aggravate symptoms, thus influencing severity of RA. For example RA patients, the participants asserted that consumption of red meat, alcoholic and non-alcoholic beverages worsen their symptoms, while nutrients such as fish and blueberries help alleviate the symptoms. To manage the adverse effects of RA, particular dietary alterations are suggested to be effective in reducing inflammation, increasing antioxidant levels, and improving lipid profiles. Antigenic load and food intolerance are thought to play a role in both the onset of Rheumatoid Arthritis. Besides, it has been shown that the intestinal mucosa of the patients would have become more permeable to allergens due to long term NSAIDs use. In this sense, Elimination Diet, Mediterranean Diet, Vegan/Vegetarian Diet approach, Omega-3 Fatty acids, Vitamin D and probiotic supplementation is thought to reduce disease activity. The purpose of this review is to evaluate the efficiency of certain dietary approaches and supplements used for lessening the RA related symptoms, based on the scientific evidence found in the literature.

Publisher

Afyon Kocatepe University

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