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OnMedica – News – Fibre-rich diet linked to lowered risk of painful knee osteoarthritis

Findings from two lengthy-time period research present further profit from fibre in diet

Ingrid Torjesen

Wednesday, 24 May 2017

A fibre-wealthy diet is linked to a lowered risk of painful knee osteoarthritis, a study* revealed on-line within the Annals of the Rheumatic Diseases has discovered.

The researchers accessed knowledge from two US research to discover out if dietary fibre may need any bearing on the dangers of x-ray proof of knee osteoarthritis, symptomatic knee osteoarthritis (x-ray proof and signs, reminiscent of ache and stiffness), and worsening knee ache.

The first of these research was the Osteoarthritis Initiative (OAI), which has been monitoring the health of almost 5,000 US males and women with, or at risk of, osteoarthritis since 2004-6 (common age 61), to pinpoint potential risk elements for the situation.

The second was half of the Framingham Offspring cohort research, which has been monitoring the health of greater than 1,200 grownup youngsters of the unique Framingham Heart Study and their companions since 1971. For the present research, outcomes are based mostly on knowledge first taken between 1993-Four, when members have been 54, on common, up to 2002-5.

For each research, dietary fibre consumption was measured utilizing Food Frequency Questionnaire responses. It averaged out at round 15g every day within the OAI, and 19g day by day within the Framingham Offspring research.

Information on signs and x-ray proof have been collected yearly for 4 years within the OAI and assessed after 9 years within the Framingham Offspring research. Data have been additionally gathered on probably influential elements, resembling knee damage/surgical procedure, medicine, and way of life, together with tobacco and alcohol use and bodily train.

At the top of 4 years, among the many Four,051 individuals within the OAI with full knowledge on dietary fibre consumption, 869 knees have been symptomatic; 152 displayed x-ray proof of osteoarthritis; and ache had worsened in 1,964.

After a mean of 9 years, amongst 971 members within the Framingham Offspring research with full dietary fibre knowledge, 143 knees have been symptomatic and 175 displayed x-ray proof of osteoarthritis.

Analysis of the info confirmed that consuming extra fibre was related to a decrease risk of painful knee osteoarthritis. Compared with the bottom consumption (backside 25% of individuals), the very best consumption (prime 25%) was related to a 30% decrease risk within the OAI and a 61% decrease risk within the Framingham research. But it was not related to x-ray proof of knee osteoarthritis.

Additionally, among the many OAI members, consuming extra fibre usually, and a excessive cereal fibre consumption have been related to a considerably decrease risk of worsening knee ache.

The researchers stated: “These data demonstrate a consistent protective association between total fibre intake and symptom-related knee [osteoarthritis] in two study populations with careful adjustment for potential confounders.”

* Dai Z, Niu J, Zhang Y, et al Dietary consumption of fibre and risk of knee osteoarthritis in two US potential cohorts Annals of the Rheumatic Diseases, revealed on-line first: 23 May 2017. DOI: 10.1136/annrheumdis-2016-210810

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