Multi-Joint Arthritis Bodes Poorly for Healthy Aging

A recent study published in Arthritis Care & Research reveals that individuals with osteoarthritis (OA) affecting two or more joints experience significantly faster frailty progression compared to those with single-joint OA or no OA at all. Researchers from Sherbrooke University in Quebec, led by Myles O'Brien, PhD, analyzed data from the Canadian Longitudinal Study on Aging (CLSA) involving over 1,000 participants.

The study found that those with multi-joint OA had a 40-47% faster rate of frailty progression over a 6-year period, even though they started with higher baseline frailty scores. This suggests that OA impacts multiple joints and the body as a whole, making it a key determinant of frailty trajectories. The findings underscore the importance of monitoring frailty in individuals with multi-joint OA to aid in risk stratification and support care approaches aimed at maintaining function and independence.

While it is well-established that OA contributes to frailty, prior research has suggested that the relationship goes beyond reduced physical activity. Factors such as pain, disability, depression, social isolation, increased medication use, and the interaction between frailty and hospitalization may all play a role in the progression of frailty.

However, this study is the first to distinguish the impact of the number of OA-affected joints on frailty.