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According to a study published in the March issue of the journal Arthroscopy, arthroscopic treatment may not reduce or delay the need for arthroplasty for knee osteoarthritis (OA) but could help relieve symptoms compared to conservative treatment. 

The researchers conducted a retrospective, comparative study of 382 patients, 214 of whom were treated with arthroscopy and 168 of whom were treated conservatively. At one- and two-year follow-ups, they found that Western Ontario and McMaster Universities Osteoarthritis Index score was significantly lower in the arthroscopy group than in the conservative group. However, at five years, there was no significant difference across cohorts in number of patients who had undergone total knee arthroplasty (TKA). Learn more...