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In the interesting linked article,1 authors Dr Raine Sihvonen and colleagues suggest that arthroscopic partial meniscectomy (APM) may lead to long-term harms (by increasing the risk of knee osteoarthritis (OA)) with no clear benefits in patient-reported outcomes. This study was a carefully executed multicentre, randomised, participant-blinded and outcome assessor-blinded, placebo-surgery controlled efficacy trial in participants aged 35 to 65 years who had had knee symptoms for more than 3 months, consistent with the diagnosis of a degenerative medial meniscus tear.1 Participants had not responded to conventional conservative treatment and were free of advanced knee osteoarthritis. A degenerative meniscus tear was verified on both MRI and knee arthroscopy. Patients with an obvious traumatic onset of symptoms or a recent history of a locked knee were excluded. Participants were followed up by questionnaires at 2, 6, 12, 24, 36, 48 and 60 months. At the 24-month and 60-month follow-up, standardised clinical examinations were carried out to …
Contributors Both have written and revised the editorial.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; internally peer reviewed.