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Knee Surgery May Not Help and Could Even Make Things Worse

Published on June 22, 2026, 12:54 p.m.
Knee Surgery May Not Help and Could Even Make Things Worse

Topic: Research News

A common knee surgery called partial meniscectomy may not improve symptoms or function. In fact, it could make things worse over time.

A widely performed knee procedure known as partial meniscectomy has been found to be ineffective in improving symptoms and knee function. This study followed patients for 10 years and found that those who underwent the surgery did not experience better outcomes than those who had a placebo procedure.

The study, called FIDELITY, was conducted by researchers at the University of Helsinki and included a sham surgery control group. Participants with degenerative meniscal tears were randomly assigned to receive either partial meniscectomy or sham surgery, and their progress was tracked for 10 years.

Teppo Järvinen, Professor at the University of Helsinki and the principal investigator of the FIDELITY study, emphasizes the broader significance of the results:

Implications

A common knee surgery called partial meniscectomy may not improve symptoms or function. In fact, it could make things worse over time.


Source: https://www.sciencedaily.com/releases/2026/05/260505234603.htm

Journal Reference:

  1. Roope Kalske, Raine Sihvonen, Mika Paavola, Antti Malmivaara, Ari Itälä, Antti Joukainen, Juha Kalske, Heikki Nurmi, Pirjo Toivonen, Niko Sillanpää, Tommi Kiekara, Aleksandra Turkiewicz, Martin Englund, Simo Taimela, Teppo L.N. Järvinen. Arthroscopic Partial Meniscectomy for Degenerative Tear — 10-Year Outcomes. New England Journal of Medicine, 2026; 394 (17): 1757 DOI: 10.1056/NEJMc2516079

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