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Acta Orthop. 2018 Jun;89(3):336-344. doi: 10.1080/17453674.2018.1447281. Epub 2018 Mar 5.

Patient-reported symptoms and changes up to 1 year after meniscal surgery.

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a Research Unit for Musculoskeletal Function and Physiotherapy , Department of Sports Science and Clinical Biomechanics , University of Southern Denmark , Odense.
b Department of Physiotherapy and Occupational Therapy , Naestved-Slagelse-Ringsted Hospitals , Denmark , Region Zealand , Slagelse.
c Department of Orthopaedic Surgery , Lillebaelt Hospital in Kolding , Kolding.
d Department of Orthopaedics and Traumatology , Odense University Hospital , Denmark.


Background and purpose - Detailed information on the symptoms and limitations that patients with meniscal tears experience is lacking. This study was undertaken to map the most prevalent self-reported symptoms and functional limitations among patients undergoing arthroscopic meniscal surgery and investigate which symptoms and limitations had improved most at 1 year after surgery. Patients and methods - Patients aged 18-76 years from the Knee Arthroscopy Cohort Southern Denmark (KACS) undergoing arthroscopic meniscal surgery were included in this analysis of individual subscale items from the Knee Injury and Osteoarthritis Outcome Score and 1 question on knee stability. Severity of each item was scored as none, mild, moderate, severe, or extreme. Improvements were evaluated using Wilcoxon's signed-rank test and effect size (ES). Results - The most common symptoms were knee grinding and clicking, knee pain in general, pain when twisting and bending the knee and climbing stairs (88-98%), while the most common functional limitations were difficulty bending to the floor, squatting, twisting, kneeling, and knee awareness (97-99%). Knee pain in general and knee awareness improved most 1 year after meniscal surgery (ES -0.47 and -0.45; p < 0.001), while knee instability and general knee difficulties improved least (ES 0.10 and -0.08; p < 0.006). Interpretation - Adults undergoing surgery for a meniscal tear commonly report clinical symptoms and functional limitations related to their daily activities. Moderate improvements were observed in some symptoms and functional limitations and small to no improvement in others at 1 year after surgery. These findings can assist the clinical discussion of symptoms, treatments, and patients' expectations.

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