Journal
MEDICAL PRINCIPLES AND PRACTICE
Volume 30, Issue 6, Pages 585-591Publisher
KARGER
DOI: 10.1159/000518792
Keywords
Baker's cyst; Knee osteoarthritis; Conservative treatments
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This study compared the symptom burden in patients with knee osteoarthritis and those with knee osteoarthritis associated with Baker's cyst, as well as assessed the outcomes after conservative treatments. It was found that Baker's cysts contribute to the burden of symptoms and conservative treatment can lead to significant improvements in the short term. However, the efficacy of therapy declines in the medium term for patients with knee osteoarthritis associated with Baker's cyst.
Objective: Several symptoms are common to knee osteoarthritis and Baker's cyst. To what extent each condition contributes to the patient's discomfort is still a matter of debate. The aim of the present study was twofold: first, to compare the burden of symptoms in patients with isolated knee osteoarthritis and patients with knee osteoarthritis associated with Baker's cyst; second, to assess the outcomes after conservative treatments. Subject and Methods: Patients suffering from monolateral idiopathic knee osteoarthritis were enrolled. Demographic, anthropometric and clinical data (KOOS scale) were collected. Ultrasound evaluation was performed according to standard protocols. On the basis of the clinical presentation different therapeutic options were used (fluid withdrawal, hyaluronic acid and/or steroids injections). Results: One-hundred and thirty patients were included in the study (97 with isolated knee osteoarthritis, 33 with knee osteoarthritis and Baker's cyst). In basal conditions, lower scores in KOOS sub-scales were observed in patients with knee osteoarthritis associated with Baker's cyst and in patients with effusion compared with patients without effusion. At 3 months after therapy significant higher scores were observed in both groups. At 6 months the scores were unchanged in the patients without Baker's cyst, but worsened in those with Baker's cyst. Conclusions: The study shows that Baker's cysts associated with knee osteoarthritis contribute to the burden of symptoms. The conservative treatment of both conditions allows significant improvements, but in the medium term (6 months) the efficacy of the therapy declines in patients with knee osteoarthritis associated with Baker's cyst. (C) 2021 The Author(s) Published by S. Karger AG, Basel
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