Rehabilitation is widely recommended in national and international guidelines for managing osteoarthritis (OA) in primary care settings. According to the 2014 OA Research Society International (OARSI) recommendations, rehabilitation is even considered the core treatment of OA and is recommended for all patients. Rehabilitation for OA widely includes land- and water-based exercise, strength training, weight management, self-management and education, biomechanical interventions, and physically active lifestyle. We performed a critical narrative review of the efficacy and safety of rehabilitation for managing OA and discuss evidence-based international recommendations. The process of article selection was unsystematic. Articles were selected based on authors' expertise, self-knowledge, and reflective practice. For the purpose of the review, we focused on land- and water-based exercise and strength training for knee, hip and hand OA. Other aspects of rehabilitation in OA are treated elsewhere in this special issue. Exercise therapy is widely recommended for managing knee, hip and hand OA. However, the level of evidence varies according to OA location. Overall, consistent evidence suggests that exercise therapy and specific strengthening exercise or strength training for the lower limb reduce pain and improve physical function in knee OA. Evidence for other OA sites are less consistent. Therefore, because of the lack of specific studies, recommendations for hip and hand OA are mainly derived from studies of knee OA. In addition, no recommendations have been established regarding the exercise regimen. The efficacy and safety of exercise therapy and strength training need to be further evaluated in randomized controlled trials of patients with hip and hand OA. The optimal delivery of exercise programs also has to be more clearly defined.
Pharmacological treatments are widely recommended in international guidelines for management of osteoarthritis (OA). However, the use of intra-articular (IA) therapies of diverse active drugs remains controversial. We critically reviewed studies of the efficacy and safety of IA injections of corticosteroids (CS), hyaluronic acid (HA), platelet-rich plasma (PRP), and botulinum toxin A (BTA) and evidence-based international recommendations for their use in treating knee OA. The process of article selection was unsystematic. Articles were selected on the basis of authors' expertise, self-knowledge, and reflective practice. Only studies assessing knee OA were included. IA CS and HA injections were conditionally to fully recommended for treating knee OA. No recommendations have been formulated for IA PRP or BTA. The evidence remains inconsistent and controversial for the use of IA therapies for knee OA. The characteristics of and selection criteria for the OA population that would likely benefit from these therapies need to be identified. Accurately phenotyping and selecting patients is mandatory in future randomized controlled trials. Therefore, efficacy and safety meta-analyses should be performed, as should qualitative and sensitivity analyses of published trial results.
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