Clinicians' Perspectives on the Use of Intra-Articular Hyaluronic Acid as a Treatment for Knee Osteoarthritis: A North American, Multidisciplinary Survey

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Clinicians' Perspectives on the Use of Intra-Articular Hyaluronic Acid as a Treatment for Knee Osteoarthritis: A North American, Multidisciplinary Survey
Key Take-Away: 

This research has been mentioned as the first paper addressing clinician’s perceptions regarding the use of Intra- Articular Hyaluronic Acid for the treatment of knee osteoarthritis. Here, additional research in this context needs to be done to get further refined results.

This study aims to describe the perceptions of orthopedic surgeons on the efficacy of intra-articular hyaluronic acid (IA-HA), the influence of IA-HA product characteristics on its efficacy, and to identify patterns and factors related to the use of IA-HA.

ABSTRACT: 
Background: 

This study aims to describe the perceptions of orthopedic surgeons on the efficacy of intra-articular hyaluronic acid (IA-HA), the influence of IA-HA product characteristics on its efficacy, and to identify patterns and factors related to the use of IA-HA.

Additionally, this study examines factors that influence IA-HA brand selection, focusing on Euflexxa® (1% sodium hyaluronate).

Methods: 

We developed survey questions by reviewing the current literature and consulting with experts on the use of IA-HA in the management of knee osteoarthritis (OA).

The survey included questions on demographics, previous experience with knee OA treatment, opinions on different treatment methods, and where information regarding treatments is obtained. Additionally, questions specific to opinions regarding IA-HA and the reasoning behind these opinions were asked.

Results: 

A total of 117 orthopedic surgeons and physicians completed the survey. IA-HA is most frequently prescribed to patients with early-stage (82%) or mid-stage (82.8%) OA, while fewer orthopedic surgeons and physicians use IA-HA for patients with late-stage OA (57.4%).

Respondents were generally uncertain of the effects that intrinsic characteristics, such as molecular weight, cross-linking, and production process, had on patient outcomes. Respondents typically use their own clinical experience and results as a deciding factor in utilizing IA-HA treatment, as well as in choosing an IA-HA brand.

Conclusion: 

Uncertainty regarding the efficacy of IA-HA treatments is likely due to inconsistency within clinical guidelines and the current literature.

Additional research investigating the efficacy of IA-HA treatment and how product characteristics affect outcome and safety is required to provide clarity to the controversy surrounding IA-HA treatment for knee OA.

Clinical Medicine Insights: Arthritis and Musculoskeletal Disorders 2016;9: 21–27

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