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Abstract
Background: Hyaluronic acid injections remain a common nonsurgical alternative for the treatment of knee osteoarthritis despite limited clinical evidence and varying global recommendations regarding its use. We used the Google Trends tool to provide a quantitative analysis of public interest in hyaluronic acid injections for knee osteoarthritis in the United States and Europe.Methods: We customized Google Trends parameters to obtain search data from January 2009 to December 2019 in both the United States and Europe. Combinations of "arthritis", "osteoarthritis", "hyaluronic acid", "knee arthritis", "knee osteoarthritis", and "knee injection" were entered into the Google Trends tool, and trend analyses were performed.Results: The models generated to describe public interest in hyaluronic acid for knee injections in both the United States and Europe showed increased Google queries as time progressed (P < .001). The United States growth model displayed linear growth (r2= 0.90) while the European growth model displayed exponential growth (r2= 0.90).Conclusions: Our results indicate a significant increase in Google queries related to hyaluronic acid injections for knee osteoarthritis since 2009 in both the United States and Europe. Our models suggest that despite mixed evidence supporting its use, orthopedic surgeons should expect continued public interest in hyaluronic acid for knee osteoarthritis. The results of our study may help to prepare surgeons for patient inquiries, inform the creation of evidence-based shared decision-making tools, and direct future research.
View details for DOI 10.1016/j.artd.2022.09.003
View details for PubMedID 36353188