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Accelerating Global Interest in Genicular Artery Embolization: A Google Trends Analysis.

Ann-Katrin Kaufmann-Bühler1,2, Tazio Maleitzke3,4,5,6, Alexander Hildebrandt3

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Summary

Global online searches for genicular artery embolization (GAE) are growing faster than for knee replacement. This highlights a rising interest in minimally invasive osteoarthritis treatments and the need for better patient education.

Keywords:
Google Trendsarterial embolizationinterventional radiologykneeosteoarthritis

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Area of Science:

  • Interventional Radiology
  • Orthopedic Surgery
  • Health Services Research

Background:

  • Genicular artery embolization (GAE) is an emerging minimally invasive treatment for osteoarthritis.
  • Traditional knee replacement surgery is a common treatment for osteoarthritis.
  • Assessing public interest in these treatments is crucial for understanding healthcare trends.

Purpose of the Study:

  • To compare global online search trends for genicular artery embolization (GAE) versus traditional knee replacement.
  • To analyze the growth rates of search volumes for these osteoarthritis treatments.

Main Methods:

  • A retrospective observational study using Google Trends data from January 2018 to December 2024.
  • Analysis of relative search volumes (RSV) for English-language queries related to GAE and knee replacement.
  • Temporal trend analysis using linear and non-linear regression models.

Main Results:

  • GAE-related search terms showed significant monthly growth (0.9% for "genicular artery embolization", 0.9% for "knee embolization").
  • Traditional knee replacement terms exhibited slower growth rates (0.13-0.23% per month).
  • Despite lower overall search volume, GAE terms demonstrated a substantially faster rate of increase.

Conclusions:

  • Online interest in GAE is growing at a significantly faster rate than for traditional knee replacement.
  • The increasing search interest underscores the need for accessible online patient education on emerging osteoarthritis treatments.
  • This trend suggests a potential shift in patient preference towards minimally invasive options.