Public interest in Raynaud's phenomenon: A Google Trends analysis

Area of Science:

• Infodemiology and Public Health Surveillance
• Vascular Medicine and Autoimmune Diseases

Background:

• Raynaud's phenomenon is a prevalent vascular disorder affecting extremities.
• Infodemiological methods utilizing online search data can gauge public interest in diseases.

Purpose of the Study:

• To analyze the annual trends, seasonal patterns, and related search topics for Raynaud's phenomenon.
• To understand public interest and information-seeking behaviors concerning Raynaud's phenomenon.

Main Methods:

• Google Trends was employed to collect monthly relative search volume (RSV) data for "Raynaud syndrome".
• Data were gathered from the United States, United Kingdom, Australia, New Zealand, and globally.
• Analysis included related and annual-related search topics to identify public concerns.

Main Results:

• The highest search volume for Raynaud's phenomenon occurred in January 2019, with the lowest in August 2011.
• Search interest peaked during winter months and reached its lowest point in summer, indicating seasonal variation.
• Top related topics included "Maurice Raynaud," while rising topics focused on disease manifestations and autoimmune connective diseases.

Conclusions:

• Public interest in Raynaud's phenomenon exhibits significant seasonal variation, with a notable peak in winter.
• Associated diseases and pathogenesis are key areas of public concern, alongside treatment information.
• Infodemiology provides valuable insights into public health trends and patient information needs for Raynaud's phenomenon.