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Primary care research on hypertension: A bibliometric analysis using machine-learning.

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This study analyzes global hypertension research in Primary Health Care (PHC). Findings show a steady increase in publications, with 8 key research clusters and emerging interest in COVID-19 and telemedicine.

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Area of Science:

  • Bibliometrics and Machine Learning in Health Sciences
  • Public Health and Primary Health Care Research
  • Chronic Disease Management and Epidemiology

Background:

  • Hypertension is a critical global chronic disease and a common focus in Primary Health Care (PHC).
  • Unmanaged hypertension is a precursor to severe illnesses and fatalities.
  • Effective management within PHC is crucial for public health outcomes.

Purpose of the Study:

  • To conduct a comprehensive bibliometric analysis of hypertension research within the PHC domain.
  • To identify key research clusters, trends, and emerging topics using bibliometric and machine learning methods.
  • To map the landscape of hypertension research in PHC to inform future studies and clinical practice.

Main Methods:

  • Bibliometric analysis of articles from the Web of Science Core Collection.
  • Topic modeling using Latent Dirichlet Allocation (LDA) via Python libraries (Scikit-learn, Gensim, Wordcloud).
  • Data visualization using VosViewer and Bibliometrix R Biblioshiny.

Main Results:

  • A consistent rise in publication output concerning hypertension in PHC research.
  • Identification of 8 distinct research clusters: management, psychiatric links, pediatric/pregnancy, environmental factors, demographics, COVID-19, lifestyle/awareness, and treatment guidelines.
  • Intensive focus on risk factors (obesity, hyperlipidemia), complications (kidney disease, heart disease), and specific treatments (calcium channel blockers, amlodipine).

Conclusions:

  • The study provides the first comprehensive bibliometric overview of hypertension research in PHC.
  • Emerging research interests include social determinants, COVID-19, telemedicine, and diabetes mellitus.
  • Continued growth in publications highlights the sustained importance of hypertension research in PHC settings.