Influence of smoking on HIV infection among HIV-infected Japanese men

Fukuko Oka1, Toshio Naito, Miki Oike

  • 1Department of General Medicine, Juntendo University School of Medicine, 2-1-1 Bunkyo-ku, Hongo, Tokyo, 113-8421, Japan.

Insights

For HIV-infected Japanese men, heavy smoking (Brinkman Index ≥600) is linked to AIDS-defining events. Reducing smoking is crucial for managing HIV disease progression in this population.

Area of Science:

  • Public Health
  • Infectious Diseases
  • Epidemiology

Background:

  • Smoking is a prevalent behavior globally, with significant health implications.
  • Human Immunodeficiency Virus (HIV) infection requires ongoing management to prevent disease progression.
  • Understanding lifestyle factors, such as smoking, is essential for optimizing HIV care, particularly in specific demographic groups.

Purpose of the Study:

  • To investigate the association between smoking habits and the occurrence of AIDS-defining events in HIV-infected Japanese men.
  • To quantify smoking exposure using the Brinkman Index (BI) and its correlation with disease progression.

Main Methods:

  • A cross-sectional study was conducted with 100 HIV-infected Japanese men without hemophilia.
  • Smoking history was collected via questionnaire.
  • The Brinkman Index (BI) was calculated (cigarettes/day × years of smoking).

Main Results:

  • 40% of participants were current smokers, with the highest prevalence (50%) in men in their forties.
  • The mean BI was 450.
  • A BI ≥600 was significantly more prevalent in patients who had experienced an AIDS-defining event compared to those who had not.
  • A BI ≥600 was independently associated with an AIDS-defining event.

Conclusions:

  • Smoking, particularly heavy smoking indicated by a BI ≥600, is associated with an increased risk of AIDS-defining events in HIV-infected Japanese men.
  • Public health initiatives and clinical interventions aimed at smoking cessation are critical for improving disease management and outcomes in this population.

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