Prevalence of Injection-Related Bacterial and Fungal Infection Among People Who Inject Drugs: A Systematic Review and Meta-analysis - Summary - MDSpire

Prevalence of Injection-Related Bacterial and Fungal Infection Among People Who Inject Drugs: A Systematic Review and Meta-analysis

  • By

  • Alice Wheeler

  • Jeffrey Masters

  • Alyssa Pradhan

  • Jess Monineath Roth

  • Louisa Degenhardt

  • Gregory J Dore

  • Gail V Matthews

  • Evan B Cunningham

  • Amy Peacock

  • Samantha Colledge-Frisby

  • Jason Grebely

  • Behzad Hajarizadeh

  • Marianne Martinello

  • February 24, 2025

  • 0 min

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Objective:

To evaluate the prevalence and incidence of injection-related infections among people who inject drugs (PWID), distinguishing between the two metrics.

Key Findings:
  • Prevalence of skin and soft-tissue infections was 13% in the past month (95% CI: 9%-19%), 30% in the past 3–12 months (95% CI: 23%-37%), and 47% across a lifetime (95% CI: 29%-66%).
  • Prevalence of endocarditis was 2% in the past month (95% CI: 1%-3%), 2% in the past 3–12 months (95% CI: 2%-3%), and 6% across a lifetime (95% CI: 3%-10%).
  • Prevalence of sepsis/bloodstream infection was 1% in the past month (95% CI: 1%-2%), 7% in the past 3–12 months (95% CI: 4%-13%), and 8% across a lifetime (95% CI: 3%-19%).
Interpretation:

Injection-related infections are prevalent among PWID, indicating a significant public health concern that necessitates targeted interventions to reduce their occurrence and improve health outcomes.

Limitations:
  • The review may not capture all relevant studies due to publication bias, which could skew the understanding of infection prevalence.
  • Variability in study methodologies and definitions of infections may affect the reliability of pooled estimates, potentially leading to misinterpretation of the data.
Conclusion:

Injection-related infections represent a common complication of injecting drug use, highlighting the urgent need for targeted interventions to mitigate their impact on public health.

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