Risk Factors of COVID-19 associated mucormycosis in Iranian patients: a multicenter study

BMC Infect Dis. 2024 Aug 22;24(1):852. doi: 10.1186/s12879-024-09755-6.

Abstract

Background: To evaluate the demographic, clinical, and prognostic characteristics of patients diagnosed with COVID-19-associated mucormycosis (CAM) in Iranian patients.

Methods: This prospective observational study was conducted in 8 tertiary referral ophthalmology centers in different provinces of Iran during the fifth wave of the COVID-19 pandemic. All patients were subjected to complete history taking and comprehensive ophthalmological examination and underwent standard accepted treatment strategy based on the disease stage.

Results: Two hundred seventy-four CAM patients (most were males (150, 54.7%)) with a mean age of 56.8 ± 12.44 years were enrolled. Patients with a history of cigarette smoking (Adjusted Odds Ratio (AOR) = 4.36), Intensive Care Unit admission (ICU) (AOR = 16.26), higher stage of CAM (AOR = 2.72), and receiving endoscopic debridement and transcutaneous retrobulbar amphotericin B (AOR = 3.30) had higher odds of mortality. History of taking systemic corticosteroids during COVID-19 was significantly associated with reduced odds of mortality (AOR = 0.16). Generalized Estimating Equations analysis showed that the visual acuity of deceased patients (LogMAR: 3.71, 95% CI: 3.04-4.38) was worse than that of patients who were discharged from the hospital (LogMAR: 2.42, 95% CI: 2.16-2.68) (P < 0.001).

Conclusions: This study highlights significant risk factors for mortality in patients with CAM, such as cigarette smoking, ICU admission, advanced CAM stages, receiving transcutaneous retrobulbar amphotericin B and worser visual acuity. Conversely, a history of systemic corticosteroid use during COVID-19 was linked to reduced mortality. These findings underscore the critical need for early identification and targeted interventions for high-risk CAM patients to improve clinical outcomes.

Keywords: COVID-19; Fungal infection; Mucormycosis; Rhino-orbito-cerebral mucormycosis.

Publication types

  • Multicenter Study
  • Observational Study

MeSH terms

  • Adult
  • Aged
  • Amphotericin B / therapeutic use
  • Antifungal Agents / therapeutic use
  • COVID-19* / complications
  • COVID-19* / epidemiology
  • COVID-19* / mortality
  • Debridement
  • Female
  • Humans
  • Intensive Care Units / statistics & numerical data
  • Iran / epidemiology
  • Male
  • Middle Aged
  • Mucormycosis* / complications
  • Mucormycosis* / drug therapy
  • Mucormycosis* / epidemiology
  • Mucormycosis* / mortality
  • Prospective Studies
  • Risk Factors
  • SARS-CoV-2*

Substances

  • Antifungal Agents
  • Amphotericin B