COVID-19: intensive care units, mechanical ventilators, and latent mortality profiles associated with case-fatality

Rafael da Silveira Moreira1

  • 1Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, Brazil.

Insights

Regions in Brazil with high COVID-19 mortality from comorbidities also face shortages in intensive care unit (ICU) beds and ventilators. This highlights critical disparities needing policy attention for equitable epidemic response.

Area of Science:

  • Public Health
  • Epidemiology
  • Health Services Research

Background:

  • COVID-19 necessitates increased intensive care unit (ICU) capacity globally.
  • Specific comorbidities like respiratory diseases, neoplasms, hypertension, and diabetes are linked to higher COVID-19 case-fatality.
  • Brazil faces challenges in matching healthcare resources to regional disease burdens.

Purpose of the Study:

  • To identify Brazilian Health Regions with high mortality rates from key comorbidities.
  • To pinpoint regions experiencing shortages of ICU beds and mechanical ventilators.
  • To analyze the spatial overlap between high comorbidity mortality and limited critical care resources.

Main Methods:

  • Cross-sectional ecological study utilizing data from DATASUS (2017-2019).
  • Calculated disease-specific mortality rates and ICU bed/ventilator availability per 100,000 inhabitants.
  • Employed latent profile analysis for mortality patterns and spatial scan statistics for resource analysis.
  • Visualized data using Kernel maps.

Main Results:

  • Four distinct latent mortality profiles were identified across Brazilian Health Regions.
  • Regions exhibiting the highest mortality rates from comorbidities were found to have significant shortages of ICU beds and ventilators.
  • This disparity was particularly pronounced in parts of the Northeast, Southeast, and South regions of Brazil.

Conclusions:

  • A critical spatial overlap exists between high comorbidity-related mortality and insufficient ICU bed/ventilator resources in Brazil.
  • Policymakers and public health planners must address these geographical disparities for effective and equitable COVID-19 management.
  • Targeted resource allocation is essential to mitigate the impact of COVID-19 in vulnerable regions.

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