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Association of pre-existing comorbidities and complications with inpatient COVID-19 mortality - a single-center

Damian Palus1, Martyna Gołębiewska2, Olga Piątek-Dalewska3,4

  • 1Department of Hypertension and Diabetology, Medical University of Gdansk, Poland.

Cardiology Journal
|February 25, 2025
PubMed

Insights

COVID-19 patients with chronic kidney disease, atrial fibrillation, and heart failure face higher mortality risks. In-hospital complications like respiratory failure and myocardial infarction significantly increase the likelihood of fatal outcomes.

Area of Science:

  • Medical research
  • Epidemiology
  • Clinical outcomes

Background:

  • Investigating factors influencing COVID-19 mortality.
  • Assessing the impact of pre-existing conditions and hospital-acquired complications.

Purpose of the Study:

  • To evaluate the effect of comorbidities and in-hospital complications on COVID-19 mortality.
  • Identify key risk factors for fatal outcomes in hospitalized COVID-19 patients.

Main Methods:

  • Retrospective analysis of 640 COVID-19 patients' electronic health records.
  • Data collection on demographics, comorbidities, and complications.
  • Statistical analysis using odds ratios to determine mortality risk factors.

Main Results:

  • Mortality risk increased significantly in patients aged 65 and older.
  • Pre-existing conditions like chronic kidney disease, atrial fibrillation, and heart failure were major predictors of mortality.
  • In-hospital complications including severe respiratory failure, myocardial infarction, and acute kidney injury substantially elevated mortality risk.

Conclusions:

  • Pre-existing renal and cardiovascular conditions are associated with increased COVID-19 mortality.
  • Early detection and management of complications in high-risk patients are crucial for reducing mortality.
  • Further research is warranted to align findings with existing literature.
Abstract

Keywords:
COVID-19 complicationsSARS-CoV-2comorbidityin-hospital mortalityrisk factors

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