Obesity in the intensive care unit: risks and complications

Area of Science:

• Critical care medicine
• Obesity pathophysiology
• Intensive care unit (ICU) management

Background:

• Growing prevalence of critically ill obese patients presents diagnostic and management challenges.
• Obesity's impact varies by critical illness type, severity, and comorbidities.
• Obesity-associated pathophysiological changes increase risks for cardiovascular, pulmonary, and renal complications.

Purpose of the Study:

• To review the unique pathophysiology of critically ill obese patients.
• To discuss challenges in managing obesity in intensive care units (ICUs).
• To examine outcomes, including the obesity paradox, in obese ICU patients.

Main Methods:

• Literature review focusing on obesity in critical care.
• Analysis of pathophysiological changes related to obesity.
• Examination of management strategies and outcomes in intensive care units (ICUs).

Main Results:

• Obese patients face higher risks for acute cardiovascular, pulmonary, and renal complications.
• Obesity complicates mechanical ventilation, hemodynamic monitoring, and pharmacokinetics.
• A paradoxical lower intensive care unit (ICU) mortality is observed in obese patients.

Conclusions:

• Obesity significantly impacts critically ill patients, necessitating tailored management strategies.
• Understanding obesity's role in critical illness is crucial for improving patient outcomes.
• The "obesity paradox" warrants further investigation in intensive care unit (ICU) settings.