Obesity in the critically ill: a narrative review.

Abstract:

:The World Health Organization defines overweight and obesity as the condition where excess or abnormal fat accumulation increases risks to health. The prevalence of obesity is increasing worldwide and is around 20% in ICU patients. Adipose tissue is highly metabolically active, and especially visceral adipose tissue has a deleterious adipocyte secretory profile resulting in insulin resistance and a chronic low-grade inflammatory and procoagulant state. Obesity is strongly linked with chronic diseases such as type 2 diabetes, hypertension, cardiovascular diseases, dyslipidemia, non-alcoholic fatty liver disease, chronic kidney disease, obstructive sleep apnea and hypoventilation syndrome, mood disorders and physical disabilities. In hospitalized and ICU patients and in patients with chronic illnesses, a J-shaped relationship between BMI and mortality has been demonstrated, with overweight and moderate obesity being protective compared with a normal BMI or more severe obesity (the still debated and incompletely understood "obesity paradox"). Despite this protective effect regarding mortality, in the setting of critical illness morbidity is adversely affected with increased risk of respiratory and cardiovascular complications, requiring adapted management. Obesity is associated with increased risk of AKI and infection, may require adapted drug dosing and nutrition and is associated with diagnostic and logistic challenges. In addition, negative attitudes toward obese patients (the social stigma of obesity) affect both health care workers and patients.

journal_name

Intensive Care Med

journal_title

Intensive care medicine

authors

Schetz M,De Jong A,Deane AM,Druml W,Hemelaar P,Pelosi P,Pickkers P,Reintam-Blaser A,Roberts J,Sakr Y,Jaber S

doi

10.1007/s00134-019-05594-1

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

757-769

issue

6

eissn

0342-4642

issn

1432-1238

pii

10.1007/s00134-019-05594-1

journal_volume

45

pub_type

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