期刊
CRITICAL CARE MEDICINE
卷 38, 期 12, 页码 2329-2334出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CCM.0b013e3181fa0561
关键词
adiponectin; respiratory insufficiency; critical illness; biologic markers; epidemiology; translational research
资金
- Boston University [KO8-HL-077138]
- National Heart, Lung and Blood Institute [K23-HL81431]
- Vanderbilt National Center for Research Resources/National Institutes of Health CTSA [UL1 RR024975]
Objective: Adiponectin, an anti-inflammatory cytokine produced by adipose tissue, has been shown to modulate survival in animal models of critical illness. We examined the association between plasma adiponectin and clinical outcomes in critically ill patients with acute respiratory failure. Design: Secondary analysis of a single-center, randomized controlled trial. Setting: Medical intensive care unit of a university-based, tertiary medical center. Patients: One hundred seventy-five subjects with acute respiratory failure enrolled in randomized, controlled pilot trial of Early versus Delayed Enternal Nutrition (EDEN pilot study). Interventions: None. Measurements and Main Results: Adiponectin measured within 48 hrs of respiratory failure (Apn1) was inversely correlated with body mass index (r = -0.25, p = .007) and was higher in females (median, 12.6 mu g/mL; interquartile range, 7.6-17.1) than males (9.45 mu g/mL; 6.2-14.2; p = .02). Adiponectin increased at day 6 (Apn1: 11.4 mu g/mL [6.6-15.3] vs. Apn6: 14.1 mu g/mL [10.3-18.6], p < .001). This increase was significant only in survivors (Delta adiponectin in survivors: 3.9 +/- 6 mu g/mL, n = 80, p < .001 vs. Delta in nonsurvivors: 1.69 +/- 4.6 mu g/mL, n = 14, p = .19). Higher Apn1 was significantly associated with 28-day mortality (odds ratio 1.59 per 5-mu g/mL increase; 95% confidence interval 1.15-2.21; p = .006). No measured demographic, clinical, or cytokine covariates, including interleukin-6, interleukin-8, interleukin-10, interleukin-1 beta, interleukin-12, tumor necrosis factor-alpha, and interferon-gamma, were confounders or effect modifiers of this association between adiponectin and mortality. Conclusions: Independent of measured covariates, increased plasma adiponectin levels measured within 48 hrs of respiratory failure are associated with mortality. This finding suggests that factors derived from adipose tissue play a role in modulating the response to critical illness. (Crit Care Med 2010; 38:2329-2334)
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