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Cardiogenic shock and nutrition: safe?

Wernerman, Jan
Published in Intensive care medicine. 2011, vol. 37, no. 1, p. 35-45
Collection Open Access - Licence nationale Springer
Abstract Cardiogenic shock is a common diagnosis in patients in the intensive care unit (ICU), and is characterized by a decreased cardiac output in the presence of adequate intravascular volume associated with an inadequate tissue perfusion including a physiological reduction in the splanchnic territory. It may occur in isolation as a reflection of cardiac pathology, or it may be part of a shock syndrome involving other pathogenic mechanisms. As the use of enteral nutrition (EN) is associated with an increase in mesenteric arterial output, EN could be deleterious by overwhelming the mechanisms of mesenteric adaptation. Accordingly, EN has been suspected to increase the risk of mesenteric ischaemia, bacterial translocation and sepsis in ICU patients with cardiogenic shock. International guidelines recommend a cautious use of EN within 72 h following cardiogenic shock. Recent evidence indicates that mesenteric arterial output may decrease during parenteral nutrition administration, suggesting that parenteral nutrition could have a protective effect on splanchnic organs in ICU patients with cardiogenic shock. Contrary to former beliefs, several meta-analyses have shown that parenteral nutrition is not associated with increased mortality. Exclusive EN is associated with negative energy balance and the combination of EN with supplemental parenteral nutrition during the first days following ICU admission has been proposed to prevent negative energy balance. Such a nutritional strategy could also be beneficial for the mesenteric circulation in cardiogenic shock, and consequently may improve the clinical outcome of patients with cardiogenic shock. Clinical trials are warranted to verify these hypotheses.
Keywords AnimalsCritical Illness/therapyEnteral Nutrition/adverse effectsHemodynamicsHumansLiver CirculationMalnutrition/therapyNutritional SupportShock, Cardiogenic/physiopathology/therapySplanchnic Circulation
PMID: 21086113
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Article (Published version) (346 Kb) - public document Free access
Research groups Groupe de recherche en hémodynamique (913)
Nutrition clinique (597)
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THIBAULT, Ronan et al. Cardiogenic shock and nutrition: safe?. In: Intensive care medicine, 2011, vol. 37, n° 1, p. 35-45. doi: 10.1007/s00134-010-2061-8 https://archive-ouverte.unige.ch/unige:24427

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Deposited on : 2012-12-12

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