Resumo

BORDEJE LAGUNA, M.ª Luisa. Our great forgotten, chronic respiratory sufferers. Nutr. Hosp. [online]. 2017, vol.34, suppl.1, pp.38-45. ISSN 1699-5198.  https://dx.doi.org/10.20960/nh.1238.

Lung's own properties make that nutritional support, besides covering the requirements can modulate its inflammatory response. Lung tissue has a low glucose stock. Fatty acids are the main energy producer of type II pneumocytes, which use them in order to form phospholipids, essential for surfactant whose creation and release decrease in acute lung injury (ALI). Glutamine is a good substratum for endocrine cells and type II pneumocytes. Due to high nutritional risk, it is important its assessments in disorders as COPD and acute respiratory distress syndrome (ADRS). Indirect calorimetry values the effect of ventilation and nutritional support, avoiding overfeeding. Hypophosphatemia and refeeding syndrome are frequent and need to be avoided because of their morbidity. In critically ill patients, malnutrition can lead to respiratory failure and increasing mechanical ventilation time. To avoid hypercapnia in weaning, glucose levels should be controlled. High lipids/carbohydrates ratio do not show usefulness in COPD neither mechanical ventilation removal. ALI patients beneficiate from an early start and the volume administered. Enteral nutrition with high fatty acids ratio (EPA, DHA and γ-linolenic acid) and antioxidants do not show any superiority. Omega-3 fatty acid in parenteral nutrition could modulate inflammation and immunosuppression in a positive manner. The use of glutamine, vitamins or antioxidants in these patients could be justified.

Palavras-chave : COPD; ALI; ARDS; VCO₂; Hypermetabolism; Malnutrition.

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