Male of 34 years, without antecedent of interest, that suffers traffic accident with the following injuries: 3 ribs fractures, colon break and blind, left neumothorax and crushing fracture of L12 and is practiced laparotomy. 48h. after, he presents acute respiratory insufficiency, with infiltrated cotonny pulmonary bilateral, he need mechanical ventilation with FiO2 50% and PEEP 10. sedating with midazolam and Cl. mórfico. Without fever and stable haemodinamic. APACHE to 1st day10 To 3st day present the following nutritional data, in FASTING situation: Weight 70 kg Albumin 1,7 g/dl (3,2 - 5,5) Height 173 cm Transferrin 120 mg/dl (252 - 429) Ideal Weight 67,5 kg. PreAlbumin <7 md/dl (17 -42) Harris-Benedict 1545 cal/día Colesterol 142 mg/dl (150 -220) Urine Nitrogen 14 gr/24h Index Creatinina/Height 88% RESPONSES: ¿How many caloríes will you suggest? cálculation by?: Harris-Benedict x Factor or Calorias x Kg de peso or Segun Mi Protocolo or Segun mi experiencia or other calculation for calories: ¿ How many Nitrógen ? cálculation by ?: gr nitrogeno x kg peso or Segun Mi Protocolo or Segun mi Experiencia or other calculation for nitrógen: If Parenteral, what product will you suggest Type of carbohidratos: Glucosa FGX Type of grasas: LCT LCT/MCT Sin grasas Percentage CH/Grasas: 70/30 60/40 50/50 40/60 30/70 Type of aminoácidos: Estandar Ramificados Esenciales Fisher If Enteral, what product will you suggest Type of enteral product: Polimerica Concentrada Hiperproteica Inmunonutricion Oligomerica Especial estres Especial Renal Especial Diabetes Especial Pulmonar Especial Hepatica ¿Observations.. ?