Male of 34 years, without antecedent of interest, in ICU 14 days after traffic accident with the following injuries: 3 ribs fractures, colon break and blind, left neumothorax and crushing fracture of L12, and laparotomy. He develops acute respiratory insufficiency, with infiltrated cotonny pulmonary bilateral. APACHE to 1st day 10. He need mechanical ventilation with FiO2 50% and PEEP 6, sedating with midazolam and Cl. mórfico, fever of 38 ºC, signs of sepsis, he not need inotropic supporo and presents cecal fistula low debit (200 ml/day). They are being administrating by parenteral route 2360 calories and 22 gr. of nitrogen, presenting in the actual, the following nutritional data: Weight 70 kg Height 173 cm Ideal Weight 67,5 kg. Harris-Benedict 1545 cal/día Albumin 1,6 g/dl (3,2 - 5,5) Urine Nitrogen 35 gr/24h Transferrin 168 mg/dl (252 - 429) Nitrogen balance 24 h. de -16 gr PreAlbumin 15 md/dl (17 -42) Index Creatinina/Height 88% Colesterol 135 mg/dl (150 -220) 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.. ?