Male 50 years, without antecedent of interest, 25 days in ICU by acute respiratory insufficiency, with bilateral cotonny infiltrated, secondary a perforating gastric peritonitis,. APACHE to 1st day 12. In subsequent days presents sepsis by enterococus. At this time present tetraparesic with absence of espontan ventilation, polineuropaty of critical patient. He need mechanical ventilation with FiO2 of 40% and 5 PEEP, not sedating , neither inotropic support and he is afebril and with enteral nutrition, 2000 calories and 19 gr. of nitrogen to the day. At this time, it presents the following nutritional data: Weight 60 kg Height 165 cm Ideal Weight 63 kg. Harris-Benedict 1310 cal/día Albumin 1,9 g/dl (3,2 - 5,5) Urine Nitrogen 19 gr/24h Transferrin 96 mg/dl (252 - 429) Nitrogen balance 24 h. de -3 gr PreAlbumin 14 md/dl (17 -42) Index Creatinina/Height 95% Colesterol 102 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.. ?