Patient will be treated at the surgical ICU. First exchange of VAC dressing will be conducted after 24-48 hours and subsequently so called on demand (patient health state aggravation defined as score SOFA increase by 4 and more points; elevation of inflammatory markers and interleukins). After complete sanitation of the origin the investigators close the laparostomy (only serous exudate) If it is not technically possible to suture abdominal cavity according to layers, the investigators will close it using following alternatives: single skin cover, mesh plasty, covering with celless skin implant (permacol surgical implant) so the abdominal cavity was closed as soon as possible.