Stanisław Klek

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OBJECTIVE To provide a consensus-based minimum set of criteria for the diagnosis of malnutrition to be applied independent of clinical setting and aetiology, and to unify international terminology. METHOD The European Society of Clinical Nutrition and Metabolism (ESPEN) appointed a group of clinical scientists to perform a modified Delphi process,(More)
BACKGROUND & AIMS Postoperative pancreatic fistula is the most common and potentially life-threatening complication after pancreatic surgery. Although nutritional support is a key component of conservative therapy in such cases, there have been no well-designed clinical trials substantiating the superiority of either total parenteral nutrition or enteral(More)
BACKGROUND The role of home parenteral nutrition (HPN) in incurable cachectic cancer patients unable to eat is extremely controversial. The aim of this study is to analyse which factors can influence the outcome. PATIENTS AND METHODS We studied prospectively 414 incurable cachectic (sub)obstructed cancer patients receiving HPN and analysed the association(More)
BACKGROUND Home enteral nutrition (HEN) has always been recognized as a life-saving procedure, but with the ongoing economic crisis influencing health care, its cost-effectiveness has been questioned recently. OBJECTIVE The unique reimbursement situation in Poland enabled the otherwise ethically unacceptable, hence unavailable, comparison of the period of(More)
BACKGROUND AND AIM Malnutrition represents a serious health care threat, as it increases morbidity, mortality and health care cost. The effective screening and treatment with enteral (EN) or parenteral (PN) nutrition are the key elements of the policy called Optimal Nutrition Care for All (ONCA). The study tried to analyze the impact of the state's economy(More)
Early oral feeding is the preferred mode of nutrition for surgical patients. Avoidance of any nutritional therapy bears the risk of underfeeding during the postoperative course after major surgery. Considering that malnutrition and underfeeding are risk factors for postoperative complications, early enteral feeding is especially relevant for any surgical(More)
BACKGROUND & AIMS Malnourished surgical patients are supposed to benefit from perioperative nutrition. It is unclear, however, whether enteral intervention really surpasses the parenteral one, and whether the modification of standard formula matters. The aim of the study was to evaluate the clinical value of the route and type of perioperative nutritional(More)
BACKGROUND AND AIM Immunomodulating nutrition is supposed to reduce the number of complications and lengthen of hospital stay during the postoperative period in patients after major gastrointestinal surgery. The aim of the study was to assess the clinical effect of immunostimulatory enteral and parenteral nutrition in patients undergoing resection for(More)
BACKGROUND & AIM The immunomodulating enteral diets are intended to reduce the incidence of postoperative complications in surgical patients. The aim of the study was to assess the clinical effect of such nutrition. MATERIALS AND METHODS Between June 2004 and September 2007 196 well-nourished patients undergoing resection for pancreatic and gastric cancer(More)
BACKGROUND & AIM The immunomodulating nutrition was supposed to reduce the incidence of complications in surgical patients, but many authors have questioned its value recently. The aim of the study was to assess the impact of enteral immunonutrition in postoperative period. METHODS Between January 2003 and December 2009, 305 malnourished patients (123 F,(More)