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Introduction. Enhanced recovery protocols (ERP) after surgery are evidence-based perioperative management programs aimed at reducing the response to surgical stress and accelerating recovery. These protocols have shown their effectiveness in various surgical sections, including surgical pancreatology. However, in some patients who have undergone pancreatic surgery, these protocols are not effective. The aim of the study was to analyse risk factors for ERP failure during pancreatic surgery, and to develop a predictive model for assessing the risk of ERP failure. Material and methods. A retrospective - prospective two-center study included 122 patients who underwent surgical interventions on the pancreas. ERP was considered unsuccessful if one or more of the following signs were found in a patient: the duration of postoperative hospitalization exceeding 14 days, in-hospital or 30-day mortality, readmission within 30 days. Patients included in the study were divided into two groups: 1) patients who did not have signs of ERP failure - the enhanced recovery group (ER), 2) patients who had signs of ERP failure (non-ER group). The authors evaluated clinical factors that might be associated with the risk of ERP failure. Results. The non-ER group included 46 patients. Univariate and multivariate logistic analysis allowed specifying independent risk factors for ERP failure: age over 70 years (p=0.01), presence of sarcopenia (odds ratio (OR) 4.75, 95% confidence interval (95% CI) 1.7 - 11.9, p=0.01), ASA III score (OR 1.8, 95% CI 1.1 - 2.6, p=0.04), density of the pancreas parenchyma (OR 5.9, 95 % CI 1.8 15.4, p0.01). To develop a score for the risk of ERP failure, each feature was empirically assigned points from 1 to 3 taking into account its severity (the odds ratio value). With a score of 4, the risk of ERP failure was assessed as high, with a score 4, the risk of ERP failure was assessed as low. The sensitivity, specificity and overall accuracy of the developed model were 84.8%, 82.9% and 83.6%, respectively. Conclusions. Based on the study results, the authors developed a scoring prognostic model to evaluate the risk of ERP failure in patients exposed to pancreatic surgery. This model can be used to stratify patients according to their risk of ERP failure (high or low

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The aim of the research. To evaluate the effect of sarcopenia on the incidence of postoperative complications in patients who underwent resection interventions on the pancreas, as well as the development of a simple clinical diagnosis of sarcopenia. Material and methods. Th e study included 109 patients, including 59 (54.1 %) men and 50 (45.9 %) women. All patients included in the study were operated on with subsequent morphological examination of the removed preparations. Diagnosis of the presence of sarcopenia in a patient was carried out using computed tomography (CT) and calculating the musculoskeletal index. Also, all patients underwent calculation of the psoas major muscle index (IBPM) equal to the ratio of the area of the psoas major muscle on one side to the square of the patient’s height. Th e patients were divided into two groups. The control group (68 patients) included patients without sarcopenia. The main group consisted of 41 patients who were diagnosed with sarcopenia. Results. Among patients in the compared groups, there were no statistically signifi cant diff erences in age, sex, ASA score and body mass index. Th ere was no statistically signifi cant diff erence in the incidence of major complications (Clavien-Dindo III / IV) (p = 0.2), however, the incidence of postoperative infectious complications was signifi cantly higher in patients from the study group compared to the control group (63.4 % versus 39.7 %, respectively, p = 0.01), as well as the incidence of postoperative clinically signifi cant pancreatic fi stulas (36.6 % versus 17.6 %, respectively, p = 0.02), as well as mortality (9.8 % versus 1.5 %, respectively, p = 0.04). The average postoperative bed-day was 19.9±7.8 days in the main group, 14.2±5.1 days in the control group (p = 0.03). According to the study, the value of IBP in the diagnosis of sarcopenia is < 3,5 сm2 /м2 (AUC – 0,83) for men and < 2,7 сm2 /м2 (AUC – 0,87) for women. Conclusion. Sarcopenia is associated with a higher incidence of postoperative infectious complications, clinically signifi cant pancreatic fi stulas, mortality, as well as with a longer postoperative bed-day in patients who underwent resection of the pancreas