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Aim: to present modern methods of diagnosis and treatment of chronic pancreatitis for gastroenterologists, general practitioners and physicians.Chronic pancreatitis (CP) is a long-term inflammatory disease of the pancreas, manifested by irreversible morphological changes in the parenchyma and pancreatic ducts, which cause pain and/or persistent impairment of function. Current concept on the etiology of CP is reflected by the TIGAR-O classification. The criteria for establishing the diagnosis of CP include typical attacks of abdominal pain and/or clinical and laboratory signs of exocrine, endocrine insufficiency with the mandatory detection of characteristic morphological changes (calcifications in the parenchyma and pancreatic ductal stones, dilatation of the main pancreatic duct and its branches). CT, MRCP, and pancreatobiliary endosonography are recommended as the methods of choice to verify the diagnosis of CP. Conservative treatment of patients with CP is provided for symptom relief and prevention of complications. Individual cases with severe non-interactable abdominal pain, as well as a complicated course of the disease (development of ductal hypertension due to main pancreatic duct stones or strictures, obstructive jaundice caused by compression of the common bile duct, symptomatic postnecrotic cysts, portal hypertension due to compression of the portal vein or thrombosis of the splenic vein, persistent duodenal obstruction, pseudoaneurysm of the celiac trunk basin and the superior mesenteric artery) serve as an indication for endoscopic or surgical treatment. The Guidelines set out modern approaches to the diagnosis, conservative, endoscopic and surgical treatment of CP, and the prevention of its complications.Conclusion. The implementation of clinical guidelines can contribute to the timely diagnosis and improve the quality of medical care for patients with chronic pancreatitis.

Relevance. Despite significant progress in the prevention of many infectious diseases, a number of organizational issues remain in the area of special attention. One of them is to ensure the timeliness and completeness of vaccination coverage in the decreed age groups, which is possible only with a high level of public commitment to vaccination. During the pandemic of the new coronavirus infection (COVID-19), achieving a high level of vaccination coverage of the National Calendar of Preventive vaccinations is of particular relevance. Aim. Using state-of-the-art online resources, assess population vaccination adherence to develop effective communication risk management technologies for immunoprophylaxis in the COVID-19 pandemic. Materials and methods. To assess the commitment of various population groups and professional contingents of a large industrial city to vaccine prevention, a survey of 965 parents was conducted at the initial stage, and subsequently a survey of 2,632 employees of medical organizations, including 1,422 people in the period before the COVID - 19 pandemic, 572 people in the «first wave» of the pandemic and 638 people in the «second wave». Instagram Facebook, Instagram, and VKontakte social networks were used to quickly obtain the necessary information (Google forms, corporate e-mails, WhatsApp, Telegram messengers, etc.). The work uses epidemiological, sociological and statistical methods of research. Results and discussion. When assessing the attitude of parents to vaccination, it was found that 78.8% of respondents were positive about vaccinations, 14.6% doubted their effectiveness and safety, and 6.6% denied their need. The main source of information that forms the attitude to vaccinations of parents was the opinion of medical professionals. In a survey of 1,422 employees, 190 people (13.3%) were identified, mainly from among the trained specialists, who themselves had a negative attitude to vaccination. When assessing the commitment of employees of medical organizations to the vaccination of a new coronavirus infection, the attitude to vaccination was ambiguous, especially in the group of secondary medical personnel and female employees of non-medical specialties, who are a potential risk group for forming a negative attitude to vaccinations and can act as «opinion leaders» on this issue for other categories of the population. Insufficient adherence to COVID-19 vaccine prevention has also been observed in other countries among various population groups, which is a serious problem on a global scale, hindering the fight against the pandemic of a new disease, which requires corrective measures. Conclusion. In this study, using modern online resources, a rapid assessment of the vaccination adherence of various population groups (parents and medical professionals) was carried out. It is shown that the use of modern technologies and software tools makes it possible to analyze a large array of data to solve problems of overcoming communication risks. The results obtained point to the need for prompt corrective measures in terms of the introduction of educational programs to increase adherence to vaccination, especially in groups at potential risk of the disease, including medical professionals, which is a priority for health care in all countries.

Aim of publication. To present the modern concept on the causes and pathogenesis of pancreatic exocrine insufficiency (PEI) as well as the new diagnostic and therapeutic approaches at this syndrome to general practitioners. Summary. PEI in the state it which secretion of pancreatic enzymes into duodenum is insufficient for normal digestion of nutrients. This syndrome may develop primarily, due to various pancreatic diseases (chronic pancreatitis, pancreatic cancer, cystic fibrosis etc.), and secondarily, at impaired stimulation of pancreatic secretion or impairment of conditions, necessary for the normal action of pancreatic enzymes. Basic clinical manifestations of PEI include maldigestion and malabsorption that lead to development of nutritional failure. No standardized methods of pancreatic exocrine function assessment are developed at the present time, therefore standard diagnostic criteria of PEI are lacking. In routine clinical practice PEI is diagnosed mainly on the basis of decreased pancreatic enzymes activity in stool in patients with verified pancreatic disease but can result in decreased exocrine function. Basic method of PEI treatment is pancreatic enzyme replacement therapy (PERT). Within 50 years which passed after initial implementation of PERT in clinical practice it was significantly modified, numerous pharmaceutical forms of pancreatin were developed. Anyhow for the purpose of replacement therapy capsules with enteric-coated pancreatin microparticles should be applied. Initial recommended dose of PERT for adult patient is 25’000 lipolytical units per meal that should be subsequently increased up to normalization of patients nutritional status according to both clinical and laboratory scores. Digestive enzymes should be taken at the beginning of the meal, in the case of incomplete response it can be recommended to use antisecretory agents. Patient should be consulted by nutritionist, no significant limitation of fat intake is recommended. Daily ration should be divided into six or more meals. Patients should be motivated to stop both alcohol intake and smoking as they can cause progression of PEI alone and/or persistence of symptoms, like pancreatic pain.

The aim of publication. To present the modern concept of etiology and pathogenesis of exocrine pancreatic insufficiency to general practitioners as well as with the established approach to diagnostics and treatment of this syndrome. Summary. Exocrine pancreatic insufficiency (EPI) develops if activity of the enzymes in duodenal lumen in response to meal stimulation is insufficient to maintain normal nutrient digestion. This state can develop primarily, due to various pancreatic diseases (chronic pancreatitis, pancreatic cancer, cystic fibrosis), and secondarily, due to impaired stimulation of pancreatic secretion or non-physiological conditions for activity of digestive enzymes. Basic manifestations of EPN the syndromes of maldigestion and malabsorption leading to development of nutritional failure. At the present time there is no standardized diagnostic method for estimation of pancreatic exocrine function, therefore there are no standard diagnostic criteria for EPN. In clinical practice EPN is diagnosed according to decreased fecal elastase activity in patients with verified pancreatic disease, which can cause decrease of pancreatic exocrine function. The basic EPN treatment method is pancreatic enzyme replacement therapy (PERT). For last 50 years there was an significant progress in development of PERT, numerous pancreatin-containing preparations were developed. Treatment of PERT require prescription of capsules, containing pancreatin microparticles protected by enteric coating. The highest evidential base at EPN is accumulated for pancreatin mini-microspheres. The starting dose of pancreatic enzymes for adults is 25 000 units of lipase per meal, which should be subsequently increased up to achievement of complete response confirmed by both clinical and laboratory scores. Digestive enzymes should be taken at the beginning of food intake, to increase treatment efficacy PERT should be accompanied by prescription of proton pump inhibitors. Patient’s diet quantity and content should be adjusted with participation of nutritionist. Patient should intake at least normal daily amount of fat and divide daily ration to at least six meals. Patients should be motivated to restrain from alcohol consumption and smoking as they can lead to further progression of pancreatic exocrine insufficiency and symptoms of pancreatitis.