Background. Every year in Russia, the number of patients with acute intestinal infections of unknown etiology remains at a significant level. Aim. To determine the current etiological structure and features of the clinical course of acute intestinal infections in the infectious diseases department of a city hospital. Material and methods. For the period from 2017 to 2019, 181 patients with manifestations of acute intestinal infections, who were in the infectious departments of the City Hospital No. 5, Barnaul, were examined. The age of the patients ranged from 18 to 76 years (mean age 35.414.8 years), including 55.6% females and 44.4% males. The study of biological material from patients (feces) was performed using polymerase chain reaction with hybridization-fluorescence detection, bacteriological examination and serological method (indirect hemagglutination reaction) for the presence of antibodies to pathogens of acute intestinal infections (in blood serum). The statistical significance of differences was assessed by the 2 test. Results. Out of 181 patients with acute intestinal infections, 108 (59.7%) had the etiology of the disease, of which 54 (50%) patients had an infection of viral etiology, including in the form of monoinfection in 45 cases, and caused by a combination of two viruses in 9 cases. In 41 (38%) patients, acute intestinal infections of bacterial etiology were diagnosed, including a combination of two pathogens in 4 cases, and three pathogens in 1 case. 13 patients had viral-bacterial intestinal infections. As a result of the survey, on the existing list of laboratory tests, the etiology of intestinal infection was not established in 73 (40.3%) patients. In patients with acute intestinal infection of bacterial etiology, the disease proceeded more severely, with higher body temperature and colitis, in patients with intestinal infection of viral etiology with gastroenteritis. Conclusion. A high proportion of intestinal infections of viral etiology (up to 50%) with etiological dominance of noroviruses has been established. Among the causative agents of bacterial acute intestinal infections, Campylobacter and Salmonella prevailed.

BACKGROUND: The immune system plays an important role in the development of neuropathology. Dysfunction of monocytes/macrophages can contribute to environmental health and the development of neuroinflammatory and neurodegenerative diseases. Two subpopulations of monocytes are distinguished, namely, anti-inflammatory and activated pro-inflammatory monocytes, producing cytokines interleukin (IL)-1, IL-6, IL-2, IL-8, and tumor necrosis factor (TNF)-, which are involved in immune inflammation in mental diseases. Violations of cellular, phagocytic, and/or humoral immunity are often found in patients with undifferentiated connective tissue dysplasia (UCTD). Monocytes are assumed to be involved in the development of psychovegetative disorders in patients and connective tissue insufficiency. AIM: To study the relationship between the number of monocytes and pro-inflammatory cytokines (IL-1, IL-6, and TNF-) in the peripheral blood with possible non-psychotic diseases and autonomic dysfunction syndrome in UCTD in young people. MATERIALS AND METHODS: We examined 95 people aged 1822 years. Neuropsychological examination, general clinical blood tests, pro-inflammatory cytokines (IL-1, IL-6, TNF-), markers of neurodegeneration (neuron-specific enolase) and cerebral ischemia (antibodies to NR2) were sent. RESULTS: An increase in the absolute monocyte count in the peripheral blood is accompanied by a lesser severity of psychovegetative, ischemic, and neurodegenerative cases. An inverse correlation was found between the level of monocytes in the peripheral blood and the number of UCTD indicators, a direct correlation between UCTD and autonomic dysfunction syndrome (ADS), asthenic condition, personal anxiety, depression, neurosis, Internet addiction, and headache research index for everyday life. Severe UCTD leads to a change in the proportion of monocytes in the use of the pro-inflammatory subpopulation, which is probably one of the reasons for the numerous non-psychotic diseases and autonomic nervous system diseases in these patients. CONCLUSION: An increase in the pro-inflammatory monocyte count in severe UCTD plays an important role in the development of psychovegetative disorders. The correction of the dysplastic process can become an important role in the prevention and detection of various neurological and non-psychotic diseases, such as ADS and anxietydepressive syndrome in young people.

There are presented results of the analysis of case histories of 418 patients with generalized lymphomas and chronic leukemia, among whom 49 patients had information about multiple primary cancers. Among these patients, 37 were diagnosed as generalized lymphoma, 8 - multiple myeloma and 4 - chronic myelomonocytic leukemia. Most often hemoblastosis combined with skin cancer (17 patients), bowel cancer (11 patients) and lung cancer (9 patients). 3 patients had hemoblastosis combination with prostate, as well as kidney, stomach, and thyroid malignant diseases. Among all cases, 44 patients had two multiple primary tumors, 4 patients had three tumors. In this work, the analysis of patients is given according to the age-gender structure, time of the onset of the development of tumors. As an example, the short information about 4 patients with hematological malignancies in combination with other tumors is given.

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