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The influence of lecithin and casein on the antimicrobial activities of bacteriocins isolated from Lactobacillus paracasei spp. paracasei BN ATS 8w, Enterococcus faecium А5 andLactobacillus rhamnosus FAZ 16mstrains was studied. Lactobacillus bulgaricus 340, Listeria innocua СIP 80.11, Escherichia coli ATCC 23355, Enterococcus faecalis ATCC 1.144 were used as target organisms. Used concentrations of lecithin and casein – 0.1 % and 1–5 g/L respectively – were antagonistic to the bacteriocins. These substances are constituents of most fermented products.

Extragenital pathology during pregnancy and childbirth occupies a leading place in maternal mortality and perinatal pathology. One of the main ways to maintain the health of mother and child is to identify somatic diseases in pregnant women and timely treat them. Nervous system diseases that occur in pregnant women are mainly epilepsy, multiple sclerosis, brain tumors, cerebrovascular disorders, although remain poorly understood, but require immediate decisions to prolong pregnancy, obstetric tactics during childbirth, conservative or conservative surgery. The pathology of cerebral vessels (arterial aneurysms and arteriovenous malformations) also remains an urgent problem, despite many years of experience in their diagnosis and treatment. The sudden development of symptoms, severity of clinical manifestations and high mortality in rupture of an aneurysm or arteriovenous malformation of cerebral vessels determine the urgency of this problem and increased interest in its study, especially in pregnant women. Material and methods. The paper presents a clinical case of arteriovenous malformation in a 25-year-old pregnant woman, her treatment and delivery. Results and discussion. Arteriovenous malformation is considered a congenital cerebrovascular pathology, which is accompanied by a sudden rupture of abnormal vessels with the development of hemorrhagic stroke, without specific clinical symptoms and precursors, which complicates lifelong diagnosis. Endovascular embolization during pregnancy saved the lives of women and children. An effective result was obtained after neurosurgical treatment of arteriovenous malformation in a pregnant woman in the second trimester of pregnancy (17 weeks), which allowed to bring the pregnancy to the physiological time of delivery. Taking into account the complex neurological pathology, neurosurgery, which requires the exclusion of a powerful period of childbirth, a pregnant woman gave birth by cesarean section at 38 weeks of pregnancy. Conclusion. An effective result was obtained after neurosurgical treatment of arteriovenous malformation in a pregnant woman in the second trimester of pregnancy, which allowed to bring the pregnancy to the physiological time of delivery. The obtained results indicated the possibility of full-term pregnancy, reduction of maternal and perinatal morbidity and mortality in pregnant women with arteriovenous malformation with timely preventive and curative measures with timely referral of pregnant women to the perinatal center on the basis of a multidisciplinary clinical institution to prevent complications