Abstract
The aim – to evaluate the effectiveness of preventive ligation of uterine vessels during caesarean section in women with placenta previa.
 Material and Methods. The study was conducted on the basis of the Regional Perinatal Center and Maternity Hospital № 5 (Odessa) for 2000–2020 and performing the main stage of cesarean section after reducing perfusion in the placenta. Uterine ligation was performed after fetal removal. The volume of blood loss, the condition of the mother and fetus were monitored, and perinatal results were analyzed.
 Statistical processing was performed by methods of variance and frequency analysis using Statistica 13.0 software (TIBCO, USA).
 Results. The mean age of pregnant women was 33.4±1.2 years. The clinic of placenta previa during pregnancy was extremely scanty. As a rule, the diagnosis was made during ultrasound monitoring. In 16 (17.7 %) there was repeated bleeding from the genital tract without pain and increased uterine tone, with the development of anemia of moderate severity. Single bleeding was observed in 53 (58.9 %) women.
 Blood loss was 1380±112 ml in group I, 466±34 ml in group II (p<0.05). The frequency of anemia in the postoperative period was 38.0 % and 17.5 %, respectively (p<0.05). All newborns were discharged on the 5-7th day of the postpartum period in satisfactory condition. There were no cases of distress syndrome.
 Conclusions: 1. The method of control of blood loss during placenta previa by ligation of the uterine arteries is effective – blood loss was in group I 1380±112 ml, in group II – 466±34 ml (p<0,05). 2. The frequency of anemia in the postoperative period was 38.0 in group I and 17.5 % in group II (p<0.05).
Highlights
IntroductionPlacenta previa is a violation of the localization of the placenta in the uterus, while the placenta is located in the lower part of the uterus, partially or completely overlapping the internal pharynx
In 16 (17.7 %) there was repeated bleeding from the genital tract without pain and increased uterine tone, with the development of anemia of moderate severity
The method of control of blood loss during placenta previa by ligation of the uterine arteries is effective – blood loss was in group I 1380±112 ml, in group II – 466±34 ml (p
Summary
Placenta previa is a violation of the localization of the placenta in the uterus, while the placenta is located in the lower part of the uterus, partially or completely overlapping the internal pharynx. The placenta is located below the presenting part of the fetus, that is, on the way of its birth. The term "praevia" consists of the two words "prae" and "via", which means "on the way." Normally, the placenta is attached in the area of the body of the uterus and its lower edge does not reach the internal pharynx at a distance of 7 cm or more [1, 2]. Placenta previa complicates 3-5 % of pregnancies and is the cause leading to perinatal and maternal mortality worldwide [4]. Placenta praevia is the most important cause of prenatal bleeding that occurs after 24 weeks of gestation [1, 2, 5, 6]
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