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Biomedical subjects

A I Volobuev

Publications and source records attributed to A I Volobuev.

At least 19 recordsLinked to original sources
PubMed1991

[Predicting the outcome of labor in women with contracted pelvis].

The authors suggest that the coefficient, representing the ratio between the sizes of the small pelvis section and fetal head section, be used for the prediction of labor outcome for the fetus in women with a contracted pelvis. When the coefficient values K1-K4 were lower than 1.32, 1.35, 0.68, and 0.79, more than 90% of the newborns developed signs of cerebral circulation disorders, this prompting the use of cesarean section for this group of pregnant women. Timely correction of the policy of labor management with due consideration for the anatomical features of the pelvis helped reduce the perinatal mortality in multigravidae to 5/1000, mainly at the expense of carrying out planned cesarean section and monitoring in labor.

Asphyxia Neonatorum↗
PubMed1991

[Status of the feto-placental system in pregnant women with a history of habitual abortion during complex therapy including metabolic correction].

Fifty-two women suffering from habitual abortions, referred to high-risk group in respect of placental insufficiency development, were followed up over the course of pregnancy. Metabolic correction was added to the complex of therapy of some of these patients, the rest were administered basic therapy alone. The examinations revealed placental insufficiency signs in 78.8% of these women. Placental insufficiency in the examined group was characterized by enlarged intervillous space and a longer period necessary for filling this space, reduced linear rate of the blood stream in this space, as well as by reduced levels of the fetoplacental hormones and activation of lipid peroxidation. Addition of metabolic therapy to the complex of therapeutic measures helped reduce the incidence of placental insufficiency by 17.4% and reduce more than twofold the incidence of fetal hypoxia and hypotrophy .

Abortion, Habitual↗
PubMed1991

[Diagnosis and treatment of placental insufficiency in patients with congenital heart defects].

The fetoplacental system was studied in 80 patients with congenital heart disease by placental scintigraphy, cardiotocography, and ultrasonic examination. Disordered uteroplacental blood flow was detected in 52 of the 64 patients, small-for-date fetuses in 36 of the 80, and chronic fetal hypoxia in 48 of the 72 patients. The authors come to a conclusion that a congenital heart disease is a risk factor in respect of placental insufficiency development.

Adolescent↗
PubMed1990

[State of the mammary glands in hypergonadotropic amenorrhea].

This study included 62 women with hypergonadotropic amenorrhea. Clinical, hormonal, genetic, laparoscopic and histologic studies revealed three types of the disease: resistant ovary syndrome, dystrophic ovary syndrome, and "pure" gonadal dysgenesis. Mammary function and architectonics were correlated with gynecologic conditions. Fibrocystic breast disease was identified in 64.9% of patients with resistant ovary syndrome, and fatty glandular degeneration was seen in dystrophic ovary syndrome; pure gonadal dysgenesis was associated with breast hypoplasia, poor structural differentiation and prevalence of adipose tissue in the mammary glands.

Amenorrhea↗
PubMed1990

[Diagnosis of placental insufficiency in patients with acquired heart defects].

The feto-placental unit has been evaluated in 102 patients with acquired heart disease presenting as different circulatory states (Grade 0 insufficiency in 43, Grade I in 34 and Grade II A-B in 25 women). Placental scintigraphy was performed in 102, cardiotocography in 77, ultrasonographic fetal and placental biometry in 102 and placental pathological examination in 15 women. The neonatal study included 104 infants, with 2 twin pairs. Scintigraphy revealed utero-placental blood flow (UPBF) impairment in 72 (70.6%) pregnancies; cardiotocography showed chronic fetal hypoxia in 51 (66.1%) and ultrasonography showed intrauterine growth retardation in 44 (43.1%) pregnancies. Disorders of UPBF coexisted with chronic fetal hypoxia and intrauterine growth retardation in 33 (42.8%) pregnancies, with chronic fetal hypoxia in 18 (23.4%) pregnancies. Impairment of UPBF alone was seen in 13 (16.9%) pregnancies. The digoxin test was done concomitantly with placental scintigraphy in 28 patients; it improved diagnostic precision and provided a measure of compensation of impaired UPBF.

Female↗
PubMed1990

[The function of the hepatobiliary system in patients who have had inflammatory diseases of the uterus and adnexa].

The function of the hepatobiliary system was studied on 60 women, undergone inflammatory diseases in the uterus and adnexa. The women of the basic group (n = 60) were divided into two subgroups in accordance with the state of genital organs. The first subgroup (n = 39) included women with residual manifestation of chronic salpingo-oophoritis. The second subgroup (n = 21) included women with tumours and tumour-like processes of genital organs, occurred on the back ground of a continuous inflammatory process. The control group included 10 healthy women. Dynamic scintigraphy of the liver and gallbladder utilizing Tc99 radionuclide with short duration of life, was used to determine the functional state of the liver and gallbladder together with biochemical parameters of blood. The obtained results showed that there were significant changes in hepatobiliary system of women with residual manifestations of chronic salpingo-oophoritis. In women with tumours and tumour-like processes of genitals, occurred on the background of continuous inflammatory process, there were significant disturbances in the engulfing-depurating function of the liver and gallbladder of hypokinetic type.

Adult↗
PubMed1990

[Clinical value of determining the levels of renin, aldosterone and vasopressin in newborn infants in critical conditions].

The concentrations of aldosterone, vasopressin and plasma renin activity were measured in cord blood and on days 1, 3 and 5 of life in 71 newborn infants from the risk group at the development of critical conditions. Vasopressin was discovered to play a substantial role in the development of critical conditions. The lack of a considerable vasopressin ejection in response to a delivery trouble and the growth of its concentration by day 5 of life are prognostically unfavourable. Hyperactivity of the renin-aldosterone system determines the newborns' proneness to liquid and sodium retention.

Aldosterone↗
PubMed1990

[Breast diseases in patients with hyperandrogenism].

The study has been undertaken in 40 women with excessive androgen levels in the age range of 22 to 38 years. Various types of mastopathy were found in 34 and fatty degeneration of the glandular tissue in 6 women. On the basis of clinical and laboratory studies, the patients were assigned to 3 groups: ovarian hyperandrogenism, adrenal and ovarian-adrenal hyperandrogenism. Breast hyperplasia was seen in all groups, but adenofibrosis occurred in groups I and III at a 2-2.5-fold higher rate as compared with group II. The patients with hyperandrogenism, anovulation, increased body mass index, low hirsute number and polycystic ovaries were at the highest risk of dyshormonal mammary hyperplasia. An adequate therapeutic approach was suggested for mastopathies in hyperandrogenic patients.

Adrenal Gland Diseases↗
PubMed1989

[Value of roentgenography of the bones of the skull vault and the sella turcica for the prognosis of the effectiveness of the treatment of infertility in patients with hyperandrogenia].

Thorough clinical and roentgenological examinations of the skull were conducted in 83 infertile patients with hyperandrogenism. The parameters of their health status evidenced various degrees of androgenism. The roentgenological picture of their skull and Turkish saddle was significantly different from the normal one. A small and round-shaped pattern of the Turkish saddle was significantly more often documented in the hyperandrogenic females whose infertility treatment was a failure. These prognostic criteria should be considered when the practicability of the treatment for this pattern of infertility is discussed.

Adult↗
PubMed1989

[The use of a digital x-ray diagnostic unit in the obstetrical clinic].

The paper gives account of advantages and disadvantages of ultrasonic and conventional X-ray pelvimetries for diagnosing the contracted pelvis in obstetrics. It also describes a basically new X-ray pelvimetry by using a digital X-ray unit one of whose basic advantages is a low maternal and fetal load (one-twentieth as high as routine X-ray pelvimetry). X-ray pelvimetry with the use of the digital X-ray unit was performed in 366 pregnant and parturient women, of them 188 showed various forms of the anatomically contracted pelvis. Out of them 47% had deliveries by cesarean operation. The potentialities of this unit make it possible to predict both the biomechanism of labor and its outcome.

Equipment Design↗
PubMed1989

[Central hemodynamics and kidney function in women with pre-eclampsia].

A radionuclide method with quickly disintegrating 99MTC labelled human albumin and DTPA in a volume of 0.3-0.5 ml and activity of 37 mVk with two consecutive examinations of central and renal hemodynamics was used in 91 pregnant women with preeclampsia and pyelonephritis. Marked hypovolemia was found in all groups of investigated women with preeclampsia with the exception of the group of women with pyelonephritis. There was also difference in arterial pressure in women with preeclampsia I degree and pyelonephritis, which was statistically significant with advancement of gravity and duration of the disease. The investigation of the functional state of kidneys and blood flow showed a tendency to slowing both in the arterial and venous circulation in women with pre-eclampsia of pregnancy. In the pregnant women of this group and the women with pyelonephritis there was asymmetry in the curves of the blood flow as well as in the temporary indices of renal filtration, which were increases two-folds in comparison with the normal values. They were mostly manifested on the side of the involvement in women with pyelonephritis. Irradiation loading was 0.212 mZv of both examinations and was ten times less than that of x-ray pelvimetry.

Adolescent↗
PubMed1989

[Relations between indicators of the activity of several blood enzymes and the state of the utero-placental blood flow in pregnant women at high risk of perinatal pathology].

Studies of the uteroplacental blood flow and of some peripheral blood enzymes activities in 117 pregnant women have revealed that deterioration of the uteroplacental blood flow is associated with an increase of the activities of hydroxybutyrate and lactate dehydrogenases, creatine phosphokinase, and alkaline phosphatase. Exhaustion of the compensatory adaptive mechanisms, that manifests itself by a marked reduction of the blood flow in the intervillous space and by an intrauterine fetal distress is paralleled by a reduction of these enzymes activities.

Adult↗