Balloon dilation of congenital perforated duodenal web in newborns: Evaluation of short and long-term results.

Background: Incomplete congenital duodenal obstruction (ICDO) is caused by a congenitally perforated duodenal web (CPDW). Currently, only six cases of balloon dilatation of the PDW in newborns have been described.

Aim: To present our experience of balloon dilatation of a perforated duodenal membrane in newborns with ICDO.

"Living in Contaminated Areas"-Consideration of Different Perspectives.

Following large-scale nuclear power plant accidents such as those that occurred at Chernobyl (Ukraine) in 1986 and Fukushima Daiichi (Japan) in 2011, large populations are living in areas containing residual amounts of radioactivity. As a key session of the ConRad conference, experts were invited from different disciplines to provide state-of-the-art information on the topic of "living in contaminated areas." These experts provided their different perspectives on a range of topics including radiation protection principles and dose criteria, environmental measurements and dose estimation, maintaining decent living and working conditions, evidence of health risks, and social impact and risk communication.

Assessment of Agricultural Workers' Exposure Due to Crop Harvesting Operations Within the Areas Affected by Radioactive Contamination.

Implementation of field experiments took place in two sites located in the Bragin district of the Gomel region, Belarus, i.e. a field in the evacuation zone and a private plot of land in a residential area of thedistrict.

[State of hemostasis system at transurethral prostatic resection].

Hemostasis system was examined at 58 patients who underwent transurethral prostate resection due to benign prostatic hyperplasia. All the patients were divided into 2 groups: the study group where the surgery was performed under spinal anesthesia, and control - under intravenous anesthesia. The hemostasis system was examined before surgery and on 1st, 3rd and 5th day after it.

[The transfer of 90Sr and of 137Cs radionuclides in the chain of soil-fodder-animal products in the area contaminated as a consequence of the Chernobyl AES accident].

The database on 137Cs and or 90Sr transfer factors in the soil-fodder-animal products chain compiled in the framework of the project "Radioecological Consequences of the Chernobyl Accident" under the French-German Initiative was analyzed. The 137Cs transfer factors were determined into 10 fodder types for farm animals. The 137Cs and 90Sr transfer from daily diet to milk is practically independent from milk yield and season and is about 0.

[Evaluation of parameters of radionuclide transition from soil particles and plant components of the upper layer of turf to cow's milk under pasture conditions].

An experiment was conducted on feeding lactating cows with soil and turf additives contaminated with both 137Cs and 90Sr of the Chernobyl origin. The radionuclides transfer coefficients (%) in the food chain were for soil additives: for 137Cs--0.02 +/- 0.

[Laser angioplasty technology].

The authors propose a laser angioplasty technology that differs in that pulse-periodic nitric N2-laser (wavelength, approximately 337 nm; power, 0.5 W; pulse energy, 5 mJ; repetition frequency, approximately 100 Hz) is used as a source of laser radiation. The technology has an environmental purity (a working nitrogen-helium mixture) and a vast resource (approximately 10(7) pulses).

[Prognostication of the dose modifying factor in consecutive thermo-radiation exposure of yeast cells].

The dependence of dose modifying factor after the consecutive thermoradiation actions on dose rate and dose of ionizing radiation as well as on temperature and duration of its application was studied for yeast cells. The results obtained were described and interpreted by means of the mathematical model of synergism in accordance with which the synergism is expected to result from the additional lethal damage arising from the interaction of sublesions induced by both agents.

[Evaluation of hormonal status indicators and adenylate cyclase activity in animals in the follow-up of the Chernobyl AES accident].

Enhancing stimulation effect of prostaglandin E1 on adenylate cyclase, decrease in basal activity of adenylate cyclase in platelets and reducing thyroxine concentration in cow plasma 5 years after radioiodine damage to thyroid gland with doses higher than 200 Gy were detected, whereas only decrease in adenylate cyclase activity in platelets from animals irradiated with 40 Gy to thyroid gland was observed. No changes in platelet adenylate cyclase in cows exposed to less than 1 Gy to thyroid gland after 5 years of maintenance on the territory with 137Cs contamination density lower than 0.37 MBq/m2 were found.

[The limit of the modifiability of cellular radiosensitivity in sequential exposure to ionizing radiation and physical factors of a nonionizing nature].

The application of a mathematical model of synergism in describing the consecutive combined actions of ionizing radiation and other physical agents has been considered. Using various cell systems it has been shown that the model permits to predict the highest dose modifying factor and conditions in which it can be achieved.

[Mathematical description of the successive action of ionizing radiation and hyperthermia on mammalian cells].

A previously proposed mathematical model for the description of the effects of simultaneous action of hyperthermia and ionizing radiation was used to predict the successive treatment of these agents. The model suggests that the synergistic effect of combined action of ionizing radiation and hyperthermia is caused by additional lethal damages arising from the interaction of sublesions induced by both agents. These sublesions are not lethal after the action of these modalities, each taken alone.

Thiamine-binding protein from rat erythrocytes.

A protein with thiamine-binding activity (14 nmole/mg protein) was isolated from rat red cells by affinity chromatography. Adsorbent with varying degrees of hydrophobicity containing thiamine as ligand were used for the isolation. A 2300-fold purification in a 50% overall yield was attained.

[Thiamine transport into rat erythrocytes].

14C-thiamine transport across the membranes of erythrocytes obtained from blood of normal rats was studied. The active transport was observed at less than 0.5 microM thiamine concentration.

[Purification of thiamine binding protein from rat erythrocytes by affinity chromatography].

Protein with thiamine-binding activity (14 nmole/mg protein) was isolated from rat red cells by affinity chromatography. Adsorbents with varying degrees of hydrophoby containing thiamine as ligand were made use for isolation. A2300-fold purification with a 50% overall yield was attained.

[Blood transketolase activity and the TDP effect as indices of thiamine body allowance].

Protein-bound and free forms of thiamin diphosphate (TDP) (separated by dialysis and gel filtration) were found in rat erythrocytes. Content of TDP in blood did not correlate with the transketolase activity at the initial steps of B1 avitaminosis. Decrease of the DTP total amount in blood by more than 80% did not affect distinctly the transketolase activity.

[Storage of 14C-thiamine in rat liver subcellular fractions].

Distribution of 14C thiamine and its incorporation into TPP-dependent enzymes of rat liver subcellular fractions were studied. Thiamine was stored mainly in hyaloplasm and mitochondria. In nuclear and microsomal fractions presence of the vitamin was due to contamination by hyaloplasm components during the destruction of liver cells.

[Free and bound thiamine pyrophosphate level in rat liver mitochondria in various saturation of the body with thiamine].

Content of tree and bound thiamine pyrophosphate (TPP) was measured by means of gel filtration and equilibrium dialysis procedures in mitochondria of normal rats, the rats under conditions of alimentary B1 avitaminosis and loading with thiamine. The content of protein-bound TPP was stable and equal to 20% of its total level in the mitochondria of control rats and in the rats loaded with thiamine. The content of free form of TPP was decreased in B1 avitaminosis; a severe form of the avitaminosis was accompanied by a decrease in content of the bound form.