Pulsed THz radiation under ultrafast optical discharge of vacuum photodiode.

In this paper, we first present an experimental demonstration of terahertz radiation pulse generation with energy up to 5 pJ under the electron emission during ultrafast optical discharge of a vacuum photodiode. We use a femtosecond optical excitation of metallic copper photocathode for the generation of ultrashort electron bunch and up to 45 kV/cm external electric field for the photo-emitted electron acceleration. Measurements of terahertz pulses energy as a function of emitted charge density, incidence angle of optical radiation and applied electric field have been provided.

[Extracorporeal membrane oxygenation in severe combined trauma complicated by fat embolism].

It is presented the victim with severe combined injury complicated by fat embolism and acute respiratory failure. Veno-venous extracorporeal membrane oxygenation was successfully used to provide adequate extracorporeal gas exchange in refractory respiratory failure.

[Transtumoral decompression in acute left-sided colonic obstruction].

Aim: To prove an effectiveness of transtumoral decompression in patients with acute malignant left-sided colonic obstruction.

Material And Methods: 154 patients with acute left-side colonic obstruction were enrolled. Patients were divided into 4 groups.

[Endovascular arterial embolization for duodenal bleeding as an alternative to surgical approach].

Aim: To present possibilities of transcatheter arterial embolization (TAE) in duodenal bleeding management.

Material And Methods: Treatment of 212 patients with acute duodenal bleeding for the period from 2012 to 2014 was analyzed. In 32 (22.

[Tactics by the acute intestinal ischemia].

Treatment results of the acute intestinal ischemia in 72 patients were analyzed. Patients aged 69.2 ± 5.