[Age features of heart rate variability in cosmonauts according to urine proteomics data.].

As the life of the International Space Station (ISS) is lengthening, Russian crews are dominated by cosmonauts over 40 years of age who have repeatedly made a space flight (SF) and have a long stay on the ISS. In order to study the age-related features of the regulation of heart rate variability (HRV) in cosmonauts, based on proteomics data, we analyzed simultaneously the obtained data on the proteomic composition of urine samples and electrocardiogram (ECG) parameters, followed by an analysis of heart rate variability (HRV) in cosmonauts in the age group of 46,5±3,4 (n=12). The survey was carried out in the period of preparation for the next flight.

Medical Issues Associated with Winter Survival Training.

During active phases of manned spaceflight there is a possibility of a spacecraft landing at any point traversed by its orbital path on the Earth. Survival training after emergency landing is an important and vital part of pre-mission preparations. In this paper we analyze medical issues associated with winter survival training in marshy and forested terrain.

Multivessel spontaneous coronary artery dissection in a patient after mild COVID-19: A case report.

Coronavirus disease 2019 (COVID-19) is characterized by heterogeneity of possible cardiovascular manifestations. Spontaneous coronary artery dissection is a rare cause of acute coronary syndrome, the development of which in patients with COVID-19 has been described and studied insufficiently. A 35-year-old male patient presented to our hospital with an acute coronary syndrome a few weeks after mild COVID-19.

[Coronary artery bypass grafting in non-ST-segment elevation acute myocardial infarction].

Aim: The study was aimed at comparatively assessing the immediate results of coronary artery bypass grafting operations without artificial circulation performed in non-ST-segment elevation acute myocardial infarction and chronic ischaemic heart disease.

Patients And Methods: The main group with non-ST-segment elevation acute myocardial infarction enrolled a total of 101 patients undergoing coronary artery bypass grafting without artificial circulation. The patients' age varied from 47 to 87 years, median 66.

[Analysis of risk factors for lethal outcomes of ST-segment elevation acute myocardial infarction].

The purpose of the study was to objectively assess lethal outcomes in patients with the final diagnosis of 'ST-segment elevation acute myocardial infarction' (STEAMI) in order to reveal the circumstances and peculiarities of an unfavourable outcome. The work was performed on the basis of the medical records over 2014-2016, retrospectively analysing cases of STEAMI: a total of 131 lethal outcomes regardless of reperfusion therapy and 1,004 patients having survived after percutaneous coronary intervention (PCI). The data statistically significantly (p<0.