The features of changes in adrenal hormones content in mariners during a voyage to different climatic and geographical areas

Abstract

The hard-working conditions of mariners require a high degree of adaptation of the regulatory systems of the organism. In ensuring adaptation, one of the leading ones is the endocrine system (especially the pituitary-adrenal axis.

The aim of the study is to investigate changes in hormonal parameters in mariners during a voyage to various climatic and geographical regions.

Materials and methods: Russian seamen were examined during the dynamics of the voyage to various climatogeographic regions. They have determined the levels of adrenocorticotropic hormone (ACTH) and cortisol four times (before the voyage, at the beginning, in the middle and at the end).

The results of the study and their discussion: at the beginning of the voyage, the level of ACTH and cortisol were increased; by the middle of the voyage, ACTH decreased but cortisol remained at the same values; by the end of the voyage, the levels of both hormones decreased and reached values much lower than before the voyage. Considering the dynamics of hormonal levels, the normal course of the general adaptation process occurs in the first half of the voyage. A significant decrease in ACTH and cortisol levels in the second half of the voyage may be a sign of breakdown of adaptive capacity.

About the authors

R. V. Kubasov

Northern State Medical University

Email: romanas2001@gmail.com

Arkhangelsk

Russian Federation

V. V. Lupachev

Northern State Medical University

Author for correspondence.
Email: valerii-lvv@mail.ru

Arkhangelsk

Russian Federation

I. M. Boyko

Northern State Medical University

Email: imboyko@mail.ru

Arkhangelsk

Russian Federation

A. I. Khokhrina

Northern State Medical University

Email: anna.boyko@mail.ru

Arkhangelsk

Russian Federation

E. D. Kubasova

Northern State Medical University

Email: lapkino@mail.ru

Arkhangelsk

Russian Federation

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