[b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders

Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altit...
Ausführliche Beschreibung

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Autor*in:	Jakub Krzeszowiak [verfasserIn] Marcin Zawadzki [verfasserIn] Iwona Markiewicz-Górka [verfasserIn] Agata Kawalec [verfasserIn] Krystyna Pawlas [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	High-altitude environment;Blood count;Oxidative Stress

Übergeordnetes Werk:	In: Annals of Agricultural and Environmental Medicine - Institute of Rural Health, 2004, 21(2014), 875194, Seite 585-589
Übergeordnetes Werk:	volume:21 ; year:2014 ; number:875194 ; pages:585-589

Links:	Link aufrufen Link aufrufen Journal toc Journal toc

Katalog-ID:	DOAJ050283383

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520			\|a Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils.
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allfields	(DE-627)DOAJ050283383 (DE-599)DOAJ3b3995f778d14ca6869a936d5aed58c3 DE-627 ger DE-627 rakwb eng GE1-350 Jakub Krzeszowiak verfasserin aut [b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils. High-altitude environment;Blood count;Oxidative Stress Agriculture S Environmental sciences Marcin Zawadzki verfasserin aut Iwona Markiewicz-Górka verfasserin aut Agata Kawalec verfasserin aut Krystyna Pawlas verfasserin aut In Annals of Agricultural and Environmental Medicine Institute of Rural Health, 2004 21(2014), 875194, Seite 585-589 (DE-627)364463759 (DE-600)2109674-0 18982263 nnns volume:21 year:2014 number:875194 pages:585-589 https://doaj.org/article/3b3995f778d14ca6869a936d5aed58c3 kostenfrei http://journals.indexcopernicus.com/fulltxt.php?ICID=1120607 kostenfrei https://doaj.org/toc/1232-1966 Journal toc kostenfrei https://doaj.org/toc/1898-2263 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2014 875194 585-589
spelling	(DE-627)DOAJ050283383 (DE-599)DOAJ3b3995f778d14ca6869a936d5aed58c3 DE-627 ger DE-627 rakwb eng GE1-350 Jakub Krzeszowiak verfasserin aut [b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils. High-altitude environment;Blood count;Oxidative Stress Agriculture S Environmental sciences Marcin Zawadzki verfasserin aut Iwona Markiewicz-Górka verfasserin aut Agata Kawalec verfasserin aut Krystyna Pawlas verfasserin aut In Annals of Agricultural and Environmental Medicine Institute of Rural Health, 2004 21(2014), 875194, Seite 585-589 (DE-627)364463759 (DE-600)2109674-0 18982263 nnns volume:21 year:2014 number:875194 pages:585-589 https://doaj.org/article/3b3995f778d14ca6869a936d5aed58c3 kostenfrei http://journals.indexcopernicus.com/fulltxt.php?ICID=1120607 kostenfrei https://doaj.org/toc/1232-1966 Journal toc kostenfrei https://doaj.org/toc/1898-2263 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2014 875194 585-589
allfields_unstemmed	(DE-627)DOAJ050283383 (DE-599)DOAJ3b3995f778d14ca6869a936d5aed58c3 DE-627 ger DE-627 rakwb eng GE1-350 Jakub Krzeszowiak verfasserin aut [b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils. High-altitude environment;Blood count;Oxidative Stress Agriculture S Environmental sciences Marcin Zawadzki verfasserin aut Iwona Markiewicz-Górka verfasserin aut Agata Kawalec verfasserin aut Krystyna Pawlas verfasserin aut In Annals of Agricultural and Environmental Medicine Institute of Rural Health, 2004 21(2014), 875194, Seite 585-589 (DE-627)364463759 (DE-600)2109674-0 18982263 nnns volume:21 year:2014 number:875194 pages:585-589 https://doaj.org/article/3b3995f778d14ca6869a936d5aed58c3 kostenfrei http://journals.indexcopernicus.com/fulltxt.php?ICID=1120607 kostenfrei https://doaj.org/toc/1232-1966 Journal toc kostenfrei https://doaj.org/toc/1898-2263 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2014 875194 585-589
allfieldsGer	(DE-627)DOAJ050283383 (DE-599)DOAJ3b3995f778d14ca6869a936d5aed58c3 DE-627 ger DE-627 rakwb eng GE1-350 Jakub Krzeszowiak verfasserin aut [b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils. High-altitude environment;Blood count;Oxidative Stress Agriculture S Environmental sciences Marcin Zawadzki verfasserin aut Iwona Markiewicz-Górka verfasserin aut Agata Kawalec verfasserin aut Krystyna Pawlas verfasserin aut In Annals of Agricultural and Environmental Medicine Institute of Rural Health, 2004 21(2014), 875194, Seite 585-589 (DE-627)364463759 (DE-600)2109674-0 18982263 nnns volume:21 year:2014 number:875194 pages:585-589 https://doaj.org/article/3b3995f778d14ca6869a936d5aed58c3 kostenfrei http://journals.indexcopernicus.com/fulltxt.php?ICID=1120607 kostenfrei https://doaj.org/toc/1232-1966 Journal toc kostenfrei https://doaj.org/toc/1898-2263 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2014 875194 585-589
allfieldsSound	(DE-627)DOAJ050283383 (DE-599)DOAJ3b3995f778d14ca6869a936d5aed58c3 DE-627 ger DE-627 rakwb eng GE1-350 Jakub Krzeszowiak verfasserin aut [b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils. High-altitude environment;Blood count;Oxidative Stress Agriculture S Environmental sciences Marcin Zawadzki verfasserin aut Iwona Markiewicz-Górka verfasserin aut Agata Kawalec verfasserin aut Krystyna Pawlas verfasserin aut In Annals of Agricultural and Environmental Medicine Institute of Rural Health, 2004 21(2014), 875194, Seite 585-589 (DE-627)364463759 (DE-600)2109674-0 18982263 nnns volume:21 year:2014 number:875194 pages:585-589 https://doaj.org/article/3b3995f778d14ca6869a936d5aed58c3 kostenfrei http://journals.indexcopernicus.com/fulltxt.php?ICID=1120607 kostenfrei https://doaj.org/toc/1232-1966 Journal toc kostenfrei https://doaj.org/toc/1898-2263 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2014 875194 585-589
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callnumber-first	G - Geography, Anthropology, Recreation
author	Jakub Krzeszowiak
spellingShingle	Jakub Krzeszowiak misc GE1-350 misc High-altitude environment;Blood count;Oxidative Stress misc Agriculture misc S misc Environmental sciences [b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
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topic_unstemmed	misc GE1-350 misc High-altitude environment;Blood count;Oxidative Stress misc Agriculture misc S misc Environmental sciences
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title	[b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
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title_full	[b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
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title_sort	[b][/b]the influence of 9-day trekking in the alps on the level of oxidative stress parameters and blood parameters in native lowlanders
callnumber	GE1-350
title_auth	[b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
abstract	Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils.
abstractGer	Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils.
abstract_unstemmed	Background. The stimuli acting on a person in a high mountain environment (such as hypobaric hypoxia with subsequent reoxygenation, physical exercise) can significantly increase oxidative stress, stimulate erythropoiesis, lead to changes in the blood count and participate in the development of altitude sickness. [b]Objective. [/b]The aim was to investigate changes in haematological parameters, indicators of oxidative stress (malondialdehyde – MDA) and antioxidant defences: catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) in the plasma of young, healthy people after a 9-day expedition in the Alps. [b]Materials and method[/b]. A total of 5 patients (4 men and 1 woman), members of the Wrocław Mountaineering Club, aged 24–26 years. Collection of blood samples was carried out immediately before departure and 3 days after the end of exposure to high-altitude conditions. During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. Discontinuation of exposure to allergens and dust pollution clears the airways, which is indicated by the reduction in the number of monocytes and basophils.
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title_short	[b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
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author2	Marcin Zawadzki Iwona Markiewicz-Górka Agata Kawalec Krystyna Pawlas
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During the expedition, the subjects were exposed to heights: 2,050–4,165 m.a.s.l., and exercise associated with climbing. [b]Results[/b]. Trekking in the Alps neither caused significant changes in the parameters of red blood cells nor increased the level of oxidative stress parameters in plasma. CAT activity increased, the ratio of SOD / CAT decreased. There was also a decrease in the total number of leukocytes, mainly monocytes and basophils. [b]Conclusions[/b]. 9-day exposure to high-altitude conditions is not a substantial burden for the organism of young, physically active people. The increase in antioxidant capacity is sufficient to stop oxidative processes, which are severe in these conditions, and to prevent the occurrence of significant oxidative stress. 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[b][/b]The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders

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