Michail Keramidas

Publikationer
Forskningsbidrag
Populärvetenskap och samverkan

Artiklar

Journal article: RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY. 2024;323:104228

Stress biomarker changes following a series of repeated static and dynamic apneas in non-divers.

Elia A; Barlow MJ; Lees MJ; Petri G; Keramidas ME
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2024;326(4):R319-R329

Effects of hyperventilation on repeated breath-holding while in a fasting state: do risks outweigh the benefits?

Elia A; Gennser M; Eiken O; Keramidas ME
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2024;124(4):1253-1258

Repetitive high-sustained gravitoinertial stress does not modulate pressure responsiveness to peripheral sympathetic stimulation.

Keramidas ME; Kölegård R; Elia A; Sköldefors H; Eiken O
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2024;326(3):R197-R209

Combined effects of mild hypothermia and nitrous-oxide-induced narcosis on manual and cognitive performance.

Moes MI; Elia A; Gennser M; Keramidas ME
Journal article: PERCEPTION. 2024;53(2):75-92

Factors of significance for the ability of fighter pilots to visually indicate the magnitude of roll tilt during simulated turns in a centrifuge.

Brink A; Keramidas ME; Tribukait A; Eiken O
Journal article: JOURNAL OF APPLIED PHYSIOLOGY. 2023;135(3):631-641

Nitrous oxide consistently attenuates thermogenic and thermoperceptual responses to repetitive cold stress in humans.

Moes MI; Elia A; Gennser M; Eiken O; Keramidas ME
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2023;325(1):R21-R30

In vivo pressure-flow relation of human cutaneous vessels following prolonged iterative exposures to hypergravity.

Keramidas ME; Kölegård R; Sköldefors H; Eiken O
Journal article: PHYSIOLOGIA. 2023;3(2):247-258

Physiological Responses of Anemic Women to Exercise under Hypoxic Conditions

Koskolou MD; Komboura S; Zacharakis E; Georgopoulou O; Keramidas ME; Geladas N
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2022;323(1):R1-R15

Acral skin vasoreactivity and thermosensitivity to hand cooling following 5 days of intermittent whole body cold exposure.

Keramidas ME; Kölegård R; Gäng P; Wilkins F; Elia A; Eiken O
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2022;322(6):R597-R608

Human cardiovascular adaptation to hypergravity.

Eiken O; Keramidas ME; Sköldefors H; Kölegård R
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2021;321(6):R813-R822

Heterogeneity of human adaptations to bed rest and hypoxia: a retrospective analysis within the skeletal muscle oxidative function.

Salvadego D; Grassi B; Keramidas ME; Eiken O; McDonnell AC; Mekjavic IB
Article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2021;321(5):R742-R750

Differential responsiveness of glabrous and nonglabrous skin to local transmural pressure elevations: impact of 5 weeks of iterative local pressure loading.

Keramidas ME; Kölegård R; Sundblad P; Sköldefors H; Eiken O
Article: MICROVASCULAR RESEARCH. 2021;137:104181

Finger constrictor and thermoperceptual responsiveness to localised cooling following 5 weeks of intermittent regional exposures to moderately augmented transmural vascular pressure.

Keramidas ME; Kölegård R; Sundblad P; Eiken O
Journal article: EXPERIMENTAL PHYSIOLOGY. 2021;106(7):1498-1507

Exercise temperature regulation following a 35-day horizontal bedrest.

Kounalakis SN; Keramidas ME; Eiken O; Mekjavic IB
Journal article: EXPERIMENTAL PHYSIOLOGY. 2021;106(5):1139-1148

Short-term sleep deprivation and human thermoregulatory function during thermal challenges.

Keramidas ME; Botonis PG
Article: AMERICAN JOURNAL OF PHYSIOLOGY-HEART AND CIRCULATORY PHYSIOLOGY. 2021;320(4):H1303-H1312

Adaptation to 5 weeks of intermittent local vascular pressure increments; mechanisms to be considered in the development of primary hypertension?

Eiken O; Elia A; Sköldefors H; Sundblad P; Keramidas ME; Kölegård R
Journal article: FRONTIERS IN PHYSIOLOGY. 2021;12:777611

Heterogeneity of Hematological Response to Hypoxia and Short-Term or Medium-Term Bed Rest.

Royal JT; Eiken O; Keramidas ME; McDonnell AC; Mekjavic IB
Journal article: EXPERIMENTAL PHYSIOLOGY. 2020;105(12):2123-2140

Hypoxia gradually augments metabolic and thermoperceptual responsiveness to repeated whole-body cold stress in humans.

Keramidas ME; Kölegård R; Eiken O
Journal article: APPLIED ERGONOMICS. 2020;82:102964

Finger- and toe-temperature responses to local cooling and rewarming have limited predictive value identifying susceptibility to local cold injury-a cohort study in military cadets.

Norrbrand L; Kölegård R; Keramidas ME; Mekjavic IB; Eiken O
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY, INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. 2019;317(3):R418-R431

Interactions of mild hypothermia and hypoxia on finger vasoreactivity to local cold stress.

Keramidas ME; Kölegård R; Mekjavic IB; Eiken O
Journal article: CHRONOBIOLOGY INTERNATIONAL. 2018;35(10):1464-1470

A brief pre-exercise nap may alleviate physical performance impairments induced by short-term sustained operations with partial sleep deprivation - A field-based study.

Keramidas ME; Siebenmann C; Norrbrand L; Gadefors M; Eiken O
Journal article: JOURNAL OF PHYSIOLOGY-LONDON. 2018;596(15):3341-3355

PlanHab* : hypoxia does not worsen the impairment of skeletal muscle oxidative function induced by bed rest alone.

Salvadego D; Keramidas ME; Kölegård R; Brocca L; Lazzer S; Mavelli I; Rittweger J; Eiken O; Mekjavic IB; Grassi B
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2018;118(7):1373-1384

Physiological and psychological determinants of whole-body endurance exercise following short-term sustained operations with partial sleep deprivation.

Keramidas ME; Gadefors M; Nilsson L-O; Eiken O
Journal article: CLINICAL PHYSIOLOGY AND FUNCTIONAL IMAGING. 2018;:1021-1028

Cardiac performance is influenced by rotational changes of position in the transversal plane, both in the horizontal and in the 60̊ head-up postures.

Kölegård R; Da Silva C; Siebenmann C; Keramidas ME; Eiken O
Journal article: JOURNAL OF THERMAL BIOLOGY. 2018;73:80-90

In Shackleton's trails: Central and local thermoadaptive modifications to cold and hypoxia after a man-hauling expedition on the Antarctic Plateau.

Keramidas ME; Kölegård R; Eiken O
Article: ACTA PHYSIOLOGICA. 2017;220(3):361-369

Cutaneous exposure to hypoxia does not affect skin perfusion in humans.

Siebenmann C; Keramidas ME; Rundqvist H; Mijwel S; Cowburn AS; Johnson RS; Eiken O
Journal article: EXPERIMENTAL PHYSIOLOGY. 2017;102(6):694-710

LunHab: interactive effects of a 10 day sustained exposure to hypoxia and bedrest on aerobic exercise capacity in male lowlanders.

Keramidas ME; Mekjavic IB; Eiken O
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2017;117(6):1141-1153

No association between hand and foot temperature responses during local cold stress and rewarming.

Norrbrand L; Kölegård R; Keramidas ME; Mekjavic IB; Eiken O
Journal article: JOURNAL OF THERMAL BIOLOGY. 2017;64:109-115

A 10-day confinement to normobaric hypoxia impairs toe, but not finger temperature response during local cold stress.

Kounalakis SN; Keramidas ME; Amon M; Eiken O; Mekjavic IB
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2017;117(1):61-72

Intraocular pressure and cerebral oxygenation during prolonged headward acceleration.

Eiken O; Keramidas ME; Taylor NAS; Grönkvist M
Journal article: AMERICAN JOURNAL OF PHYSIOLOGY-HEART AND CIRCULATORY PHYSIOLOGY. 2016;311(2):H453-H464

PlanHab: hypoxia exaggerates the bed-rest-induced reduction in peak oxygen uptake during upright cycle ergometry.

Keramidas ME; Kölegård R; Mekjavic IB; Eiken O
Journal article: JOURNAL OF APPLIED PHYSIOLOGY. 2016;121(1):154-163

Separate and combined effects of a 10-d exposure to hypoxia and inactivity on oxidative function in vivo and mitochondrial respiration ex vivo in humans.

Salvadego D; Keramidas ME; Brocca L; Domenis R; Mavelli I; Rittweger J; Eiken O; Mekjavic IB; Grassi B
Journal article: PHYSIOLOGICAL REPORTS. 2016;4(7):e12760

PlanHab: Hypoxia counteracts the erythropoietin suppression, but seems to exaggerate the plasma volume reduction induced by 3 weeks of bed rest.

Keramidas ME; Mekjavic IB; Kölegård R; Choukèr A; Strewe C; Eiken O
Journal article: PHYSIOLOGY & BEHAVIOR. 2016;156:171-176

Severe hypoxia during incremental exercise to exhaustion provokes negative post-exercise affects.

Keramidas ME; Stavrou NAM; Kounalakis SN; Eiken O; Mekjavic IB
Journal article: FRONTIERS IN PHYSIOLOGY. 2016;7:202

The Effect of Normobaric Hypoxic Confinement on Metabolism, Gut Hormones, and Body Composition.

Mekjavic IB; Amon M; Kölegård R; Kounalakis SN; Simpson L; Eiken O; Keramidas ME; Macdonald IA
Journal article: SCANDINAVIAN JOURNAL OF MEDICINE & SCIENCE IN SPORTS. 2015;25(5):650-660

Hand temperature responses to local cooling after a 10-day confinement to normobaric hypoxia with and without exercise.

Keramidas ME; Kölegård R; Mekjavic IB; Eiken O
Journal article: HIGH ALTITUDE MEDICINE & BIOLOGY. 2015;16(3):251-260

Effects of Two Short-Term, Intermittent Hypoxic Training Protocols on the Finger Temperature Response to Local Cold Stress.

Keramidas ME; Kounalakis SN; Eiken O; Mekjavic IB
Journal article: MEDICINE & SCIENCE IN SPORTS & EXERCISE. 2015;47(5S):220

Prolonged Exposure to Hypoxia and Microgravity

Salvadego D; Keramidas ME; Kölegård R; Mavelli I; Eiken O; Mekjavic IB; Grassi B
Journal article: HIGH ALTITUDE MEDICINE & BIOLOGY. 2014;15(2):183-191

Acute effects of normobaric hypoxia on hand-temperature responses during and after local cold stress.

Keramidas ME; Kölegård R; Mekjavic IB; Eiken O
Journal article: APPLIED PHYSIOLOGY NUTRITION AND METABOLISM. 2014;39(3):369-374

Prolonged physical inactivity leads to a drop in toe skin temperature during local cold stress.

Keramidas ME; Kölegård R; Eiken O; Mekjavic IB
Journal article: CLINICAL PHYSIOLOGY AND FUNCTIONAL IMAGING. 2013;33(5):400-404

Forearm-finger skin temperature gradient as an index of cutaneous perfusion during steady-state exercise.

Keramidas ME; Geladas ND; Mekjavic IB; Kounalakis SN
Journal article: SCANDINAVIAN JOURNAL OF MEDICINE & SCIENCE IN SPORTS. 2013;23(4):e233-e245

Peak oxygen uptake and regional oxygenation in response to a 10-day confinement to normobaric hypoxia.

Kounalakis SN; Keramidas ME; Eiken O; Jaki Mekjavic P; Mekjavic IB
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2012;112(12):4177-4178

Prevailing evidence contradicts the notion of a "normobaric oxygen paradox".

Keramidas ME; Eiken O; Mekjavic IB
Journal article: AVIATION SPACE AND ENVIRONMENTAL MEDICINE. 2012;83(10):942-950

Intermittent normobaric hypoxic exposures at rest: effects on performance in normoxia and hypoxia.

Mekjavic IB; Debevec T; Amon M; Keramidas ME; Kounalakis SN
Journal article: MICROVASCULAR RESEARCH. 2012;84(2):205-210

Heterogeneous sensitivity of cerebral and muscle tissues to acute normobaric hyperoxia at rest.

Keramidas ME; Kounalakis SN; Geladas ND; Eiken O; Mekjavic IB
Journal article: AVIATION SPACE AND ENVIRONMENTAL MEDICINE. 2012;83(5):472-476

Heat production and heat loss responses to cold water immersion after 35 days horizontal bed rest.

Mekjavic IB; Kounalakis SN; Keramidas ME; Biolo G; Narici M; Eiken O
Journal article: CLINICAL PHYSIOLOGY AND FUNCTIONAL IMAGING. 2012;32(3):205-213

The effect of interval training combined with thigh cuffs pressure on maximal and submaximal exercise performance.

Keramidas ME; Kounalakis SN; Geladas ND
Journal article: ACTA PHYSIOLOGICA. 2012;204(4):544-554

Carbon monoxide exposure during exercise performance: muscle and cerebral oxygenation.

Keramidas ME; Kounalakis SN; Eiken O; Mekjavic IB
Article: EUROPEAN JOURNAL OF CLINICAL INVESTIGATION. 2012;42(3):260-265

Long-term intermittent hyperoxic exposures do not enhance erythropoiesis.

Keramidas ME; Norman B; Gustafsson T; Eiken O; Mekjavic IB
Article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2012;112(3):1059-1065

Acute short-term hyperoxia followed by mild hypoxia does not increase EPO production: resolving the "normobaric oxygen paradox".

Debevec T; Keramidas ME; Norman B; Gustafsson T; Eiken O; Mekjavic IB
Journal article: HIGH ALTITUDE MEDICINE & BIOLOGY. 2012;13(1):32-39

The effect of a sleep high-train low regimen on the finger cold-induced vasodilation response.

Amon M; Keramidas ME; Kounalakis SN; Mekjavic IB
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2011;111(10):2629-2630

Aerobic exercise training preceded by respiratory muscle endurance training: a synergistic action enhances the hypoxic aerobic capacity.

Keramidas ME; Kounalakis SN; Mekjavic IB
Article: ACTA PHYSIOLOGICA. 2011;202(1):91-98

Acute normobaric hyperoxia transiently attenuates plasma erythropoietin concentration in healthy males: evidence against the 'normobaric oxygen paradox' theory.

Keramidas ME; Kounalakis SN; Debevec T; Norman B; Gustafsson T; Eiken O; Mekjavic IB
Journal article: RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY. 2011;175(2):247-254

Muscle and cerebral oxygenation during exercise performance after short-term respiratory work.

Keramidas ME; Kounalakis SN; Eiken O; Mekjavic IB
Journal article: OPEN SPORTS MEDICINE JOURNAL. 2010;4(1):9-16

Maximal Oxygen Uptake May be Limited by Sensation of Muscle Oxygenation~!2009-06-08~!2009-11-02~!2010-03-04~!

Geladas ND; Anastassopoulos S; Keramidas ME; Koskolou MD
Journal article: AVIATION SPACE AND ENVIRONMENTAL MEDICINE. 2010;81(4):387-393

Normoxic and hypoxic performance following 4 weeks of normobaric hypoxic training.

Debevec T; Amon M; Keramidas ME; Kounalakis SN; Pisot R; Mekjavic IB
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2010;108(4):759-769

Respiratory muscle endurance training: effect on normoxic and hypoxic exercise performance.

Keramidas ME; Debevec T; Amon M; Kounalakis SN; Simunic B; Mekjavic IB
Journal article: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2008;103(1):99-107

The role of muscle pump in the development of cardiovascular drift.

Kounalakis SN; Keramidas ME; Nassis GP; Geladas ND
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Conference publication: ACTA PHYSIOLOGICA. 2017;219:43

No local or systemic effects of cutaneous exposure to hypobaric hypoxia in humans

Siebenmann C; Keramidas M; Rundqvist H; Mijwel S; Cowburn A; Johnson R; Eiken O
Conference publication: MEDICINE & SCIENCE IN SPORTS & EXERCISE. 2014;46(5):297-298

Effects of Hypoxia and Microgravity on Mitochondrial Respiration and Skeletal Muscle Oxidative Function.

Salvadego D; Keramidas ME; Domenis R; Mavelli I; Eiken O; Mekjavic IB; Grassi B
Conference publication: MEDICINE & SCIENCE IN SPORTS & EXERCISE. 2012;44:111

Combined Effects of Bed Rest and Hypoxia on Skeletal Muscle Oxidative Function

Salvadego D; Keramidas ME; Domenis R; Mavelli I; Eiken O; Mekjavic IB; Grassi B
Conference publication: MEDICINE & SCIENCE IN SPORTS & EXERCISE. 2011;43(5):151

No Evidence For The "Normobaric Oxygen Paradox"

Debevec T; Keramidas ME; Norman B; Gustafsson T; Eiken O; Mekjavic IB
Conference publication: EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. 2010;109(1):133-140

Enhancement of the finger cold-induced vasodilation response with exercise training.

Keramidas ME; Musizza B; Kounalakis SN; Mekjavic IB

Forskningsbidrag

DEVELOPMENT OF A NEW GENERATION OF THERMAL MANIKIN FOR EVALUATION OF PERSONAL PROTECTIVE EQUIPMENT AND SAFETY OF HEALTH IN EXTREME WORKING AND LIVING ENVIRONMENTAL CONDITIONS (X-TERMOMAN)

Slovenian Research Agency

1 July 2011 - 30 June 2014
Hypoxic inactivity: implications for heart failure, pulmonary insufficiency and overweight (Slovene)

Slovenian Research Agency

1 July 2011 - 30 June 2014
Zero and reduced gravity simulation: the effect on the cardiovascular and musculoskeletal systems

Slovenian Research Agency

1 May 2010 - 30 April 2013
Hypoxic and hyperoxic exercise (Slovene)

Slovenian Research Agency

1 May 2009 - 30 April 2012
Automatics, robotics and biocybernetics

Slovenian Research Agency

1 January 2009 - 31 December 2014

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