Regulation of blood volume in lowlanders exposed to high altitude

C Siebenmann, P Robach… - Journal of Applied …, 2017 - journals.physiology.org
Humans ascending to high altitude (HA) experience a reduction in arterial oxyhemoglobin
saturation and, as a result, arterial O2 content (C a O 2). As HA exposure extends, this …

Regulation of cardiac output in hypoxia

C Siebenmann, C Lundby - … journal of medicine & science in …, 2015 - Wiley Online Library
This brief review addresses the regulation of cardiac output (Q) at rest and during
submaximal exercise in acute and chronic hypoxia. To preserve systemic O2 delivery in …

Independent effects of acute normobaric hypoxia and hypobaric hypoxia on human physiology

AM Rosales, RJ Shute, WS Hailes, CW Collins… - Scientific Reports, 2022 - nature.com
The purpose of this study was to examine the effects of acute normobaric (NH, decreased
FiO2) and hypobaric (HH, 4200 m ascent) hypoxia exposures compared to sea level …

A change of heart: Mechanisms of cardiac adaptation to acute and chronic hypoxia

AM Williams, BD Levine… - The Journal of …, 2022 - Wiley Online Library
Over the last 100 years, high‐altitude researchers have amassed a comprehensive
understanding of the global cardiac responses to acute, prolonged and lifelong hypoxia …

The independent effects of hypovolaemia and pulmonary vasoconstriction on ventricular function and exercise capacity during acclimatisation to 3800 m

M Stembridge, PN Ainslie, LM Boulet… - The Journal of …, 2019 - Wiley Online Library
Key points We sought to determine the isolated and combined influence of hypovolaemia
and hypoxic pulmonary vasoconstriction on the decrease in left ventricular (LV) function and …

[图书][B] Ward, milledge and west's high altitude medicine and physiology

AM Luks, PN Ainslie, JS Lawley, RC Roach… - 2021 - taylorfrancis.com
This pre-eminent work has developed over six editions in response to man's attempts to
climb higher and higher unaided, and to spend more time at altitude for both work and …

Hot and hypoxic environments inhibit simulated soccer performance and exacerbate performance decrements when combined

JWF Aldous, BCR Chrismas, I Akubat… - Frontiers in …, 2016 - frontiersin.org
The effects of heat and/or hypoxia have been well-documented in match-play data.
However, large match-to-match variation for key physical performance measures makes …

Heart mechanics at high altitude: 6 days on the top of Europe

C Maufrais, T Rupp, P Bouzat… - European Heart …, 2017 - academic.oup.com
Aims The aim of this study was to analyse the underlying mechanisms of left and right
ventricular (LV and RV) functional alterations during several days in high-altitude hypoxia …

Mechanisms underlying reductions in stroke volume at rest and during exercise at high altitude

M Stembridge, PN Ainslie, R Shave - European journal of sport …, 2016 - Taylor & Francis
High-altitude exposure challenges the cardiovascular system to maintain oxygen delivery to
the mitochondria under conditions of hypoxic stress. Following acclimatisation (3–5 days) …

Heart-lung interaction in a model of COPD: importance of lung volume and direct ventricular interaction

WS Cheyne, AM Williams… - American Journal of …, 2016 - journals.physiology.org
Chronic obstructive pulmonary disease (COPD) is associated with dynamic lung
hyperinflation (DH), increased pulmonary vascular resistance (PVR), and large increases in …