Hydration status and cardiovascular function

JC Watso, WB Farquhar - Nutrients, 2019 - mdpi.com
Hypohydration, defined as a state of low body water, increases thirst sensations, arginine
vasopressin release, and elicits renin–angiotensin–aldosterone system activation to …

High-altitude erythrocytosis: mechanisms of adaptive and maladaptive responses

FC Villafuerte, TS Simonson, D Bermudez… - …, 2022 - journals.physiology.org
Erythrocytosis, or increased production of red blood cells, is one of the most well-
documented physiological traits that varies within and among in high-altitude populations …

Hemoglobin and cerebral hypoxic vasodilation in humans: Evidence for nitric oxide-dependent and S-nitrosothiol mediated signal transduction

RL Hoiland, DB MacLeod, BS Stacey… - Journal of Cerebral …, 2023 - journals.sagepub.com
Cerebral hypoxic vasodilation is poorly understood in humans, which undermines the
development of therapeutics to optimize cerebral oxygen delivery. Across four investigations …

Cardiovascular physiology and pathophysiology at high altitude

JP Richalet, E Hermand, FJ Lhuissier - Nature Reviews Cardiology, 2024 - nature.com
Oxygen is vital for cellular metabolism; therefore, the hypoxic conditions encountered at high
altitude affect all physiological functions. Acute hypoxia activates the adrenergic system and …

Expedition 5300: Limits of human adaptations in the highest city in the world

B Champigneulle, JV Brugniaux… - The Journal of …, 2024 - Wiley Online Library
Exposure to chronic hypobaric hypoxia imposes a significant physiological burden to more
than 80 million humans living above 2500 m throughout the world. Among them, 50 000 live …

Regulation of haemoglobin concentration at high altitude

C Siebenmann, J Roche, M Schlittler… - The Journal of …, 2024 - Wiley Online Library
Lowlanders sojourning for more than 1 day at high altitude (HA) experience a reduction in
plasma volume (PV) that increases haemoglobin concentration and thus restores arterial …

Lifelong exposure to high‐altitude hypoxia in humans is associated with improved redox homeostasis and structural–functional adaptations of the neurovascular unit

BS Stacey, RL Hoiland, HG Caldwell… - The Journal of …, 2023 - Wiley Online Library
High‐altitude (HA) hypoxia may alter the structural–functional integrity of the neurovascular
unit (NVU). Herein, we compared male lowlanders (n= 9) at sea level (SL) and after 14 days …

Highs and lows of sympathetic neurocardiovascular transduction: influence of altitude acclimatization and adaptation

LF Berthelsen, GM Fraser… - American Journal …, 2020 - journals.physiology.org
High-altitude (> 2,500 m) exposure results in increased muscle sympathetic nervous activity
(MSNA) in acclimatizing lowlanders. However, little is known about how altitude affects …

Reevaluation of excessive erythrocytosis in diagnosing chronic mountain sickness in men from the world's highest city

L Oberholzer, C Lundby, E Stauffer… - Blood, The Journal …, 2020 - ashpublications.org
The diagnosis of chronic mountain sickness (CMS) is based on a score including 7 clinical
features (breathlessness, sleep disturbance, cyanosis, venous dilatation, paresthesia …

[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 …