High altitudes (> 8,000 ft or 2,500 m) provide an experiment of nature for measuring
adaptation and the physiological processes involved. Studies conducted over the past~ 25 …

Increased oxidative stress, defined as an imbalance between prooxidants and antioxidants,
resulting in molecular damage and disruption of redox signaling, is associated with …

Duplex ultrasound is an evolving technology that allows the assessment of volumetric blood
flow in the carotid and vertebral arteries during a range of interventions along the spectrum …

We address adaptive vs. maladaptive responses to hypoxemia in healthy humans and
hypoxic-tolerant species during wakefulness, sleep, and exercise. Types of hypoxemia …

High and low hematocrit (Hct) and hemoglobin (Hb) levels are associated with the risk of
cardiovascular disease. The purpose of this study was to determine the relationships of Hct …

The cerebral vasculature manages oxygen delivery by adjusting arterial blood in‐flow in the
face of reductions in oxygen availability. Hypoxic cerebral vasodilatation, and the associated …

High altitude is a fascinating model of hypoxia effects on the human body but is also an
extreme environment which directly influences millions of people who either travel to high …

Exercise and oxidative stress research continues to grow as a physiological subdiscipline.
The influence of high altitude on exercise and oxidative stress is among the recent topics of …

568 Hypertension September 2018 prevalence of hypertension with a 2% increase for
every≈ 100 m (≈ 330 ft)-increase in altitude above 3000 mASL (≈ 9800 ft). 16 …

We sought to characterize and quantify the performance of a portable dynamic end-tidal
forcing (DEF) system in controlling the partial pressure of arterial CO2 (PaCO2) and O2 …