Parasympathetic neural activity accounts for the lowering of exercise heart rate at high altitude

Robert Christopher Boushel; J A Calbet; G Rådegran; H Sondergaard; Poul Erik Wagner; B Saltin

Parasympathetic neural activity accounts for the lowering of exercise heart rate at high altitude

Robert Christopher Boushel, J A Calbet, G Rådegran, H Sondergaard, Poul Erik Wagner, B Saltin

Torekov Group

112 Citations (Scopus)

Abstract

In chronic hypoxia, both heart rate (HR) and cardiac output (Q) are reduced during exercise. The role of parasympathetic neural activity in lowering HR is unresolved, and its influence on Q and oxygen transport at high altitude has never been studied.

Original language	English
Journal	Circulation
Volume	104
Issue number	15
Pages (from-to)	1785-91
Number of pages	7
ISSN	0009-7322
Publication status	Published - 9 Oct 2001

Keywords

Acclimatization
Adult
Altitude
Anoxia
Blood Flow Velocity
Blood Pressure
Cardiac Output
Chronic Disease
Exercise
Exercise Test
Female
Glycopyrrolate
Heart Rate
Humans
Leg
Male
Oxygen Consumption
Parasympathetic Nervous System
Reference Values
Regional Blood Flow
Vagus Nerve

Cite this

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title = "Parasympathetic neural activity accounts for the lowering of exercise heart rate at high altitude",

abstract = "In chronic hypoxia, both heart rate (HR) and cardiac output (Q) are reduced during exercise. The role of parasympathetic neural activity in lowering HR is unresolved, and its influence on Q and oxygen transport at high altitude has never been studied.",

keywords = "Acclimatization, Adult, Altitude, Anoxia, Blood Flow Velocity, Blood Pressure, Cardiac Output, Chronic Disease, Exercise, Exercise Test, Female, Glycopyrrolate, Heart Rate, Humans, Leg, Male, Oxygen Consumption, Parasympathetic Nervous System, Reference Values, Regional Blood Flow, Vagus Nerve",

author = "Boushel, {Robert Christopher} and Calbet, {J A} and G R{\aa}degran and H Sondergaard and Wagner, {Poul Erik} and B Saltin",

year = "2001",

month = oct,

day = "9",

language = "English",

volume = "104",

pages = "1785--91",

journal = "Circulation",

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TY - JOUR

T1 - Parasympathetic neural activity accounts for the lowering of exercise heart rate at high altitude

AU - Boushel, Robert Christopher

AU - Calbet, J A

AU - Rådegran, G

AU - Sondergaard, H

AU - Wagner, Poul Erik

AU - Saltin, B

PY - 2001/10/9

Y1 - 2001/10/9

N2 - In chronic hypoxia, both heart rate (HR) and cardiac output (Q) are reduced during exercise. The role of parasympathetic neural activity in lowering HR is unresolved, and its influence on Q and oxygen transport at high altitude has never been studied.

AB - In chronic hypoxia, both heart rate (HR) and cardiac output (Q) are reduced during exercise. The role of parasympathetic neural activity in lowering HR is unresolved, and its influence on Q and oxygen transport at high altitude has never been studied.

KW - Acclimatization

KW - Adult

KW - Altitude

KW - Anoxia

KW - Blood Flow Velocity

KW - Blood Pressure

KW - Cardiac Output

KW - Chronic Disease

KW - Exercise

KW - Exercise Test

KW - Female

KW - Glycopyrrolate

KW - Heart Rate

KW - Humans

KW - Leg

KW - Male

KW - Oxygen Consumption

KW - Parasympathetic Nervous System

KW - Reference Values

KW - Regional Blood Flow

KW - Vagus Nerve

M3 - Journal article

C2 - 11591615

SN - 0009-7322

VL - 104

SP - 1785

EP - 1791

JO - Circulation

JF - Circulation

IS - 15

ER -

Parasympathetic neural activity accounts for the lowering of exercise heart rate at high altitude

Abstract

Keywords

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