PMID: 18717117Aug 23, 2008Paper

Cardiovascular training effects in fighter pilots induced by occupational high G exposure

Aviation, Space, and Environmental Medicine
D G Newman, R Callister

Abstract

A fundamental difference in the cardiovascular response to acceleration between a group of fighter pilots (FP) and a group of non-pilots (NP) has been demonstrated previously. This study investigated the longitudinal effects of repetitive occupational +Gz exposure on the cardiovascular response to acceleration. There were 6 FP and 6 NP subjects who underwent rapid +75 degrees head-up tilt (HUT) on two separate occasions. The FP group were tested after a non-flying period of 5 wk (Test 1), and tested again after a period of repetitive exposure to high +Gz missions (Test 2). The NP group did not fly at all between Test 1 and Test 2. Mean arterial pressure (MAP), heart rate (HR), stroke volume (SV), and total peripheral resistance (TPR) were all determined non-invasively. SV was determined using impedance cardiography and calculated via the Kubicek equation. For each variable, resting values and the response to tilt for both HUT tests within and between each group were compared. In the FP group, resting MAP was higher (86 mmHg) in Test 2 compared with Test 1 (78 mmHg). Between groups, FP resting MAP was only different from the NP resting MAP in Test 2. The FP HR response to HUT increased significantly between the two tests. These ...Continue Reading

Citations

Jul 16, 2013·Extreme Physiology & Medicine·Typ Whinnery, Estrella M Forster
Apr 14, 2016·European Journal of Applied Physiology·Patrik SundbladOla Eiken
Mar 17, 2020·Journal of Cardiac Surgery·Jun An, Abdelsalam M Elhenawy
Nov 6, 2020·International Journal of Environmental Research and Public Health·Min-Yu TuChung-Yu Lai
Sep 11, 2021·Aerospace Medicine and Human Performance·David G Newman

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