Effects of hypergravity and anti-G suit pressure on intraregional ventilation distribution during VC breaths

Journal of Applied Physiology

Volumn 91, Issue 2, 2001, Pages 637-644

  Gustafsson, Per M ^a,b,c   Eiken, Ola ^a,b   Grönkvist, Mikael ^a,b  

^a SWEDISH DEFENCE RESEARCH AGENCY   (Sweden)

^b KAROLINSKA INSTITUTE   (Sweden)

^c CENTRAL HOSPITAL   (Sweden)

Author keywords

Gravity; He; SF6; Single breath washout; Ventilation inhomogeneity; Vital capacity

Indexed keywords

ADULT; ARTICLE; BREATHING PATTERN; CENTRIFUGE; GRAVITATIONAL STRESS; HUMAN; HUMAN EXPERIMENT; LUNG BLOOD FLOW; LUNG BLOOD VESSEL; LUNG PARENCHYMA; LUNG VENTILATION PERFUSION RATIO; MALE; MICROGRAVITY; MICROVASCULATURE; NORMAL HUMAN; PRESSURE GRADIENT; PRIORITY JOURNAL; THORAX PRESSURE; TIDAL VOLUME; VITAL CAPACITY; VOLUNTEER;

EID: 0034911725     PISSN: 87507587     EISSN: None     Source Type: Journal    
DOI: 10.1152/jappl.2001.91.2.637     Document Type: Article

References (34)

1. Respiratory mechanics during submersion and negative-pressure breathing
2. Effect of posture on inter-regional distribution of pulmonary ventilation in man
3. 2 washout requires dynamic adjustment of delay time
4. Effect of gravity on the distribution of pulmonary ventilation
5. Effects of central vascular engorgement and immersion on various lung volumes
6. Contribution of gas exchange to slope of phase III of the single-breath nitrogen test
7. Effect of breath holding on ventilation maldistribution during tidal breathing in normal subjects
8. Convection- and diffusion-dependent ventilation maldistribution in normal subjects
9. Influence of hydrostatic compression of the chest and intrathoracic blood pooling on static lung mechanics during head-out immersion
10. Helium and sulfur hexafluoride bolus washin in short-term microgravity
11. Lung volumes during sustained microgravity on Spacelab SLS-1
12. Intraregional gas mixing and distribution
13. Dynamic distribution of gas flow
14. Demonstration of airway closure in man
15. Analysis of sequential filling and emptying of the lung
16. z) acceleration in the dog
17. Ventilation and mechanics of breathing
18. Inhomogeneity of pulmonary ventilation during sustained microgravity as determined by single-breath washouts
19. Morphometry of the human pulmonary acinus
20. The significance of the loss of blood volume into the limbs during pressure breathing
21. Mechanics of respiration during submersion in water
22. Paradoxical helium and sulfur hexafluoride single-breath washouts in short-term vs. sustained microgravity
23. Distribution of pulmonary ventilation and perfusion during short periods of weightlessness
24. Regional distribution of inspired gas in the lung
25. z) stress
26. Regional differences in expansion in excised dog lung lobes
27. Model analysis of gas distribution within human lung acinus
28. Gas mixing in the lung periphery
29. Lung volumes, chest wall configuration, and pattern of breathing in microgravity
30. Diffusion-dependent contribution to the slope of the alveolar plateau
31. Pulmonary gas exchange and its determinants during sustained microgravity on Spacelab SLS-1 and SLS-2
32. Anomalous behavior of helium and sulfur hexafluoride during single-breath tests in sustained microgravity
33. Volume and distribution of blood and their significance in regulation of the circulation
34. Effect of variable parenchymal expansion on gas mixing