THE EFFECTS OF ALTERED ARTERIAL TENSIONS OF CARBON DIOXIDE AND OXYGEN ON CEREBRAL BLOOD FLOW AND CEREBRAL OXYGEN CONSUMPTION OF NORMAL YOUNG MEN 1
1948; American Society for Clinical Investigation; Volume: 27; Issue: 4 Linguagem: Inglês
10.1172/jci101995
ISSN1558-8238
AutoresSeymour S. Kety, Carl F. Schmidt,
Tópico(s)Thermoregulation and physiological responses
Resumo5 11.4 7.38 7.33 7.30 7.28 T. L. 49.4 51.7 55.7 57.2 42 47 53 54 15.7 15.0 9.6 10.7 7.38 7.36 7.33 7.33 R.Ro.47.3 50.7 55.1 55.0 41 48 53 56 16.5 16.6 9.6 11.4 7.38 7.34 7.32 7.30 W. S. 51.5 53.2 57.1 57.4 48 54 60 60 16.5 16.8 10.7 12.7 7.35 7.31 7.29 7.28 D. M. 48.3 50.4 54.6 55.1 41 46 50 51 18.6 18.5 12.6 14.0 7.40 7.36 7.35 7.33 R. S. 48.5 52.0 53.8 54.8 42 53 54 58 14.8 15.5 9.8 12.3 7.37 7.30 7.30 7.27.7% C02 J. B. 51.7 55.6 57.7 58.6 45 60 58 66 18.2 18.4 11.9 16.0 7.38 7.28 7.31 7.26 W. H. 52.5 56.9 58.8 59.5 45 58 52 59 18.3 18.7 12.1 16.0 7.40 7.32 7.35 7.31 Mean 49.5 52.5* 55.9 56.5* 43 52* 54 58* 16.8 16.9 10.7 13.0* 7.38 7.33* 7.32 7.30 85-100% 02J. E. 48.2 47.9 55.3 55.7 39 37 48 48 17.8 19.1 10.8 11.1 7.42 7.45 7.38 7.38 T. L. 50.1 50.8 58.0 59.1 41 40 51 56 15.5 16.7 7.6 8.3 7.41 7.42 7.36 7.34 S. H. 51.0 49.3 55.8 55.1 43 41 51 50 16.5 17.6 16.6 12.2 7.39 7.40 7.33 7.34 R. Re. 51.1 50.9 56.7 57.4 42 42 52 53 16.1 17.5 10.8 10.9 7.40 7.40 7.34 7.34 J. B. 49.3 49.5 55.6 56.7 43 43 53 54 16.2 17.8 10.5 11.2 7.38 7.39 7.32 7.32 M. H. 51.4 51.6 57.5 58.7 42 42 52 53 17.2 19.0 11.2 11.5 7.41 7.41 7.36 7.35 Mean 50.2 50.0 56.5 57.1 42 41 51 52 16.6 18.0* 10.4 10.9* 7.40 7.41 7.35 7.35 10% 02 R. S. 47.7 48.2 52.4 50.9 41 38 49 43 16.1 9.7 11.1 6.4 7.38 7.41 7.33 7.39 S. H. 50.6 50.9 55.5 53.9 41 37 48 43 17.0 11.0 11.8 7.0 7.42 7.46 7.37 7.41 K. T. 45.4 44.9 53.0 48.9 35 31 46 33 17.8 11.6 10.8 7.8 7.45 7.50 7.38 7.68 W. H. 50.7 49.7 57.1 54.6 42 36 51 44 18.7 13.1 12.4 7.6 7.41 7.48 7.36 7.41 D. M. 46.8 45.9 54.5 51.5 40 34 51 42 19.4 13.2 12.5 8.0 7.40 7.47 7.34 7.41 M. H. 49.1 49.0 56.2 53.4 42 37 51 45 17.7 11.2 10.7 6.5 7.39 7.43 7.34 7.40 J. E. 47.0 46.6 54.5 51.5 39 36 51 43 19.0 12.3 10.8 7.5 7.40 7.45 7.34 7.38 Mean 48.2 47.9 54.7 52.1* 40 36* 50 41 18.0 11.7* 11.4 7.3* 7.41 7.46* 7.35 7.41* Hyperventilation active and passive Mean 50.1 41.7* 55.9 52.5* 45 26* 52 38* 17.9 18.6* 11.3 7.8* 7.38 7.54* 7.35 7.48* * Indicates statistically significant changes.t C = Control period, room air tensions of 02 and CO2.t E = Experimental period, special gas mixture.
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