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Pulmonary capillary pressure during exercise in horses

Pulmonary capillary pressure during exercise in horses AASHA K. SINHA, ROBIN D. GLEED, TAWFIC S. HAKIM, ALAN DOBSON, AND KEVIN J. SHANNON Departments of Clinical Sciences and Physiology, College of Veterinary Medicine, Cornell University, Ithaca, 14853; and the Department of Surgery, State University of New York Health Science Center, Syracuse, New York 13210 Sinha, Aasha K., Robin D. Gleed, Tawfic S. Hakim, Alan Dobson, and Kevin J. Shannon. . J. Appl. PhysioZ. 80(5): 1792-1798, 1996.-The object of this study was to relate to arterial and wedge s . vascular s were measured in six standardbred horses exercising at speeds equivalent to 75, 90, and 100% of maximal heart rate. Vascular s were measured with transducer-tip catheters and expressed relative to esophageal . was estimated by the arterial-occlusion technique modified for . Mean arterial, , and wedge s increased from 30.5 I~I 6.3, 17.8 5 4.3, and 13.4 t: 1.6 mmHg, respectively, at rest, to 70.5 t 5.2, 42.1 rt: 5.3, and 38.4 ? 5.6 mmHg, respectively, at maximal . The largest part of the increase occurred the first level of exertion. With , the across the lung barely doubled at a time when the cardiac output would have increased at least fivefold. Thus the absolute http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Physiology The American Physiological Society

Pulmonary capillary pressure during exercise in horses

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Publisher
The American Physiological Society
Copyright
Copyright © 1996 the American Physiological Society
ISSN
8750-7587
eISSN
1522-1601
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Abstract

AASHA K. SINHA, ROBIN D. GLEED, TAWFIC S. HAKIM, ALAN DOBSON, AND KEVIN J. SHANNON Departments of Clinical Sciences and Physiology, College of Veterinary Medicine, Cornell University, Ithaca, 14853; and the Department of Surgery, State University of New York Health Science Center, Syracuse, New York 13210 Sinha, Aasha K., Robin D. Gleed, Tawfic S. Hakim, Alan Dobson, and Kevin J. Shannon. . J. Appl. PhysioZ. 80(5): 1792-1798, 1996.-The object of this study was to relate to arterial and wedge s . vascular s were measured in six standardbred horses exercising at speeds equivalent to 75, 90, and 100% of maximal heart rate. Vascular s were measured with transducer-tip catheters and expressed relative to esophageal . was estimated by the arterial-occlusion technique modified for . Mean arterial, , and wedge s increased from 30.5 I~I 6.3, 17.8 5 4.3, and 13.4 t: 1.6 mmHg, respectively, at rest, to 70.5 t 5.2, 42.1 rt: 5.3, and 38.4 ? 5.6 mmHg, respectively, at maximal . The largest part of the increase occurred the first level of exertion. With , the across the lung barely doubled at a time when the cardiac output would have increased at least fivefold. Thus the absolute

Journal

Journal of Applied Physiology – The American Physiological Society

Published: May 1, 1996

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