Search Results - "Hawn, Jerold"

Increased cardiac output, not pulmonary artery systolic pressure, increases intrapulmonary shunt in healthy humans breathing room air and 40% O2 by Elliott, Jonathan E., Duke, Joseph W., Hawn, Jerold A., Halliwill, John R., Lovering, Andrew T.

“…Key points The contribution of blood flow through intrapulmonary arteriovenous anastomoses (IPAVAs) to pulmonary gas exchange efficiency remains unknown and…”
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Pulmonary gas exchange efficiency during exercise breathing normoxic and hypoxic gas in adults born very preterm with low diffusion capacity by Duke, Joseph W, Elliott, Jonathan E, Laurie, Steven S, Beasley, Kara M, Mangum, Tyler S, Hawn, Jerold A, Gladstone, Igor M, Lovering, Andrew T

“…Adults with a history of very preterm birth (<32 wk gestational age; PRET) have reduced lung function and significantly lower lung diffusion capacity for…”
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Impaired pulmonary gas exchange efficiency, but normal pulmonary artery pressure increases, with hypoxia in men and women with a patent foramen ovale by Duke, Joseph W., Beasley, Kara M., Speros, Julia P., Elliott, Jonathan E., Laurie, Steven S., Goodman, Randall D., Futral, Eben, Hawn, Jerold A., Lovering, Andrew T.

“…New Findings What is the central question of this study? Do individuals with a patent foramen ovale (PFO+) have a larger alveolar‐to‐arterial difference in PO2…”
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No effect of patent foramen ovale on acute mountain sickness and pulmonary pressure in normobaric hypoxia by DiMarco, Kaitlyn G., Beasley, Kara M., Shah, Karina, Speros, Julia P., Elliott, Jonathan E., Laurie, Steven S., Duke, Joseph W., Goodman, Randall D., Futral, Joel Eben, Hawn, Jerold A., Roach, Robert C., Lovering, Andrew T.

“…New Findings What is the central question to this study? Is there a relationship between a patent foramen ovale and the development of acute mountain sickness…”
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Normal pulmonary gas exchange efficiency and absence of exercise-induced arterial hypoxemia in adults with bronchopulmonary dysplasia by Lovering, Andrew T, Laurie, Steven S, Elliott, Jonathan E, Beasley, Kara M, Yang, Ximeng, Gust, Caitlyn E, Mangum, Tyler S, Goodman, Randall D, Hawn, Jerold A, Gladstone, Igor M

“…Cardiopulmonary function is reduced in adults born very preterm, but it is unknown if this results in reduced pulmonary gas exchange efficiency during exercise…”
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Prevalence of left heart contrast in healthy, young, asymptomatic humans at rest breathing room air by Elliott, Jonathan E, Nigam, S. Milind, Laurie, Steven S, Beasley, Kara M, Goodman, Randall D, Hawn, Jerold A, Gladstone, Igor M, Chesnutt, Mark S, Lovering, Andrew T

“…Highlights • Saline contrast echocardiography was performed in 176 healthy, young humans at rest. • 28% of subjects demonstrated the transpulmonary passage of…”
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Exercise- and hypoxia-induced blood flow through intrapulmonary arteriovenous anastomoses is reduced in older adults by Norris, H Cameron, Mangum, Tyler S, Duke, Joseph W, Straley, Taylor B, Hawn, Jerold A, Goodman, Randy D, Lovering, Andrew T

“…Mean pulmonary arterial pressure (Ppa) during exercise is significantly higher in individuals aged ≥50 yr compared with their younger counterparts, but the…”
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Decreased arterial PO2, not O2 content, increases blood flow through intrapulmonary arteriovenous anastomoses at rest by Duke, Joseph W., Davis, James T., Ryan, Benjamin J., Elliott, Jonathan E., Beasley, Kara M., Hawn, Jerold A., Byrnes, William C., Lovering, Andrew T.

“…Key points The mechanism(s) that regulate hypoxia‐induced blood flow through intrapulmonary arteriovenous anastomoses (QIPAVA) are currently unknown. Our…”
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Reply from Jonathan E. Elliott, Joseph W. Duke, Jerold A. Hawn, John R. Halliwill and Andrew T. Lovering by Elliott, Jonathan E., Duke, Joseph W., Hawn, Jerold A., Halliwill, John R., Lovering, Andrew T.

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Histamine‐receptor blockade reduces blood flow but not muscle glucose uptake during postexercise recovery in humans by Emhoff, Chi‐An W., Barrett‐O’Keefe, Zachary, Padgett, Richard C., Hawn, Jerold A., Halliwill, John R.

“…Skeletal muscle vasodilatation persists following a single bout of exercise and can potentially influence glucose uptake by recovering muscle. To investigate…”
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Role of Circulating Inflammation in Regulating Pulmonary Pressure at Altitude by DiMarco, Kaitlyn, Beasley, Kara, Shah, Karina, Speros, Julia, Elliott, Jonathan, Laurie, Steven, Duke, Joseph, Goodman, Randall, Futral, Eben, Hawn, Jerold, Hetrick, Byron, McCurdy, Carrie, Roach, Robert, Lovering, Andrew

“…A patent foramen ovale (PFO) is a right‐to‐left shunt present in ~30% of the population that has been shown to worsen the degree of hypoxemia at sea level, and…”
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Comparing Acute Mountain Sickness Definitions to Examine Differences in Systemic Inflammation by Shah, Karina, DiMarco, Kaitlyn, Beasley, Kara, Speros, Julia, Elliott, Jonathan, Laurie, Steven, Duke, Joseph, Goodman, Randall, Futral, Eben, Hawn, Jerold, Roach, Robert, Lovering, Andrew

“…Acute mountain sickness (AMS) occurs when individuals rapidly ascend to high altitudes, but its exact cause remains unknown. Additionally, AMS is assessed…”
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Difference in Steady‐state Chemoreflex Drive Between Groups With and Without a Patent Foramen Ovale by Zehner, Donna, Scanagatta‐Long, Mollie, Goodman, Randall, Futral, Eben, Hawn, Jerold, Elliott, Jonathan, Laurie, Steven, Roach, R.C., Day, Trevor, Lovering, Andrew

“…Ventilatory acclimatization is a hallmark physiological response to high altitude. In ~30% of the population, a shunt located between the right and left atrium…”
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Decreased Arterial PO 2 , not O 2 Content, Increases Blood Flow Through Intrapulmonary Arteriovenous Anastomoses at Rest by Duke, Joseph, Ryan, Benjamin, Davis, James, Beasley, Kara, Petrassi, Frank, Miller, June, Hawn, Jerold, Lovering, Andrew

“…Abstract only…”
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Increased cardiac output, not pulmonary artery systolic pressure, increases intrapulmonary shunt in healthy humans breathing room air and 40% O 2 by Elliott, Jonathan E., Duke, Joseph W., Hawn, Jerold A., Halliwill, John R., Lovering, Andrew T.

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Increased cardiac output, not pulmonary artery systolic pressure, increases intrapulmonary shunt in healthy humans breathing room air and 40% O sub(2) by Elliott, Jonathan E, Duke, Joseph W, Hawn, Jerold A, Halliwill, John R, Lovering, Andrew T

“…Key points * The contribution of blood flow through intrapulmonary arteriovenous anastomoses (IPAVAs) to pulmonary gas exchange efficiency remains unknown and…”
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Decreased arterial [Formulaomitted], not O sub(2) content, increases blood flow through intrapulmonary arteriovenous anastomoses at rest by Duke, Joseph W, Davis, James T, Ryan, Benjamin J, Elliott, Jonathan E, Beasley, Kara M, Hawn, Jerold A, Byrnes, William C, Lovering, Andrew T

“…Key points * The mechanism(s) that regulate hypoxia-induced blood flow through intrapulmonary arteriovenous anastomoses (Q sub(IPAVA)) are currently unknown. *…”
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Decreased arterial P O 2, not O2 content, increases blood flow through intrapulmonary arteriovenous anastomoses at rest by Duke, Joseph W, Davis, James T, Ryan, Benjamin J, Elliott, Jonathan E, Beasley, Kara M, Hawn, Jerold A, Byrnes, William C, Lovering, Andrew T

“…Key points The mechanism(s) that regulate hypoxia-induced blood flow through intrapulmonary arteriovenous anastomoses (QIPAVA) are currently unknown. Our…”
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Decreased arterial , not O 2 content, increases blood flow through intrapulmonary arteriovenous anastomoses at rest by Duke, Joseph W., Davis, James T., Ryan, Benjamin J., Elliott, Jonathan E., Beasley, Kara M., Hawn, Jerold A., Byrnes, William C., Lovering, Andrew T.

“…The mechanism(s) that regulate hypoxia‐induced blood flow through intrapulmonary arteriovenous anastomoses ( Q IPAVA ) are currently unknown. Our previous work…”
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Increased cardiac output, not pulmonary artery systolic pressure, increases blood flow through intrapulmonary arteriovenous anastomoses and impairs pulmonary gas exchange efficiency (717.2) by Elliott, Jonathan, Duke, Joseph, Futral, Joel, Goodman, Randall, Hawn, Jerold, Lovering, Andrew

“…Sources of venous admixture (QVA/QT) that impair pulmonary gas exchange efficiency, defined by an increased alveolar‐arterial PO2 difference (AaDO2), are…”
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