Search Results - "Rocha, Marcos P."

Reduced arterial vasodilatation in response to hypoxia impairs cerebral and peripheral oxygen delivery in hypertensive men by Fernandes, Igor A., Rocha, Marcos P., Campos, Monique O., Mattos, João D., Mansur, Daniel E., Rocha, Helena N. M., Terra, Paulo A. C., Garcia, Vinícius P., Rocha, Natália G., Secher, Niels H., Nóbrega, Antonio C. L.

“…Key points Hypoxaemia evokes a repertoire of homeostatic adjustments that maintain oxygen supply to organs and tissues including the brain and skeletal…”
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Selective α1-adrenergic blockade disturbs the regional distribution of cerebral blood flow during static handgrip exercise by Fernandes, Igor A, Mattos, João D, Campos, Monique O, Machado, Alessandro C, Rocha, Marcos P, Rocha, Natalia G, Vianna, Lauro C, Nobrega, Antonio C L

“…Handgrip-induced increases in blood flow through the contralateral artery that supplies the cortical representation of the arm have been hypothesized as a…”
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Renal blood flow during exercise: understanding its measurement with Doppler ultrasound by Rocha, Marcos P, Mentetzides, Sandro H, Drew, Rachel C

“…The sympathetic nervous system (SNS) has a critical role in continuously coordinating responses to stimuli internal and external to the human body by…”
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How do we kNOw the individual contribution of eNOS and nNOS for cerebral blood flow regulation? by Rocha, Marcos P., Caldwell, Hannah G., Gliemann, Lasse

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Influence of breathing on variation in cardiac stroke volume at the onset of cycling by Sejersen, Casper, Rocha, Marcos P., Van Lieshout, Johannes J., Secher, Niels H.

“…Purpose During cycling, the variation in cardiac stroke volume (SVV) is similar to that at rest. However, SVV may be influenced by ventilation at the start of…”
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KATP channels modulate cerebral blood flow and oxygen delivery during isocapnic hypoxia in humans by Rocha, Marcos P., Campos, Monique O., Mattos, João D., Mansur, Daniel E., Rocha, Helena N. M., Secher, Niels H., Nóbrega, Antonio C. L., Fernandes, Igor A.

“…Key points ATP‐sensitive K+ (KATP) channels mediate hypoxia‐induced cerebral vasodilatation and hyperperfusion in animals. We tested whether KATP channels…”
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Reactive oxygen species play a modulatory role in the hyperventilatory response to poikilocapnic hyperoxia in humans by Fernandes, Igor A., Mattos, João D., Campos, Monique O., Rocha, Marcos P., Mansur, Daniel E., Rocha, Helena M., Garcia, Vinicius P., Alvares, Thiago, Secher, Niels H., Nóbrega, Antonio C.L.

“…Key points The proposed mechanism for the increased ventilation in response to hyperoxia includes a reduced brain CO2–[H+] washout‐induced central…”
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Human brain blood flow and metabolism during isocapnic hyperoxia: the role of reactive oxygen species by Mattos, João D., Campos, Monique O., Rocha, Marcos P., Mansur, Daniel E., Rocha, Helena N. M., Garcia, Vinicius P., Batista, Gabriel, Alvares, Thiago S., Oliveira, Gustavo V., Souza, Mônica V., Videira, Rogério L. R., Rocha, Natalia G., Secher, Niels H., Nóbrega, Antonio C. L., Fernandes, Igor A.

“…Key points It is unknown whether excessive reactive oxygen species (ROS) production drives the isocapnic hyperoxia (IH)‐induced decline in human cerebral blood…”
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Muscle sympathetic nerve activity and hemodynamic responses to venous distension: does sex play a role? by Mansur, Daniel E, Campos, Monique O, Mattos, João D, Paiva, Adrielle C S, Rocha, Marcos P, Videira, Rogerio L R, Macefield, Vaughan G, Nóbrega, Antonio C L, Fernandes, Igor A

“…Peripheral venous distension mechanically stimulates type III/IV sensory fibers in veins and evokes pressor and sympathoexcitatory reflex responses in humans…”
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Hypertension impairs hypoxia-induced angiogenesis in men by Garcia, Vinicius P, Rocha, Helena N M, Rocha, Marcos P, Mattos, João D, Campos, Monique O, Mansur, Daniel E, Secher, Niels H, Nóbrega, Antonio C L, Fernandes, Igor A, Rocha, Natália G

“…The inability of the organism to appropriately respond to hypoxia results in abnormal cell metabolism and function. Hypoxia-induced angiogenesis seems to be…”
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K ATP channels modulate cerebral blood flow and oxygen delivery during isocapnic hypoxia in humans by Rocha, Marcos P, Campos, Monique O, Mattos, João D, Mansur, Daniel E, Rocha, Helena N M, Secher, Niels H, Nóbrega, Antonio C L, Fernandes, Igor A

“…ATP-sensitive K (K ) channels mediate hypoxia-induced cerebral vasodilatation and hyperperfusion in animals. We tested whether K channels blockade affects the…”
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Hypertension impairs hypoxia-induced angiogenesis in men by Garcia, Vinicius P., Rocha, Helena N.M., Rocha, Marcos P., Mattos, João D., Campos, Monique O., Mansur, Daniel E., Secher, Niels H., Nóbrega, Antonio C.L., Fernandes, Igor A., Rocha, Natália G.

“…OBJECTIVE:The inability of the organism to appropriately respond to hypoxia results in abnormal cell metabolism and function. Hypoxia-induced angiogenesis…”
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Differential vasomotor responses to isocapnic hyperoxia: cerebral versus peripheral circulation by Mattos, João D, Campos, Monique O, Rocha, Marcos P, Mansur, Daniel E, Rocha, Helena N M, Garcia, Vinicius P, Rocha, Natalia G, Alvares, Thiago S, Secher, Niels H, Nóbrega, Antonio C L, Fernandes, Igor A

“…Isocapnic hyperoxia (IH) evokes cerebral and peripheral hypoperfusion via both disturbance of redox homeostasis and reduction in nitric oxide (NO)…”
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Is Hyperoxic Hyperventilation Caused by Reduced Carbon Dioxide Washout or Disturbed Brain Redox Homeostasis? by Fernandes, Igor A., Mattos, João D., Monique, Campos O., Rocha, Marcos P., Mansur, Daniel E., Rocha, Helena M., Garcia, Vinícius P., Alvares, Thiago S., Secher, Niels H., Nóbrega, Antonio C. L.

“…Abstract only…”
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Dataflow Programming for Stream Processing by Rocha, Marcos P., Franca, Felipe M. G., Nery, Alexandre S., Guedes, Leandro S.

“…Stream processing applications have high-demanding performance requirements that are hard to tackle using traditional parallel models on modern many-core…”
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