Results 191 to 200 of about 10,602 (234)

Hypocapnia, mitochondria and surfactant secretion

Thorax, 2019
Surfactant, a phospholipoprotein produced and stored by alveolar type II (ATII) cells, lowers surface tension in the alveolus and distal airways and is essential for normal lung mechanics and gas exchange.1 Decreases in surfactant production induced by prematurity or disease cause alveolar collapse, hypoxemia and reductions in lung compliance, thereby ...
Beata, Kosmider, Karim, Bahmed, Steven, Kelsen   +2 more
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Hypercapnia and hypocapnia in neonates

World Journal of Pediatrics, 2008
The arterial partial pressure of carbon dioxide (PaCO2) represents the balance between CO2 production and consumption. Abnormal increase or decrease in PaCO2 can affect the body's internal environment and function. Permissive hypercapnia has aroused more attention as a novel ventilatory therapy.
Wei, Zhou, Wen, Liu
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Association Between Hypocapnia and Febrile Seizures

Journal of Child Neurology, 2014
The purpose of this study is to determine whether hyperthermia-induced hyperventilation with subsequent hypocapnia is relevant to febrile seizures in children. This is only the second study to measure pCO2 and pH values in children with febrile seizures.
Buket, Kilicaslan, Ilknur, Erol, Yasemin, Ozkale, Semra, Saygi, Cagla, Sariturk   +4 more
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Lactate and pyruvate accumulation during hypocapnia

Respiration Physiology, 1971
Abstract Dogs anesthetized with sodium pentobarbital and passively hyperventilated to Pa CO 2 of 15 torr developed an increase in blood lactate plus pyruvate of approximately 2 mM/L m 2 hr. When the same procedure was carried out with animals breathing 5% CO 2 there was no increase in lactate or pyruvate.
A C, Garcia, Y I, Lai, B A, Attebery, E B, Brown   +3 more
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Central respiratory CO2 sensitivity at extreme hypocapnia

Respiration Physiology, 1984
In 7 cats anaesthetized with chloralose-urethane the ponto-medullary region was artificially perfused with blood having PaCO2 values (central PaCO2) in the range of 0.3-4.5 kPa. The ventilatory response to changes in central PaCO2 was measured at constant hypercapnic and hypoxic conditions in the systemic circulation.
A, Berkenbosch, J H, van Beek, C N, Olievier, J, De Goede, P H, Quanjer   +4 more
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Hypoxic Respiratory Response during Acute Stable Hypocapnia

American Journal of Respiratory and Critical Care Medicine, 2003
The hypoxic ventilatory response during hypocapnia has been studied with divergent results. We used volume-cycled ventilation in spontaneously breathing normal subjects to study their hypoxic ventilatory response under conditions of stable hypocapnia. Subjects were studied at three different levels of end-tidal (partial) carbon dioxide pressure (PETCO2)
Stephen, Corne, Kim, Webster, Magdy, Younes   +2 more
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Hypocapnia and gram-negative bacteremic shock

The American Journal of Surgery, 1970
Abstract Gram-negative bacteremic shock is characterized by hypocapnia. Survivors consistently demonstrated pH compensation (alkalosis), although this did not serve as a wholly reliable index of prognosis. Hypocapnia persisted at the time of death. The lungs continued to perform well and the cause of death could not be attributed to pulmonary failure.
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Primary hypocapnia: a cause of metabolic acidosis

Journal of Applied Physiology, 1962
In the presence of severe, sustained hypocapnia produced in dogs by mechanical hyperventilation, a bicarbonate deficit has been observed. The development of this deficit was progressive and did not terminate at pH compensation. The consequence of this progressive deficit was metabolic acidosis.
A, EICHENHOLZ, R O, MULHAUSEN, W E, ANDERSON, F M, MACDONALD   +3 more
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Extreme hypocapnia in the critically III patient

The American Journal of Medicine, 1974
Abstract Respiratory alkalosis was the most common acid-base disturbance observed in a computer analysis of 8,607 consecutive arterial blood gas studies collected over an 18 month period in a large intensive care unit. Through a retrospective review of the randomly selected hospital records of 114 patients, we defined four groups based upon arterial ...
J T, Mazzara, S M, Ayres, W J, Grace
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Hemodialytic Hypocapnia

Annals of Internal Medicine, 1970
G, Giorgio, P, Claudio, D F, Gemma, R, Bruno   +3 more
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