VENTILATORY (VE) RESPONSE TO INTRAVENOUS BOLUS OF DOXAPRAM (DOX) IN NEWBORN LAMBS
نویسندگان
چکیده
منابع مشابه
Laryngeal response to nasal ventilation in nonsedated newborn lambs.
Although endoscopic studies in adult humans have suggested that laryngeal closure can limit alveolar ventilation during nasal intermittent positive pressure ventilation (nIPPV), there are no available data regarding glottal muscle activity during nIPPV. In addition, laryngeal behavior during nIPPV has not been investigated in neonates. The aim of the present study was to assess laryngeal muscle...
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Our aim was to determine the effects of intrauterine compromise, induced by maternal anemia, on ventilatory responsiveness of the sleeping newborn to progressive asphyxia. We induced anemia in 6 sheep for the final third of pregnancy and studied their offspring for 2-3 weeks after birth. Lambs from anemic ewes were growth-restricted at birth; they and 6 control lambs were chronically instrument...
متن کاملThe ventilatory effects of doxapram in normal man.
1. To determine the mode of action of doxapram in man we have measured ventilation, oxygen uptake, CO2 production, hypoxic and hypercapnic ventilatory responses in six healthy men before and during intravenous infusion to maintain a constant plasma level. 2. Doxapram changed neither resting oxygen uptake nor CO2 production but produced a substantial increase in resting ventilation at both level...
متن کاملNewborn Lambs
We have previously shown that the pulmonary venoconstriction produced by a stable thromboxane A2 analogue (STAJ is attenuated by prostacyclin (PGIi), but PGI, increases the STA2-induced edema. The present study was designed to determine the effects of STA2 and PGI2 on the fluid balance in isolated blood-perfused newborn lamb lungs. Vascular permeability was evaluated by use of the fluid filtrat...
متن کاملAbsence of inspiratory laryngeal constrictor muscle activity during nasal neurally adjusted ventilatory assist in newborn lambs.
In nonsedated newborn lambs, nasal pressure support ventilation (nPSV) can lead to an active glottal closure in early inspiration, which can limit lung ventilation and divert air into the digestive system, with potentially deleterious consequences. During volume control ventilation (nVC), glottal closure is delayed to the end of inspiration, suggesting that it is reflexly linked to the maximum ...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1987
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-198704010-00397