Upper Airway Reflexes and Crying in Premature Newborns
نویسندگان
چکیده
منابع مشابه
Upper airway reflexes and obstructive sleep apnoea.
Reflexes originated from the supralaryngeal airways, larynx and lungs can affect upper airway calibre r 11. Specific receptors at the lnryngeal level have been thought to be involved 12J. N~tsal obstruction in normal men m<\y cause apnoeas allll in addition. more arousals and full awakenings from sleep [3]. The underlying mechanism remains unclear. It was demonstrated that nasal occlusion incre...
متن کاملPhysiological and pathophysiological implications of upper airway reflexes in humans.
The upper airway is a vital part of the respiratory tract. Although the upper airway serves several functions, protection of the airway and preservation of airway patency are the most essential functions subserved by upper airway reflexes. Various types of nerve endings have been identified in and under the epithelium of the upper airway, and afferent nerve endings are the natural starting of a...
متن کاملEffect of age on the sensitivity of upper airway reflexes.
We have recorded the threshold concentration of inhaled ammonia vapour required to elicit reflex glottic closure (NH3TR) in 102 healthy, nonsmoking volunteers (39 female) aged 17-96 yr in order to assess the effect of age upon upper airway reflex sensitivity. A single measurement of sensitivity was made in each subject using a system delivering small concentrations of ammonia vapour for single ...
متن کاملTheophylline toxicokinetics in premature newborns.
BACKGROUND While cytochrome P4501A2 is the primary pathway for theophylline (aminophylline ethylenediamine) metabolism in adults, it is developmentally immature in the newborn. OBJECTIVE To report the developmental differences in theophylline toxicokinetics of neonates. DESIGN Case series. Three premature neonates received inadvertent intravenous overdoses of theophylline for apnea of prema...
متن کاملInflammatory and oxidative stress airway markers in premature newborns of hypertensive mothers
Although oxidative stress and inflammation are important mechanisms in the pathophysiology of preeclampsia and preterm diseases, their contribution to the respiratory prognosis of premature infants of hypertensive mothers is not known. Our objective was to determine the levels of oxidative stress and inflammation markers in the airways of premature infants born to hypertensive and normotensive ...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1999
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-199905020-00116