EFFECT OF AGE ON THE SENSITIVITY OF UPPER AIRWAY REFLEXES

被引:43
作者
ERSKINE, RJ [1 ]
MURPHY, PJ [1 ]
LANGTON, JA [1 ]
SMITH, G [1 ]
机构
[1] LEICESTER ROYAL INFIRM,DEPT ANAESTHESIA,LEICESTER LE1 5WW,ENGLAND
关键词
AGE FACTORS; AIRWAY; REFLEX SENSITIVITY;
D O I
10.1093/bja/70.5.574
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
We have recorded the threshold concentration of inhaled ammonia vapour required to elicit reflex glottic closure (NHTR) in 102 healthy, non-smoking 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 intermittent breaths to the upper airway and recording glottic closure using an inspiratory pneumotachograph. We found a strong positive correlation between age and NH3TR, indicating a decrease in upper airway reflex sensitivity with increasing age.
引用
收藏
页码:574 / 575
页数:2
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