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鼻周期(nasal cycle)呈自动调节,规律性变化,血管扩张时鼻腔充血,血管收缩时鼻腔充血消退,约有72～80%的人存在这种现象。当一侧鼻腔充血时,另一侧鼻腔充血消退,鼻腔的总体阻力不变,鼻周期每隔30分钟至6小时变换一次,使一侧鼻腔休息,另一侧鼻腔保持呼吸、湿润和清洗的功能。本文用前鼻测压法,对10名受试者进行双侧鼻气道阻力的测量,证实鼻腔粘膜呈充血和充血消退交替性变化,并用糖精法测定鼻周期两个阶段的粘膜纤毛清除力,充血阶段糖精传递时间为10.43±3.55分钟,充血消退阶段糖精传递时间为
Nasal cycle is automatically adjusted, regular changes, nasal congestion during vasodilation, nasal congestion during vasoconstriction subsided, about 72 ~ 80% of the human existence of this phenomenon. When one side of the nasal congestion, the other side of the nasal congestion subsided, the overall resistance of the nasal cavity unchanged, the nasal cycle changes every 30 minutes to 6 hours, one side of the nasal cavity to rest, the other side of the nasal respiratory, moisturizing and cleaning Features. In this study, nasal pressure measurements were performed in 10 subjects to measure bilateral nasal airway resistance, confirming the alternation of hyperemia and congestion in the nasal mucosa and the mucociliary clearance in both stages of the nasal cycle , The time of saccharin delivery in hyperemia stage was 10.43 ± 3.55 minutes, the time of saccharin delivery in congestive period was