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据推测,睡眠诱导的周期性呼吸可使睡眠呼吸暂停综合征(SAS)患者发生上气道阻塞。为了探讨周期性呼吸与上气道阻塞的关系,本文报导6例伴有潮式呼吸的患者睡眠期间发生的上气道阻塞。6例无 SAS 及上气道解剖异常伴潮式呼吸之患者(男性5例,女性1例)。年龄自44～65岁,平均50±8岁。平均体重/身高比正常,一有8例因充血性心衰而超过正常值(0.48)。肺功能检查皆无阻塞性气道疾患。5例有低氧血症,P_A-αO_2增大,伴呼吸性及/或代谢性碱中毒。呼吸暂停的标准是口及鼻气流停止达10秒或以上,可分为中枢性、阻塞性或混合性三种类型。
Presumably, sleep-induced periodic breathing can cause upper airway obstruction in patients with sleep apnea syndrome (SAS). In order to investigate the relationship between periodic respiration and upper airway obstruction, this article reports the upper airway obstruction that occurs during sleep in 6 patients with tidal breathing. Six patients without SAS and upper airway anatomy with tidal breathing (5 males and 1 females). Age from 44 to 65 years old, with an average of 50 ± 8 years old. The average body weight / height ratio was normal, with one in eight cases exceeding normal (.48) due to congestive heart failure. Pulmonary function tests are non-obstructive airway disease. 5 cases of hypoxemia, P_A-αO_2 increased, with respiratory and / or metabolic alkalosis. The standard of apnea is to stop the mouth and nasal flow of 10 seconds or more, can be divided into central, obstructive or mixed three types.