回推手术后动脉血氧饱和度（SpO2）的变化。
Changes of arterial oxygen saturation (SpO2) following push-back operation.
作者信息
Iida S, Kogo M, Ishii S, Kohara H, Matsuya T
机构信息
First Department of Oral and Maxillofacial Surgery, Osaka University Faculty of Dentistry, Suita City, Japan.
出版信息
Int J Oral Maxillofac Surg. 1998 Dec;27(6):425-7. doi: 10.1016/s0901-5027(98)80030-1.
This study showed the influence of the push-back operation on the occurrence of sleep-related apnea in cleft-palate patients with an analysis of arterial oxygen saturation (SpO2) during sleep, polygraphic analysis of nasal air flow, and chest wall movements. The postoperative SpO2 was lower than that of the presurgical period in all cases, requiring from five to nine days to recover to presurgical levels. According to polygraphic analysis this depression of SpO2 was caused by peripheral obstructive apnea, while, in spite of the cessation of nasal airflow, chest wall movement continued.
本研究通过分析腭裂患者睡眠期间的动脉血氧饱和度（SpO2）、鼻气流多导记录分析以及胸壁运动，显示了后推手术对与睡眠相关的呼吸暂停发生情况的影响。所有病例术后的SpO2均低于术前，需要五至九天才能恢复到术前水平。根据多导记录分析，SpO2的这种降低是由外周阻塞性呼吸暂停引起的，而尽管鼻气流停止，但胸壁运动仍在继续。
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