Comparison of Apnea and Apnea-Hypopnea Indexes in Persons with Breathing Disorders during Sleep.

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The Apnea Index (AI) has been used in the past in the diagnosis of disordered breathing during sleep, but today Apnea-Hypopnea Index (AHI) is used to revual in detail the respiratory condition during sleep. We compared the AI and the AHI in 54 adults and 34 children who were operated on and whose sleep was then monitored.More children than adults had a difference between AI and AHI. There was no difference between AI and AHI in those adults with an AI<20, but there was a difference in those with an AI>20. In children there was a difference between AT and AHI in those with an AI>5, but no difference in those with an AI<5.The difference between AI and AHI increased as the AI rose in both adults and children. There were no differences between AI and AHI in relation to the outcome of surgery.
耳鼻咽喉科臨床学会の論文