| Objective Discussion of obstructive sleep apnea-hypopnea patients with obstructive point sectional area of the risk factors and their body mass index, neck circumference, as well as sleep apnea and the parameters of relevance, to understand the extent of blockage of the narrow point of the obstructive sleep apnea-hypopnea syndrome role. Methodes Select 126 cases detected by PSG confirmed obstructive sleep apnea patients, application of a multi-slice spiral CT measurement of the obstructive sleep apnea-hypopnea patients with obstructive point of cross-sectional area, the Census and Statistics with the height, weight, neck circumference, respiratory disturbance index, the average oxygen saturation, body mass index calculation, the above factors related analysis. Conclusionâ‘ Obstructive sleep apnea-hypopnea syndrome patients intercept point occurred in the oropharynx risk is far greater than in the nasopharynx, the hypopharynx.â‘¡Intercept point size and body mass index, neck circumference-negative correlation, but smaller correlation coefficient. Greater body mass index, neck circumference more rough, the smaller the area of interdiction points.â‘¢Obstructive point cross-sectional area, body mass index, neck circumference and are AHI, the average oxygen saturation at night are related, but AHI, night average oxygen saturation point with obstruction of the relevance of cross-sectional area was significantly stronger in the neck circumference, BMI related sexual.â‘£OSAHS patients with mild to moderate and the group had no relevance. Severe AHI OSAHS patients with obstructive point cross-sectional area, age was negatively correlated with BMI, neck circumference were positively correlated with other indicators were not relevant.
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