多导睡眠图监测的影响因素与干预措施

Influencing factors and preventive measures of polysomnography monitoring

目的探讨多导睡眠图（PSG）监测结果的影响因素及实施干预措施后的效果。方法选择2011年5月至2012年4月在我院初步诊断为睡眠呼吸暂停综合征（SAS）行PSG检查的患者205例，对其PSG检查进行干预（观察组），包括心理疏导，加强皮肤处理、电极和传感器安置环节处置。选择2010年5月至2011年4月在我院初步诊断为SAS行PSG检查未进行干预的152例患者作为对照组。对两组PSG检查成功率及失败的原因进行比较分析。结果观察组PSG监测成功199例（97．1％），对照组成功140例（92．1％），两组成功率的比较差异有统计学意义（χ^2=4．499，P=0．034）；入睡困难、电极脱落、电极阻抗大是监测失败的主要原因。结论PSG检查操作过程复杂、耗时长，实施有效的干预措施可以提高PSG监测的成功率。

Objective To observe the influencing factors of polysomnography （PSG） monitoring and to evaluate the efficacy of preventive measures. Methods We selected 205 patients with sleep apnea syndrome （SAS） who accepted PSG from May 2011 to April 2012 in our hospital as the intervention group. They were administered preventive measures, including psychological counseling, intensive grease dispelling of patient skin, arrangement of sensor and electrode. One hundred and fifty-two SAS patients who were administered PSG from May 2010 to April 2011 were selected as the control group. The monitoring successful rates between groups were compared and influencing factors were investigated. Results The monitoring successful rates of control group and the intervention group were 92. 1% and 97. 1% respectively; there was a statistically significant difference between the successful rates of the two groups （ χ^2 = 4. 499, P 〈 0. 05 ）. The main causes for unsuccessful monitoring were difficulty falling asleep, electrode distortion and high impedance of electrode. Conclusion PSG monitoring has a complex operating procedure and is time-consuming and effective preventive measures can improve the successful rate of PSG.