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目的:研究腺样体肥大(AH)对儿童睡眠结构的影响。方法:通过多导睡眠图分析了47例AH患儿(AH组)睡眠结构,并与11例同龄儿童(正常组)睡眠结构正常值进行比较。结果:与同龄儿童睡眠结构正常值相比AH组的睡眠结构存在如下异常:①S1期所占比例增加:AH组15.4±9.3,正常组7.9±6.8(P<0.01);S2期所占比例减少:AH组41.8±9.7,正常组46.7±7.6(P<0.01);Delta期所占比例增加:AH组26.2±10.6,正常组23.3±8.7(P>0.05);REM期所占比例减少:AH组7.7±4.9,正常组27.3±5.6(P<0.01)。②总醒觉指数:AH组32.8±26.03,高于正常儿童18.3±12.2(P<0.05)。③REM潜伏期:AH组(157.1±71.4)min,比正常儿童(84.5±36.5)min延长约2倍(P<0.01),AH组睡眠效率(89.6±8.4)%,略低于正常值的(90.2±8.7)%(P>0.05)。结论:AH主要引起睡眠结构紊乱、醒觉的指数增加、REM睡眠剥夺睡眠片段,但深睡眠时间增加。
Objective: To study the effect of adenoid hypertrophy (AH) on sleep structure in children. Methods: Polysomnography was used to analyze the sleep patterns in 47 cases of AH children (AH group) and compared with those of 11 children of the same age group (normal group). Results: The sleep structure of AH group had the following abnormalities compared with normal sleep structure of children of the same age: (1) The proportion of S1 phase increased: 15.4 ± 9.3 in AH group and 7.9 ± 6.8 in normal group (P <0.01) : 41.8 ± 9.7 in AH group and 46.7 ± 7.6 in normal group (P <0.01). The proportion of Delta phase increased: 26.2 ± 10.6 in AH group and 23.3 ± 8.7 in normal group (P> 0.05) Group 7.7 ± 4.9, normal group 27.3 ± 5.6 (P <0.01). ② total arousal index: AH group 32.8 ± 26.03, higher than normal children 18.3 ± 12.2 (P <0.05). (3) The latency of REM in group AH was (157.1 ± 71.4) min, which was about 2 times longer than that in normal children (84.5 ± 36.5) min (89.6 ± 8.4)%, which was slightly lower than that in normal group ± 8.7% (P> 0.05). Conclusion: AH mainly caused disorder of sleep structure and increased index of awakening. REM sleep deprived sleep segments, but deep sleep time increased.