Morphological changes of upper airway in patients with obstructive sleep apnea hypopnea syndrome after H-UPPP
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摘要: 目的 研究阻塞性睡眠呼吸暂停低通气综合征(OSAHS)患者行改良悬雍垂腭咽成形术(H-UPPP)后上气道腭咽平面的形态变化规律及与疗效的相关性。方法 选取2016年1月—2019年9月在武汉中心医院行H-UPPP的中重度OSAHS患者36例,于术前和术后1个月、3个月、6个月、1年、2年时测算BMI值,并行PSG检测AHI、LSaO2、CT90,采用64排螺旋CT检查腭咽平面最小前后径、左右径和截面积的变化情况。结果 AHI、LSaO2、CT90、BMI及腭咽平面最小前后径、左右径、截面积的变化在术后1个月时最明显。其中左右径的扩大可维持至术后6个月,术后1年逐渐回缩; 前后径的改善则可维持至术后3个月,术后2年时恢复到术前水平; 最小截面积在术后1个月时扩大明显,3个月后即出现缩小趋势,但术后2年观察时仍较术前有明显改善(P < 0.05);AHI的变化与最小截面积类似,术后2年仍有显著差异(P < 0.001);LSaO2的改善在术后1个月时最明显,可维持至术后3个月,后逐渐恢复; CT90的改善可维持至术后半年,在术后1年时下降明显; BMI在术后1年仍好于术前,但术后2年时恢复至术前水平。AHI与腭咽平面最小前后径和截面积的变化显著相关,而与左右径无明显相关。结论 OSAHS患者H-UPPP术后上气道形态变化主要为前后径、左右径、最小截面积扩大,以术后3个月最为明显,3个月后逐渐出现前后径和最小截面积变小; 最小前后径和截面积的变化可反映手术疗效。
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关键词:
- 睡眠呼吸暂停低通气综合征,阻塞性 /
- 悬雍垂腭咽成形术 /
- 体层摄影术
Abstract: Objective To investigate the morphological changes of the upper airway palatepharyngeal plane after modified uvulopalatopharyngoplasty(H-UPPP) in patients with obstructive sleep apnea hypopnea syndrome(OSAHS) and efficacy of the surgery.Methods Thirty-six patients diagnosed as moderate to severe OSAHS in the Central Hospital of Wuhan from January 2016 to September 2019 were treated with H-UPPP. PSG and 64 slice spiral CT were performed before operation, 1 month, 3 months, 6 months, 1 year and 2 years after operation to evaluate the changes of AHI, LSaO2, CT90, BMI and the minimum anterior and posterior axis diameter, left and right axis diameter and cross-sectional volume of velopharyngeal plane, respectively.Results The AHI, LSaO2, CT90, BMI were significantly improved, while the minimum anterior posterior axis diameter, left and right axis diameter and cross-sectional volume of velopharyngeal plane were enlarged in the maximum extent at one month after operation. The alteration of left and right axis diameter could be maintained until half a year after operation, but gradually retracted after 1 year after operation. The improvement of anterior and posterior axis diameter can only be maintained until 3 months after operation, and return to the preoperative level 2 years after operation; The minimum cross-sectional area improved significantly at 1 month after operation and decreased after 3 months, but there was still a significant improvement at 2 years after operation(P < 0.05). The change of AHI was similar to that of the minimum cross-sectional area, and there was still a significant difference at 2 years after operation(P < 0.001); The improvement of LSaO2 was the most significant at 1 month after operation, which could be maintained until 3 months after operation, and then gradually recovered. The improvement of CT90 could be maintained until half a year after operation, and decreased significantly at 1 year after operation. BMI was still better than that before operation at 1 year after operation, but returned to the preoperative level at 2 years after operation. The improvement of AHI was mainly related to the minimum anterior posterior axis diameter and cross-sectional area of velopharyngeal plane, but not to the left and right axis diameters.Conclusion The morphological changes of upper airway in patients with OSAHS after H-UPPP are mainly the improvement of anterior posterior diameter, left and right diameter and minimum cross-sectional area caused by removing the anatomical load of upper airway within 3 months after operation, but the reduction of anterior posterior diameter and minimum cross-sectional area gradually occurs after 3 months, resulting in the weakening of surgical effect. -
表 1 36例患者术后各时间节点疗效比较
例(%) 时间 治愈 显效 有效 总有效 术后1个月 1(2.8) 12(33.3) 1(2.8) 14(38.9) 术后3个月 2(5.6) 10(27.8) 2(5.6) 14(38.9) 术后6个月 1(2.8) 12(33.3) 0(0) 13(36.1) 术后1年 0(0) 5(13.9) 1(2.8) 6(16.7) 术后2年 0(0) 4(11.1) 2(5.6) 6(16.7) -
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