目的：探讨经皮内镜腰椎间盘摘除术(percutaneous endoscopic lumbar discectomy, PELD)中后颈部疼痛与腰段硬膜外腔压力(lumbar epidural pressure,LEP)的相关性。方法本研究采用前瞻性设计,选择择期经椎板间隙入路 PELD 患者86例,男46例,女40例,年龄19~71岁, ASA Ⅰ或Ⅱ级。采用腰段硬膜外麻醉,并经硬膜外导管接换能器连续监测 LEP,记录手术开始前LEP 基础值(LEPbase )、后颈部开始疼痛时 LEP(LEPpain )和术中 LEP 最大值(LEPmax ),采用趋势卡方检验分析 LEPmax 与后颈部疼痛发生率的关系。结果有30例(34.9%)患者术中出现后颈部疼痛。LEPmax 最低为31.0 mm Hg,最高为77.0 mm Hg。后颈部疼痛患者 LEPmax 为(60.6±8.8)mm Hg,明显高于无疼痛患者的(50.7±9.5)mm Hg (P <0.01)。后颈部疼痛的发生与 LEPmax 呈显著正相关(P <0.01)。结论经皮内镜腰椎间盘摘除术中腰段硬膜外腔压力最大值越高的患者,后颈部疼痛发生的可能性越大。%Objective To investigate the correlation between posterior neck pain and lumbar epidural pressure (LEP)during percutaneous endoscopic lumbar discectomy (PELD).Methods A prospective study was performed on 86 patients undergoing PELD,46 males,40 females,aged 1 9-71 years,with ASA physical status of Ⅰ or Ⅱ.Each patient received lumbar epidural anesthesia.Lum-bar epidural pressure (LEP)was monitored continuously through a lumbar epidural catheter which was connected to a pressure transducer.LEP before the operation (LEPbase ),LEP at the time of pos-terior neck pain (LEPpain )and maximal LEP (LEPmax )were recorded.Results Thirty patients (34.9%)complained of posterior neck pain during the procedure.The lowest LEPmax was 31.0 mm Hg,and the highest LEPmax was 77.0 mm Hg.The LEPmax in patients with neck pain [(60.6± 8.8)mm Hg]was significantly higher than LEPmax in patients without neck pain [(50.7 ± 9.5 ) mm Hg](P <0.01 ).Patients with higher LEPmax had higher probabilities of having posterior neck pain (P <0.01).Conclusion Patients with higher LEPmax had higher probabilities of having posterior neck pain.
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