Background：Posterior cervical decompression is an accepted treatment for multilevel cervical spondylotic myelopathy （CSM）.Each posterior technique has its own advantages and disadvantages.In the present study,we co...Background：Posterior cervical decompression is an accepted treatment for multilevel cervical spondylotic myelopathy （CSM）.Each posterior technique has its own advantages and disadvantages.In the present study,we compared the functional and radiological outcomes of expansive hemilaminectomy and laminoplasty with mini titanium plate in the treatment of multilevel CSM.Methods：Forty-four patients with multilevel CSM treated with posterior cervical surgery in Department of Orthopedic Surgery,Beijing Army General Hospital from March 2011 to June 2012 were enrolled in this retrospective study.Patients were divided into two groups by surgical procedure：Laminoplasty （Group L） and hemilaminectomy （Group H）.Perioperative parameters including age,sex,duration of symptoms,opcrative duration,and intraoperative blood loss were recorded and compared.Spinal canal area,calculated using AutoCAD software（Autodesk Inc.,San Rafael,CA,USA）,and neurological improvement,evaluated with Japanese Orthopedic Association score,were also compared.Results：Neurological improvement did not differ significantly between groups.Group H had a significantly shorter operative duration and significantly less blood loss.Mean expansion ratio was significantly greater in Group L （77.83 ± 6.41%） than in Group H （62.72 ± 3.86%） （P 〈 0.01）.Conclusions：Both surgical approaches are safe and effective in treating multilevel CSM.Laminoplasty provides a greater degree of enlargement of the spinal canal,whereas expansive hemilaminectomy has the advantages of shorter operative duration and less intraoperative blood loss.展开更多
目的探讨在颈后路椎板切除减压术中应用超声骨刀的安全性及对手术疗效的影响。方法回顾分析2013年4月—2017年4月52例因颈椎后纵韧带骨化症(ossification of posterior longitudinal ligament of cervical spine,C-OPLL)行颈后路椎板扩...目的探讨在颈后路椎板切除减压术中应用超声骨刀的安全性及对手术疗效的影响。方法回顾分析2013年4月—2017年4月52例因颈椎后纵韧带骨化症(ossification of posterior longitudinal ligament of cervical spine,C-OPLL)行颈后路椎板扩大切除减压植骨融合术(posterior cervical laminectomy decompression and fusion,PCLDF)患者临床资料。按术中是否使用超声骨刀分为超声骨刀组(A组,20例)和传统枪式钳减压手术组(B组,32例)。两组患者性别、年龄、体质量、身高、术前血红蛋白及日本骨科协会(JOA)评分等一般资料比较,差异均无统计学意义(P>0.05),具有可比性。记录并比较两组患者手术时间、术中出血量、术后引流量、住院时间、并发症发生情况、术后1 d血红蛋白、术后6个月JOA评分,并计算JOA改善率。结果 A组手术时间及术中出血量显著少于B组(P<0.05);两组术后引流量及住院时间比较差异无统计学意义(P>0.05)。两组术后1 d血红蛋白均较术前显著改善(P<0.05);术后1 d B组血红蛋白略高于A组,但差异无统计学意义(t=–1.260,P=0.214)。两组患者均获随访,随访时间6～10个月,平均7.6个月。所有患者术中及术后均无C5神经麻痹、硬膜撕裂、感染、硬膜外血肿形成、深静脉血栓形成、肺栓塞、输血过敏、休克等严重并发症发生。两组术后6个月JOA评分均较术前改善(P<0.05);术后6个月两组间JOA评分及改善率比较,差异均无统计学意义(P>0.05)。结论 PCLDF治疗C-OPLL术中使用超声骨刀安全可靠,减压效果与传统枪式钳一致,但具有明显缩短手术时间以及减少术中出血的优势。展开更多
文摘Background：Posterior cervical decompression is an accepted treatment for multilevel cervical spondylotic myelopathy （CSM）.Each posterior technique has its own advantages and disadvantages.In the present study,we compared the functional and radiological outcomes of expansive hemilaminectomy and laminoplasty with mini titanium plate in the treatment of multilevel CSM.Methods：Forty-four patients with multilevel CSM treated with posterior cervical surgery in Department of Orthopedic Surgery,Beijing Army General Hospital from March 2011 to June 2012 were enrolled in this retrospective study.Patients were divided into two groups by surgical procedure：Laminoplasty （Group L） and hemilaminectomy （Group H）.Perioperative parameters including age,sex,duration of symptoms,opcrative duration,and intraoperative blood loss were recorded and compared.Spinal canal area,calculated using AutoCAD software（Autodesk Inc.,San Rafael,CA,USA）,and neurological improvement,evaluated with Japanese Orthopedic Association score,were also compared.Results：Neurological improvement did not differ significantly between groups.Group H had a significantly shorter operative duration and significantly less blood loss.Mean expansion ratio was significantly greater in Group L （77.83 ± 6.41%） than in Group H （62.72 ± 3.86%） （P 〈 0.01）.Conclusions：Both surgical approaches are safe and effective in treating multilevel CSM.Laminoplasty provides a greater degree of enlargement of the spinal canal,whereas expansive hemilaminectomy has the advantages of shorter operative duration and less intraoperative blood loss.
文摘目的探讨在颈后路椎板切除减压术中应用超声骨刀的安全性及对手术疗效的影响。方法回顾分析2013年4月—2017年4月52例因颈椎后纵韧带骨化症(ossification of posterior longitudinal ligament of cervical spine,C-OPLL)行颈后路椎板扩大切除减压植骨融合术(posterior cervical laminectomy decompression and fusion,PCLDF)患者临床资料。按术中是否使用超声骨刀分为超声骨刀组(A组,20例)和传统枪式钳减压手术组(B组,32例)。两组患者性别、年龄、体质量、身高、术前血红蛋白及日本骨科协会(JOA)评分等一般资料比较,差异均无统计学意义(P>0.05),具有可比性。记录并比较两组患者手术时间、术中出血量、术后引流量、住院时间、并发症发生情况、术后1 d血红蛋白、术后6个月JOA评分,并计算JOA改善率。结果 A组手术时间及术中出血量显著少于B组(P<0.05);两组术后引流量及住院时间比较差异无统计学意义(P>0.05)。两组术后1 d血红蛋白均较术前显著改善(P<0.05);术后1 d B组血红蛋白略高于A组,但差异无统计学意义(t=–1.260,P=0.214)。两组患者均获随访,随访时间6～10个月,平均7.6个月。所有患者术中及术后均无C5神经麻痹、硬膜撕裂、感染、硬膜外血肿形成、深静脉血栓形成、肺栓塞、输血过敏、休克等严重并发症发生。两组术后6个月JOA评分均较术前改善(P<0.05);术后6个月两组间JOA评分及改善率比较,差异均无统计学意义(P>0.05)。结论 PCLDF治疗C-OPLL术中使用超声骨刀安全可靠,减压效果与传统枪式钳一致,但具有明显缩短手术时间以及减少术中出血的优势。
