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<正>近年来,随着现代建筑业及交通运输业等迅猛发展,颈椎损伤的发生率也随之上升,如累及颈髓,常出现四肢瘫痪和/或呼吸功能障碍,给患者、家庭和社会带来严重的影响。颈髓损伤(cervical spinal cord injury,CSCI)可出现不完全性瘫痪或完全性瘫痪。对于不完全性瘫痪,目前较多学者主张早期手术减压和重建稳定性;而对于完全性瘫痪,大部分学者也主张手术治疗[1~4],但手术时机则存在很大争议。 相似文献
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经后路全脊椎整块切除术治疗胸腰椎肿瘤 总被引:6,自引:0,他引:6
目的:探讨经后路全脊椎整块切除术(TES)治疗胸腰椎肿瘤的方法及其疗效.方法:2005年1月~2007年7月收治胸腰椎肿瘤患者6例,其中男3例,女3例,年龄20~77岁;Tomita分型,Ⅲ型1例,Ⅳ型3例,Ⅴ型2例;T3 1例,,T8 2例,T9 1例.T11 1例,L1 1例;骨巨细胞瘤1例,椎体单发骨髓瘤1例,转移性腺癌4例;术前脊髓功能Frankel分级B级2例,D级1例,E级3例.均应用改良弧形骨刀行一期后入路全脊椎整块切除术,同时采用钛网植骨/钛网骨水泥前方重建,并联合椎弓根钉内固定系统固定.随访观察手术时间、术中出血量、局部疼痛和脊髓功能的恢复情况,以及肿瘤复发、植骨融合、脊柱稳定性情况.结果:6例患者均顺利完成手术,手术时间200~270min,平均230min;失血量1100~3000ml,平均1400ml.随访6个月~3年,术后近期疗效均较满意,局部疼痛和神经症状均有不同程度改善或缓解.术前VAS评分平均8分,术后平均2分,平均下降6分;术前有脊髓神经功能障碍者中1例由Frankel B级恢复至D级,其余均恢复至E级.1例骨巨细胞瘤于术后15个月局部复发,再次手术;1例胃癌转移瘤患者术后14个月因多器官转移死亡;其余患者至末次随访时存活,植骨融合良好,无钛网移位及脊柱失稳,无断钉、断棒现象,无局部复发.结论:后路全脊椎整块切除术是胸腰椎肿瘤一种有效的手术方法,可改善脊髓神经功能,降低脊柱骨肿瘤局部复发率. 相似文献
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脊髓损伤后局部产生的各种抑制因子以及神经断端之间的瘢痕都是脊髓损伤难以修复的重要原因.通过细胞移植不仅可以补充局部损失的细胞,而且可以促进损伤脊髓功能的恢复.本文对脊髓损伤修复中的各种常见种子细胞进行了综述,并对各种细胞的优缺点进行了讨论.最后根据目前的研究现状,对细胞移植治疗脊髓损伤的研究趋势进行了展望. 相似文献
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Objective: To assess the osseointegration capability of hydroxyapatite-coated porous titanium with bone morphogenetic protein-2 (BMP-2) and hyaluronic acid to repair defects in the distal femur metaphysis in rabbits.
Methods: Porous titanium implants were made by sintering titanium powder at high temperature, which were coated with hydroxyapatite by alkali and heat treatment and with BMP-2 combined with bone regeneration materials. And hyaluronic acid was further used as delivery system to prolong the effect of BMP-2. The implants were inserted into the metaphysis of the distal femur of rabbits. The animals were killed at 6, 12 and 24 weeks to accomplish histological and biomechanical analyses.
Results: According to the result of histological analysis, the osseointegration in BMP-2 group was better than that of the HA-coated porous titanium group. In push-out test, all the samples had bigger shear stress as time passed by. There was statistical difference between the two groups in 6 and 12 weeks but not in 24 weeks.
Conclusion: Hydroxyapatite-coated porous titanium with BMP-2 and hyaluronic acid has a good effect in repairing defects of distal fumur in rabbits, which is a fine biotechnology for future clinical application. 相似文献
Methods: Porous titanium implants were made by sintering titanium powder at high temperature, which were coated with hydroxyapatite by alkali and heat treatment and with BMP-2 combined with bone regeneration materials. And hyaluronic acid was further used as delivery system to prolong the effect of BMP-2. The implants were inserted into the metaphysis of the distal femur of rabbits. The animals were killed at 6, 12 and 24 weeks to accomplish histological and biomechanical analyses.
Results: According to the result of histological analysis, the osseointegration in BMP-2 group was better than that of the HA-coated porous titanium group. In push-out test, all the samples had bigger shear stress as time passed by. There was statistical difference between the two groups in 6 and 12 weeks but not in 24 weeks.
Conclusion: Hydroxyapatite-coated porous titanium with BMP-2 and hyaluronic acid has a good effect in repairing defects of distal fumur in rabbits, which is a fine biotechnology for future clinical application. 相似文献
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自2000年7月~2002年10月,应用Tenor和CZJ两种椎弓根螺钉内固定器治疗31例胸腰椎骨折。现对两种内固定器设计特点对伤椎的复位机制及临床效果进行比较。报告如下。 相似文献