后路钉棒系统结合同种异体骨板覆盖预防椎板切除术后硬脊膜粘连的临床观察

来源 :第七届西部骨科论坛暨青海省骨科年会 | 被引量 : 0次 | 上传用户:februaryliao
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  目的:应用同种异体骨板覆盖,预防椎板切除术后硬脊膜及神经根与周围组织粘连。方法:临床应用33例腰椎爆裂性骨折骨块凸入椎管所致椎管狭窄患者,行后路全椎板切除, "H"型同种异体冻干辐照骨块覆盖,钉棒系统内固定术后两月、四月、六月至十二月随访,观察临床症状及X线片、CT表现。结果:术后半年至壹年随访33例,其中优26例,占79%;良4例,占12%,差3例,占9%,总有效率达91%。经X线片、CT示椎管明显扩大,骨板无倾斜、移位,脊髓无压迫,无排异反应。结论:同种异体骨冻干辐照骨板具有良好的生物相容性,生物力学性和诱导成骨作用,是防止术后瘢痕凸入椎管而引起压迫,可用于外伤节段性椎板覆盖成型术。
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