Technical strategies and anatomic considerations for parapedicular access to thoracic and lumbar vertebral bodies.

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文献标题：: Technical strategies and anatomic considerations for parapedicular access to thoracic and lumbar vertebral bodies.

文献摘要：: OBJECTIVES: To investigate and illustrate a variation on the traditional percutaneous access to the vertebral body via a parapedicular approach. DESIGN: An effective parapedicular access technique that could safely and reliably guide the needle tip into the center of the vertebral body was developed from cadaver dissection observations for the purpose of clinical use. PATIENTS: A total of 102 vertebral compression fractures from T-4 to L-5 were treated via the parapedicular access at our institution between July 2005 and March 2006. There were 72 patients between the ages of 17 and 96 years (mean age: 68.2 years) who underwent treatment. RESULTS: The cadaver dissection revealed a relatively avascular and aneural portion of the vertebral body along the superior margin of the vertebral body-pedicle junction. A total 102 vertebral fractures were treated using the parapedicular access technique without any recognized clinical complications from the needle access or the instrumentation. CONCLUSIONS: The thoracic and lumbar vertebral bodies may be safely, reliably, and reproducibly accessed using a percutaneous parapedicular access technique. The technique presented represents a relatively avascular and aneural approach to vertebral body.

参考中文摘要：: 目的：探讨和说明的变化对传统皮进入椎体通过parapedicular办法。设计：一个有效的parapedicular接入技术，可以安全，可靠地指导针尖到中央的椎体从尸解剖意见的目的是临床使用。患者：一共有102个椎体压缩骨折从T - 4至L - 5例获得通过parapedicular之间在本机构2005年7月和2006年3月。有72例年龄介于17和96岁（平均年龄：六十八点二年）谁接受治疗。结果：标本解剖显示相对缺血和aneural部分椎体沿上级缘椎体椎弓根交界处。共有102个椎体骨折患者使用parapedicular接入技术没有任何公认的临床并发症针进入或仪器。结论：胸腰椎椎体可安全，可靠和reproducibly透过皮parapedicular接入技术。该技术提出了一个相对缺血和aneural办法椎体。

作者单位：: Clinical Radiology of Oklahoma, University of Oklahoma, 610 NW 14th, Oklahoma City, OK 73103, USA. dpb@okss.com