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Anterior Cervical Discectomy and Fusion(ACDF) 前路颈椎间盘切除融合术 Introduction (介绍） Anterior cervical discectomy procedures are usually performed to remove pressure on nerves from disc herniations. A disc herniates when the outer portion of the disc ruptures and some of the softer disc nucleus material squeezes out. The herniated disc pushes against the spinal cord or spinal nerves and tends to cause pain in the neck or arms. Removing the ruptured disc alleviates pressure on the nerves or spinal cord, which usually relieves the pain. A bone graft is usually inserted with instrumentation to keep the disc space at a normal height and fuse the vertebrae above and below the removed disc. 前路颈椎间盘切除术通常用于解除突出椎间盘对神经的压迫。当椎间盘外层部分破裂，一些柔软的椎间盘髓核组织被挤出，即为椎间盘疝出。疝出的椎间盘对脊髓或脊神经造成压迫，可能导致颈部或胳膊的疼痛。去除突出的椎间盘可以消除对神经或脊髓的压迫，往往能够使疼痛得到缓解。通常，在椎间隙插入植骨块，并用钢板固定，以保持椎间隙正常高度，使上下椎体融合在一起。 Incision （切口） An incision is made to one side on the front of the neck. Through this incision, exposure is provided to the front of the cervical spine. The herniated disc that is causing pressure on the spinal nerve is located between vertebrae. 在颈前区的一侧作一个切口。通过切口，显露颈椎的前方。引起神经压迫的疝出椎间盘定位于两椎体之间。 Excision （切除） Surgical instruments are used to remove a portion of the herniated disc, which alleviates pressure on the nerve. After disc material is removed, a bone graft is cut to the correct size and placed in between the vertebrae to add stability. 用手术器械将疝出椎间盘的一部分去除，从而使神经压迫解除。在椎间盘组织切除之后，将移植骨修整成合适大小，植入椎间隙，增加稳定性。 Stabilization （稳定） A metal plate is placed over the bone graft, and two holes are drilled in each vertebra. Four screws are placed through the plate to secure the plate to the vertebra. The metal plate provides additional support while the bone graft grows in place, fusing the vertebrae. 在移植骨前面放置金属接骨板，在相邻椎体上各钻两个孔。通过钢板拧入四枚螺钉，将钢板与椎体固定妥善。金属接骨板将移植骨维持在位，将椎体融合在一起。 Summary （总结） The incision is closed and dressed to complete the surgery. Some patients require a cervical collar for a short period of time after surgery. Most patients notice rapid improvement of their arm pain. 关闭切口并包扎，完成手术。有些病人在术后短期内需要颈围。许多病人感到胳膊疼痛的很快改善。 （高晨珉 转） |
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