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RACZ Caudal Neurolysis
Racz马尾神经松解术
Racz Caudal Neurolysis is a non-surgical injection treatment for managing lower back pain and leg pain oftentimes caused by scarring from a previous back surgery. This interactive video gives a clear picture of RACZ Caudal Neurolysis.
Racz马尾神经松解术（Racz Caudal Neurolysis）是一种非开放手术的注射疗法，主要用于治疗往往是脊柱手术后瘢痕形成导致的腰痛及下肢痛。这段交互式视频清晰地介绍了Racz马尾神经松解术。
Overview（概述）
This injection, generally performed as an outpatient procedure under local anesthesia, relieves low back and leg pain most often caused by scarring form a prior back surgery. The procedure is performed with the patient lying face down with a cushion placed under the stomach.
这种注射治疗通常以局麻的方式在门诊病人进行治疗，主要用于缓解往往由脊柱手术治疗后瘢痕形成导致的腰痛及下肢痛。术中，病人取俯卧位，并且在腹侧放置一个软垫。
Anesthetic Injected（注射麻醉药）
The physician locates the small opening at the base of the sacrum(called the sacral hiatus) and injects a local anesthetic that numbs the skin and all the tissue down to the surface of the sacral hiatus.
医生定位骶骨下方的小裂孔（称为骶管裂孔），并注射局部麻醉药，将皮肤及骶管裂孔表面全层组织麻醉。
Needle Inserted（插入穿刺针）
The physician then guides the needle through the anesthetized track and into the epidural space.
接着，医生用穿刺针沿着已麻醉的路径插入，直到硬膜外。
Contrast Solution Injected（注入造影液）
A contrast solution is injected, allowing the physician to see the scarred and painful areas on an X-ray device called a fluoroscope.
注入造影液后，医生可以通过一个X线透视设备看到瘢痕组织和疼痛的部位。
Catheter Inserted（置入导管）
A small, flexible catheter is fed through the needle and positioned at the location of scarring.
一个柔韧可弯曲的细导管通过穿刺针置入到瘢痕组织的位置。
Medication Injected（注射药物）
A steroid-anesthetics mix is injected through the catheter and around the scarring bathing the painful area in medication and dissloving the scar tissue.
将类固醇-麻醉药混合物通过导管注射至瘢痕组织周围，使疼痛部位浸浴在药物中，并将疤痕松解。
End of Procedure（治疗结束）
The needle and catheter are removed. In some cases, it may be necessary to keep the catheter in place to allow for more injections over the next few days. It also may be necessary to repeat the procedure a few months later to reduce scar tissue further.
拔除穿刺针及导管。在有些病例，可能需要将导管留置数天进行多次注射治疗。或者需要在几个月之后再次进行治疗，从而进一步减少瘢痕组织。
（高晨珉 转）
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