经皮椎体成形术是治疗脊柱压缩性骨折的微创手术。
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Percutaneous vertebroplasty is a minimally invasive procedure used to treat spinal compression fractures.
经皮椎体成形术是治疗脊柱压缩性骨折的微创手术。
Compression fractures occur in spinal vertebrae that have been weakened by osteoporosis or other conditions that weaken the bones, such as cancer.
因骨质疏松或其它疾病，比如肿瘤，使骨骼强度下降，就可能发生压缩性骨折。
Compression fractures typically occur in the thoracic region of the spine, which includes the T1 through T12 vertebrae, but may also occur in the lumbar spine, or L1 through L5.
压缩性骨折常常发生在脊柱胸段，包括胸1到胸12椎体，也可发生在腰椎，包括腰1到腰5。
The goals of vertebroplasty are to reduce pain while also stabilizing and strengthening the fractured vertebra.
椎体成形术的目的是减轻疼痛，同时也使骨折椎体得到稳定和强化。
In the procedure, the patient lies face down on the operating table. The surgeon may reset the fractured vertebra by externally manipulating the patient's body position before surgery begins.
手术过程中，患者俯卧于手术床上。开始手术前，外科医生可能会通过外部手法改变病人体位来整复骨折的椎体。
The surgeon punctures the skin over the affected vertebra with a biopsy needle.
外科医生用活检针在病变椎体表面皮肤进行穿刺。
Using X-ray guidance, the needle is inserted into the vertebra through the pedicle, or sometimes slightly above it. Using either a rotary motion or a tapping mallet, the surgeon pushes the needle into the bone at an angle until it reaches deep into the vertebral body.
通过X线的引导，将针通过椎弓根插入椎体，有时稍高一些。外科医生用旋转运动或用小锤子敲击，将针以一定角度穿入骨内，直至椎体深部。
Low-viscosity bone cement is injected into the vertebra, which then spreads throughout the weakened portion of the bone. Depending on how rapidly the cement spreads, a second injection may be necessary.
将低粘度骨水泥注入椎体，骨水泥弥散到骨强度下降的部分。根据骨水泥弥散的速度，可能需要第二次注射。
The cement hardens quickly, creating an internal cast inside of the fractured vertebra.
骨水泥很快就变硬了，在骨折椎体内形成了内夹板。
The patient may turn over and lie flat on his or her back while the cement hardens, which usually takes about 5 minutes. The entire process may be then repeated on the other side of the vertebral body.
骨水泥固化一般需要5分钟左右，必要时在椎体对侧重复整个操作过程。当骨水泥固化后，患者可翻身仰面平卧。
The surgeon then bandages the skin puncture. Most patients can go home the same day as the procedure.
外科医生用创可贴包扎皮肤穿刺伤口。大多数患者在手术当天可以回家。
(胡佰文 译）
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