The severity of the muscle injury is affected by the degree of the intramuscular pressure and the length of the retraction time.
肌肉损伤的严重程度受肌肉受压程度和牵拉持续时间影响。
Damage to the neuromuscular junction following prolonged retraction can also lead to muscle denervation.
持续长时间牵拉造成神经肌肉接头处的损害亦导致肌肉去神经支配。
The authors postulate that this complication is a by-product of muscle damage secondary to retraction.
作者推测，该并发症是由于牵开引起的肌肉损伤的副产物。
Then, a retraction device is used to move aside muscle tissue and gain access to the spine.
然后，用一个牵开装置将肌肉组织推开，获得到达脊柱的通路。
Postoperatively, there was no any brain retraction injury demonstrated on ct scan in all cases, no evidence of enophthalmos, paresis of the frontal muscle, as well as the damage to the visual acuity.
术后CT复查未见明显的脑牵拉性损伤，未发生额肌麻痹、眼球内陷、视力损害等并发症。
Postoperatively, there was no any brain retraction injury demonstrated on ct scan in all cases, no evidence of enophthalmos, paresis of the frontal muscle, as well as the damage to the visual acuity.
术后CT复查未见明显的脑牵拉性损伤，未发生额肌麻痹、眼球内陷、视力损害等并发症。
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