Although the clinical outcomes of the two surgical techniques were similar, the VAT decreased the operative time and intraoperative fluoroscopy times in posterior PECD surgery. The learning curve for posterior PECD could be shortened by using the VAT. These slides can be retrieved under Electronic Supplementary Material.

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From these two cases, we concluded that the operation of anchoring during PECD should be cautious and standardized, intravenous anesthesia should be chosen to enhance intraoperative anesthesia to prevent intraoperative total spinal anesthesia.

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