ESPB vs TPVB for Postoperative Analgesia After the Nuss Procedure

Comparison of Erector Spinae Plane and Paravertebral Nerve Blocks for Postoperative Analgesia in Children After the Nuss Procedure

This is a prospective randomized double-blind non-inferiority trial designed to test the hypothesis that erector spinae plane block (ESPB) is non-inferior to thoracic paravertebral block (TPVB) in postoperative pain control after pectus excavatum repair.

Inclusion Criteria:

• Age between 4 to 18 years Scheduled for elective Nuss surgery Written informed consent is obtained from parents of each patient.

Exclusion Criteria:

• Coagulation dysfunction. American Society of Anesthesiologists Physical Status 4 or 5. Allergy to study medication. Local infection at the site of injection or systemic infection. Inability to understand Chinese.