Geneva, Aug. 17 -- International Clinical Trials Registry received information related to the study (ChiCTR2600129642) titled 'The effectiveness of spinal dorsal root nerve block for postoperative analgesia after spinal deformity osteotomy surgery: A retrospective cohort study based on reducing the incidence of postoperative chronic pain' on Aug. 7.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: University of Hong Kong-Shenzhen Hospital

Condition: scoliosis

Intervention: Spinal dorsal root nerve block(DRNB+PCIA):None

Recruitment Status: Not Recruiting

Phase: Retrospective study

Date of First Enrollment: 2026-02-12

Target Sample Size: Spinal dorsal root nerve block(DRNB+PCIA):68;Non-spinal dorsal...