A Study of Combined Pain-Relief Interventions to Prevent Long-Term Pain After Thoracoscopic Lung Surgery

INTERVENTION: Control group:Conventional perioperative analgesia;Intervention group:Conventional analgesia combined with intraoperative local incisional glucocorticoid injection and perioperative gabapentin.; CONDITION: Chronic postsurgical pain after thoracoscopic pulmonary resection PRIMARY OUTCOME: Incidence of moderate‐to‐severe chronic postsurgical pain at 6 months after surgery; SECONDARY OUTCOME: Incidence of chronic postsurgical pain at 3 months after surgery;NRS pain scores at rest and during activity;Use of rescue analgesia and cumulative opioid consumption within 72 hours after surgery;Incidence of intervention‐related adverse events; INCLUSION CRITERIA: 1.Aged 18–75 years, regardless of sex. 2.Scheduled to undergo elective thoracoscopic wedge resection, segmentectomy, or lobectomy. 3.Surgical procedure: thoracoscopic pulmonary resection. 4.American Society of Anesthesiologists physical status class I–III. 5.Able to understand and complete pain assessments using the Numerical Rating Scale. 6.Voluntarily participating in the study and providing written informed consent.