Effective pain control during reduction of shoulder dislocation is essential for patient comfort. However, there is a lack of comprehensive research comparing the efficacy of different pain management techniques, specifically landmark-guided and ultrasound-guided intra-articular analgesic injections.

中文翻译：

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超声引导或地标引导关节内注射利多卡因对于控制肩前脱位复位中的疼痛是否更有效？随机对照试验。

肩关节脱位复位过程中有效的疼痛控制对于患者舒适度至关重要。然而，缺乏比较不同疼痛管理技术（特别是标志引导和超声引导关节内镇痛注射）功效的综合研究。