• Thos Harnroongroj, Jumphon Wangphanich, and Thossart Harnroongroj.
• Department of Orthopedics Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
• J Med Assoc Thai. 2011 Dec 1;94(12):1482-6.

BackgroundReduction technique of acute anterior shoulder dislocation is always performed under sedation or general anesthesia in order to permit successful reduction such as traction counter-traction (TCT). However, the patients take risks of sedation or anesthesia. There are several techniques of reduction that reduce the dislocation without using sedation or anesthesia such as Milch technique, gentle traction, abduction and external rotation (TAE) technique and scapular manipulation. In the present study, the authors compared efficacy of reduction of acute anterior shoulder dislocation by using TAE without sedation and TCT techniques under conscious sedation.ObjectiveTo compare efficacy of TAE without sedation and TCT techniques under conscious sedation for reduction of acute anterior shoulder dislocation.Material And MethodBetween 2001 and 2010, the authors reviewed medical records and radiographs of 76 patients who sustained one or more episodes of acute anterior shoulder dislocation and divided into two groups. Group 1 used the technique of TAE without sedation. Group 2 used the technique of TCT under conscious sedation. Group 1 and 2 consisted of 32 and 44 patients, 24 and 33 males, eight and 11 females, average age 39.13 (17-71) and 34.77 (18-76) years old, 24 and 34 right sides, eight and 10 left sides, 21 and 24 from sport injuries and 10 and 18 non-sport injuries respectively. Successful reduction, post-reduction complication and patients 'satisfaction score of 0 to 10 of both groups were evaluated and p < or = 0.05 were considered for statistical significant differences.ResultsThe successful reduction of group 1, 2 were 90.63% (29/32) and 100% (44/44) with 95% Confidence interval 74.98 to 98.02% and 93.42 to 100% respectively. The statistical analysis showed no significant difference of both groups (p = 0.071). There was no post-reduction complication of both groups. The patients' satisfaction score of group 1, 2 were 9.38 (8-10) and 7.94 (3-10). The statistical analysis showed patients' satisfaction score of group 1 were significantly higher than group 2 (p = 0.007).ConclusionTAE technique under sedative-free for reduction of acute anterior shoulder dislocation is effective, simple, and safe.

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