Vienna Medical School, Department for Orthopaedics and Orthopaedic Surgery, AKH-Wien, Währinger Gürtel18-20, 1090 Vienna, Austria.
Eur J Radiol. 2010 Jul;75(1):e37-40. doi: 10.1016/j.ejrad.2009.06.018. Epub 2009 Aug 3.
The acromio-clavicular (AC) joint is very susceptible to degenerative processes that result in pain and functional impairment. One common modality of treatment has been local infiltration of the joint space. Although this procedure has produced notable positive results, needle misplacement occurs frequently. The aim of this investigation is to evaluate the effects of an intra articular infiltration by comparing precise needle placement into the joint space using high-resolution-ultrasound with the conventional palpation technique.
This prospective and randomized pilot study analysed 20 patients who were assigned either to the "ultrasound" or the "palpation" group. Clinical examinations were performed before treatment and at 1h, 1 week and 3 weeks after a single infiltration of local anaesthetic and corticoid carried out by one specialist.
In both groups significant improvement in pain and function was obtained up to one-week post injection. Function remained significantly improved until the last follow-up and did not differ between the two groups. The agent was administered in all patients into the joint space in the ultrasound group.
Ultrasound guided infiltration of the AC joint is an easily achieved procedure without any complications. However, clinical follow-up did not differ between free-hand and ultrasound-guided AC joint space infiltration.
肩锁关节（AC）非常容易受到退行性过程的影响，导致疼痛和功能障碍。一种常见的治疗方法是局部关节内浸润。尽管该程序产生了显著的积极结果，但经常出现针头错位。本研究的目的是通过比较使用高分辨率超声的精确关节内注射与传统触诊技术，评估关节内浸润的效果。
这项前瞻性、随机的初步研究分析了 20 名患者，他们被分配到“超声”或“触诊”组。由一名专家进行单次局部麻醉和皮质类固醇浸润治疗前和治疗后 1h、1 周和 3 周进行临床检查。
两组患者在注射后 1 周内疼痛和功能均显著改善。功能在最后一次随访时仍保持显著改善，两组之间无差异。在超声组，所有患者均将药物注入关节腔内。
AC 关节超声引导下浸润是一种简单易行的操作，无任何并发症。然而，临床随访结果在手控和超声引导 AC 关节间隙浸润之间没有差异。
