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首页> 外文期刊>International journal of clinical rheumatology. >Ultrasound-guided joint injection in difficult locations
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Ultrasound-guided joint injection in difficult locations

机译：超声引导关节注射在困难的地方

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Intra-articular (IA) therapy is used for many joint diseases and is included among the recognized treatments in several guidelines. The knee joint is mostly treated in this way because the injection can be inserted into the joint more easily with a very high, although not complete, success rate.The IA injection is used less frequently for the treatment of other joints, such as the hip and the sacroiliac joint, where the injection is difficult to perform.The IA injections of the hip without imaging guidance have a significant risk of failure (~40%) to reach the articular cavity.Until recently the imaging guidance to perform these injections was fluoroscopic or computed tomography (CT) . These methods show important disadvantages. First, they expose both the patient and the operator to radiation and this, among other things, makes the cyclic repetition of the therapy ethically unacceptable.Moreover, the use of iodinated contrast material - which is needed to confirm that the IA compound is injected into the exact site -causes a drug dilution and, thus, an alteration of its optimal concentration required for the therapeutic action.
机译：关节内（IA）治疗可用于多种关节疾病，并且已被纳入几项指南中公认的治疗方法之中。膝关节通常采用这种方法进行治疗，因为注射可以更容易地以很高的成功率插入关节，尽管成功率不高。IA注射很少用于治疗其他关节，例如髋关节没有成像指导的髋关节IA注射有很大的失败（〜40％）不能到达关节腔的风险。直到最近，进行这些注射的成像指导都是荧光检查或计算机断层扫描（CT）。这些方法显示出重要的缺点。首先，它们使患者和操作者都受到放射线照射，这在伦理上使循环重复治疗在伦理上是不可接受的;此外，使用碘化造影剂-这是确定将IA化合物注射到体内所必需的确切的位点会导致药物稀释，从而改变治疗作用所需的最佳浓度。

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