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+Evaluation
==Procedure==
*Perform a '''preliminary sonography''', including color Doppler of the area to be punctured, to define the relationship of adjacent neurovascular structures.<ref name="YeapRobinson2017"/>Preferably, also evaluate the joint area for any joint effusion, or any thickening or hyperemia of the joint capsule.
*Decide which '''approach''' to use. Two common anterior approaches are typically used both with the patient lying supine:
[[File:Hip joint injection by anterior longitudinal approach.jpg|thumb|200px|Anterior longitudinal approach. An arrow parallel to the long axis of the transducer is drawn on the skin adjacent to the end of transducer where the needle will be introduced.<ref name="YeapRobinson2017"/>]]
*Perform '''sterile preparation''' of the entire injection field, including adjacent skin where the gel and probe are applied. Areas of superficial infection such as cellulitis or abscess should be avoided to prevent deeper spread.<ref name="YeapRobinson2017"/>
*Using the previous mark, '''insert the needle''', directed toward the intended target. It can be done by a freehand technique,<ref name="YeapRobinson2017"/> but a needle guide may be used. Needles with a Birmingham Gauge of 22–24 are sufficed for most injections.<ref name="YeapRobinson2017"/>
==Report==
*Contents of injectate.
A more comprehensive report may also include:
*Even the absence of hip effusion
*Even the absence of joint capsule thickening or hyperemia
{{Reporting}}
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