The use of opioids in the treatment of chronic pain is sometimes accompanied by inadequate pain relief and opioid-specific side-effects. Opioid rotation is a therapeutic approach, that can improve analgesia and provide a more advantageous analgesia and toxicity relationship. This article presents a case report and discusses the mechanisms, indications and possibilities of opioid rotation.

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The case of a 55-year-old woman is described where shoulder pain was successfully treated with a suprascapular catheter. During arthroscopy of the shoulder the catheter was detected in the subacromial space. The reasons and consequences of an abnormal position of the suprascapular catheter are discussed.

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