Abstract

The incidence of breast cancer has increased significantly over recent years.1 Surgery is the gold standard treatment for most cases, and general anaesthesia (GA) is the preferred anaesthetic technique. However, regional anaesthesia may be an alternative to GA in multimodal regimens in high-risk patients to avoid GA-related cardiovascular or pulmonary side effects.2 The use of neuraxial techniques [thoracic epidural or thoracic paravertebral block (TPVB)] or an intercostal nerve block can therefore be suggested.3 However, novel approaches that are easier, safer, and more effective have been proposed to overcome possible complications and difficulties of these techniques. One approach, the pectoral nerve (Pecs) II block, is a fascial plane block that has shown promising results in anterolateral chest wall 2 analgesia.3,4 The aim of this technique is to block the pectoral nerves, intercostobrachial, intercostals3- 6 and the long thoracic nerve.4 The Pecs block II has been used successfully as part of the multimodal regimen for postoperative analgesia, but not yet as a primary anaesthetic technique in breast surgery.3 Here, we describe breast cancer resection with ultrasound (US)-guided Pecs block II and sedation in two high-risk elderly patients. Both patients provided written consent for publication of the case reports and related images. Here, we present two breast cancer resection cases with multiple comorbidities who underwent ultrasound-guided Pecs II blocks under sedation. Additional analgesic and / or local anaesthetic infiltration was required for parasternal region pain (simple mastectomy, Case 1) and axillary region pain (sentinel node biopsy, Case 2). However, Pecs II blocks may not block the anterior cutaneous intercostal nerve branches or the intercostobrachial nerve in operations involving the medial part of the breast or extending to the axilla.

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