Double axillary vein variation diagnosed with ultrasound guidance during infraclavicular nerve block intervention

The use of ultrasound guidance increases the safety of peripheral block interventions by allowing anaesthesiologists to simultaneously see the position of block needle, the targeted nerves and surrounding vessels. In this report, we represented three patients diagnosed with double axillary vein variation with ultrasound guidance during infraclavicular nerve block intervention. The patients were scheduled for different types of upper limb surgeries. All patients received infraclavicular nerve block for anaesthetic management. A double axillary vein variation was diagnosed with ultrasound during block interventions. Hydro-location technique was used in all cases and the procedures were completed uneventfully. In the current literature, there is limited number of reports concerning double axillary vein variation. Detailed knowledge of the axillary anatomy is important to avoid complications such as intravascular injection during peripheral nerve block interventions. The use of ultrasound guidance and hydro-location technique should be considered for nerve blocks, especially in the axillary area.

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