Direct visualization transversus abdominis plane blocks offer superior pain control compared to ultrasound guided blocks following open posterior component separation hernia repairs

Purpose Transversus abdominis plane (TAP) blockade with long-acting anesthetic can be used during open ventral hernia repair (VHR) with posterior component separation (PCS). TAP block can be performed under ultrasound guidance (US-TAP) or under direct visualization (DV-TAP). We hypothesized that US-...

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