Safety and effectiveness of ultrasound guided peripheral nerve blocks: Audit at tertiary care hospital.

Objective: To assess the safety and effectiveness of peripheral nerve blocks using ultrasound.

Methods: The retrospective study was conducted at the Aga Khan University Hospital, Karachi, and comprised data of all patients who received peripheral nerve blocks as part of anaesthesia care between January 2015 and January 2017. The data included outcomes of peripheral nerve block effectiveness, complications and limb conditions after the block.