Urology
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To assess the accuracy of office-based ultrasound (US) to identify the fluid status of the AMS 800 artificial urinary sphincter (AUS) pressure-regulating balloon (PRB). ⋯ US is an effective and accurate way of determining the fluid status of the AMS 800 AUS. Given the accuracy of this modality, the system can be filled with saline solution without losing the ability to determine fluid status.