This study would be the first to demonstrate feasibility, accuracy, reliability, clinical care impact, and patient satisfaction with remote monitoring of post-void residual bladder volume (PVR) using the Butterfly portable ultrasound device in patients with obstructive voiding dysfunction.
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Accuracy of self-measurement of PVR using the Butterfly with bladder ultrasound images compared to the Butterfly with abstract bladder images measured by Bland-Altman analysis.
Timeframe: up to 6 months
Accuracy of self-measurement of PVR using the Butterfly with bladder ultrasound images compared to the healthcare provider's measurements of patient PVR using the Butterfly with bladder ultrasound images measured by Bland-Altman analysis.
Timeframe: up to 6 months
Accuracy of self-measurement of PVR using the Butterfly with bladder ultrasound images compared to the healthcare provider's measurements of patient PVR using the Butterfly with abstract bladder images measured by Bland-Altman analysis.
Timeframe: up to 6 months
Accuracy of patient self-measurement of PVR using the Butterfly with bladder ultrasound images compared to the healthcare provider's measurements of patient PVR using the existing ultrasound technology measured by Bland-Altman analysis.
Timeframe: up to 6 months
Accuracy of patient self-measurement of PVR using the Butterfly with bladder ultrasound images compared to the healthcare provider's bladder catheterization of the patient measured by Bland-Altman analysis.
Timeframe: up to 6 months