The ability to define and understand the relationship and significance of bladder outlet obstruction to the diagnosis and treatment of BPH continues to be a clinical problem that needs examination. Urodynamics remain the best tool to diagnose bladder outlet obstruction. However, controversies exist in its role as a diagnostic tool for therapeutic intervention. This article reviews the various issues and state of the art urodynamic modalities that pertain to the application of urodynamics to BPH. Specifically, a critical review is provided for the various urodynamic modalities such as uroflowmetry and multichannel urodynamics as it pertains to its clinical application and study of BPH.
