What are chronic complications of BPH?

Chronic bladder retention (usually painless, w/out need to urinate expressed by pt, responsible for urination or overflow incontinence (too full bladder)) Blast Stasis Lithiasis (chornic stasis causes bladder stones causing hematuria or UTIs, seen by ASP and US) Chronic Obstructive Renal Failure (Bilateral dilation of the pyelocaliceal cavities is chronic and painless. Uretero-hydronephrosis is responsible for thinning of the renal parenchyma and chronic obstructive renal failure )