Bladder residual urine is a lot of what problem

After normal urination, there is no residual urine in the bladder. If there is still urine in the bladder after urination, we call it residual urine, more than 5 to 10 ml, it becomes a pathological phenomenon. More common in bladder outlet obstructive diseases, such as prostatic hyperplasia, urethral stricture, there is bladder neck contracture, due to urethral obstruction caused by urination effort, bladder detrusor muscle in a long time in the state of excessive force, eventually decompensation will form residual urine. Prostate surgery intervention indication is residual volume more than 60 ml, other diseases are similar in this standard.