What is bladder neck contracture?

summary

Bladder neck contracture is an important problem of bladder neck obstruction. The so-called bladder neck refers to a tubular structure with the length of 1-2cm from the internal orifice of urethra to the urethra. It includes the internal sphincter, but the internal sphincter is not all of the bladder neck. Bladder neck contracture can be congenital or acquired. In addition to the typical local pathological changes, there is often no other clear reason for congenital heart disease; Acquired is often due to local chronic inflammation, such as posterior urethritis, prostatitis, trigonometritis, etc., female incidence is not lower than male. Congenital disease is more common in children, often before the age of six that dysuria, but after the age of 20 or 30 years old, the disease is not rare. What is bladder neck contracture?

What is bladder neck contracture?

1. Most of them think that it is related to chronic inflammation. The pathological manifestation is that the smooth muscle of neck submucosa is replaced by fibrous connective tissue, the bladder neck becomes pale, rigid and fixed, and the neck mouth becomes narrow. The appearance of bladder neck obstruction, that is, dysuria for a long time. Male bladder neck contracture can occur simultaneously with benign prostatic hyperplasia. Therefore, the bladder neck should also be formed after prostatectomy, otherwise the symptoms of obstruction can not be relieved.

2. The main symptom of bladder neck contracture is dysuria. Dysuria, strenuous urination, segmented urination, crying in children, urine dripping, and sometimes reflexive urination. When combined with urinary tract infection, the above symptoms are more obvious. During physical examination, the bladder may swell in the lower abdomen, but it is not always obvious. In the early stage, it was slow micturition, slow urine flow, thin urine line, and gradually developed into laborious micturition; Late stage of urinary retention * can also occur enuresis and urinary incontinence, often associated with urinary tract infection. In severe cases, hydronephrosis and chronic renal insufficiency may occur.

3. For the early patients with little residual urine, no infection and good renal function, urethral dilatation can be used. Now we use electric cauterization. In children, 5-8 pieces of tissue can be removed. In adults, more tissues need to be removed. This operation requires special instruments.

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