intermittent self-catheterization

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intermittent self-catheterization (ISC, clean intermittent self-catheterization, CISC) n. a procedure in which the patient periodically passes a disposable catheter through the urethra into the bladder for the purpose of emptying it of urine. It is increasingly used in the management of patients of both sexes (including children) with chronic retention and large residual urine volumes, often due to neuropathic bladder. ISC may prevent back pressure and dilatation of the upper urinary tract with consequent infection and incontinence. Explanation of ISC for people with continence problems