Perineal urethrostomymale cats: pros and cons

One of the manifestations of diseases of urinary excretory organs is the acute urinary retention that is a life-threatening pathological condition in cats. The acute urinary retention leads to the pathological changes not only of the bladder and the urethra, but also of the other internal organs. As a result of the acute urinary retention the mortality rate can reach 8.5%. Studies were carried out on 18 cats that have undergone the perineal urethrostomy with removal of the penis. The penis was removed completely in 2 cats, a stump about 2 cm of a length was left in 16 cats. All patients after the operation were followed for 6 months to 5 years. The diagnosis was made using the data of anamnesis, the clinical examination, the results of laboratory analysis, and also instrumental diagnostics. Indications for performing the perineal urethrostomy for 56% of clinical cases were recurrent urethral obstruction, for 33% of clinical cases - primary urethral obstruction by uroliths or urethral plugs and for 11% of cases - a penile trauma (selfinduced and iatrogenic). The clinical observation was carried out for all operated animals. There were no complications associated with the operation and relapses of the underlying disease in 44% of the animals after the operation. The following complications were observed during the study period in 56% of animals: trauma of the stoma, urinary incontinence, urethral stenosis, repeated obstruction of the urethra, overgrowing of the stoma. The clinical observation was carried out for all operated animals. The most common complication of surgery (35% of complications) is the overgrowth of the stoma. The overgrowth of the stoma often is combined with urethral stenosis (25% of complications). Studies have shown that the perineal urethrostomy is not an operation of the first choice. The perineal urethrostomy with removal of the penis should be applyed only in cases when the patency of the penile part of the urethra and/or the distal part of the pelvic part of the urethra is violated.

перинеальная уретростомия, уролитиаз, уролиты, заболевания нижних мочевыводящих путей, perineal urethrostomy, urolithiasis, uroliths, feline lower urinary tract diseases

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