Authors: SUPHİ ERDEM ACAR, MURAT ŞAROĞLU, DEFNE JOAN SADALAK
Abstract: Penile urethral obstruction in cats is a commonly seen clinical case in veterinary medicine practice. In cases where there is no response to catheterisation or medical intervention, surgery is needed to enable urination and correct uraemia and hyperkalaemia. Several surgical techniques of urethrostomy have been described for this aim. In performing standard prepucial urethrostomy great care must be taken to minimise leakage in the anastomosis site and promote healing when performing the pelvic urethra and prepucial mucosa anastomosis. To achieve this, the line of anastomosis has been reinforced by covering the anastomosis with the bilateral bulbourethral tissue, m. ischiourethralis and m. ischiocavernosus using simple mattress sutures. This modification, which varies from the technique performed by Yeh and Şaroğlu, has been termed the coating technique. Advantages of this new technique over standard perineal urethrostomy are discussed. This technique was used in the treatment of 55 cats with penile urethra obstruction presented to our clinic. Among them 52 cats showed uncomplicated recovery. Following anastomosis, a male dog urethral catheter with an outer diameter of 2.6 mm was placed in each patient. In order to avoid infection, the catheter was removed after 2 days. Stenosis developed after 1 month in 3 cases in which normal urination was resumed by performing the standard perineal urethrostomy. All cats returned to good health.
Keywords: Cat, urethrostomy, penile urethral obstruction, coating
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