DETRUSOR ATONY OF THE URINARY-BLADDER FOLLOWING PROLONGED DYSTOCIA INA DOG

A five-year-old female beagle was presented for prolonged dystocia of one to four days. Abdominal radiography demonstrated an enlarged uteru s containing three fetuses. A fourth fetus was located within the birt h canal in dorsotransverse presentation. A Cesarean section was perfor med. At surgery, a severely distended discolored bladder was noted. Fo llowing surgery, the dog failed to voluntarily urinate, and involuntar y urine dribbling was noted when the bladder became distended. A diagn osis of detrusor atony was made based on clinical signs. After nine da ys of medical therapy, bladder function returned. Detrusor atony follo wing prolonged dystocia has not been reported previously in veterinary or human medical literature.