If a urinary tract obstruction is suspected, x-rays or ultrasound imaging will be needed to locate the affected area. Once a blockage has been confirmed, the surgery can be planned. There are multiple tube choices but Foley catheters have the highest success rates. Blood work may be run if the situation allows it. Urinary blockages are often emergencies, and as such immediate action must be taken to safe the dog's life.
The dog will need to fast for several hours before the surgery commences. A sedative will be given to the dog, and then an IV will be inserted. General anesthesia will be administered at this point. To prevent infection and ease the process, the abdomen will be shaved and cleaned. The area of entry will be marked on the skin, and then an incision can be made. Once the abdominal cavity has been opened, the bladder may be incised. The tube will be placed in the bladder and secured using sutures. Saline will be pumped through to identify any leaks. If no leaks exist, the bladder and then the abdomen can be sutured shut.