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If your cat repeatedly has problems urinating, your veterinarian may recommend your cat get a perineal urethrostomy. Here's everything you need to know about PU surgery in cats and how it could help get their urinary system back on track.
Urinary blockages are a fairly common problem in cats, especially among male cats. A blockage can be caused by a lower urinary tract disease that leads to inflammation and swelling in the urethra, the tube that allow urine to pass from the bladder to outside the body. Stones, mucus plugs or tumors in the urethra can also cause blockages. If a cat can't urinate, their bladder swells up with urine. Not only is this extremely painful, but cats with urinary blockages are at risk of life-threatening damage to their bladder, kidneys and the rest of the body.
Most times, urinary blockages can be managed through a combination of a balanced meal plan, medicine, stress reduction, increased water consumption and/or the insertion of an emergency catheter. If your cat consistently has urinary blockages that can't be managed medically, however, they may be a candidate for PU surgery.
PU surgery involves surgically opening the urethra and making a new, wider opening for the cat to pee from. It's a fairly simple procedure that has been performed for many years and has a good success rate. The surgery is done under general anesthesia, usually with a local nerve block, meaning your cat will be completely asleep during the surgery and pain-free during and after the procedure.
Even though PU surgery in cats is successfully performed every day, complications can happen. Potential complications after surgery include the narrowing of the urethrostomy site, urine leakage under the skin, bleeding, urinary tract infections and incontinence, which is why it is so important to have this procedure done by an experienced surgeon and properly care for your cat after the surgery.
Another important fact to consider is that your cat's urinary problems can be due to an underlying disease, such as feline lower urinary tract disease. If the underlying condition isn't addressed, your cat may continue to strain while urinating, have bloody urine and/or pee outside the litter box — even after PU surgery.
Transpelvic urethrostomy (TPU) is an alternative to PU. However, because PU is so successful, TPU is less common.
Nonsurgical treatment requires you to work closely with your vet to try and resolve the underlying cause of your cat's urinary blockages and to monitor your cat closely for signs of urinary obstruction. Unless you're watching your cat 24 hours a day, however, this is nearly impossible. There are few alternatives for cats who repeatedly develop blockages.
To ensure your cat heals properly after their operation, follow these steps:
Most cats are fully recovered by the time they have their sutures removed — generally 10 to 14 days after the procedure. Sedation may be required to remove the sutures, so don't feed your cat before the appointment.
Most cats do very well with PU and go on to live long, healthy lives free of pain and obstruction. If PU is recommended for your cat, get all the facts you can and make sure you feel comfortable with your surgeon. Don't hesitate to ask questions — remember that you are your cat's main health advocate!
Dr. Sarah Wooten graduated from UC Davis School of Veterinary Medicine in 2002. A member of the American Society of Veterinary Journalists, Dr. Wooten divides her professional time between small animal practice in Greeley, Colorado, public speaking on associate issues, leadership, and client communication, and writing. She enjoys camping with her family, skiing, SCUBA, and participating in triathlons.
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Our low calorie formula helps you control your cat's weight. It's packed with high-quality protein for building lean muscles, and made with purposeful ingredients for a flavorful, nutritious meal. Clinically proven antioxidants, Vitamin C+E, help promote a healthy immune system.
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