Cystotomy (Opening the Bladder) in Dogs

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cystotomy in dogs

Overview of Canine Cystotomy

Cystotomy is a surgical procedure in which an incision is made into the dog’s urinary bladder. The procedure can be done for many reasons, the most common being to facilitate removal of the bladder and urethral stones. Other indications include helping to diagnose bladder tumors, repairing ectopic ureters and ruptured bladders, and aiding in the diagnosis of difficult-to-treat urinary tract infections.

Cystotomy Procedure for Dogs

The procedure itself has relatively few complications. Dogs must be placed under general anesthesia for a cystotomy. Thus, pre-anesthetic bloodwork may be performed before surgery to ensure that your pet is healthy and to help your veterinarian determine the best anesthetic regime to use.

The cystotomy is performed through an incision on your dog’s belly which is located towards the rear of the abdomen. In a male dog, the incision is off to one side of the prepuce/penis. The bladder is isolated and an incision is made.

Once the bladder has been accessed, your veterinarian removes the stones and so they can be analyzed for their composition; collects samples and cultures; or repairs ectopic ureters or the bladder wall. The bladder incision is sutured and the abdomen is flushed to remove any urine that may have leaked into it during the procedure. The abdominal incision is then closed.

After a cystotomy, your pet may be given pain-killers (analgesics) and antibiotics may be administered if infection is suspected or confirmed.

Home Care for Dogs After Cystotomy

After your pet has been released from the hospital you must restrict his activity in order to allow the incision to heal. Keep your dog in the house and allow him outside on a leash only for two weeks.

To ensure your pet’s comfort your veterinarian may prescribe anti-inflammatory medications or pain-killers (analgesics) for the first few days after surgery.

Oral antibiotics may be continued for several days until the culture results are available. The results may dictate that the same antibiotics be continued, that a different antibiotic be prescribed, or that antibiotics be discontinued altogether.

If your pet had stones in the bladder or urethra, his diet may need to be changed. Diet recommendations vary based upon the specific type of stones that are present.

Watch your pet closely for potential complications after surgery. Observe the incision twice daily for redness, swelling or discharge from the incision. Note the urine color and whether it appears to be blood-tinged. Also, determine whether your pet is urinating easily or appears to strain when urinating. If you have any concerns, contact your veterinarian immediately.

 

In-depth Information on Cystotomy in Dogs

Cystotomy is one of the most common surgical procedures performed in dogs. The procedure gives the surgeon access to the inside of the urinary bladder so that an underlying disorder can be treated or diagnosed.

Reasons Dogs Need a Cystotomy

Occasionally, dogs form abnormal crystals in their urine secondary to a systemic illness, bladder infection, or nutritional imbalance. These crystals can grow to become solid calculi (stones) that can cause bladder irritation or infection. Additionally, stones may become lodged within the urethra and prevent the dog from being able to urinate. The presence of stones may cause your pet to urinate small volumes frequently; to have blood-tinged urine; to strain to urinate; or to be unable to urinate. Cystotomy allows these stones to be removed.

Ectopic ureters are also treated through a cystotomy. Ectopic ureter is primarily a condition of young dogs where one or both ureters, the tube that normally carries urine formed in the kidneys to the bladder, open into an abnormal location. This can cause urinary incontinence (urine dribbling). If surgical correction is pursued, the repair procedure is done through an incision into the bladder.

The inside of the bladder may also be accessed to assist in the diagnosis of suspected bladder tumors. A sample of the abnormal tissue may be removed for biopsy or, if the mass is small, a portion of the bladder wall can be removed (partial cystectomy).

In some cases of severe, non-responsive urinary tract infections it may be necessary to open the bladder to obtain tissue samples for a more accurate culture. This will assist your veterinarian in determining which microorganisms are causing the infection so that an effective antibiotic can be prescribed.

The cystotomy procedure has few complications associated with it and is well tolerated by most dogs.

 

How Is a Cystotomy Done on Dogs

Depending on your dog’s age and overall health, blood work may be performed prior to anesthesia. Because general anesthesia is necessary, this information will help your veterinarian assess your pet’s kidney and liver function, as well as his overall health. Your veterinarian will also use this information to help determine the safest anesthetic regime for your pet.

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