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Xanthine Urinary Tract Stones in Dogs
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What is Xanthine Urinary Tract Stones ?
Xanthinuria results in an excessive amount of xanthine in the urine. Xanthine is a compound that works in metabolizing proteins throughout the major organs of the body including the liver, pancreas, and spleen. Xanthine works by processing and breaking down urates (salts) with the enzyme xanthine oxidase. Xanthine works as a digestive product ridding wastes, with specific enzymes to be transformed into uric acid to be discarded in the urine. When enzymes become deficient it increases the risk of forming xanthine stones in the kidneys, urethra, or bladder, where obstruction or total blockage can take place, leading to rupture.
Xanthinuria can either be a congenital or acquired disorder, and is due to the presence of excessive xanthines present in the urine. Consuming foods that are rich in purines can contribute substantially to this condition as can highly concentrated urine, and an inherited deficiency of the enzyme xanthine oxidase.
Xanthine Urinary Tract Stones Average Cost
From 68 quotes ranging from $4,000 - $2,500
Average Cost
$1,200
Symptoms of Xanthine Urinary Tract Stones in Dogs
- Pain
- Development of urolith calculi
- Hematuria (blood in the urine)
- Yellow-brownish urine
- Frequent urination
- Release of small amounts of urine
- Acute or chronic kidney failure will lead to worsening symptoms
- End-stage renal failure can cause collapse
- Death
Types
Xanthine urinary tract stones can be a hereditary disease which leads to the excessive excretion of xanthine within the urinary tract. It is a very rare disorder, constituting only up to 1% of all known urinary tract calculi. Hereditary xanthinuria is known to be most prevalent in the breeds of Cavalier King Charles Spaniel and Dachshunds.
Type 1 Xanthuria
- Lack of the Dehydrogenase oxidase enzyme
Type 2 Xanthuria
- Lack of dehydrogenase enzyme
- Lack of sulfate
- Lack of aldehyde oxidase
Xanthine stones can also be an accumulated and acquired condition resulting from the excessive use of Allopurinol medication, known to be a structured isomer medication to inhibit the xanthine oxidase enzyme.
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Causes of Xanthine Urinary Tract Stones in Dogs
- The Cavalier King Charles Spaniel is prone to xanthine urinary tract stones
- Documentation has been recorded in the Dachshund also
- Diets high in purine (meats such as bacon, liver, kidney and seafood) can cause an elevated amount of uric acid levels in the body
- Kidney problems can lead to an excessive amount of accumulated uric acid that must be stored, distributed, and deposited elsewhere leading to crystal formation
- Purine Foods are digested and metabolized into hypoxanthines, which are transformed into xanthines, and converted into uric acids and then disposed of in the urine
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Diagnosis of Xanthine Urinary Tract Stones in Dogs
If you see that your canine companion is having trouble urinating or is releasing only small quantities of urine at a time, a visit to the clinic is essential. Your pet may not be clearly exhibiting the true amount of pain that he is experiencing. Dogs can be very stoic in this regard and may show small behavioral changes that mean more than you know. Discuss with the veterinarian all signs of discomfort and demeanor changes that are not normal. Any information you can provide will aid in the diagnostic process. Recent illnesses, medications, and injuries are all relevant pieces of information to relay. The veterinarian will perform a physical examination on your pet that will include vital signs and palpation of the abdomen. Standard testing will include complete blood count and serum biochemistry. The blood enzymes will also be analyzed. A urinalysis may reveal crystal or sedimentation in the urine; further testing such as high pressure liquid chromatography can determine hypoxathine and xanthine excretion in the urine. More extensive diagnostic tools may include the use of an ultrasound to view the bladder and the kidneys which also analyzes the urethra and bladder, as well as intravenous pyelography (contrasting the ureters and the kidneys), useful in locating the exact location and size of the xanthine calculi within the kidney and urinary tracts.
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Treatment of Xanthine Urinary Tract Stones in Dogs
Dietary Management with Water
Maintaining your dog’s diet is an effective way to dissolve the stones as well as prevent recurrence. The most important component to prevent highly concentrated levels of purines is to ensure ample amounts of liquid. Be sure that your dog has access to clean, fresh water. There are special diet foods provide ingredients low in purines. When feeding your dog avoid foods containing seafood, bacon, and liver.
Discontinue use of Allopurinol
Many veterinarians may treat the symptoms of pain and renal failure with the use of other medications.
Voiding Urohydropulsion
This procedure has the ability to remove smaller stones without the use of surgery. While your dog is sedated, your veterinarian will use a catheter to fill the bladder with a sterile saline solution, which is compressed to excrete the stones out through the urethra. It cannot be used for removal of stones stuck in the kidneys or ureters.
Surgery
In severe cases, surgery may be needed to remove large calculi lodged or stuck within the ureters or lower intestinal tract.
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Recovery of Xanthine Urinary Tract Stones in Dogs
If your pet had surgery, you will need to provide a quiet, restful place for him to rest and recover when he is released from the care of the veterinary team. Your veterinarian will give you instructions for home care, to be followed carefully. You will need to bring your dog to the clinic for follow-up visits to see if dietary management is working. Recurrence of urinary tract stones is possible so be sure to be vigilant in monitoring your pet closely and carefully for signs of renal disease or failure. Your veterinarian will also want to schedule routine urinalysis to check for abnormalities.
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Xanthine Urinary Tract Stones Average Cost
From 68 quotes ranging from $4,000 - $2,500
Average Cost
$1,200
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Xanthine Urinary Tract Stones Questions and Advice from Veterinary Professionals
Need pet health advice? Ask a vet
Ask a Vet
Mog
Mongral large hound type
7 Years
Moderate severity
0 found helpful
Moderate severity
Has Symptoms
Rash Lethargic Diahorria
My friend has adopted a stray dog in Spain which has leishmaniasis. He can not afford treatment for this condition through his vet. Can I treat this with allopurinol or is the risk of kidney stones too great? If I can then what would be the dosage per kg of body weight and what time periods do you recommend. I have seen the dog and it’s not Ill as such but does display symptoms such as skin rash mainly on the face and around 20% of his body. It’s not got a very healthy coat but his mucas membranes look pink not yellow or pale. He isn’t the most energetic of animals and is prone to diahorria. Is he best to be left alone or can I medicate him without causing more harm than good. Im competent in IM injections on small animals but have only iv jabbed horses so wouldn’t want to iv anything this small. The age in the description is totally made up as it would not allow me to enter the question without it but I would say looking at his teeth he is over 2 and under 7
Dec. 30, 2017
Mog's Owner
Dr. Michele K. DVM
0 Recommendations
Thank you for your email. Unfortunately, without examining Mog, i cannot diagnose or recommend ay treatments, I'm sorry. If the treatment through his veterinarian is too expensive, what your friend might be able to do is to see his veterinarian, explain that you are a capable caregiver, and work with them on less expensive therapies. If that is a possible option, they will be able to work out dosages and medications for you. I hope that he does well.
Dec. 30, 2017
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Xanthine Urinary Tract Stones Average Cost
From 68 quotes ranging from $4,000 - $2,500
Average Cost
$1,200
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