has anyone delt with this? we noticed symptoms thrusday night in my 7 year old lab, and we cant spring the money for surgery. im not having any luck finding home treatment ideas and i dont wont her to suffer. in a day or 2 i am gonna have to put her down if i cant find something to try.
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Pyometra is bad and needs to be taken care of quickly. If you don't spay her she will likely die. Call (817) 913 3099 if you have any questions that I can help answer.
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THE PET HEALTH LIBRARY
By Wendy C. Brooks, DVM, DipABVP
Educational Director, VeterinaryPartner.com
Pyometra
The word pyometra is derived from Latin pyo meaning pus and metra meaning uterus. The pyometra is an abscessed, pus-filled infected uterus. Toxins and bacteria leak across the uterine walls and into the bloodstream causing life-threatening toxic effects. Without treatment death is inevitable.
What Might Make a Veterinarian Suspect this Infection?
Classically, the patient is an older female dog. (Pyometra can occur in cats but its not nearly as common.) Usually, she has finished a heat cycle in the previousl 1 to 2 months. She has a poor appetite and may be vomiting or drinking an excessive amount of water. In the more usual open pyometra, the cervix is open and the purulent uterine contents is able to drip out thus a smelly vaginal discharge is usually apparent.
There is also a form of pyometra called a closed pyometra, where the cervix is closed. In these cases, there is no vaginal discharge and the clinical presentation is more difficult to diagnose. These patients also tend to be sicker than those with open pyometra due to retention of the toxic uterine contents.
Lab work shows a pattern typical of widespread infection which is often helpful in narrowing down the diagnosis. Radiographs may show a gigantic distended uterus though sometimes this is not obvious and ultrasound is needed to confirm the diagnosis.
How does this Infection Come About?
With each heat cycle, the uterine lining engorges in preparation for pregnancy. Eventually, some tissue engorgement becomes excessive or persistent (a condition called cystic endometrial hyperplasia). This lush glandular tissue is ripe for infection (recall that while the inside of the uterus is sterile, the vagina below is normally loaded with bacteria.). Bacteria ascend from the vagina and the uterus becomes infected and ultimately pus filled.
What is the the Usual Treatment?
The usual treatment for pyometra is surgical removal of the uterus and ovaries. It is crucial that the infected uterine contents do not spill and that no excess hemorrhage occurs. The surgery is challenging especially if the patient is toxic. Antibiotics are given at the time of surgery and may or may not be continued after the uterus is removed. Pain relievers are often needed post-operatively. A few days of hospitalization are typically needed after the surgery is performed.
It is especially important that the ovaries be removed to remove future hormonal influence from any small stumps of uterus that might be left behind. If any ovary is left, the patient will continue to experience heat cycles and be vulnerable to recurrence.
While this surgery amounts to the same end result as routine spaying, there is nothing routine about a pyometra spay. As noted, the surgery is challenging and the patient is in a life-threatening situation. For these reasons, the pyometra spay typically costs five to ten times as much as a routine spay.
Pros: The infected uterus is resolved rapidly (in an hour or two of surgery). No possibility of disease recurrence.
Cons: Surgery must be performed on a patient that could be unstable.
Is there an Alternative to Surgery?
In the late 1980s another treatment protocol became available that might be able to spare a valuable animal’s reproductive capacity. Here, special hormones called prostaglandins are given as injections to cause the uterus to contract and expel its pus. A week or so of hospitalization is necessary and some cramping discomfort is often experienced. The treatment takes place over the course of a week. This form of treatment is not an option in the event of a closed pyometra as described above.
Pros: There is a possibilityof future pregnancy for the patient (though often there is too much uterine scarring). Surgery can be avoided in a patient with concurrent problems that pose extra anesthetic risk
Cons: Pyometra can recur. The disease is resolved more slowly (over a week or so). There is a possibility of uterine rupture with the contractions. This would cause peritonitis and escalates the life-threatening nature of the disease.
Prevention
Spaying represents complete prevention for this condition. Spaying cannot be over-emphasized. Often an owner plans to breed their pet or is undecided, time passes, and then they fear she is too old to be spayed. A female dog or cat can benefit from spaying at any age. The best approach is to figure that pyometra will eventually occur if a female pet is left unspayed; any perceived risks of surgery are very much out-weighed by the risk of pyometra.
Date Published: 1/1/2001
Date Reviewed/Revised: 09/20/2007
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