Causes of pyometra in dogs

1. The main cause of pyometra due to dystocia is excessive nutrition during pregnancy;
2. Abnormal fetal development, due to Too many fetuses, and individual fetuses that are too large lead to continuous contraction of the uterine muscles, and the fetuses cannot enter the birth canal and remain in the uterus, forming pyometra;
3. In unneutered dogs, too many times of estrus lead to abnormal ovarian function.

Symptoms of pyometra in dogs

1.DogsClosed pyometra

Accounting for 59.6% (28/47) of the statistical cases, the cervix is ​​completely blocked, no purulent secretions are discharged from the vulva, the abdominal circumference is large, and breathing and heartbeat are accelerated. , in severe cases, it is difficult to breathe, the abdominal skin is tense, the subcutaneous veins in the abdomen are distended, and the patient likes to lie down.

2.DogsOpen pyometra

This type of cases accounted for 40.4% (19/47). The cervical canal is not completely closed, and a small amount of purulent secretion flows out from the vulva from time to time. It is cheese-colored, gray or reddish-brown, has an unpleasant smell, and often contaminates the vulva, tail root and hock. The affected dog's vulva is red and swollen, the vaginal mucosa is flushed, and the abdominal circumference is slightly enlarged.

3.Common symptoms

Most occur 3 to 8 weeks after estrus. Initially, there is fever, depression, loss of appetite, reduced activity, lethargy, and sometimes vomiting. , as the disease progresses, the appetite gradually disappears, the desire to drink gradually increases, the affected dog loses weight, the abdominal circumference increases, and the body is exhausted.

Pyometra in dogsConservative treatment

1. Closed pyometra

The patient is lying on his side in Baoding, and a 7# or 10# needle is inserted into the uterine cavity to extract the pus. During extraction, the uterus is gently rubbed continuously so that as much pus can be extracted as possible. Daily once. Supplementary treatment is provided with antibacterial, anti-inflammatory, rehydration and other auxiliary treatments. After the dog's spirit improves, inject cloprostenol 2 mg/kg body weight or diethylstilbestrol. Generally, the cervical canal will open and pus will flow out in about 48 hours. Continuous oral administration of bonus tablets can also promote the opening of the cervical canal. After the dog's appetite recovers, motherwort extract should be taken for 10 to 15 days to promote uterine purification.

2. Open pyometra

For large dogs, disposable catheters or infusion sets can be used to flush the cervix through the cervixUterus. Use uterine puncture to flush the uterus in small dogs. Injection of cloprostenol or diethylstilbestrol promotes further opening of the cervical canal. Supplemented by drug therapies such as antibacterial and anti-inflammatory, rehydration, and relief of autotoxicity. Take motherwort extract orally for 10 to 15 days.

Surgical therapy for pyometra in dogs

1. Anesthesia and Baoding: Intramuscular injection of 846 mixture 0.1ml/kg body weight, general anesthesia, supine or semi-supine Baoding.
2. For the surgical procedure, a linea alba incision is selected, the abdominal cavity is opened routinely, and the bilateral uterine horns and uterine body are gradually pulled out of the incision. If there is too much pus in the uterine cavity, part of the pus can be extracted to isolate the uterus. The ovarian artery, vein, and uterine artery and vein are ligated, the mesoovary and broad uterine ligament are cut outside the ligation line, a double penetrating ligation is performed behind the cervix, and finally the uterus is completely removed at the vagina, and the abdominal cavity is closed routinely.
3 Postoperative care for dogs with pyometra: routine postoperative care, transfusion of whole blood when anemia is severe, and for those with a long course of disease and liver and kidney damage, pay attention to liver protection and supplement energy, amino acids or albumin.