Everything You Need to Know About Your Dog’s Splenectomy

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Guide to Your Dog’s Splenectomy

Splenectomy is the medical term for the surgical removal of the spleen. This procedure, which can be performed on humans, dogs, and other animals, is most commonly performed for tumors of the spleen, trauma or torsion, which is the twisting of the blood vessels supplying the spleen.

German shepherd dogs are predisposed to a type of tumor of the spleen called hemangiosarcoma, but older dogs and cats can get other types of splenic tumors as well. Splenic torsion is most commonly seen in large and giant breed dogs and can occur alone or with gastric dilation and volvulus (GDV).

In dogs, trauma or rupture of the spleen can occur after any severe traumatic event, such as being kicked, falling from a high distance, or hit by a car.

Here is a very good article about how the spleen works – Structure and Function of the Spleen in Dogs. 

Diagnosis of Dog’s Spleen Before Splenectomy

Your veterinarian will ask you many questions to develop a complete history of the progression of the problem in your dog. These questions will include:

  • How is your pet’s appetite?
  • What is your pet’s activity level and demeanor?
  • Have there been any episodes of exercise intolerance?
  • Has your pet collapsed?
  • How long has the problem been noted?

    Your veterinarian will also examine your pet completely, including checking for a fever and listening to his heart and lungs. He/she will palpate (feel) your dog’s abdomen to check for an enlarged spleen, fluid in the abdomen or pain in the abdomen and will check your dog’s gums to see if they are pale, which could indicate either anemia or shock.

  • Diagnostic Tests to Evaluate for Splenic Problems

  • Blood and urine tests are submitted to look for anemia since ruptured splenic tumors or traumatically ruptured spleens can result in severe anemia. These tests will also identify abnormalities in kidney or liver function, which is important to know if your dog needs general anesthesia and surgery.
  • Abdominocentesis is performed by inserting a needle through the abdominal wall and a syringe is used to remove any fluid of blood in the abdominal cavity. This test is often done to see if there is blood in the abdomen, which could indicate a ruptured spleen.
  • Radiographs (x-rays) are taken of the abdomen to look for an enlarged spleen, a mass on the spleen and fluid in the abdomen, which could be blood from a ruptured spleen. X-rays are also taken of the chest, especially if a splenic tumor is suspected, since these often spread to the lungs.
  • An abdominal ultrasound is very helpful in identifying abnormalities of the spleen and other organs.
  • Treatment of Dogs With Spleen Problems

  • If the spleen has ruptured and has caused severe anemia and shock, your dog may require emergency stabilization. This can include intravenous fluids, steroids, oxygen therapy and blood transfusions.
  • Once your dog is stable for anesthesia, a splenectomy is done to remove the affected organ. Usually, the entire spleen is removed and sections may be submitted for biopsy.
  • If the spleen has a tumor on it, additional therapy, such as chemotherapy, may be indicated depending on the biopsy results.
  • Splenic disease can lead to abnormal heart rhythms, so an EKG is monitored for arrhythmias. Medications are given to treat the arrhythmia if needed.

    Postoperative Care for Dogs After a Splenectomy

    Closely follow your veterinarian’s instructions on post-operative care in order to get the best results. You should also restrict your dog from activity for at least 1-2 weeks after surgery.

  • Preventative Care

    If your dog collapses, shows signs of exercise intolerance, or if your dog’s gums are white, you should see a veterinarian as soon as possible.

    Information In-depth on Splenectomy in Dogs

    Splenectomy is the medical term for the surgical removal of the spleen. This procedure is often combined with exploratory abdominal surgery, in which all of the abdominal organs are inspected and biopsies are collected if needed.

    In dogs, the most common indications for splenectomy include splenic tumors, splenic torsion, which is twisting of the blood vessels supplying the spleen, and trauma to the spleen.

    Splenic Tumors in Dogs

    The most common splenic tumor in dogs is hemangiosarcoma. The breed most commonly affected is the German shepherd dog, but other breeds can be affected too. It is usually seen in older animals.

    Other types of tumors affecting the spleen include fibrosarcoma, mast cell tumor, lymphoma, osteosarcoma and leiomyosarcoma. Blood clots, or hematomas, are also seen.

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