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Craniectomy is a surgical procedure that involves removing small parts of the skull in order to visualize the brain or intracranial space to correct an injury or remove a lesion or tumor. This procedure is very similar to craniotomy, which is a procedure used to remove lesions within the brain. However, unlike craniotomy, the part of the skull that is removed is not replaced. Cats that are older have a higher chance of developing neurological conditions that require craniectomy. However, some conditions, such as skull fracture and head trauma, may not be age-related.
The exact procedure for craniectomy will vary based on the condition the surgery is being used to treat. The general steps for craniectomy are outlined below.
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The efficacy of craniectomy in cats will vary depending on the underlying condition and whether or not the patient is comatose for up to 72 hours following surgery. Brain injury and head trauma typically have a guarded to poor prognosis in animals. Cats that are conscious and have retained motor function and reflexes tend to have a better prognosis.
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Surgeons will provide owners will specific aftercare instructions, which owners should follow carefully. Analgesics, antibiotics, and other medications may be prescribed postoperatively. Owners should ensure their cats do not engage in activity following surgery. If owners notice any abnormalities around the surgery site – particularly swelling, bleeding, or drainage – they should contact their veterinarian immediately. A follow-up appointment will be scheduled for ten to fourteen days following surgery to remove non-absorbable sutures. Another follow-up appointment is usually scheduled within eight weeks following surgery to monitor healing or administer additional treatments.
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The cost of craniectomy will vary based on standards of living and additional costs incurred, including laboratory testing, additional treatments, and postoperative medications. The cost of craniectomy ranges from $4,000 to $6,500.
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This procedure is very similar to craniotomy. Complications are possible with any surgical procedure, particularly with neurosurgeries as these are considered complex. Complications of craniectomy may include, but are not limited to:
Anemia is the most common complication of craniotomy and craniectomy, and can contribute to hemorrhage and postoperative mortality. Since all animals are evaluated for anesthetization prior to surgery, anesthetic death is considered rare.
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It is difficult to prevent some types of neurological conditions, particularly brain cancer and other types of conditions which are attributed to the aging process. Cats should not engage in activities that may result in trauma or injury to the skull or brain. Cats that have undergone craniectomy should not be bred, as some neurological conditions are genetic.
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