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انصهار العمود الفقري
انصهار العمود الفقري
What is Spinal Fusion?
Spinal Fusion is a surgical procedure to fix two vertebrae together. This permanently fuses two bones together and as a result there is no movement between these bones. Other surgical procedures such as laminectomy are usually done prior to a spinal fusion. A graft is used to join the bones permanently together. If the graft is taken from another body part, commonly from the pelvic bone, it is called an autograft. The graft may also be taken from a bone bank known as allograft. In rare cases, synthetic bone substitutes may also be used. Screws, plates or cages are used to join the vertebrae together so that the bones do not move when they are healing.
What are the Different Types of Spinal Fusion?
The different types of spinal fusion may be used in combination with one another. They are:
- Posterolateral Fusion
In this procedure the bone grafts are placed between the transverse processes of the spine. The vertebrae are joined with the help of screws and wires through the pedicles of the vertebra, which is attached to a metallic rod on the sides of the vertebrae. - Interbody Fusion
In this procedure the bone grafts are placed between the vertebra. There are three types of interbody fusion:- Anterior Lumbar Interbody Fusion (ALIF), in which the surgery is performed through an anterior abdominal incision.
- Posterior Lumbar Interbody Fusion (PLIF), in which the surgery is performed through a posterior incision
- Transforaminal Lumber Interbody Fusion (TLIF) in which the surgery is performed through a posterior incision on one side of the spine.
How is Spinal Fusion Performed?
During spinal fusion, the vertebrae are exposed through an incision. Tissue layers above the bone are put aside. Small parts of bone are then placed beside the vertebrae. A spinal fusion using an autograft is more successful than a spinal fusion performed with an allograft. However, an autograft may cause more stress on the surgery and blood loss.
Spinal instrumentation may also be received by some patients. Rods, wires and screws are attached to the spine. This is used to keep the vertebrae in place during the fusion. Alternatively, an external brace may be applied after the spinal fusion surgery.
Once the surgery is complete, a drainage tube is placed out of the incision area to drain out fluid for some days.
How to Prepare for Spinal Fusion?
- The patient should inform the doctor about any medical conditions and ailments.
- The doctor should be informed about any medication that the patient is taking.
- Certain medication that the patient is taking may be stopped by the doctor a couple of weeks before the surgery.
- The patient should stop smoking a couple of weeks before the surgery to enable a quick recovery.
- The doctor should be informed if the patient has been consuming alcohol.
Success Rate Studies indicate that the patient's pain is improved 60% to 70% after TLIF( transforaminal lumbar interbody fusion) spinal fusion surgery and approximately 80% of patients go through TLIF( transforaminal lumbar interbody fusion) spinal fusion surgery are satisfied with the surgical result.
How much time is required?
The procedure requires only 4 hours and the hospital stay is for about 4-6 days.
What type of anesthesia will be given?
General Anesthesia
How will patient recover?
- The drain tube is removed 24 to 72 hours after the surgery.
- Pain medication may be given in the form of pills or intravenous injections.
- The patient is taught how to move, sit, stand and walk in a proper without causing harm to the spine.
- The patient may need to be fed though an intravenous tube for 2 to 3 days.
- The patient may need to wear braces after the surgery.
- After the surgery, the patient may recover entirely or partially.
What should be cared?
- The patient may need to undergo physiotherapy after some days.
- Normal activities should be avoided for several weeks after the surgery.
- Strenuous activities should be avoided for 6 to 8 months after the surgery.
- The incision area should be kept dry and clean.
- For the scar to heal, the incision area should be protected from sunburn for a year after the surgery.
General Anesthesia
How will patient recover?
- The drain tube is removed 24 to 72 hours after the surgery.
- Pain medication may be given in the form of pills or intravenous injections.
- The patient is taught how to move, sit, stand and walk in a proper without causing harm to the spine.
- The patient may need to be fed though an intravenous tube for 2 to 3 days.
- The patient may need to wear braces after the surgery.
- After the surgery, the patient may recover entirely or partially.
What should be cared?
- The patient may need to undergo physiotherapy after some days.
- Normal activities should be avoided for several weeks after the surgery.
- Strenuous activities should be avoided for 6 to 8 months after the surgery.
- The incision area should be kept dry and clean.
- For the scar to heal, the incision area should be protected from sunburn for a year after the surgery.
