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Lumbar Disc Replacement Surgery

Lumbar Disc Replacement Surgery - What it is

Overview

Lumbar Spine

The lumbar spine consists of 5 bones called lumbar vertebrae

  • Each lumbar vertebra is formed by a round block of bone, called a vertebral body, and a bony arch attached to the back of each vertebral body
  • The bone arch has two parts: two pedicle bones and two lamina bones
  • When the vertebrae are stacked on top of each other, they form a hollow tube that surrounds the spinal cord and nerves. The laminae provide a protective roof over these
  • Lumbar Spine
  • An intervertebral disc sits between each pair of vertebrae. It is like a cushion enclosed by a thick capsule, and works as a shock absorber. The centre is spongy
  • Due to wear and tear over the years, the disc degenerates and herniates backwards into the spinal canal, compressing nerves and putting stress on the adjacent facet joints
  • Degeneration also causes bone spurs to develop. When these spurs press into the spinal canal, they may compress the nerves
Lumbar Disc Replacement
  • An artificial disc replacement (ADR) is a mechanical device or implant used to replace a diseased or damaged intervertebral disc
  • This guide will help you understand the problem, treatment options, nature of operation and possible complications of surgical treatment
  • The goal of surgery is to replace the diseased or damaged disc while preserving your normal spine mobility
  • After removing the affected disc, the ADR is inserted in the empty disc space
  • Artificial disc replacement mimics some functions of a healthy disc and may also prevent premature breakdown of adjacent lumbar discs
  • It also opens up the space around the spinal nerve roots where they pass through the neural foramina
  • ADR also protects the spine during strenuous activities that put strong force on the spine, such as jumping, running, and lifting

Types of Lumbar Disc

  • The lumbar artificial disc has several different designs. They are made of metal, ceramic, and plastic. Your surgeon will decide which type is suitable
  • ADR does not interfere with magnetic resonance imaging (MRI) or metal detectors

 Lumbar Disc Replacement Surgery

  • Your surgeon will decide if you are a suitable candidate for lumbar artificial disc replacement
  • Certain factors put you at increased risk for problems during or after the operation. It is best to reduce or eliminate as many of these risk factors as possible. For example, the use of alcohol or other drugs (including tobacco)
  • To ensure that you are in the best medical condition prior to the surgery you may require to be examined by an anesthesiologist who will evaluate and counsel you regarding anesthesia

Lumbar Disc Replacement Surgery - Symptoms

Lumbar Disc Replacement Surgery - How to prevent?

Lumbar Disc Replacement Surgery - Causes and Risk Factors

Lumbar Disc Replacement Surgery - Diagnosis

Lumbar Disc Replacement Surgery - Treatments

Lumbar Disc Replacement Surgery - Other Information

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