Kyphoplasty for Multiple Compression Fractures: Treating Cascading Spinal Fractures

Kyphoplasty for Multiple Compression Fractures: Treating Cascading Spinal Fractures

Vertebral compression fractures (VCFs) are among the most common complications of severe osteoporosis, bone density loss, or metastatic spinal disease. When a weakened vertebra collapses under everyday mechanical stress, it causes severe localized back pain and alters the structural balance of the entire spine.

Left untreated, a single compression fracture increases pressure on adjacent vertebrae, frequently leading to a chain reaction of cascading spinal fractures.

The Domino Effect of Cascading Fractures

When a vertebral body collapses—typically along its front edge—it creates a wedge-shaped bone deformity. This causes the spine to curve forward, a condition known as kyphosis (or “dowager’s hump”).

This forward pitch shifts the body’s center of gravity forward, placing excessive mechanical load on the vertebrae directly above and below the injured segment. Bone weakened by osteoporosis often succumbs to this increased pressure, triggering additional fractures in adjacent vertebrae.

As multiple fractures accumulate, patients experience progressive height loss, severe chronic pain, restricted lung expansion, and reduced mobility.

Treating Compression Fractures with Kyphoplasty

Balloon Kyphoplasty is a minimally invasive procedure designed to stabilize compression fractures, restore lost vertebral height, and correct kyphotic deformity before cascading fractures develop.

How Kyphoplasty Is Performed

1. Access: Guided by real-time fluoroscopic imaging, a spine specialist inserts a tiny tube through a small incision in the back into the fractured vertebra.
2. Balloon Inflation: A small, specialized orthopaedic balloon is guided into the collapsed bone and carefully inflated. This expands the compressed bone, restoring lost height and creating a defined cavity.
3. Bone Cement Stabilization: The balloon is deflated and removed, leaving a low-pressure space. Medical-grade bone cement (polymethylmethacrylate) is injected directly into the cavity, quickly hardening to create an internal support matrix within minutes.

Key Benefits of Early Intervention

By stabilizing the bone and restoring normal alignment, kyphoplasty achieves several clinical goals:

• Immediate, significant reduction in focal back pain.
• Restoration of vertebral body height and correction of spinal curvature.
• Stabilization of the fractured bone, helping to prevent adjacent segment strain and reduce the risk of cascading fractures.

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