Ilium Fracture Repair in Dogs and Cats: Pet Parent Guide

Fractures of the ilium—one of the major bones of the pelvis—are most often caused by high-impact trauma, such as being hit by a car or falling from a height. Because these injuries usually occur along with other pelvic or internal injuries, they require careful evaluation and often specialized orthopedic surgery to restore comfort, mobility, and normal pelvic alignment.

The ilium plays a key role in supporting your pet’s body weight and forming the structure of the pelvic canal. When it fractures and shifts out of place, it can make walking painful and may narrow the space inside the pelvis, which can cause long-term problems if not corrected.

Why Surgery Is Often Needed

Many ilium fractures cause the back portion of the pelvis to shift toward the inside, making the pelvic canal smaller. If left untreated, this can lead to:

• Difficulty passing stool

• Pain when walking or sitting

• Long-term mobility problems

• Improper healing or pelvic deformity

Surgical repair allows the bones to be realigned and stabilized, restoring normal pelvic shape and helping your pet return to a comfortable, active life.

How Ilium Fracture Repair Works

Surgery is usually performed within the first few days after injury, once your pet is stable. The goal is to realign the bone and secure it so it heals correctly.

What happens during surgery?

1. Accessing the fracture:
   The surgeon approaches the side of the pelvis to reach the broken bone.

2. Realigning the ilium:
   Specialized tools gently move the displaced bone back into its normal position, widening the pelvic canal if it has been compressed.

3. Stabilizing the fracture:
   A strong metal plate and screws are attached to the bone to hold it firmly in place as it heals.
   In small pets or certain fracture shapes, pins and wire may be used instead.

4. Addressing other injuries:
   Because pelvic trauma is often complex, the surgeon may also evaluate or repair the hip joint, sacroiliac joint, or surrounding bones if needed.

Recovery and Home Care

Your pet will need strict rest and controlled activity after surgery to allow the pelvis to heal properly.

What to expect at home:

• Confinement to a crate or small room for 6–10 weeks

• Short, leash-only bathroom breaks

• No running, stairs, or jumping

• A cone (Elizabethan collar) to prevent licking the incision

• Twice-daily checks of the incision for redness, swelling, discharge, or odor

Follow-up X-rays are usually taken at 6 weeks to check healing progress.

Most pets regain excellent comfort and mobility once the bone has healed, and implants usually remain in place for life.

FAQs

1. Will my pet walk normally again?

Most pets regain very good function once healing is complete. Temporary limping is expected during the early recovery period.

2. Is pelvic surgery painful?

Pain is managed with modern medications, and most pets are noticeably more comfortable just a few days after surgery.

3. Can an ilium fracture heal without surgery?

Some minimally displaced fractures may, but many ilium fractures cause narrowing of the pelvic canal and require surgery to prevent long-term problems.

4. Will the metal plate need to be removed?

Usually not. Plates and screws stay in permanently unless they cause irritation, which is uncommon.

5. How long does healing take?

Pelvic fractures typically take 6–10 weeks to heal.

6. What signs mean I should call the vet?

Contact your veterinarian if you see:

• Swelling or discharge at the incision

• Sudden worsening of lameness

• Loss of appetite, vomiting, or unusual lethargy

7. Is this surgery safe?

While all surgeries involve risks, ilium fracture repair has a high success rate when performed by an experienced orthopedic surgeon.