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What is Iliopsoas Tendon Lengthening?

Iliopsoas tendon lengthening is a procedure that involves the excision or cutting of the iliopsoas tendon in the hip to reduce pain and improve range of motion. The iliopsoas is the hip flexor tendon located over the front of the hip socket.

What are the Indications for Iliopsoas Tendon Lengthening?

Possible conditions that may require iliopsoas tendon lengthening include:

  • Iliopsoas tendinitis
  • Snapping hip syndrome
  • Hip labral pathology triggering iliopsoas impingement
  • Iliopsoas-related hip pain

Signs and symptoms that the iliopsoas tendon may be the source of your hip pain include consistent and reproducible painful clunking or clicking in the groin region. 

Surgery is indicated when conservative management fails to provide any relief. The aim of the surgery is to release the tendon to resolve the snapping. Both open and endoscopic surgical options are employed as a treatment for iliopsoas impingement.

Diagnostic Tests for Iliopsoas Tendon Lengthening

To determine the need for surgical release of the iliopsoas tendon, your doctor will review your symptoms and medical history, perform a physical examination, and order certain diagnostic tests.

Physical examination will include evaluation of passive and active range of motion of the hip as well as resisted hip movements.

Surgical Procedure for Iliopsoas Tendon Lengthening

Iliopsoas tendon lengthening is performed arthroscopically or through open surgery.

Your surgeon will decide which approach is the best for your condition.

The surgery is performed under sedation and spinal anesthesia with you lying on your back on the operating table.  Once the site is prepared, your surgeon will make a few small incisions over the operative area and insert the arthroscope and tiny medical instruments through the small openings.  Signs of iliopsoas injury and any pathology is assessed. Excision or cutting of the iliopsoas tendon will be performed. Reshaping of bone may also be done based on the extent of damage. The leg will be moved in various directions to check for a satisfactory range of motion. The instruments are removed and the surgical incisions closed with absorbable sutures.

Postoperative Care for Iliopsoas Tendon Lengthening

Following surgery, patients normally stay for 24 hours to receive intravenous antibiotics. You may have to stay 1 to 2 days or longer in the hospital depending on your condition.

The following precautions should be followed for the best outcome:

  • Use of assistive devices such as crutches until normal gait and muscle function is accomplished
  • Perform active assistive range of motion exercises
  • Limit weight-bearing activities to allow proper healing
  • Gradually include muscle strengthening exercises based on tolerance
  • Avoid exercises that engage the iliopsoas for several weeks post-surgery