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Revision THA with Acetabular Bone Defect

Reconstruction of complex acetabular bone loss with augments, cages and custom triflange in revision hip arthroplasty.

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Ortopedi ve Travmatoloji department. Book Appointment →

What is Revision THA with Acetabular Bone Defect?

Acetabular bone defects in revision total hip arthroplasty (THA) result from osteolysis, infection, periprosthetic fracture and loosening; the Paprosky classification (I, IIA-C, IIIA-B) guides reconstructive strategy.

Reconstruction options include hemispherical jumbo cups with screws for contained defects, modular trabecular metal (tantalum) augments, structural allograft, antiprotrusio cages with cemented liners and patient-specific custom triflange components for severe pelvic discontinuity.

Surgical success depends on accurate preoperative templating, intraoperative defect assessment, restoration of hip center, secure ingrowth fixation, dual-mobility or constrained liner choice when stability is at risk and structured rehabilitation in high-volume centers.

Symptoms

Pain and limp after primary hip replacement
Recurrent dislocation
Leg-length discrepancy
Periprosthetic infection signs
Radiographic loosening or osteolysis
Cup migration on serial imaging
Pelvic discontinuity on CT

Risk Factors

Long duration since primary THA
Polyethylene wear and osteolysis
Periprosthetic infection
Periprosthetic fracture
Multiple prior revisions
Severe osteoporosis
Pelvic radiation history

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Persistent groin or thigh pain after THA
  • New onset hip instability
  • Radiographic loosening or osteolysis
  • Suspected periprosthetic infection
  • Need for revision surgery planning
  • Severe pelvic bone loss on CT
  • Postoperative dislocation, infection or fracture

Treatment Methods

01
Comprehensive evaluation including CT and infection workup
02
Paprosky classification of acetabular defect
03
Hemispherical jumbo cup with screws for contained defects
04
Trabecular metal augments for segmental defects
05
Antiprotrusio cage with cemented liner for pelvic discontinuity
06
Patient-specific custom triflange in severe defects
07
Dual-mobility or constrained liner for instability and structured rehabilitation

Which Department to Visit?

You can visit our Ortopedi ve Travmatoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Ortopedi ve Travmatoloji Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.