eMedicine Specialties > Orthopedic Surgery > Hip

Acetabulum Fractures: Follow-up

Author: Mihir M Thacker, MBBS, MS(Orth), DNB(Orth), FCPS(Orth), D'Ortho, Assistant Professor of Orthopedic Surgery and Pediatrics, Thomas Jefferson University; Consulting Staff, Department of Pediatric Orthopedic Surgery, Alfred I duPont Hospital for Children; Orthopedic Oncologist, Helen F Graham Cancer Center and Christiana Care Health Services
Coauthor(s): Nirmal Tejwani, MD, MPA, Associate Professor of Orthopedic Surgery, New York University Hospital for Joint Diseases; Chief of Orthopedic Trauma, Bellevue Hospital; Chandrashekhar Thakkar, MBBS, Professor of Orthopedics, Lokmanya tilak Municipal Medical College, University of Mumbai, India
Contributor Information and Disclosures

Updated: Jul 8, 2009

Outcome and Prognosis

Factors in the injury pattern affecting prognosis include the following:

  • Force of energy - High- versus low-energy trauma
  • Location - Instability allowed with superior roof, posterior wall, and column fractures
  • Degree of articular comminution of both the acetabulum and the femoral head
  • Degree of initial displacement
  • Associated injuries

Treatment factors affecting the prognosis are the quality of the reduction, which ideally restores congruity, and the quality of fixation, which ideally restores stability.

The prognosis can also be affected by complications such as the following:

  • Avascular necrosis
  • Metal in the joint
  • Chondrolysis
  • Sepsis
  • Heterotopic ossification
  • Neurovascular injury

Studies have confirmed the positive association between the accuracy of reduction and a better long-term result.8,60 However, many series have shown that, even when these goals are achieved, posttraumatic arthritis still occurs in up to 30% of patients.6,8,61,62,63 Contributing factors may include an imperfect reduction, osteochondral defects in either the acetabulum or the femoral head, chondrolysis due to articular trauma at the time of injury, and AVN of the femoral head or the acetabulum. Once symptomatic posttraumatic arthritis has developed, options for salvage generally are limited to total hip arthroplasty and arthrodesis.

Future and Controversies

Technique development

As techniques continue to develop and improve, imaging is being used more and more in the treatment of acetabular fractures. Brown et al have reported the use of computer-generated 3-D CT moving images for preoperative planning and screw/pin insertion and use of stereolithography (wax or plastic 3-D model of bony anatomy) to develop a computer-generated "clip on" interpositioning template for accurate placement of plate and screws. These new technologies provide the surgeon with precise information about the fracture patterns and allow effective preoperative planning and accurate fixation of acetabular fractures.64  Citak et al have reported on virtual 3-D planning of acetabular fracture reduction.65

Prophylaxis controversies

The best modality of preoperative DVT prophylaxis remains controversial; multiple options are available, but the current trend is to use sequential compression devices for prophylaxis in the preoperative period.

Similarly, the best form of prophylaxis against heterotopic ossification remains controversial; however, indomethacin appears to be used most frequently at present.

 


More on Acetabulum Fractures

Overview: Acetabulum Fractures
Workup: Acetabulum Fractures
Treatment: Acetabulum Fractures
Follow-up: Acetabulum Fractures
Multimedia: Acetabulum Fractures
References
Further Reading

References

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Keywords

acetabulum fractures, acetabulum trauma, acetabular trauma, femur trauma, femoral trauma, fractures of the hip socket, intra-articular fractures of the hip, hip fracture, broken hip, hip pain, Arbeitsgemeinschaft für osteosynthesefragen–Association for the Study of Internal Fixation, AO-ASIF, femoral head fractures, femoral neck fractures, intertrochanteric fractures, trochanteric fractures, subtrochanteric fractures, hip joint, iliofemoral ligament, pubofemoral ligament, ischiofemoral ligament, intracapsular fracture, extracapsular fracture, anterior dislocation, posterior dislocation, single fragment fracture, comminuted fracture, stress fracture, incomplete fracture, impacted fracture, partially displaced fracture, completely displaced fracture, single fracture lines,multiple fracture lines, nondisplaced fracture

Contributor Information and Disclosures

Author

Mihir M Thacker, MBBS, MS(Orth), DNB(Orth), FCPS(Orth), D'Ortho, Assistant Professor of Orthopedic Surgery and Pediatrics, Thomas Jefferson University; Consulting Staff, Department of Pediatric Orthopedic Surgery, Alfred I duPont Hospital for Children; Orthopedic Oncologist, Helen F Graham Cancer Center and Christiana Care Health Services
Mihir M Thacker, MBBS, MS(Orth), DNB(Orth), FCPS(Orth), D'Ortho is a member of the following medical societies: Children's Oncology Group, Limb Lengthening and Reconstruction Society ASAMI-North America, Medical Council of India, and Musculoskeletal Tumor Society
Disclosure: Nothing to disclose.

Coauthor(s)

Nirmal Tejwani, MD, MPA, Associate Professor of Orthopedic Surgery, New York University Hospital for Joint Diseases; Chief of Orthopedic Trauma, Bellevue Hospital
Nirmal Tejwani, MD, MPA is a member of the following medical societies: AO Foundation and Orthopaedic Trauma Association
Disclosure: Stryker Honoraria Speaking and teaching; Zimmer Honoraria Speaking and teaching

Chandrashekhar Thakkar, MBBS, Professor of Orthopedics, Lokmanya tilak Municipal Medical College, University of Mumbai, India
Chandrashekhar Thakkar, MBBS is a member of the following medical societies: American Academy of Orthopaedic Surgeons, American Orthopaedic Association, AO Foundation, Orthopaedic Research Society, Orthopaedic Trauma Association, Orthopaedics Overseas, and Trauma Association of Canada
Disclosure: Nothing to disclose.

Medical Editor

B Sonny Bal, MD, Associate Professor, Department of Orthopedic Surgery, University of Missouri School of Medicine
B Sonny Bal, MD is a member of the following medical societies: American Academy of Orthopaedic Surgeons
Disclosure: Nothing to disclose.

Pharmacy Editor

Francisco Talavera, PharmD, PhD, Senior Pharmacy Editor, eMedicine
Disclosure: eMedicine Salary Employment

Managing Editor

James J McCarthy, MD, FAAOS, FAAP, Associate Professor, Consulting Orthopedic Surgeon, Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health;
James J McCarthy, MD, FAAOS, FAAP is a member of the following medical societies: Alpha Omega Alpha, American Academy for Cerebral Palsy and Developmental Medicine, American Academy of Orthopaedic Surgeons, American Academy of Pediatrics, American Orthopaedic Association, Limb Lengthening and Reconstruction Society ASAMI-North America, Orthopaedics Overseas, Pediatric Orthopaedic Society of North America, Pennsylvania Medical Society, Pennsylvania Orthopaedic Society, and Philadelphia County Medical Society
Disclosure: Nothing to disclose.

CME Editor

Dinesh Patel, MD, FACS, Associate Clinical Professor of Orthopedic Surgery, Harvard Medical School; Chief of Arthroscopic Surgery, Department of Orthopedic Surgery, Massachusetts General Hospital
Dinesh Patel, MD, FACS is a member of the following medical societies: American Academy of Orthopaedic Surgeons, American Association of Physicians of Indian Origin, American College of International Physicians, and American College of Surgeons
Disclosure: Nothing to disclose.

Chief Editor

William L Jaffe, MD, Clinical Professor of Orthopedic Surgery, New York University School of Medicine; Vice Chairman, Department of Orthopedic Surgery, New York University Hospital for Joint Diseases
William L Jaffe, MD is a member of the following medical societies: American Academy of Orthopaedic Surgeons, American College of Surgeons, American Orthopaedic Association, Eastern Orthopaedic Association, and New York Academy of Medicine
Disclosure: Stryker Orthopaedics Consulting fee Speaking and teaching

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