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Bones of the Lower Limb: Femur and Patella01:16

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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Periprosthetic Fractures Around the Acetabulum.

Sahil Batra1, Rajesh Malhotra2

  • 1Department of Orthopaedics, All India Institute of Medical Sciences (AIIMS), New Delhi, 110029 India.

Indian Journal of Orthopaedics
|August 25, 2025
PubMed
Summary
This summary is machine-generated.

Peri-prosthetic acetabular fractures, a rare complication of total hip arthroplasty (THA), require tailored management based on fracture displacement and implant stability. Surgical intervention is often necessary for displaced fractures to ensure optimal patient outcomes.

Keywords:
AcetabulumFracturePeriprostheticTotal hip arthroplasty

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Area of Science:

  • Orthopedic Surgery
  • Arthroplasty
  • Trauma Surgery

Background:

  • Peri-prosthetic acetabular fractures are infrequent yet significant complications following total hip arthroplasty (THA).
  • These fractures often occur during revision THA and are associated with poor bone quality, prior implant characteristics, and biomechanical stress.
  • Fracture classification and management depend on intraoperative versus postoperative occurrence and prosthesis stability.

Purpose of the Study:

  • To review the classification and management strategies for peri-prosthetic acetabular fractures.
  • To highlight the impact of modern reconstructive techniques on surgical outcomes.
  • To discuss potential complications associated with these fractures.

Main Methods:

  • Review of existing literature on peri-prosthetic acetabular fractures.
  • Analysis of classification systems and treatment algorithms.
  • Discussion of surgical techniques, including open reduction and internal fixation (ORIF) and implant revision.

Main Results:

  • Management strategies vary based on fracture characteristics (displacement, stability) and timing (intraoperative vs. postoperative).
  • Undisplaced fractures may be treated non-operatively, while displaced fractures typically necessitate surgical intervention.
  • Modern implants, such as porous-coated cups, and advanced reconstruction techniques have improved treatment efficacy.

Conclusions:

  • Peri-prosthetic acetabular fractures present unique challenges in THA, particularly during revision surgery.
  • Effective management requires careful fracture assessment and selection of appropriate surgical or conservative strategies.
  • While outcomes have improved with modern techniques, potential complications like non-union, loosening, infection, and dislocation must be considered.