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Posterior acetabular wall fractures: a technique for screw placement
1Department of Orthopedic Surgery, National Naval Medical Center, Bethesda, Maryland.
Journal of Orthopaedic Trauma
|January 1, 1991
Summary
Surgeons must carefully place screws during acetabular fracture repair to prevent hip joint penetration. Preoperative CT scans and precise screw alignment in the coronal plane are key to avoiding this complication.
Area of Science:
- Orthopedic Surgery
- Surgical Anatomy
- Radiology
Background:
- Posterior acetabular wall fractures are common injuries.
- Open reduction and internal fixation (ORIF) is a standard treatment.
- Intraarticular screw penetration is a significant surgical risk.
Purpose of the Study:
- To outline a method for safe screw placement.
- To prevent intraarticular penetration during acetabular fracture fixation.
- To improve surgical outcomes for posterior acetabular wall fractures.
Main Methods:
- Analysis of preoperative computed tomography (CT) scans.
- Utilizing a secure reference plane for patient positioning.
- Placing screws perpendicular to the body's long axis in the coronal plane.
Main Results:
- The described technique aims to minimize the risk of intraarticular screw penetration.
- Accurate preoperative planning and intraoperative technique are crucial.
- Successful screw placement avoids iatrogenic joint damage.
Conclusions:
- Careful preoperative planning with CT scans is essential.
- Precise operative positioning and screw trajectory are vital.
- This approach helps ensure safe and effective fixation of posterior acetabular wall fractures.