Related Experiment Video
Updated: Aug 26, 2025
11:30
Multilevel Oblique Lumbar Interbody Fusion in Degenerative Lumbar Disc Disease with Instability
Published on: July 25, 2025
486
Sacroiliac Joint Fusion-A Shift Toward Variant Anatomy and Clinical Implications
Jeffrey E Wessell1, Brian F Saway1, Laura Wolgamott1
1Department of Neurological Surgery, Medical University of South Carolina, Charleston, South Carolina, USA.
World Neurosurgery
|October 6, 2022
Summary
Sacroiliac joint (SIJ) fusion outcomes are influenced by patient factors and joint anatomy. Variant SIJ anatomy is more common in females and younger patients, potentially affecting surgical results.
Area of Science:
- Orthopedic surgery
- Anatomy
- Pain management
Background:
- Sacroiliac joint (SIJ) dysfunction affects many patients refractory to conservative treatment.
- Understanding factors influencing SIJ fusion outcomes is crucial for surgical planning and patient care.
Purpose of the Study:
- To investigate the impact of patient factors and sacroiliac joint (SIJ) anatomical structure on SIJ fusion outcomes.
- To assess the relationship between SIJ anatomy and surgical success.
Main Methods:
- Retrospective observational study of 77 patients undergoing SIJ fusion.
- Analysis of preoperative imaging for SIJ anatomical subtypes.
- Statistical assessment of patient sociodemographics and pain improvement.
Main Results:
- Significant differences in SIJ anatomy observed between sexes and age groups.
- Younger patients (53.9 years) more frequently exhibited bipartite/dysmorphic anatomy compared to normal anatomy (70 years).
- A trend suggests better outcomes with bipartite/dysmorphic and accessory variants, and worse outcomes with semicircular defect and crescent variants.
Conclusions:
- Pathological SIJ demonstrates a higher prevalence of variant anatomy.
- SIJ surgical outcomes may be influenced by joint anatomy.
- Larger studies are needed to confirm these findings.
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