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Analysis of the sacroiliac joint vacuum phenomenon in paediatric patients

Sun-Kyoung You1, Hyo-Jin Lee1, Jeong-Eun Lee1

  • 11 Department of Radiology, Chungnam National University Hospital, Daejeon, South Korea.

The British Journal of Radiology
|September 8, 2016
PubMed

Insights

The sacroiliac joint vacuum phenomenon (SIJ VP) is common in children, found in 31.6% of patients. This finding is linked to older age but not sex or BMI in pediatric cases.

Area of Science:

  • Radiology
  • Orthopedics
  • Pediatric Imaging

Background:

  • The sacroiliac joint vacuum phenomenon (SIJ VP) is a known finding in adults, often associated with degenerative changes.
  • Its prevalence and clinical correlations in pediatric populations are less understood.

Purpose of the Study:

  • To determine the incidence of SIJ VP in pediatric patients.
  • To investigate the relationship between SIJ VP and clinical factors including age, sex, and body mass index (BMI).

Main Methods:

  • Retrospective review of 60 pediatric patients undergoing abdominopelvic CT (AP CT).
  • Patients categorized into SIJ VP and non-VP groups.
  • Comparison of demographic and clinical data between groups.

Main Results:

  • SIJ VP detected in 19 (31.6%) patients.
  • SIJ VP group was significantly older than the non-VP group (p < 0.001).
  • No significant association found between SIJ VP and sex (p = 0.781) or age-adjusted BMI (p = 0.326).

Conclusions:

  • SIJ VP is a relatively common finding in pediatric patients, with a prevalence comparable to adults.
  • Patient age is a significant factor associated with SIJ VP in children.
  • Sex and BMI were not found to be significant factors in pediatric SIJ VP.
Abstract

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