Do Safe Radiographic Sacral Screw Pathways Exist in a Pediatric Patient Population and Do They Change With Age?

Journal of Orthopaedic Trauma
Matthew BurnManickam Kumaravel

Abstract

Iliosacral screw pathways in the first (S1) and second (S2) sacral segments are commonly used for adult pelvic ring stabilization. We hypothesize that radiographically "safe" pathways exist in pediatric patients. Academic level I Trauma Center. All patients between ages 2 and 16 years with a computed tomography scan including the pelvis obtained over a 6-week period (174 children, mean age 10.8 ± 3.9 years; 90 boys, 84 girls). The width and height at the "constriction point" in 3 safe screw pathways were measured bilaterally by 3 orthopaedists (resident, trauma fellow, trauma attending). Pathways corresponding to: (1) an "iliosacral" screw at S1, a "trans-sacral trans-iliac" (TSTI) screw at S1, and a TSTI screw at S2. (1) Mean width and height of pathways, (2) interrater reliability coefficient, (3) availability of pathways greater than 7 mm, (4) growth of pathways with age, (5) sacral morphology. The interrater reliability coefficient was above 0.917 for all measurements. Radiographically safe pathways were available for 99%, 51%, and 89% of children for iliosacral screws at S1 (width 16.4 ± 2.8 mm, height 15.1 ± 3.3 mm), TSTI screws at S1 (width 7.2 ± 4.9 mm, height 8.3 ± 5.6 mm), and TSTI at S2 (width 9.3 ± 2.2 mm, height 11...Continue Reading

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Citations

Sep 11, 2017·Strategies in Trauma and Limb Reconstruction·Walid A ElnahalMehool Acharya
Jul 6, 2018·Journal of Pediatric Orthopedics·Kathleen D RickertEric W Edmonds
Jun 5, 2016·Journal of Pediatric Orthopedics·John A ScolaroMilton L Chip Routt
May 17, 2021·Journal of Orthopaedic Trauma·Benjamin F WatzigScott S Yang

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