Microdose protocol stereoradiography has similar reliability to standard low-dose protocol during concurrent Sanders skeletal maturity staging.
Adolescent idiopathic scoliosis
Pediatric orthopaedics
Sanders skeletal maturity
Scoliosis
Stereoradiography
Journal
Spine deformity
ISSN: 2212-1358
Titre abrégé: Spine Deform
Pays: England
ID NLM: 101603979
Informations de publication
Date de publication:
09 2021
09 2021
Historique:
received:
22
09
2020
accepted:
01
03
2021
pubmed:
17
3
2021
medline:
20
11
2021
entrez:
16
3
2021
Statut:
ppublish
Résumé
Decreasing radiation exposure is important for scoliosis patients who require serial imaging. Microdose protocol stereoradiography is now increasingly utilized. Previous studies have reported similar reliability of concurrent Sanders skeletal maturity staging based on standard low-dose stereoradiography and standard hand radiographs. The purpose of our study was to investigate the reliability and radiation exposure of concurrent Sanders staging using microdose protocol compared to a standard protocol for adolescent idiopathic scoliosis. We hypothesized that surgeon-performed Sanders staging would have similar reliability when comparing microdose and standard-dose imaging protocols. A randomized survey of 30 hand images using standard protocol spinal stereoradiography and an equal number from microdose protocol were distributed to six experienced pediatric orthopaedic spine surgeons. Images were graded by each surgeon according to the Sanders skeletal maturity grading system. Items were again randomized and graded after a 2-week interval. Fleiss' weighted kappa for inter and intraobserver reliability was calculated and an unpaired t test was used to test for significance. Interobserver reliability for all modalities was in the strong to almost perfect agreement (average weighted κ > 0.8) range. For the microdose protocol, κ was 0.82 and 0.84 for each separate round of grading. Standard low-dose protocol κ was 0.83 and 0.79. Intraobserver κ was 0.86 for microdose and 0.82 for standard. Average radiation for microdose was significantly less radiation (82.6%) than standard stereoradiography (0.3 ± 0.1 mGy vs. 1.9 ± 0.4 mGy, p < 0.001). Sanders staging reliability of a well-positioned hand during scoliosis stereoradiography was similarly excellent for both microdose and standard low-dose protocol. Microdose protocol used less radiation while still preserving the reliability of Sanders staging.
Identifiants
pubmed: 33725327
doi: 10.1007/s43390-021-00324-4
pii: 10.1007/s43390-021-00324-4
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1333-1339Informations de copyright
© 2021. Scoliosis Research Society.
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