Analysis of lateral atlantodental interval asymmetry within the pediatric age group: normative values.
J Neurosurg Pediatr. 2018 Could 18;:1-6
Authors: Mendenhall SK, Huh A, Pandya J, Alentado V, Balsara Okay, Ho C, Jea A
OBJECTIVE The revelation of normative radiographic measurements for the creating pediatric backbone is incomplete. The aim of this evaluation was to find out the traditional vary of asymmetry of the lateral atlantodental interval (LADI) and outline age- and sex-related variations. METHODS A complete of 3072 kids aged Zero-18 years who underwent CT scanning of the cervical backbone had been recognized at Riley Hospital for Kids between 2005 and 2017. Sufferers had been stratified by intercourse and age (in years) into 36 cohorts. Following this stratification, sufferers inside every group had been randomly chosen for inclusion till 15 sufferers in every group had been measured (quota sampling). A complete of 540 sufferers had been included for examine. Proper and left linear measurements had been carried out within the CT axial airplane on the C-1 midlateral mass degree. RESULTS The general imply distinction between the correct and left LADI was Zero.09 ± 1.23 mm (vary -6.05 to four.87 mm). The magnitude of this asymmetry remained statistically insignificant throughout age teams (p = Zero.278) and intercourse (p = Zero.889). The intraclass correlation coefficient was Zero.805 (95% CI Zero.779-Zero.829). CONCLUSIONS Asymmetry of the LADI will not be uncommon in asymptomatic kids. There isn’t any considerable distinction in magnitude of this asymmetry throughout age ranges and intercourse. Measurement of LADI asymmetry reveals “good” reliability and is straightforward to carry out. Pediatric neurosurgeons, emergency division physicians, and radiologists ought to concentrate on normative values of asymmetry when decoding CT scans of the cervical backbone. This will stop pointless additional workup with dynamic CT or MRI.
PMID: 29775132 [PubMed – as supplied by publisher]