Reliability and accuracy of ultrasound measurements with and without the aid of previous radiographs in adolescent idiopathic scoliosis (AIS)

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Michelle YoungE Lou

Abstract

The objectives of this preliminary study were to assess the reliability and accuracy of ultrasound (US) for measuring coronal curvature with and without the aid of a previous radiograph, and to evaluate the ability of US to detect curve progression in adolescent idiopathic scoliosis (AIS) patients. Four raters measured 20 AIS US images twice at one-week intervals. Intra-rater reliability and correlation with radiograph were investigated with (rater 1) and without (raters 2-4) the aid of a previous radiograph. The center of lamina (COL) method was used to approximate the Cobb angle. Thirty-six curves were identified. All raters showed high intra-rater reliability (ICC[2,1] >0.80). With the aid of a previous radiograph, rater 1 showed higher correlation with radiograph (ICC[2,1] = 0.86), better standard error of measurement (SEM = 2.2°), and improved error index of selecting end-vertebrae (EI = 1.34), but no statistical improvement of intra-rater reliability (p > 0.05). For rater 2-4, the range of the ICC[2,1] values between US and radiograph measurements, the SEM value, and the range of the EI values were 0.70°-0.72°, 3.3°, and 1.65°-2.36°, respectively. Specificity and sensitivity of US for detecting curve progression were 0.91...Continue Reading

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Citations

Mar 10, 2016·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Wei ChenEdmond H M Lou
Apr 8, 2016·Computers in Biology and Medicine·Florian BertonCatherine Laporte
Apr 17, 2016·Ultrasound in Medicine & Biology·Qian WangMan-Sang Wong
Mar 3, 2017·IEEE Transactions on Medical Imaging· Guang-Quan Zhou Yong-Ping Zheng
Jan 13, 2018·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Rui ZhengEdmond Lou
Mar 11, 2018·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Mahdieh KhodaeiEdmond H M Lou
Jan 12, 2020·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Hui-Dong WuMan-Sang Wong
Aug 2, 2019·Medical & Biological Engineering & Computing·Quang N VoEdmond Lou
May 22, 2019·World Journal of Radiology·Mohamed R Nouh
Mar 3, 2017·Scoliosis and Spinal Disorders·Rob C BrinkRené M Castelein
Aug 11, 2017·Scoliosis and Spinal Disorders·Edmond H LouMarc Moreau
Dec 9, 2021·Médecine sciences : M/S·Arnaud BrignolCatherine Laporte

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