Reproducibility measuring the angle of proximal junctional kyphosis using the first or the second vertebra above the upper instrumented vertebrae in patients surgically treated for scoliosis

Spine
Cristina Sacramento-DomínguezGuillermo de la Barreda López

Abstract

A historical cohort study. To evaluate the reproducibility of this measure in proximal junctional kyphosis (PJK) and to determine whether differences exist between first and second vertebrae angles. There are no previous studies on the precision and accuracy of selecting the first or the second vertebra above the upper instrumented vertebrae to determine the degree of spinal angulation after surgery.In several studies, the first or the second vertebrae above the upper instrumented vertebrae (UIV) have been selected to measure the angle of PJK in a surgical setting. However, to our knowledge, no studies have addressed the reliability of this measure.We aimed to evaluate the reproducibility of this measure in PJK and to determine whether differences exist between first and second vertebrae angles. A total of 38 randomly ordered radiologic digital images were obtained at 2 different times from 19 consecutive patients (aged 18.4 +/- 6.0 years at intervention) surgically treated for scoliosis. Using these images in a blinded manner, 2 surgeons independently measured angles at both the first and second vertebrae above the UIV. The measures were repeated in different periods to test intra- and intersurgeon concordances. For 152 measur...Continue Reading

References

Jun 5, 2003·Clinical Orthopaedics and Related Research·Shu-Hua Yang, Po-Quang Chen
Nov 4, 2004·CNS Drugs·Aileen O'Brien

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Citations

Sep 5, 2014·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·Samuel K ChoYongjung J Kim
Apr 9, 2013·Neurosurgery Clinics of North America·Robert A HartRichard Hostin
Nov 3, 2015·The Spine Journal : Official Journal of the North American Spine Society·Bryce A BasquesJonathan N Grauer
Mar 21, 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·Feng-Yu LiuWen-Yuan Ding
Jun 10, 2016·Current Reviews in Musculoskeletal Medicine·Ngoc-Lam M NguyenRobert A Hart
Jun 25, 2016·Asian Spine Journal·Jaewon Lee, Ye-Soo Park
Mar 30, 2018·Clinical Spine Surgery : a Spine Publication·Amer SebaalyIbrahim Obeid
Apr 25, 2017·Clinical Spine Surgery : a Spine Publication·Yingsong WangKazuki Kawakami
Feb 26, 2020·Spine Deformity·Lucas PiantoniMariano A Noel

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