Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections

Sagittal parameters of the spine are closely related to the evaluation and treatment of spine disease. However, there has been little research on variations in preoperative sagittal spinal alignment. This study was conducted to assess the variation in sagittal spinal alignment on serial antero-poste...

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Autores principales:	Hunjong Lim, Eugene Lee, Joon-Woo Lee, Bo-Ram Kim, Yusuhn Kang, Joong-Mo Ahn
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	EOS low back pain radiographic parameters serial imaging sagittal spinal alignment Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/b2f9a95fb16b46319d8420e339b25cee
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spelling	oai:doaj.org-article:b2f9a95fb16b46319d8420e339b25cee2021-11-25T17:21:58ZVariation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections10.3390/diagnostics111121412075-4418https://doaj.org/article/b2f9a95fb16b46319d8420e339b25cee2021-11-01T00:00:00Zhttps://www.mdpi.com/2075-4418/11/11/2141https://doaj.org/toc/2075-4418Sagittal parameters of the spine are closely related to the evaluation and treatment of spine disease. However, there has been little research on variations in preoperative sagittal spinal alignment. This study was conducted to assess the variation in sagittal spinal alignment on serial antero-posterior and latero-lateral projections (EOS imaging) in adult patients before spine surgery. The sagittal parameters of 66 patients were collected from two serial images. Comparison between the first and second sagittal parameters was evaluated using the Wilcoxon signed-rank test. Subgroup analysis was performed based on the time interval between radiographs, patient’s age, and type of surgery. The sagittal vertical axis (SVA) exhibited statistically significant changes (<i>p</i> = 0.023), with the mean SVA increasing statistically (61.7 mm vs. 73.6 mm) and standard deviation increasing (51.5 mm vs. 61.6 mm) in the second image. Subgroup analysis showed significant differences in SVA (<i>p</i> = 0.034) in patients with an interval of >3 months; statistical differences in borderline levels in the SVA (<i>p</i> = 0.049) were observed in patients aged >65 years. Other parameters did not show statistically significant differences, except for SVA. Furthermore, SVA differences were statistically significant with increases in the EOS interval (>3 months) and patient age (>65 years).Hunjong LimEugene LeeJoon-Woo LeeBo-Ram KimYusuhn KangJoong-Mo AhnMDPI AGarticleEOSlow back painradiographic parametersserial imagingsagittal spinal alignmentMedicine (General)R5-920ENDiagnostics, Vol 11, Iss 2141, p 2141 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	EOS low back pain radiographic parameters serial imaging sagittal spinal alignment Medicine (General) R5-920
spellingShingle	EOS low back pain radiographic parameters serial imaging sagittal spinal alignment Medicine (General) R5-920 Hunjong Lim Eugene Lee Joon-Woo Lee Bo-Ram Kim Yusuhn Kang Joong-Mo Ahn Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections
description	Sagittal parameters of the spine are closely related to the evaluation and treatment of spine disease. However, there has been little research on variations in preoperative sagittal spinal alignment. This study was conducted to assess the variation in sagittal spinal alignment on serial antero-posterior and latero-lateral projections (EOS imaging) in adult patients before spine surgery. The sagittal parameters of 66 patients were collected from two serial images. Comparison between the first and second sagittal parameters was evaluated using the Wilcoxon signed-rank test. Subgroup analysis was performed based on the time interval between radiographs, patient’s age, and type of surgery. The sagittal vertical axis (SVA) exhibited statistically significant changes (<i>p</i> = 0.023), with the mean SVA increasing statistically (61.7 mm vs. 73.6 mm) and standard deviation increasing (51.5 mm vs. 61.6 mm) in the second image. Subgroup analysis showed significant differences in SVA (<i>p</i> = 0.034) in patients with an interval of >3 months; statistical differences in borderline levels in the SVA (<i>p</i> = 0.049) were observed in patients aged >65 years. Other parameters did not show statistically significant differences, except for SVA. Furthermore, SVA differences were statistically significant with increases in the EOS interval (>3 months) and patient age (>65 years).
format	article
author	Hunjong Lim Eugene Lee Joon-Woo Lee Bo-Ram Kim Yusuhn Kang Joong-Mo Ahn
author_facet	Hunjong Lim Eugene Lee Joon-Woo Lee Bo-Ram Kim Yusuhn Kang Joong-Mo Ahn
author_sort	Hunjong Lim
title	Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections
title_short	Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections
title_full	Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections
title_fullStr	Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections
title_full_unstemmed	Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections
title_sort	variation in sagittal alignment parameters in adult patients before spine surgery: a serial imaging study using antero-posterior and latero-lateral projections
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b2f9a95fb16b46319d8420e339b25cee
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Variation in Sagittal Alignment Parameters in Adult Patients before Spine Surgery: A Serial Imaging Study Using Antero-Posterior and Latero-Lateral Projections

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