Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads

Abstract Background Studies explaining the relationship between hip and spine reported that spinal corrective surgery affected acetabular orientation and changes in pelvic tilt were capable of influencing radiographic measures of acetabular coverage. This study aimed to assess the change in coronal...

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Autores principales:	Qiang Luo, Yong-Chan Kim, Ki-Tack Kim, Kee-Yong Ha, Young-Soo Chun, Joonghyun Ahn, Sung-Min Kim, Kyeonguk Min
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Adult spinal deformity Tönnis angle Lateral center edge angle Angle of sharp Pelvic tilt Diseases of the musculoskeletal system RC925-935
Acceso en línea:	https://doaj.org/article/68e895b5717c4e11bd7c2ab576d8f1fc
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spelling	oai:doaj.org-article:68e895b5717c4e11bd7c2ab576d8f1fc2021-11-28T12:24:42ZSurgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads10.1186/s12891-021-04827-z1471-2474https://doaj.org/article/68e895b5717c4e11bd7c2ab576d8f1fc2021-11-01T00:00:00Zhttps://doi.org/10.1186/s12891-021-04827-zhttps://doaj.org/toc/1471-2474Abstract Background Studies explaining the relationship between hip and spine reported that spinal corrective surgery affected acetabular orientation and changes in pelvic tilt were capable of influencing radiographic measures of acetabular coverage. This study aimed to assess the change in coronal parameters for acetabular coverage as a result of adult spinal deformity (ASD) correction and to analyze the relationship between the postoperative changes in sagittal spinopelvic parameters and coronal acetabular coverage parameters. Methods Fifty-two consecutive patients who had undergone multilevel spinal surgical correction were enrolled and evaluated. Coronal acetabular coverage parameters included Tönnis angle (TA), lateral center edge angle (LCEA), and the angle of Sharp (SA). All radiographic parameters were evaluated at the preoperative and the postoperative 1 year. Paired t test was used to determine whether there were significant changes between the time points. Bivariate correlation and linear regression analysis were used to assess the relationship between the postoperative changes of spinal alignment and acetabular orientation. Results The surgical correction resulted in significant decrease of TA, increase of LCEA and SA, respectively (p < 0.001). The changes in pelvic tilt (PT) demonstrated weak correlation on TA (β = 0.117, p < 0.001 for right; β = 0.111, p < 0.001 for left). Conclusions Although the surgical correction of ASD significantly changed PT resulting in increased acetabular lateral coverage parameters, the correlation between the changes of PT following sagittal correction of ASD and acetabular coverage parameters was low. Trial registration This study was retrospectively registered with approval by the institutional review board (IRB) of our institution (approval number: KHNMC-2020-10-010).Qiang LuoYong-Chan KimKi-Tack KimKee-Yong HaYoung-Soo ChunJoonghyun AhnSung-Min KimKyeonguk MinBMCarticleAdult spinal deformityTönnis angleLateral center edge angleAngle of sharpPelvic tiltDiseases of the musculoskeletal systemRC925-935ENBMC Musculoskeletal Disorders, Vol 22, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Adult spinal deformity Tönnis angle Lateral center edge angle Angle of sharp Pelvic tilt Diseases of the musculoskeletal system RC925-935
spellingShingle	Adult spinal deformity Tönnis angle Lateral center edge angle Angle of sharp Pelvic tilt Diseases of the musculoskeletal system RC925-935 Qiang Luo Yong-Chan Kim Ki-Tack Kim Kee-Yong Ha Young-Soo Chun Joonghyun Ahn Sung-Min Kim Kyeonguk Min Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
description	Abstract Background Studies explaining the relationship between hip and spine reported that spinal corrective surgery affected acetabular orientation and changes in pelvic tilt were capable of influencing radiographic measures of acetabular coverage. This study aimed to assess the change in coronal parameters for acetabular coverage as a result of adult spinal deformity (ASD) correction and to analyze the relationship between the postoperative changes in sagittal spinopelvic parameters and coronal acetabular coverage parameters. Methods Fifty-two consecutive patients who had undergone multilevel spinal surgical correction were enrolled and evaluated. Coronal acetabular coverage parameters included Tönnis angle (TA), lateral center edge angle (LCEA), and the angle of Sharp (SA). All radiographic parameters were evaluated at the preoperative and the postoperative 1 year. Paired t test was used to determine whether there were significant changes between the time points. Bivariate correlation and linear regression analysis were used to assess the relationship between the postoperative changes of spinal alignment and acetabular orientation. Results The surgical correction resulted in significant decrease of TA, increase of LCEA and SA, respectively (p < 0.001). The changes in pelvic tilt (PT) demonstrated weak correlation on TA (β = 0.117, p < 0.001 for right; β = 0.111, p < 0.001 for left). Conclusions Although the surgical correction of ASD significantly changed PT resulting in increased acetabular lateral coverage parameters, the correlation between the changes of PT following sagittal correction of ASD and acetabular coverage parameters was low. Trial registration This study was retrospectively registered with approval by the institutional review board (IRB) of our institution (approval number: KHNMC-2020-10-010).
format	article
author	Qiang Luo Yong-Chan Kim Ki-Tack Kim Kee-Yong Ha Young-Soo Chun Joonghyun Ahn Sung-Min Kim Kyeonguk Min
author_facet	Qiang Luo Yong-Chan Kim Ki-Tack Kim Kee-Yong Ha Young-Soo Chun Joonghyun Ahn Sung-Min Kim Kyeonguk Min
author_sort	Qiang Luo
title	Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
title_short	Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
title_full	Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
title_fullStr	Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
title_full_unstemmed	Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
title_sort	surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads
publisher	BMC
publishDate	2021
url	https://doaj.org/article/68e895b5717c4e11bd7c2ab576d8f1fc
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Surgical correction for adult spinal deformity increases acetabular lateral coverage of femoral heads

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