Abstract
Purpose
In response to sagittal malalignment, compensatory spinal and lower extremity mechanisms are recruited. Thoracolumbar realignment surgery has been shown to yield reciprocal changes in these compensations. Thus, whole-body radiographic assessment has come to the fore. This study aimed to evaluate the relationship between spinopelvic parameters and lower extremity compensation angles and to examine their coupled change with deformity correction.
Methods
This was a multicenter retrospective analysis of patients who had ≥ 4 levels posterior fusion, whole-body radiographs, and ≥ 2 years follow-up. Relative Pelvic Version (RPV), Relative Lumbar Lordosis (RLL), Relative Spinopelvic Alignment (RSA), Femoral Obliquity Angle (FOA), Knee Flexion Angle (KFA) and Global Sagittal Axis (GSA) were measured preoperatively and 6 week postoperatively. Kruskal–Wallis tests were performed to assess the relation of relative spinopelvic parameters to global sagittal alignment and lower extremity compensation angles. Spearman’s correlations were performed to assess correlations of pre-to-postoperative changes.
Results
193 patients (156F, 37 M) were included. The mean age was 57.2 ± 16.6 years. The mean follow-up duration was 50.6 (24–90) months. On average, 10.3 ± 3.8 levels were fused. Among the cohort, 124 (64.2%) had a sacral or sacroiliac fixation, and 43 (22.3%) had 3-column osteotomies. Preoperative FOA, KFA and GSA significantly differed between RPV, RLL and RSA categories. Significant weak-to-strong correlations were observed between spinopelvic parameters, global sagittal alignment and lower extremity compensation angles (rho range: − 0.351 to 0.767).
Conclusions
PI-adjusted relative spinopelvic parameters significantly correlated with measurements of the lower extremity compensation. Postoperative changes in RPV, RLL and RSA reflected changes in FOA, KFA and GSA. These measurements may serve as a valuable proxy for surgical planning when whole-body imaging is not available.
Similar content being viewed by others
References
Schwab F, Patel A, Ungar B, Farcy JP, Lafage V (2010) Adult spinal deformity-postoperative standing imbalance: how much can you tolerate? An overview of key parameters in assessing alignment and planning corrective surgery. Spine 35:2224–2231. https://doi.org/10.1097/BRS.0b013e3181ee6bd4
Barrey C, Roussouly P, Le Huec JC, D’Acunzi G, Perrin G (2013) Compensatory mechanisms contributing to keep the sagittal balance of the spine. Eur Spine J 22(Suppl 6):S834-841. https://doi.org/10.1007/s00586-013-3030-z
Lafage V, Schwab F, Skalli W, Hawkinson N, Gagey PM, Ondra S, Farcy JP (2008) Standing balance and sagittal plane spinal deformity: analysis of spinopelvic and gravity line parameters. Spine 33:1572–1578. https://doi.org/10.1097/BRS.0b013e31817886a2
Ferrero E, Liabaud B, Challier V, Lafage R, Diebo BG, Vira S, Liu S, Vital JM, Ilharreborde B, Protopsaltis TS, Errico TJ, Schwab FJ, Lafage V (2016) Role of pelvic translation and lower-extremity compensation to maintain gravity line position in spinal deformity. J Neurosurg Spine 24:436–446. https://doi.org/10.3171/2015.5.SPINE14989
Amabile C, Le Huec JC, Skalli W (2018) Invariance of head-pelvis alignment and compensatory mechanisms for asymptomatic adults older than 49 years. Eur Spine J 27:458–466. https://doi.org/10.1007/s00586-016-4830-8
Lafage R, Liabaud B, Diebo BG, Oren JH, Vira S, Pesenti S, Protopsaltis TS, Errico TJ, Schwab FJ, Lafage V (2017) Defining the role of the lower limbs in compensating for sagittal malalignment. Spine 42:E1282–E1288. https://doi.org/10.1097/BRS.0000000000002157
El Fegoun AB, Schwab F, Gamez L, Champain N, Skalli W, Farcy JP (2005) Center of gravity and radiographic posture analysis: a preliminary review of adult volunteers and adult patients affected by scoliosis. Spine 30:1535–1540. https://doi.org/10.1097/01.brs.0000167534.49069.e9
Diebo BG, Ferrero E, Lafage R, Challier V, Liabaud B, Liu S, Vital JM, Errico TJ, Schwab FJ, Lafage V (2015) Recruitment of compensatory mechanisms in sagittal spinal malalignment is age and regional deformity dependent: a full-standing axis analysis of key radiographical parameters. Spine 40:642–649. https://doi.org/10.1097/BRS.0000000000000844
Diebo BG, Oren JH, Challier V, Lafage R, Ferrero E, Liu S, Vira S, Spiegel MA, Harris BY, Liabaud B, Henry JK, Errico TJ, Schwab FJ, Lafage V (2016) Global sagittal axis: a step toward full-body assessment of sagittal plane deformity in the human body. J Neurosurg Spine 25:494–499. https://doi.org/10.3171/2016.2.SPINE151311
Teraguchi M, Kawakami M, Ishimoto Y, Nagata K, Nakagawa M, Minetama M, Matsuo S, Nakagawa Y (2021) Sagittal imbalance of the spine-pelvis-lower extremity axis associated with back-related disability. J Orthop Sci 26:986–991. https://doi.org/10.1016/j.jos.2020.10.014
Day LM, Ramchandran S, Jalai CM, Diebo BG, Liabaud B, Lafage R, Protopsaltis T, Passias PG, Schwab FJ, Bess S, Errico TJ, Lafage V, Buckland AJ (2017) Thoracolumbar realignment surgery results in simultaneous reciprocal changes in lower extremities and cervical spine. Spine 42:799–807. https://doi.org/10.1097/BRS.0000000000001928
Shimizu T, Lehman RA Jr, Sielatycki JA, Pongmanee S, Cerpa M, Takemoto M, Lenke LG (2020) Reciprocal change of sagittal profile in unfused spinal segments and lower extremities after complex adult spinal deformity surgery including spinopelvic fixation: a full-body X-ray analysis. Spine J Off J North Am Spine Soc 20:380–390. https://doi.org/10.1016/j.spinee.2019.09.012
Yilgor C, Sogunmez N, Boissiere L, Yavuz Y, Obeid I, Kleinstuck F, Perez-Grueso FJS, Acaroglu E, Haddad S, Mannion AF, Pellise F, Alanay A, European Spine Study G (2017) Global alignment and proportion (GAP) score: development and validation of a new method of analyzing spinopelvic alignment to predict mechanical complications after adult spinal deformity surgery. J Bone Joint Surg Am 99:1661–1672. https://doi.org/10.2106/JBJS.16.01594
Yilgor C, Sogunmez N, Yavuz Y, Abul K, Boissiere L, Haddad S, Obeid I, Kleinstuck F, Sanchez Perez-Grueso FJ, Acaroglu E, Mannion AF, Pellise F, Alanay A, European Spine Study G (2017) Relative lumbar lordosis and lordosis distribution index: individualized pelvic incidence-based proportional parameters that quantify lumbar lordosis more precisely than the concept of pelvic incidence minus lumbar lordosis. Neurosurg Focus 43:E5. https://doi.org/10.3171/2017.8.FOCUS17498
Obeid I, Hauger O, Aunoble S, Bourghli A, Pellet N, Vital JM (2011) Global analysis of sagittal spinal alignment in major deformities: correlation between lack of lumbar lordosis and flexion of the knee. Eur Spine J 20(Suppl 5):681–685. https://doi.org/10.1007/s00586-011-1936-x
Yilgor C, Yavuz Y, Sogunmez N, Haddad S, Mannion AF, Abul K, Boissiere L, Obeid I, Kleinstuck F, Perez-Grueso FJS, Acaroglu E, Pellise F, Alanay A, European Spine Study G (2018) Relative pelvic version: an individualized pelvic incidence-based proportional parameter that quantifies pelvic version more precisely than pelvic tilt. Spine J 18:1787–1797. https://doi.org/10.1016/j.spinee.2018.03.001
Quarto E, Zanirato A, Pellegrini M, Vaggi S, Vitali F, Bourret S, Le Huec JC, Formica M (2022) GAP score potential in predicting post-operative spinal mechanical complications: a systematic review of the literature. Eur Spine J. https://doi.org/10.1007/s00586-022-07386-6
Kellgren JH, Lawrence JS (1957) Radiological assessment of osteo-arthrosis. Ann Rheum Dis 16:494–502. https://doi.org/10.1136/ard.16.4.494
Dubousset J (1994) Three-dimensional analysis of the scoliotic deformity. In: Weinstein S (ed) The pediatric spine: principles and practice. Raven Press, New York, pp 479–496
Verma R, Lafage R, Scheer J, Smith J, Passias P, Hostin R, Ames C, Mundis G, Burton D, Kim HJ, Bess S, Klineberg E, Schwab F, Lafage V, International Spine Study G (2019) Improvement in back and leg pain and disability following adult spinal deformity surgery: study of 324 patients with 2-year follow-up and the impact of surgery on patient-reported outcomes. Spine 44:263–269. https://doi.org/10.1097/BRS.0000000000002815
Passias PG, Jalai CM, Diebo BG, Cruz DL, Poorman GW, Buckland AJ, Day LM, Horn SR, Liabaud B, Lafage R, Soroceanu A, Baker JF, McClelland S 3rd, Oren JH, Errico TJ, Schwab FJ, Lafage V (2019) Full-body radiographic analysis of postoperative deviations from age-adjusted alignment goals in adult spinal deformity correction and related compensatory recruitment. Int J Spine Surg 13:205–214. https://doi.org/10.14444/6028
Le Huec JC, Thompson W, Mohsinaly Y, Barrey C, Faundez A (2019) Sagittal balance of the spine. Eur Spine J 28:1889–1905. https://doi.org/10.1007/s00586-019-06083-1
Qian BP, Jiang J, Qiu Y, Wang B, Yu Y, Zhu ZZ (2014) The presence of a negative sacral slope in patients with ankylosing spondylitis with severe thoracolumbar kyphosis. J Bone Joint Surg Am 96:e188. https://doi.org/10.2106/JBJS.M.01070
Tsuji T, Matsuyama Y, Goto M, Yimin Y, Sato K, Hasegawa Y, Ishiguro N (2002) Knee-spine syndrome: correlation between sacral inclination and patellofemoral joint pain. J Orthop Sci 7:519–523. https://doi.org/10.1007/s007760200092
Tauchi R, Imagama S, Muramoto A, Tsuboi M, Ishiguro N, Hasegawa Y (2015) Influence of spinal imbalance on knee osteoarthritis in community-living elderly adults. Nagoya J Med Sci 77:329–337
Shimizu T, Cerpa M, Lenke LG (2021) Understanding sagittal compensation in adult spinal deformity patients: relationship between pelvic tilt and lower-extremity position. Journal Neurosurg Spine. https://doi.org/10.3171/2021.1.SPINE201660
Author information
Authors and Affiliations
Consortia
Corresponding author
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
About this article
Cite this article
Yucekul, A., Ozpinar, A., Kilickan, F.D.B. et al. Relationship between pelvic incidence-adjusted relative spinopelvic parameters, global sagittal alignment and lower extremity compensations. Eur Spine J 32, 3599–3607 (2023). https://doi.org/10.1007/s00586-023-07677-6
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00586-023-07677-6