The Alignment and Compensation (AC) Classification of High-Grade Spondylolisthesis

This novel biomechanical classification provides a reproducible framework to describe HGS without reliance on approximated parameters. By integrating SVA, LSA, IP, and LL Apex, it captures compensated and decompensated states of malalignment with direct therapeutic implications. The system demonstrated excellent reliability and may serve as a foundation for future surgical guidelines.

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Publication Details

Journal
Spine
Published
2026-02-04
DOI
https://doi.org/10.1097/brs.0000000000005650
Primary Topic
Scoliosis diagnosis and treatment
Type
article
Field-Weighted Citation Impact
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article

The Alignment and Compensation (AC) Classification of High-Grade Spondylolisthesis

Heiko Koller, Gupta Munish, Yong Huang, Berjano Pedro et al.
Spine
Scoliosis diagnosis and treatment
article

The Alignment and Compensation (AC) Classification of High-Grade Spondylolisthesis

Heiko Koller, Gupta Munish, Yong Huang, Berjano Pedro, Kanemura Tokumi, Alanay Ahmet, Obeid Ibrahim, La Verde Luca, Compagnone Domenico, Lamartina Claudio, Pun Alvin, Abolfotouh Sameh, Menezes Cristiano, Schnake Klaus, Pizones Javier, Finocchiaro Francesco, Trobisch Per, Vialle Emiliano
article en

Abstract

This novel biomechanical classification provides a reproducible framework to describe HGS without reliance on approximated parameters. By integrating SVA, LSA, IP, and LL Apex, it captures compensated and decompensated states of malalignment with direct therapeutic implications. The system demonstrated excellent reliability and may serve as a foundation for future surgical guidelines.

Spine
Universidade Federal de Minas Gerais (BR), Capital Medical University (CN), Washington University in St. Louis (US), Paracelsus Medical University (AT), Epworth Hospital (AU), Hospital Universitario La Paz (ES), Dubai Hospital (AE), Acıbadem University (TR), Konan Kosei Hospital (JP), Istituto Clinico Sant'Ambrogio (IT), Ospedale di San Donà di Piave (IT), Malteser Waldkrankenhaus Erlangen (DE), Istituto Ortopedico Gaetano Pini (IT), Asklepios Kliniken Bad Abbach (DE), Hospital Universitário Cajuru (BR), Polyclinique de Franche Comté (FR)
Peace, Justice and strong institutions
Openalex Percentile: Top 62%
Scoliosis diagnosis and treatment
DOIOpen Access PDFOpenAlex
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The Alignment and Compensation (AC) Classification of High-Grade Spondylolisthesis — Heiko Koller, Gupta Munish, et al. · Spine (2026) | TGRS Research Map | TGRS