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European Spine Journal

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01-11-2015 | Original Article

Biomechanical and clinical study of single posterior oblique cage POLIF in the treatment of degenerative diseases of the lumbar spine

Authors: Antonino Zagra, Laura Scaramuzzo, Fabio Galbusera, Leone Minoia, Marino Archetti, Fabrizio Giudici

Published in: European Spine Journal | Special Issue 7/2015

Abstract

Introduction

Aim of the study was to evaluate the biomechanical stability and the clinical efficacy of a lumbar interbody fusion obtained by single oblique cage implanted by a posterior approach.

Method

Through the realization of three finite element models (FEMs), the biomechanics of POLIF was compared to PLIF and TLIF. Ninety-four patients underwent interbody fusion by POLIF with instrumented posterolateral fusion. Clinical and radiographic outcomes were evaluated at regular intervals for at least 6 months.

Results

The FEMs showed no statistically significant differences in stability in compression and flexion–extension. Mean preoperative VAS score was 7.1, decreased to 2.1 at follow-up. Mean preoperative SF-12 value was 34.5 %, increased to 75.4 % at follow-up. All patients showed a good fusion rate and no hardware failure.

Discussion

POLIF associated to instrumented posterolateral fusion is a viable and safe surgical technique, which ensures a biomechanical stability similar to other surgical techniques.

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Title: Biomechanical and clinical study of single posterior oblique cage POLIF in the treatment of degenerative diseases of the lumbar spine
Authors: Antonino Zagra
Laura Scaramuzzo
Fabio Galbusera
Leone Minoia
Marino Archetti
Fabrizio Giudici
Publication date: 01-11-2015
Publisher: Springer Berlin Heidelberg
Published in: European Spine Journal / Issue Special Issue 7/2015
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI: https://doi.org/10.1007/s00586-015-4273-7

At a glance: The STEP trials

Springer Medicine

Biomechanical and clinical study of single posterior oblique cage POLIF in the treatment of degenerative diseases of the lumbar spine

Abstract

Introduction

Method

Results

Discussion

At a glance: The STEP trials

Springer Medicine

Abstract

Introduction

Method

Results

Discussion

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