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In Vivo. 2003 Sep-Oct;17(5):413-20.

Axial loading MRI of the lumbar spine.

Author information

1
Department of Diagnostic Imaging and Interventional Radiology, University of Tor Vergata, V.le Oxford 81, 00133, Rome, Italy. guggi@tiscali.it

Abstract

BACKGROUND:

The aim of our study was to evaluate the incoming interrelations between chronic low back pain and biomechanical changes of the lumbar spine, using an MRI-compatible axial-loading device mimicking the standing position.

MATERIALS AND METHODS:

Fifty consecutive patients (28 males and 22 females), with both chronic low pack pain and recurrent painful blockages, were selected and studied using a 1.5 T Gyroscan Intera Philips MRI unit (Philips, Best, Holland) and a dedicated axial loading apparatus (MIKAI manufacturing, Genoa, Italy).

RESULTS:

After loading, no significant modifications occurred in ten patients (20%), a spinal stenosis was seen in 18 patients (45%), an increase in the discal protrusions or hernias was detected in 8 patients (20%) and a significant accentuation of the spondylolisthesis was observed in 6 patients (15%).

CONCLUSION:

Axial loading MRI provides valuable information for specific non-invasive or operative management of low back pain.

PMID:
14598603
[Indexed for MEDLINE]

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