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Published in: European Spine Journal 9/2020

01-09-2020 | Magnetic Resonance Imaging | Original Article

Diagnostic tests in the clinical diagnosis of lumbar spinal stenosis: Consensus and Results of an International Delphi Study

Authors: Christy Tomkins-Lane, Markus Melloh, Arnold Wong

Published in: European Spine Journal | Issue 9/2020

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Abstract

Purpose

Reach a consensus on which diagnostic tests are most important in confirming the clinical diagnosis of lumbar spinal stenosis (LSS).

Methods

Phase 1: 22 members of the International Taskforce on the Diagnosis and Management of LSS confirmed 35 diagnostic items. An on-line survey was developed that allows experts to express the logical order in which they consider the diagnostic tests, and the level of certainty ascertained from each test. Phase 2, Round 1: Survey distributed to members of the International Society for the Study of the Lumbar Spine. Round 2: Meeting of 15 members of Taskforce defined final list of 10 items. Round 3: Survey was distributed internationally, followed by Taskforce consensus.

Results

Totally, 432 clinicians from 28 different countries participated. Certainty of the diagnosis was 60% after selecting the first test and significant change in certainty ceasing after eight items at 90.8% certainty (p < 0.05). The most frequently selected tests included MRI/CT scan, neurological examination and walking test with gait observation. The diagnostic test selected most frequently as the first test was neurological examination.

Conclusions

This is the first study to reach an international consensus on which diagnostic tests should be used in the clinical diagnosis of LSS. The final recommendation includes three core diagnostic items: neurological examination, MRI/CT and walking test with gait observation. The Taskforce also recommends 3 ‘rule out’ tests: foot pulses/ABI, hip examination and test for cervical myelopathy. If applied, this core set of diagnostic tests can standardize outcomes and improve clinical care of LSS globally.
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Metadata
Title
Diagnostic tests in the clinical diagnosis of lumbar spinal stenosis: Consensus and Results of an International Delphi Study
Authors
Christy Tomkins-Lane
Markus Melloh
Arnold Wong
Publication date
01-09-2020
Publisher
Springer Berlin Heidelberg
Published in
European Spine Journal / Issue 9/2020
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI
https://doi.org/10.1007/s00586-020-06481-w

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