International Journal of Medical Sciences

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21 September 2017

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Int J Med Sci 2017; 14(7):662-667. doi:10.7150/ijms.19110

Research Paper

Diagnostic Accuracy of the Neck Tornado Test as a New Screening Test in Cervical Radiculopathy

Juyeon Park1, Woo Young Park2, 3, Seungbae Hong4, Jiwon An5, Jae Chul Koh6, Youn-Woo Lee5, Yong Chan Kim7, Jong Bum Choi4✉

1. Department of Anesthesia and Pain Medicine, Pusan National University Yangsan Hospital, Pusan, Korea;
2. Department of Anesthesia, Sheikh Khalifa Specialty Hospital, Ras Al Khaimah, United Arab Emirates;
3. Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Korea;
4. Department of Anesthesiology and Pain Medicine, Ajou University College of Medicine, Suwon, Korea;
5. Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, Korea;
6. Department of Anesthesiology and Pain Medicine, Korea University College of Medicine, Korea University Anam Hospital, Seoul, Korea;
7. Department of Anesthesiology and Pain Medicine, Gwangmyeong Saeum Hospital, Gwangmyeong, Korea.

Abstract

Background: The Spurling test, although a highly specific provocative test of the cervical spine in cervical radiculopathy (CR), has low to moderate sensitivity. Thus, we introduced the neck tornado test (NTT) to examine the neck and the cervical spine in CR.

Objectives: The aim of this study was to introduce a new provocative test, the NTT, and compare the diagnostic accuracy with a widely accepted provocative test, the Spurling test.

Design: Retrospective study.

Methods: Medical records of 135 subjects with neck pain (CR, n = 67; without CR, n = 68) who had undergone cervical spine magnetic resonance imaging and been referred to the pain clinic between September 2014 and August 2015 were reviewed. Both the Spurling test and NTT were performed in all patients by expert examiners. Sensitivity, specificity, and accuracy were compared for both the Spurling test and the NTT.

Results: The sensitivity of the Spurling test and the NTT was 55.22% and 85.07% (P < 0.0001); specificity, 98.53% and 86.76% (P = 0.0026); accuracy, 77.04% and 85.93% (P = 0.0423), respectively.

Conclusions: The NTT is more sensitive with superior diagnostic accuracy for CR diagnosed by magnetic resonance imaging than the Spurling test.

Keywords: cervical radiculopathy, neck pain, radicular pain, Spurling test, neck tornado test.

This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/). See http://ivyspring.com/terms for full terms and conditions.
How to cite this article:
Park J, Park WY, Hong S, An J, Koh JC, Lee YW, Kim YC, Choi JB. Diagnostic Accuracy of the Neck Tornado Test as a New Screening Test in Cervical Radiculopathy. Int J Med Sci 2017; 14(7):662-667. doi:10.7150/ijms.19110. Available from http://www.medsci.org/v14p0662.htm