A novel diagnostic examination for dropped head syndrome (DHS) (Prone position cervical extension test; DHS test)

IF 1.5 4区 医学 Q3 ORTHOPEDICS
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引用次数: 0

Abstract

Background

Dropped head syndrome (DHS) is followed by severe cervical extension muscle weakness that results in chin-on chest deformity. However, maintaining a neutral cervical position can be temporarily possible, and the diagnosis of DHS might sometimes be difficult. The purpose of the present study is to examine a novel clinical test (DHS test) as the diagnostic utility for objective evaluation that focuses on cervical extension condition in the prone position.

Methods

One hundred subjects were diagnosed with isolated neck extensor myopathy (INEM)-DHS at our hospital (17 men and 83 women, mean age 75.0 ± 8.5 years), and 62 subjects were enrolled as age-matched controls. The DHS test consisted of three examinations; the first was “Ceiling gazing test” in standing position, the second was horizontal gazing in “Sphinx prone position test”, and the third was horizontal gazing in “Hands and knees prone position test”. We investigated the sensitivity and specificity of the DHS test for DHS.

Results

The patients showing positive in the INEM-DHS group were 63/100 in Ceiling gaze test, 73/100 in the Sphinx prone position test, and 91/100 in the Hands and knees prone position test. In the control group, 0/62 patients presented positive in the Ceiling gaze test, 4/62 in the Sphinx prone position test, and 0/62 in the Hands and knees prone position test. Sensitivity and specificity of the DHS test were 63.0%/100%, 73.0%/93.5%, and 91.0%/100% in the Ceiling gaze test, Sphinx position prone position test, and Hands and knees prone position test, respectively.

Conclusion

The prone position cervical extension test (DHS test) would be useful as a novel objective diagnostic tool for INEM-DHS.

一种新的垂头综合征(DHS)诊断检查(俯卧位颈椎伸展试验;DHS试验)。
背景:垂头综合征(DHS)之后是严重的颈部伸展肌无力,导致下巴对胸部畸形。然而,保持中立的宫颈位置可能是暂时的,并且DHS的诊断有时可能很困难。本研究的目的是检验一种新的临床试验(DHS试验),作为客观评估的诊断工具,该试验侧重于俯卧位的颈部伸展状况。方法:在我院诊断为孤立性颈伸肌肌病(INEM)-DHS的100例受试者(17名男性和83名女性,平均年龄75.0±8.5岁),62名受试者作为年龄匹配的对照。DHS测试包括三项考试;第一项是站姿的“天花板凝视测试”,第二项是“狮身人面像俯卧位测试”的水平凝视,第三项是“手脚俯卧位”的水平注视。我们研究了DHS测试对DHS的敏感性和特异性。结果:INEM-DHS组的阳性患者在天花板凝视测试中为63/100,在狮身人面像俯卧位测试中为73/100,在手脚俯卧位试验中为91/100。在对照组中,0/62名患者在天花板凝视测试中呈阳性,4/62名患者在狮身人面像俯卧位测试中呈阴性,0/62例患者在手和膝盖俯卧位试验中呈阳性。DHS测试的敏感性和特异性在天花板凝视测试、狮身人面像俯卧位测试和手脚俯卧位试验中分别为63.0%/100%、73.0%/93.5%和91.0%/100%。结论:俯卧位颈椎伸展试验(DHS试验)是一种新的客观诊断INEM-DHS的工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Orthopaedic Science
Journal of Orthopaedic Science 医学-整形外科
CiteScore
3.00
自引率
0.00%
发文量
290
审稿时长
90 days
期刊介绍: The Journal of Orthopaedic Science is the official peer-reviewed journal of the Japanese Orthopaedic Association. The journal publishes the latest researches and topical debates in all fields of clinical and experimental orthopaedics, including musculoskeletal medicine, sports medicine, locomotive syndrome, trauma, paediatrics, oncology and biomaterials, as well as basic researches.
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