Simple quantitative analysis of Hoover's test in patients with psychogenic and organic limb pareses

Diukova, G M; Ljachovetckaja, Natalya I.; Begljarova, Marina A.; Gavrileyko, Galina I.

doi:10.1016/j.jpsychores.2012.10.004

Cited by 14 publications

(6 citation statements)

References 10 publications

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“…Importantly, though, and in contrast to previous neurophysiological studies [3,4], the patients in this cohort study were unselected and had presented acutely with suspected stroke. The data therefore reflects the performance of the sign in clinical practice.…”

Section: Discussionmentioning

confidence: 99%

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Hoover's sign for the diagnosis of functional weakness: A prospective unblinded cohort study in patients with suspected stroke

McWhirter

Stone

Sandercock

et al. 2011

Journal of Psychosomatic Research

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Section: Discussionmentioning

confidence: 99%

“…However, no studies have tested the diagnostic performance of this sign in unselected patients with neurological symptoms. [2][3][4]. In the next revision of DSM, reference to positive physical signs of functional weakness may be incorporated within the criteria for conversion disorder itself [5].…”

Section: Introductionmentioning

confidence: 99%

Hoover's sign for the diagnosis of functional weakness: A prospective unblinded cohort study in patients with suspected stroke

McWhirter

Stone

Sandercock

et al. 2011

Journal of Psychosomatic Research

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“…We used the Spinal Injuries Center Test to differentiate conversion disorders. Another test to assist in distinguishing nonorganic from organic weakness is the Hoover test [ 6 ]. This sign relies on the principle of synergetic contraction.…”

Section: Discussionmentioning

confidence: 99%

Postoperative tetraplegia due to conversion disorder upon emergence from general anesthesia

et al. 2020

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Background Acute neurological deficit upon emergence from general anesthesia is a serious emergency. Conversion disorder, previously known as hysteria, is a somatoform disorder that causes neurological deficits without anatomical or physiological explanations. It is particularly rare after general anesthesia. Case presentation A 28-year-old healthy Japanese woman presented tetraplegia with normal sensory function upon waking from general anesthesia. She was evaluated for the causes of tetraplegia. There were no abnormal findings, and her symptoms were inconsistent with any anatomical or neurological pathology. Although she could not flex her knee actively, she could maintain the passive flexed position, suggesting that her paralysis was nonorganic. The most likely diagnosis was conversion disorder. After a 12-h observation, the patient fully recovered. Conclusions In patients with neurological deficits not correlating with neurological findings after general anesthesia, the presence of somatic disorders, such as conversion disorder, should be considered.

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“…17 18 One of the studies used a simple weighing scale to measure force, which makes the technique highly accessible. 18 However, again, it remains to be determined which patients would require this quantitative technique as opposed to simply eliciting Hoover's sign as part of physical examination. Notably, expert clinical assessment (including Hoover's sign) is the gold standard against which quantitative techniques are validated.…”

Section: Movement Disordersmentioning

confidence: 99%

Biomarkers in functional movement disorders: a systematic review

Thomsen

Teodoro

Edwards

2020

J Neurol Neurosurg Psychiatry

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Functional movement disorders (FMD) are proposed to reflect a specific problem with voluntary control of movement, despite normal intent to move and an intact neural capacity for movement. In many cases, a positive diagnosis of FMD can be established on clinical grounds. However, the diagnosis remains challenging in certain scenarios, and there is a need for predictors of treatment response and long-term prognosis.In this context, we performed a systematic review of biomarkers in FMD. Eighty-six studies met our predefined criteria and were included.We found fairly reliable electroencephalography and electromyography-based diagnostic biomarkers for functional myoclonus and tremor. Promising biomarkers have also been described for functional paresis, gait and balance disorders. In contrast, there is still a lack of diagnostic biomarkers of functional dystonia and tics, where clinical diagnosis is often also more challenging. Importantly, many promising findings focus on pathophysiology and reflect group-level comparisons, but cannot differentiate on an individual basis. Some biomarkers also require access to time-consuming and resource-consuming techniques such as functional MRI.In conclusion, there are important gaps in diagnostic biomarkers in FMD in the areas of most clinical uncertainty. There is also is a lack of treatment response and prognostic biomarkers to aid in the selection of patients who would benefit from rehabilitation and other forms of treatment.

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Simple quantitative analysis of Hoover's test in patients with psychogenic and organic limb pareses

Cited by 14 publications

References 10 publications

Hoover's sign for the diagnosis of functional weakness: A prospective unblinded cohort study in patients with suspected stroke

Hoover's sign for the diagnosis of functional weakness: A prospective unblinded cohort study in patients with suspected stroke

Postoperative tetraplegia due to conversion disorder upon emergence from general anesthesia

Biomarkers in functional movement disorders: a systematic review

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