Posturographic performance in patients with the potential for secondary gain

Gianoli, Gerard J.; McWilliams, Sean M.; Soileau, James S.; Belafsky, Peter C.

doi:10.1016/s0194-5998(00)70137-9

Cited by 41 publications

(18 citation statements)

References 14 publications

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“…Potential aggravation (simulation) of balance disorders can be excluded based on observations of patients during the clinical examination and on the measurement of SCPG. Similar conclusions were reached by Gianoli and Krempl during the use of dynamic posturography [15,16].…”

Section: Discussionsupporting

confidence: 85%

Computerised static posturography in neurology

Vališ¹,

Dršata

Kalfeřt

et al. 2012

Open Medicine

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AbstractPosturography is a general term for techniques used to measure postural stability on static or dynamic measuring platforms. The principle of static computerised posturography (SCPG) is the detection of the centre of foot pressure (CFP) in upright stance on a posturography platform. Our communication deals with the importance of SCPG in differential topodiagnosis of vestibular syndromes in neurology. The set of examinations and evaluations carried out was divided among a control group of healthy subjects (77), a group of subjects with peripheral vestibular disorder (159), and a group of subjects with a non-peripheral balance disorder (82). Results obtained through the measurements were evaluated using descriptive statistics procedures and basic numerical and graphic statistical characteristics of the given groups. Our observations demonstrate that posturography is a valuable auxiliary test for balance disorders, especially given the lack of more suitable tests. According to our results, SCPG can be used for a rough differential topodiagnosis of balance disorders in neurology.

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Section: Discussionsupporting

confidence: 85%

Computerised static posturography in neurology

Vališ¹,

Dršata

Kalfeřt

et al. 2012

Open Medicine

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“…Balance performance, measured by computerized posturography [8,14,16,21] or functional balance tests, such as timed one-leg-stance, forward reach [19] and timed upand-go [9], has been examined in relation to perceived handicap in patients with dizziness. In previous studies, patients with dizziness were treated as a homogenous group, and conflicting findings were reported.…”

Section: Discussionmentioning

confidence: 99%

“…Studies have shown that balance performance, when measured quantitatively using laboratory or clinical testing, does not necessarily correspond to the extent of handicap in patients with dizziness, with correlations ranging from weak to moderate [14,16,19,21]. Lack of synchrony between subjective complaints and clinical findings with respect to balance ability is common in patients with dizziness [3,8,10,24] and could explain, at least in part, the inconsistency in the level of correlation reported in previous studies. Thus, when evaluating how unsteadiness contributes to perceived handicap, both balance performance and perceived unsteadiness should be taken into consideration.…”

mentioning

confidence: 99%

Perception of Unsteadiness in Patients with Dizziness: Association with Handicap and Imbalance

et al. 2002

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Dizziness is a common problem in patients seeking medical help and is often associated with imbalance and handicap. This study aimed to reveal whether the perception of unsteadiness could be an indication of greater imbalance and handicap in these patients. Patients with dizziness were categorized into two groups, steady patients (n = 15) and unsteady patients (n = 23), based on the presence or absence of self-perceived unsteadiness. The level of self-perceived handicap was evaluated by the Dizziness Handicap Inventory. Static balance ability was evaluated using a force platform and the center of pressure motion was calculated during various quiet standing conditions. Dynamic balance ability was evaluated by the functional forward reach test and Dynamic Gait Index. All the patients also went through isometric strength tests of the lower extremities. It was found that all patients reported themselves to be handicapped by dizziness. Patients who perceived themselves to be unsteady had greater handicap and poorer static standing, but did not differ from the steady patients in regard to muscle strength or functional balance tests. Thus, self- perceived unsteadiness was associated with greater handicap and poorer static balance in dizzy patients. In clinical management of these patients, special attention should be paid to balance and handicap.

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“…The incentive for financial gain differs across Europe, depending on the local legal requirements to prove incapacitating balance problems after an automobile accident [Committee of European Assurances, 2004]. Thus it is important to judge whether patients with apparently debilitating balance problems are consciously mimicking a balance deficit, especially when there is a possibility of financial gain [Binder and Rohling, 1996;Gianoli et al, 2000].…”

Section: Introductionmentioning

confidence: 99%

“…The 3 formulas of Cevette et al [1995] produced the best results; 88% of the malingerers were correctly classified. Mallinson et al [2005] developed a new set of criteria to identify malingering patients which included those of Cevette et al [1995], Gianoli et al [2000], and Goebel et al [1997]. The new criteria which differed were: scoring a patient's performance when the patient is unaware of being assessed, a rhythmic sway pattern throughout all tasks, and finally exaggerated or erratic responses which could not be reproduced.…”

Section: Introductionmentioning

confidence: 99%

Differentiating Malingering Balance Disorder Patients from Healthy Controls, Compensated Unilateral Vestibular Loss, and Whiplash Patients Using Stance and Gait Posturography

Vonk¹,

Horlings²,

Allum³

2009

Audiol Neurotol

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Differentiating balance disorder patients who are malingering from those with organic balance disorders is difficult and costly. We used trunk sway measured during several stance and gait tasks in 18 patients suspected of malingering in order to differentiate these from 20 patients who had suffered unilateral vestibular loss 3 months earlier, 20 patients with documented whiplash injuries, and 34 healthy controls. Classification results ranged from 72 to 96% and were equally accurate for task or criteria variables based on 90% sway values. The tasks yielding the best discrimination were: standing with eyes closed on a foam and firm surface; standing with eyes open on a firm surface; standing on 1 leg; and walking tandem steps. The criteria yielding the best discrimination were: standing with eyes open on a firm surface; the difference between standing with eyes closed on foam and firm surfaces; the difference between walking tandem steps and standing on 1 leg with eyes open; and the difference between roll and pitch velocity when walking 8 tandem steps. We conclude that discriminating suspected malingering balance disorder patients is possible using variables or criteria based on objective measures of trunk sway during several stance and gait tasks.

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Posturographic performance in patients with the potential for secondary gain

Cited by 41 publications

References 14 publications

Computerised static posturography in neurology

Computerised static posturography in neurology

Perception of Unsteadiness in Patients with Dizziness: Association with Handicap and Imbalance

Differentiating Malingering Balance Disorder Patients from Healthy Controls, Compensated Unilateral Vestibular Loss, and Whiplash Patients Using Stance and Gait Posturography

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