Improving fatigue assessment in immune‐mediated neuropathies: the modified Rasch‐built fatigue severity scale

Nes, Sonja I. van; Vanhoutte, Els K.; Faber, Catharina G.; Garssen, Marcel P J; Doorn, Pieter A. van; Merkies, Ingemar S. J.

doi:10.1111/j.1529-8027.2009.00238.x

Cited by 54 publications

(38 citation statements)

References 19 publications

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“…Factor analysis of the FSS in the patient group demonstrated its unidimensional structure in MDD patients, in accordance with previous findings in other clinical groups [12,38,41] and in the general population [35]. Although the size of our sample was relatively small (less than 100 patients), many authors have suggested that a subjects-tovariables ratio of 5 or higher is sufficient, especially when inter-item correlations are high and the number of factors extracted is small [42,43].…”

Section: Discussionsupporting

confidence: 89%

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Psychometric evaluation of the Fatigue Severity Scale in patients with major depression

et al. 2010

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Objectives: To investigate (1) the diagnostic value of the Signs of Depression Scale (SODS) in a Likert scale format and (2) whether the Likert scale improves the diagnostic value compared with the original dichotomous scale. Design: Cross-sectional multicentre study. Setting: One general and one university hospital in the Netherlands. Subjects: A total of 116 consecutive hospitalized stroke patients, of whom 53 were patients with communicative impairment. Main measures: Depression was diagnosed with the Composite International Diagnostic Interview (CIDI) administered to the patients' relatives. The Barthel Index (BI) was used as an external validator. Results: The correlation between the CIDI and the SODS-Likert or the SODS was small (r b = 0.18), and the correlation between the Barthel Index and the SODS-Likert (r s = −0.30) or the SODS (r s = −0.33) was moderate. For both instruments, the discriminatory power for diagnosing depression when compared with the CIDI was best at a cutoff score of ⩾2. The internal consistency of the SODS-Likert was acceptable (α = 0.69) and slightly higher than that of the SODS (α = 0.57). The inter-rater reliability of the SODS-Likert and the SODS was acceptable (intraclass correlation coefficient (ICC) 0.66 and ICC 0.80, respectively). The clinical utility was rated good. Conclusion: The diagnostic value of the SODS did not improve using a Likert scale format. However, the diagnostic value of the original dichotomous SODS is reasonable for the initial mood assessment of stroke patients with communicative impairment.

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Section: Discussionsupporting

confidence: 89%

“…In fact, ICC was found higher than values previously reported in other studies [8,12], possibly due to a shorter test-retest time interval. However, the 1-week interval, which has also been previously used [13,38], was selected in this study mainly on ethical grounds.…”

Section: Discussionmentioning

confidence: 99%

Psychometric evaluation of the Fatigue Severity Scale in patients with major depression

et al. 2010

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“…This would require evaluation of the clinimetric properties of these instruments. Moreover, because these instruments have non‐linear outcome measures, it would be advantageous if linear weighting could be applied, as done recently for the FSS for other immune‐mediated disorders ( van Nes et al, 2009 ) .…”

Section: Discussionmentioning

confidence: 99%

Functioning of patients with multifocal motor neuropathy

Erdmann¹,

Lindeman²,

Cats³

et al. 2010

J Peripheral Nervous Sys

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Patients with multifocal motor neuropathy (MMN) have slowly progressive, predominantly distal asymmetric limb weakness without sensory loss. While previous studies have investigated the impact of MMN on body functions and structures, relatively little is known about the impact of patients' weakness on daily functioning. The aim of the present cross-sectional study, involving 47 patients with MMN, was to evaluate determinants of patients' functioning. Most patients showed not only muscle weakness but also fatigue, limited dexterity, and limited walking ability. Regression models showed that age, hand aids, and muscle strength scores together explained 54% of the variance in dexterity scores, which in turn explained 8% of the variance in patients' scores for autonomy indoors. Age, the use of walking aids, and muscle strength scores together explained 58% of the variance in walking ability scores, which in turn explained 18% of the variance in patients' scores for autonomy indoors and 7% of the variance in patients' scores for autonomy outdoors. Assessment of determinants of patient functioning may make it possible to tailor interventions to address these aspects and thereby improve patients' functioning in daily life.

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“…To overcome these shortcomings, the Peripheral Neuropathy outcome measures Standardization (PeriNomS) study group has re-modeled the widely used FSS to a Rasch-built FSS, improving its concept and fulfilling modern clinimetric requirements in GBS and CIDP [14]. All future studies evaluating chronic conditions or conditions with chronic consequences should transform ordinal-obtained data to interval data using, for example, the Rasch method [15].…”

Section: Fatigue In Immune-mediated Neuropathiesmentioning

confidence: 99%

Fatigue, Pain, Anxiety and Depression in Guillain-Barré Syndrome and Chronic Inflammatory Demyelinating Polyradiculoneuropathy

Merkies

Kieseier²

2016

Eur Neurol

606

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Background: In the clinical evaluation of patients with Guillain-Barré syndrome (GBS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), scant attention is paid to symptoms such as fatigue, pain and anxiety/depression. We aimed at addressing seminal studies that focused on the burden of these symptoms and their impact on quality of life (QoL) in these conditions. Summary: Fatigue, pain, and anxiety/depression are increasingly being recognized in patients with GBS and CIDP, although their pathophysiological provenance remains unknown. Fatigue and pain are significant in terms of prevalence and intensity, may be a presenting symptom, and can persist for years after apparent functional recovery, suggesting residual injury. Anxiety/depression has also been examined although studies are limited. Despite their negative impact on QoL, the long-term dynamics of these symptoms in patients with GBS and particularly CIDP receiving therapy in routine clinical practice have not been systematically evaluated. Such observations formed the basis for the ongoing (GAMEDIS) studies evaluating the effect of Gamunex® on fatigue and depression in patients with CIDP, of which some preliminary data are presented. Key Messages: Strength and sensory deficits are the main areas of focus in patients with GBS and CIDP, but they do not explain the total reduction in QoL, suggesting the possible role of other complaints. A more comprehensive approach to patient care demands that factors such as pain, fatigue and anxiety/depression receive greater attention. The non-interventional GAMEDIS studies are expected to provide valuable insight into the long-term effectiveness of Gamunex® in everyday practice.

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Improving fatigue assessment in immune‐mediated neuropathies: the modified Rasch‐built fatigue severity scale

Cited by 54 publications

References 19 publications

Psychometric evaluation of the Fatigue Severity Scale in patients with major depression

Psychometric evaluation of the Fatigue Severity Scale in patients with major depression

Functioning of patients with multifocal motor neuropathy

Fatigue, Pain, Anxiety and Depression in Guillain-Barré Syndrome and Chronic Inflammatory Demyelinating Polyradiculoneuropathy

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