Validity and reliability of the fatigue severity scale in. Fatigue severity scale fss questionnaire for patients download and print pdf. Abstract the studys objective was to develop a realtime measurement for fatigue and to evaluate whether it is an effective clinical trial outcome measure compared with the fatigue severity scale fss and the modified fatigue impact scale mfis. Fatigue related to multiple sclerosis ms is considered a. The fss and mfis along with physical, psychological and cognitive clinical outcomes were administered to a sample of 82 persons with ms in a. It contains questions that require a patient to rate his level of fatigue. It occurs in 75 percent to 95 percent of patients with ms. Theoretically, these scales have been described as measuring different aspects of the fatigue construct. Background the 21item modified fatigue impact scale mfis has been recommended as an outcome measure for use in multiple sclerosis and is commonly used to generate an overall score of fatigue. Minimally important difference of the fatigue severity scale. Spearman rank correlation fatigue severity scale to mfis. Fatigue and regulation of the hypothalamopituitaryadrenal. Assessment of global fatigue in multiple sclerosis.
Rasch analysis of the fatigue severity scale in multiple sclerosis. Interventions assessment of fatigue with 3 questionnaires. Internal consistency for fatigue severity scale was good for multiple sclerosis patients icc0. The objective of this study was i to evaluate the psychometric properties of the finnish version of the fatigue severity scale fss and ii to describe the results among patients with ms. Administration of the fatigue severity scale to 25 patients with multiple sclerosis, 29 patients with systemic lupus erythematosus, and 20 healthy adults revealed that the fatigue severity scale.
A frequently used inventory for the evaluation of fatigue is the fatigue severity scale fss developed by krupp et al. The images or other third party material in this article are included in the. Patients may be directed to download and complete the fatigue severity scale fss questionnaire by their haematologist, particularly in relation to their feelings of fatigue and the management of. Novel method for measurement of fatigue in multiple sclerosis. Fatigue and regulation of the hypothalamopituitary. Excellent for mfis total and subscales of physical and psychosocial 0. Fatigue is one of the most frequent and disabling symptom reported by people with multiple sclerosis pwms. Light therapy for multiple sclerosisassociated fatigue. Those who experience fatigue at three months postinjury are. For each questionnaire cis fatigue subscale, mfis and fss, a bivariate linear. Pdf rasch analysis of the fatigue severity scale in italian.
The 9item fss was administered to 156 italianspeaking subjects with multiple sclerosis. Rasch analysis of the modified fatigue impact scale mfis in. Patients thirtyone patients with clinically definite ms, a relapsingremitting disease course, and without ms specific treatment. Most fatigue studies in ms rely on questionnaires like the fatigue severity scale fss 3 and the modified fatigue impact scale mfis 45. Method the mfis was sent by post to patients with clinically definite multiple sclerosis in two centres. It was developed to measure fatigue in patients with neurological illnesses, in particular, multiple sclerosis and systemic lupus erythematosus. Each item consists of statements that are scored on a sevenpoint likert type scale ranging from 1 strongly disagree to 7. The fss was originally developed as a severity scale for fatigue in multiple sclerosis ms patients. Oct 01, 2019 due to the subjective nature of fatigue, patient reported outcome measures proms are commonly used to assess the severity and impact of fatigue, and two of the most frequently used in studies involving people with ms are the fatigue severity scale fss and the modified fatigue impact scale mfis blikman et al. Fatigue profiles in patients with multiple sclerosis are based on.
A percentage of 5385% of ms patients report fatigue bakshi et al. Sleep and fatigue in multiple sclerosis b r stanton, f. A visual analogue scale is also included with the scale. Modified fatigue impact scale rehabmeasures database. Postconcussionmtbi fatigue can be persistent and has been shown to still be present up to five years postinjury.
Characterizing fatiguerelated white matter changes in ms. A 9item questionnaire with questions related to how fatigue. A rapid screening tool for fatigue impact in multiple. The 11item fatigue ques tionnaire has been used in clinical trials to assess symp toms of fatigue, and the fatigue descriptive scale fds.
The symptom is not related to the severity or to the duration of ms. Severity scale fss, a nineitem questionnaire see figure. It seems that ms related fatigue is multidimensional and cannot merely be explained by the degree of. Fatigue assessment scale fas the following ten statements refer to how you usually feel. Fortynine subjects with ms and an fss 4 recorded realtime digital fatigue scores rdfss on a wristworn device four times a day over 3 weeks. She and her colleagues designed a selfreport survey that patients could complete and bring to appointments that would help providers in recognizing and diagnosing fatigue related symptoms of ms.
The validity and reliability of the fatigue severity scale in. The fatigue scale was developed as a measure of the severity of specific fatigue related symptoms, while the fatigue severity scale was designed to assess functional outcomes related to fatigue. Both clinicians and researchers may need to detect high levels of fatigue impact using a time and effort efficient tool. The impact of fatigue on patients with multiple sclerosis. Patients with good hydration status defined by urine. Fatigue impact scale an overview sciencedirect topics. Objective to test if the mfis total score is valid by application of the rasch measurement model. Fatigue in multiple sclerosis va rehabilitation research and. The results of your examinations and tests will guide the next steps. Fatigue severity scale fss questionnaire sleepline. Using the fatigue severity scale to inform healthcare.
Several selfreport scales are available to measure this debilitating symptom but concern has been expressed about their construct validity. Validation of the fatigue severity scale in chronic hepatitis c. The overall findings of the confirmatory factor analysi. In addition to the disease severity scales, the fssper was used for fatigue measurement. To study whether fatigue as feature of sickness behavior may indicate increased inflammation and more severe disease progression, scales. Each item asks respondents to place an x, representing how they currently feel, along a visual analogue line that extends between two extremes e. Backgroundthe 9item, fatigue severity scale fss9 has been widely used as an outcome measure in multiple sclerosis ms.
The fatigue severity scale, fatigue impact scale, and modi. Fatigue has a major influence on the quality of life of people with multiple sclerosis. Aug 01, 2006 sixty outpatients with ms completed the fatigue severity scale fss and the epworth sleepiness scale and kept a sleep diary for seven days. Fss is a selfreported questionnaire consisting of nine statements with a sevenpoint. The fatigue severity scale fss is a method of evaluating fatigue in multiple sclerosis and other conditions including chronic fatigue immune dysfunction syndrome cfids and systemic lupus erythmatosis sle. May 15, 2012 background fatigue is a common symptom in stroke. At times, fatigue interferes with function and is an important symptom to manage. Assessment of hpa axis regulation with the combined. Fatigue, sleep quality, and disability in relation to quality of life in. Fatigue severity scale an overview sciencedirect topics. Fatigue severity scale multiple sclerosis encyclopaedia. The objective of this study was i to evaluate the psychometric properties of the finnish version of the fatigue severity scale fss.
The fatigue severity scale fss is designed to differentiate fatigue from clinical depression, since both share some of the same symptoms. Please give an answer to each question, even if you do not have any complaints at the moment. Fatigue is the most common symptom of multiple sclerosis ms. Fatigue severity scale that covers these areas in detail. Obtaining a copy a copy can be found in the original article published by developers 1. Construct validity and testretest reliability of the fatigue severity scale in people with chronic neck pain. Previous studies have reported on mapping from ms specific outcome measures including the multiple sclerosis impact scale and the multiple. Healthrelated qol ms quality of life54, fatigue fatigue severity scale fss. In addition to energy conservation and avoidance of triggers heat, stress, or overexertion, pharmacologic treatment is advised to help maintain energy and focus eslide 46.
Visual analogue scale to evaluate fatigue severity vasf. Intensity of fatigue in three groups of patients with ms. This study evaluates the psychometric properties of a rapid screening instrument for fatigue impact in multiple sclerosis. The validity and reliability of the fatigue severity scale. The original fss is a nineitem unidimensional questionnaire developed by krupp, larocca, muirnash, and steinberg table 1. Aug 17, 2006 background fatigue is a common complaint in multiple sclerosis ms and often interferes with daily functioning. Per statement you can choose one out of five answer categories, varying from never to always. The scale saw the light in 1989, and it was initially applied to groups of patients with both diseases to help physicians measure the severity of their fatigue symptoms. Outcome measure fatigue severity scale fss sensitivity to change yes population adult domain tbirelated symptoms fatigue type of measure selfreport icfcodes b4 description the fss is a 9item scale that measures the severity of fatigue and how much it affects the persons activities and lifestyle in patients with a variety of disorders. Interrelations between fatigue complaints, cerebral mri abnormalities and neurological disability.
The fatigue severity scale fss is one of the most frequently used inventories for measuring fatigue in people with chronic illnesses. Eligible participants will have clinically confirmed multiple sclerosis based on the revised mcdonald criteria 2010 and a score. Mar 18, 2021 fatigue severity scale or ffs is a nineitem questionnaire designed in 1989 by lauren b. Higher scores on the scale are indicative of more severe fatigue. After examining you, the healthcare provider may order laboratory tests or refer you to a specialist for more evaluation. Fatigue and excessive daytime sleepiness were common in this group of patients 64 and 32%. Fatigue is one of the most debilitating symptoms in multiple sclerosis ms considerably interfering with patients daily functioning. Validity and reliability of the fatigue severity scale in finnish. Psychometric properties of the fatigue severity scale and the. The scale consists of 18 items relating to the subjective experience of fatigue. Validity and reliability of the fss in greek ms patients springerplus. The 9item multiple sclerosis fatigue selfefficacy scale was completed at baseline, 1. Fatigue scale fs no 3 1 3 0 2 fatigue severity scale fss yes 3 3 2 3 3 fatigue symptom inventory fsi no 3 2 3 2 2 multidimensional assessment of fatigue.
Reliability and validity of the persian version of the fatigue severity. The top image displays the threshold ordering of item 1 and indicates a disordering the bottom image depicts. The study provided validity and reliability evidence of the fatigue severity scale fss in greek patients with multiple sclerosis ms. The fss is a 9item scale that measures the severity of fatigue and impact on the patients activities and lifestyle. These and other measures, as well as the relationship to neuroimaging findings, are. Archives of physical medicine and rehabilitation, 947, 2834. Validation of the neurological fatigue index for stroke nfi. Validity and reliability of the fss in greek ms patients ncbi nih. The fatigue severity scale is a frequently used patientreported measure of fatigue impact, but does not generate the health state utility values required to inform costeffectiveness analysis, limiting its applicability within decisionmaking contexts. The aim of this study was to evaluate the psychometric properties of. Both fss and mfis are validated measures for fatigue, but both depend on retrospective recall of fatigue over the prior week and month, respectively, rather than realtime assessment. To facilitate research in this area, we developed a fatigue severity scale, subjected it to tests of internal consistency and validity, and used it to compare fatigue in two chronic conditions. Please circle the answer to each question that is applicable to you. Fatigue impact scale yes 3 reported 2 3 1 2 fatigue scale fs no 3 1 3 0 2 fatigue severity scale fss yes 3 3 2 3 3 fatigue symptom inventory fsi no 3 2 3 2 2 multidimensional assessment of fatigue maf yes 3 2 3 2 2 multidimensional fatigue inventory mfi20 32 3 0 2 multidimensional fatigue symptom inventory mfsi yes 2 3 3 1.
The first step is to distinguish between true articular pain and. Objective to examine the reliability and validity of a recently developed scale for multiple sclerosis ms fatigue, the neurological fatigue index nfi ms, in a sample of stroke patients. Validation of the neurological fatigue index for stroke. A patient needs to answer how fatigue interferes with certain activities. Fatigue is a prominent disabling symptom in a variety of medical and neurologic disorders.
Administration of the fatigue severity scale to 25 patients with multiple sclerosis, 29 patients with systemic lupus erythematosus, and 20 healthy adults. The patient should also rate the severity of the fatigue. Fatigue severity scale scores were lowered, but there was still a significant difference between them p fatigue severity scale 1 and fatigue severity scale 2 p0. Intended populations include patients diagnosed with multiple sclerosis, systemic lupus erythematosus, arthritis, fibromyalgia, parkinsons disease or stroke.
Fatigue severity was assessed at baseline and year 1 using the fatigue severity scale fss, given that it is shorter than the modified fatigue impact scale mfis and has high testretest consistency cronbachs alpha value 0. Fatigue severity scale includes nine statements that respondents endorse or deny, using a 7point likert scale. Multiple sclerosis specific fatigue severity scale fss. Fatigue and ms national multiple sclerosis society. The fatigue severity scale fss is a nine item self assessment questionnaire krupp et al. A rapid screening tool for fatigue impact in multiple sclerosis. Both researchers and clinicians need psychometrically robust methods to evaluate fatigue in ms. The fatigue severity scale fss is an unidimensional questionnaire of 9 statements. Dehydration might contribute to fatigue in ms nature.
Fatigue severity scale fss questionnaire for patients. We administered the fatigue impact scale to 85 ms patients and 20 hypertensive patients. The impact of msrelated cognitive fatigue on future brain. This refers to your usual way of life within the last week. Apr 24, 2019 how does the fatigue severity scale fss work. The fatigue severity scale is a short questionnaire. Minimally important difference of the fatigue severity. The objective of this study was i to evaluate the psychometric properties of the finnish version of the fatigue severity scale fss and. It was also used to evaluate patients with systemic lupus erythematosus.
Still, some have criticized the scale as ambiguous, suggesting that it is not sensitive to the distinction between fatigue and sleepiness 2. Relationship between fatigue and physical activity in a. The fatigue severity scale fss is a method of evaluating fatigue in multiple sclerosis and other conditions including chronic fatigue immune dysfunction syndrome cfids and systemic lupus erythmatosis sle the fatigue severity scale fss is designed to differentiate fatigue from clinical depression, since both share some of the same symptoms. Fatigue is one of the most debilitating symptoms in multiple sclerosis. Fluid hydration status correlates with fatigue in multiple sclerosis ms, according to a new study of 50 women with ms. It seems that ms related fatigue is multidimensional. Using the fatigue severity scale to inform healthcare decision. Fss is reported to have higher testretest consistency compared to mfis 79. The fatigue severity scale fss was developed by lauren krupp, md, a neurologist who specializes in ms, to address this overwhelming ms symptom.
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