Tag Archives: Leonard A Jason

Key scientists ask Lancet for independent re-analysis of PACE trial

Posted on 11/20/2015 by wames

Six eminent researchers, 5 from the USA, 1 from Britain, have sent an open letter to the Editor of the Lancet urging the appointment of an independent panel of researchers to investigate the journal’s reporting of the PACE trial in 2011, due to the … Continue reading →

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The need to list exclusionary illnesses for SEID

Posted on 06/30/2015 by wames

Research abstract: The Institute of Medicine recently proposed a new case definition for chronic fatigue syndrome (CFS), as well as a new name, Systemic Exertion Intolerance Disease (SEID). Contrary to the Fukuda et al.’s CFS case definition, there are few … Continue reading →

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Comparison of consensus & empirical ME/CFS definitions & criteria

Posted on 04/01/2015 by wames

Research abstract: Background:  Since the publication of the CFS case definition [Fukuda K, Straus SE, Hickie I, Sharpe MC, Dobbins JG, Komaroff A. The chronic fatigue  syndrome: a comprehensive approach to its definition and study. Ann Intern Med. 1994;121:953-959], there … Continue reading →

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Measuring substantial reductions in activity

Posted on 02/20/2015 by wames

Research abstract The case definitions for Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS), ME, and CFS each include a disability criterion requiring substantial reductions in activity in order to meet diagnostic criteria. Difficulties have been encountered in defining and operationalizing the substantial … Continue reading →

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Are stamina and fatigue polar opposites?

Posted on 02/20/2015 by wames

Research abstract: Most individuals with Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS) (Carruthers et al., 2003), Myalgic Encephalomyelitis (ME) (Carruthers et al., 2011), and chronic fatigue syndrome (CFS) (Fukuda et al., 1994) indicate that they experience fatigue and sharp decreases in energy … Continue reading →

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More severe symptoms & impairment in ME than in CFS confirmed

Posted on 02/04/2015 by wames

Research abstract A revised sudden onset case definition for Myalgic Encephalomyelitis (ME) has been developed (Jason, Damrongvachiraphan, etal., 2012) based on past case definitions. In a prior study, Jason, Brown, and colleagues (2012 ) compared patients recruited using the 1994 … Continue reading →

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Defining ME/CFS: McGrath comments on Brown/Jason research

Posted on 09/12/2014 by wames

Simon McGrath at Phoenix rising comments on the full text (not available free) of Brown and Jason’s paper Validating a measure of myalgic encephalomyelitis/chronic fatigue syndrome symptomatology Extract from : Validating a measure of ME/CFS symptomatology – Brown & Jason … Continue reading →

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Prof Leonard Jason videos

Posted on 09/11/2014 by wames

Professor Lenny Jason, from DePaul University, Chicago, talks about his involvement with ME and some huge prevalence studies in videos posted on the Dutch Youtube site ME/cvs Vereniging. More will be added over the coming weeks.    

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DSQ is valid tool for assessing symptoms in ME/CFS

Posted on 07/30/2014 by wames

Abstract Background: The diagnosis of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is complex and largely based on self-reported symptom profiles. The field lacks consensus for a singular case definition and heterogeneous samples make comparability across studies difficult. Purpose: The present study … Continue reading →

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Do coping strategies improve health in CFS?

Posted on 05/31/2014 by wames

Abstract OBJECTIVE/Hypothesis The objective of this study was to examine sub-types of individuals with chronic fatigue syndrome based on variables that are associated with the energy envelope theory and to examine the role of coping strategies in explaining the differences … Continue reading →

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