Tag Archives: Betsy A Keller

Cardiopulmonary exercise test methodology for assessing exertion intolerance in ME/CFS

Cardiopulmonary Exercise Test Methodology for Assessing Exertion Intolerance in ME/CFS by Staci Stevens, Chris Snell, Jared Stevens, Betsy Keller and J Mark VanNess in Frontiers in Pediatrics, 4 September 2018 Background: Concise methodological directions for administration of serial cardiopulmonary exercise testing (CPET) … Continue reading

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Eukaryotes in the gut microbiota in ME/CFS

Research abstract: Eukaryotes in the gut microbiota in myalgic encephalomyelitis/chronic fatigue syndrome, by Alexandra H. Mandarano, Ludovic Giloteaux, Betsy A. Keller, Susan M. Levine, Maureen R. Hanson in  PeerJ 6:e4282 [January 22, 2018] Patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) … Continue reading

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Case report of differences between twins where only one has ME

Case report abstract: BACKGROUND: Patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) present with profound fatigue, flu-like symptoms, pain, cognitive impairment, orthostatic intolerance, and post-exertional malaise (PEM), and exacerbation of some or all of the baseline symptoms. CASE REPORT: We report … Continue reading

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