Tag Archives: Donna Felsenstein

Research: Insights from invasive cardiopulmonary exercise testing of patients with ME/CFS

Insights from Invasive Cardiopulmonary Exercise Testing of Patients with Myalgic Encephalomyelitis/ Chronic Fatigue Syndrome, by Phillip Joseph, Carlo Arevalo, Rudolf KF Oliveira, Donna Felsenstein, Anne Louise Oaklander, David M Systrom in CHEST journal  Feb 09, 2021 [doi.org/10.1016/j.chest.2021.01.082]   Research abstract: Background … Continue reading

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Unexplained exertional intolerance associated with impaired systemic oxygen extraction

The researchers reviewed invasive cardiopulmonary test results of 313 patients with unexplained exertional intolerance. The paper focuses mainly on a small subset of patients: “We identified a cohort of patients whose exercise limitation is due only to systemic oxygen extraction, … Continue reading

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