2023
Exercise Pathophysiology in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Postacute Sequelae of SARS-CoV-2 More in Common Than Not?
Joseph P, Singh I, Oliveira R, Capone C, Mullen M, Cook D, Stovall M, Squires J, Madsen K, Waxman A, Systrom D. Exercise Pathophysiology in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Postacute Sequelae of SARS-CoV-2 More in Common Than Not? CHEST Journal 2023, 164: 717-726. PMID: 37054777, PMCID: PMC10088277, DOI: 10.1016/j.chest.2023.03.049.Peer-Reviewed Original ResearchConceptsMyalgic encephalomyelitis/chronic fatigue syndromeME/CFSChronic fatigue syndromeSARS-CoV-2Fatigue syndromePostacute sequelaeCardiopulmonary exercise testingSystemic blood flowExercise pathophysiologyExertional intoleranceIntractable fatigueExercise testingAcute infectionPostexertional malaiseExercise intoleranceOrthostatic intoleranceVentilatory controlLong-term consequencesBlood flowClinical overlapSuch symptomsIntoleranceSequelaeCOVID-19Syndrome
2022
Neurovascular Dysregulation and Acute Exercise Intolerance in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome A Randomized, Placebo-Controlled Trial of Pyridostigmine
Joseph P, Pari R, Miller S, Warren A, Stovall MC, Squires J, Chang CJ, Xiao W, Waxman AB, Systrom DM. Neurovascular Dysregulation and Acute Exercise Intolerance in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome A Randomized, Placebo-Controlled Trial of Pyridostigmine. CHEST Journal 2022, 162: 1116-1126. PMID: 35526605, DOI: 10.1016/j.chest.2022.04.146.Peer-Reviewed Original ResearchConceptsME/CFSInvasive cardiopulmonary exercise testRight atrial pressureCardiac outputNeurovascular dysregulationAtrial pressurePostexertional malaiseExercise intoleranceMyalgic encephalomyelitis/chronic fatigue syndromePeak exercise oxygen uptakeRight ventricular filling pressuresEnd pointPlacebo-controlled trialPrimary end pointSecondary end pointsVentricular filling pressureCardiopulmonary exercise testChronic fatigue syndromeExercise oxygen uptakeA RandomizedIntractable fatigueOral pyridostigminePyridostigmine groupExercise capacitySystemic hemodynamicsAcute Effect of Pyridostigmine in Exertional Intolerance in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS): A Randomized Placebo-Controlled Clinical Trial
Stovall M, Joseph P, Pari R, Warren A, Miller S, Squires J, Xiao W, Waxman A, Systrom D. Acute Effect of Pyridostigmine in Exertional Intolerance in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS): A Randomized Placebo-Controlled Clinical Trial. 2022, a2063-a2063. DOI: 10.1164/ajrccm-conference.2022.205.1_meetingabstracts.a2063.Peer-Reviewed Original ResearchMyalgic encephalomyelitis/chronic fatigue syndromeChronic fatigue syndromeExertional intoleranceRandomized PlaceboFatigue syndromeClinical trialsAcute effectsPlaceboPyridostigmineSyndromeIntoleranceTrials
2021
Insights From Invasive Cardiopulmonary Exercise Testing of Patients With Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Joseph P, Arevalo C, Oliveira RKF, Faria-Urbina M, Felsenstein D, Oaklander AL, Systrom DM. Insights From Invasive Cardiopulmonary Exercise Testing of Patients With Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. CHEST Journal 2021, 160: 642-651. PMID: 33577778, PMCID: PMC8727854, DOI: 10.1016/j.chest.2021.01.082.Peer-Reviewed Original ResearchConceptsSmall fiber neuropathyRight atrial pressurePostural orthostatic tachycardiaMyalgic encephalomyelitis/chronic fatigue syndromeCardiopulmonary exercise testingChronic fatigue syndromeExertional intoleranceExercise testingFatigue syndromeControl subjectsOxygen extractionInvasive cardiopulmonary exercise testingLow right atrial pressureME/CFS criteriaHigh pulmonary blood flowME/CFS patientsPeripheral oxygen extractionSmall fiber pathologyPulmonary blood flowSystemic oxygen extractionCardiac returnIntrinsic heartNeurovascular dysregulationRight shuntingCFS patients