A comprehensive examination of severely ill ME/CFS patients, by Chia-Jung Chang, Li-Yuan Hung, Andreas M. Kogelnik, David Kaufman, Raeka S Aiyar, Angela M Chu, Julie Wilhelmy, Peng Li, Linda Tannenbaum, Wenzhong Xiao, Ronald W Davis in Healthcare Vol 9, #10, p 1290, Sep 29, 2021 [doi.org/10.3390/healthcare9101290]


Research abstract:

One in four myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) patients are estimated to be severely affected by the disease, and these house-bound or bedbound patients are currently understudied. Here, we report a comprehensive examination of the symptoms and clinical laboratory tests of a cohort of severely ill patients and healthy controls.

The greatly reduced quality of life of the patients was negatively correlated with clinical depression. The most troublesome symptoms included fatigue (85%), pain (65%), cognitive impairment (50%), orthostatic intolerance (45%), sleep disturbance (35%), post-exertional malaise (30%), and neurosensory disturbance (30%). Sleep profiles and cognitive tests revealed distinctive impairments.

Lower morning cortisol level and alterations in its diurnal rhythm were observed in the patients, and antibody and antigen measurements showed no evidence for acute infections by common viral or bacterial pathogens. These results highlight the urgent need of developing molecular diagnostic tests for ME/CFS.


In addition, there was a striking similarity in symptoms between long COVID and ME/CFS, suggesting that studies on the mechanism and treatment of ME/CFS may help prevent and treat long COVID and vice versa.

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