Fig. 4From: Improvement of severe myalgic encephalomyelitis/chronic fatigue syndrome symptoms following surgical treatment of cervical spinal stenosisa Improvement in the maximum increase in heart rate from supine to the peak value during 10-min of standing, pre- and post-operatively. The standing tests were performed at varying intervals after surgery (after 4 years for Patient 1, and after 1 year for Patients 2 and 3). All three patients had resolution of POTS. b Self-reported scores of the physical function subscale of the SF-36 measure, pre- and post-operatively at the same post-operative intervals as in a. c Improvements on the physician-assigned Karnofsky scores for each patient, pre- and 1-year post-operativelyBack to article page