File:OrthostaticIntolerance-sitting.png

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Title: (or description)[edit | edit source]

Sitting position that resulted in significant cerebral blood flow reduction in patients with severe ME. Orthostatic intolerance affecting daily life was present in 90% of those with severe ME, a sitting position could be used since many may not be able to tolerate a standard 70 tilt test for orthostatic intolerance.
van Campen et al. 2020 states: "A sitting test was chosen over a standing test or tilt-table test because patients were not able to stand for more than several minutes and we wanted to avoid the prolonged post-exertional malaise that can occur after tilt table testing."

Author: (or citation)[edit | edit source]

van Campen CLMC, Rowe PC, Visser FC (2020). Cerebral Blood Flow Is Reduced in Severe Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients During Mild Orthostatic Stress Testing: An Exploratory Study at 20 Degrees of Head-Up Tilt Testing. Healthcare 8(2):169. doi 10.3390/healthcare8020169

Source: (e.g. internet address)[edit | edit source]

Cerebral Blood Flow Is Reduced in Severe Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients During Mild Orthostatic Stress Testing: An Exploratory Study at 20 Degrees of Head-Up Tilt Testing
Healthcare 2020, 8(4):394 doi 10.3390/healthcare8040394

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orthostatic intolerance (OI) - The development of symptoms when standing upright, where symptoms are relieved upon reclining. Patients with orthostatic intolerance have trouble remaining upright for more than a few seconds or a few minutes, depending upon severity. In severe orthostatic intolerance, patients may not be able to sit upright in bed. Orthostatic intolerance is often a sign of dysautonomia. There are different types of orthostatic intolerance, including postural orthostatic tachycardia syndrome (POTS).

tilt table test A diagnostic test to determine orthostatic intolerance or other forms of dysautonomia. The patient is strapped to a table and the table is tilted while the patient is monitored.

post-exertional malaise (PEM) - A notable exacerbation of symptoms brought on by small physical or cognitive exertions. PEM may be referred to as a "crash" or "collapse" and can last for days or weeks. Symptoms can include cognitive impairments, muscle pain, trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, and others.

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current17:58, October 11, 2020Thumbnail for version as of 17:58, October 11, 20202,774 × 2,324 (646 KB)Notjusttired (talk | contribs)==== Title: (or description) ==== Sitting position that resulted in significant cerebral blood flow reduction in patients with severe ME. Orthostatic intolerance affecting daily life was present in 90% of those with s...

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