Why the study?
Are myogenic, venoarteriolar, and reactive hyperemic responses abnormal in patients with low-flow and high-flow postural tachycardia syndrome compared to controls?
Population
14 patients with postural tachycardia syndrome, evenly subdivided into low-flow POTS and high-flow POTS, and…
Comparison
Physiological testing including leg lowering by… vs Control subjects and comparison between POTS…
Design
Case-control
Authors
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Reduced baseline flow highlights vascular dysregulation in low-flow POTS; leaves open mechanistic and therapeutic implications pending prospective studies.
Are myogenic, venoarteriolar, and reactive hyperemic responses abnormal in patients with low-flow and high-flow postural tachycardia syndrome compared to controls?
Patients with low-flow postural tachycardia syndrome exhibit impaired local blood flow regulation, including abnormal myogenic and venoarteriolar responses.
Stewart et al. (2003) studied this question.
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