Quantitative sensory testing predicts histological small fiber neuropathy in postural tachycardia syndrome.

Background: Retrospective investigation of the somatosensory profile and prediction of histologic small fiber neuropathy (SFN) in postural orthostatic tachycardia syndrome (POTS) was performed using quantitative sensory testing (QST) as a standardized noninvasive test.

Methods: In this investigation, full data sets from 30 patients (age: 34.03 ± 10.