Sensory Small Fiber Function Differentially Assessed with Diode Laser (DL) Quantitative Sensory Testing (QST) in Painful Neuropathy (PN)

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Sensory small fiber function differentially assessed with diode laser (DL) quantitative sensory testing (QST) in painful neuropathy (PN).

Sensory function of small peripheral nerve fiber was assessed by means of quantitative sensory testing (QST) during which sensory stimulation was provided using diode laser (DL) in patients suffering from painful neuropathy (PN) and compared with symptom-free healthy controls (HC). Based on previous research work using DL stimulation, parameters that demonstrated safe and specific activation of...

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Validation of a Brazilian quantitative sensory testing (QST) device for the diagnosis of small fiber neuropathies.

Quantitative sensory testing (QST) is defined as the determination of thresholds for sensory perception under controlled stimulus. Our aim was to validate a new QST device for Brazilian sample. In 20 healthy adults, thermoalgesic thresholds were assessed using a QST prototype (Heat Pain Stimulator-1.1.10; Brazil). A 30 × 30 mm(2) thermode with a 1°C/s stimulus change rate were applied. Threshol...

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In patients who experience unilateral chronic pain, abnormal sensory perception at the non-painful side has been reported. Contralateral sensory changes in these patients have been given little attention, possibly because they are regarded as clinically irrelevant. Still, bilateral sensory changes in these patients could become clinically relevant if they challenge the correct identification of...

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Abnormal LDIflare but Normal Quantitative Sensory Testing and Dermal Nerve Fiber Density in Patients with Painful Diabetic Neuropathy

OBJECTIVE Abnormal small nerve fiber function may be an early feature of diabetic neuropathy and may also underlie painful symptoms. Methods for assessing small-fiber damage include quantitative sensory testing (QST) and determining intraepidermal nerve fiber density. We recently described a reproducible physiological technique, the LDIflare, which assesses small-fiber function and thus may ref...

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ژورنال

عنوان ژورنال: Pain Medicine

سال: 2013

ISSN: 1526-2375,1526-4637

DOI: 10.1111/pme.12049