Article ID Journal Published Year Pages File Type
2804813 Journal of Diabetes and its Complications 2006 9 Pages PDF
Abstract

ObjectiveThe aim of the study was to assess pain threshold and tolerance in diabetics with/without neuropathy and to compare that in with healthy controls.MethodsIn this cross-sectional and comparative study, 79 diabetics (57 without neuropathy and 22 with neuropathy) and 32 healthy controls (63 women and 48 men) with a mean age of 48.11±7.52 years were studied. Seventy-nine diabetics, aged 33 to 74, who met inclusion criteria were evaluated using electrical stimulation (faradic current) to assess pain threshold and tolerance on upper and lower extremities and were compared with healthy controls. They also were evaluated using Michigan Neuropathy Screening Index (MNSI), 5.07 mmg Semmes Weinstein Monofilament, and visual analog scale (VAS). Pain threshold and tolerance were measured experimentally.ResultsOf all participants, 32.4% had pain complain. Eighteen diabetics without neuropathy (31.6%) and 9 diabetics with neuropathy (40.9%) reported pain. The result of upper and lower extremities' pain threshold and tolerance showed that there was a significant difference between diabetics and healthy participants (P<.05). Diabetics with neuropathy had the highest pain threshold and tolerance. The impairments in light touch sense were highest in diabetics with neuropathy (P<.05).ConclusionMeasuring pain threshold and tolerance of diabetic patients using electrical stimulation is an easy, noninvasive, cheap and repeatable method and can be used for defining the onset of diabetic neuropathy and controlling prognosis at early stage.

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