Abstract
An endemic peripheral vascular disorder resulting in gangrene of the lower extremities, especially of the feet, is called ‘Blackfoot disease (BFD)’. Clinically, the symptoms and signs of Blackfoot disease are similar to those of Buerger's disease. In this study, the objective is to examine the amount of arsenic, mercury, zinc, lead, and selenium in urine samples from BFD patients. After pre-treatment with acids, the samples were digested by means of a microwave oven. The determination of arsenic mercury, zinc, lead and selenium were by hydride atomic absorption spectrometry (HAAS), cold vapor atomic absorption spectrometry (CVAAS), flame atomic absorption spectrometry (FAAS), graphite furnace absorption spectrometry (GFAAS), respectively. The results indicated that urinary arsenic, mercury and lead of the BFD patients were significantly higher than those of the normal controls, while urinary zinc and selenium were significantly lower than those of the normal controls. The possibility that these elements are involved in the etiology of diseases is discussed.
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