RESUMO
We evaluated the clinical effect of acupuncture treatment on 21 patients with Arteriosclerosis Obliterans (ASO). Severity of ASO was grade I in one case, II in 17 cases, III in two cases, and IV in one case (Fontaine classification). Mainly low-frequency electroacupuncture was applied to inpatients two to four times per week and to outpatients, once or twice a week. Effects on claudication distance (ICD), pain, coldness, and Ankle Brachial Pressure Index (ABPI) were assessed on inpatients by comparing the status before starting treatment with that before the acupuncture treatment at the 17th visit. We also assessed the thermograph and plasma calcitonin gene-related peptide (CGRP) of the lower extremities.<br>Improved warmth, increased intermittent limping distance, and relief of pain during walking were observed in patients of grade I and II (Fontaine classification of severity). No improvement of symptoms was observed in patients of grade III and IV. No change in ABPI was observed in any patient. Surface temperatures in the peripheral extremities were significantly elevated from 15 minutes after insertion of the needles until 15 minutes after removal. A significant increase in plasma CGRP was observed immediately after the treatment.<br>These findings suggest that acupuncture treatment may be effective for some symptoms of grade I and II ASO and that improvement of peripheral circulation via vascular dilatation may be involved in the mechanism of action.
