Abstract

In this study, 1O patients with Buerger's disease (TAO) and patients and 7 patients with atherosclerosis obliterans (ASO) asa control group were studied for the evaluation of microvascular disturbance in TAO. After 1 minute exercise, 37 MBq TL-201 was injected intraarterially and anterior planar images of feed and whole body images of lower extre­ mities were obtained. Sama procedure was repeated after ene week using 185 MBq Tc-99 m MAA (macroaggregated albumin). Rectangular region of interests (ROi) were drawn on TL-201 and Tc-99 m-MAA images, and TL-201/Tc-99 m-MAA uptake ratios were calculated.
TL-201/Tc-99 m-MAA ratios of toes of TAO cases were lower than those of ASO cases (p< 0.05), whereas no sig­ nificant difference was found far lower limbs and feet. This findings may be explained by the disturbances of microvas- cular regulation in TAO. •

Key words: None