Abstract
Background: The purpose of this study was to perform the indocyanine green angiography (ICGA) for patients with arterial disease, and examined the quantitative parameters of ICGA tests. Materials and Methods: Twenty-nine patients with peripheral arterial disease and eight patients with abdominal and/or iliac artery aneurysms were examined by ICGA tests, which estimated the lower extremity circulation. Then, we compared the ICGA parameters with ankle brachial pressure index (ABI), toe brachial pressure index (TBI), and toe pressure (TP). Results: T1/2, which was the time taken from fluorescence onset to half the maximum intensity, was correlated with ABI, TBI, and TP. Furthermore, T1/2 was most significantly correlated with TP (r = −0.328, P value 0.002). Conclusions: ICGA tests might be able to estimate the lower extremity circulation, and T1/2 was a good parameter to evaluate the lower extremity perfusion.
