Japan Society for the Promotion of Science:Grants-in-Aid for Scientific Research
Date (from‐to) : 2017/04 -2020/03
Author : Suzuki Kazushi
Purpose: To evaluate the usefulness of Perfusion Index (PI) for evaluation of blood flow of the approached arteries during endovascular aneurysm repair (EVAR).
Results: In total, 168 arteries were evaluated, and 3 of them showed decrease of PI. In these 3 arteries, the decrease of blood flow was confirmed by image examination, and surgical repair was performed immediately. In 165 without decrease of PI, ABI on the next day was at the same level as before EVAR. In the normal group, the left and right ratio of PI value was less than 2 in 92%. In the all ischemic group, the ratio was greater than 2, and the average ratio was 10.6. Therefore, the agreement rate between PI evaluation and clinical evaluation was 100%. The left and right ratio of PI monitored immediately after EVAR appears to be useful to evaluate blood flow of the approached arteries.