• Medicine · Jun 2023

    Comparison of pipeline classic and flex embolization devices in endovascular performance for intracranial aneurysms.

    • Li Li, Bu-Lang Gao, Qiao-Wei Wu, Tian-Xiao Li, Qiu-Ji Shao, and Kai-Tao Chang.
    • Henan Provincial People's Hospital, Zhengzhou University, Zhengzhou, Henan Province, China.
    • Medicine (Baltimore). 2023 Jun 16; 102 (24): e34087e34087.

    AbstractTo investigate the endovascular performance of the Pipeline Classic embolization device (PED Classic) and PED Flex device (PED Flex) in the treatment of intracranial aneurysms. Fifty-three patients with intracranial aneurysms treated with the PED Classic were retrospectively enrolled into the PED Classic group, and 118 patients with intracranial aneurysms treated with the PED Flex were enrolled into the PED Flex group. The Procedure time, contrast dosage, fluoroscopy time, and perioperative complications were analyzed. The success rate of the stenting procedure was 100% in both groups. In the PED Classic group, 58 PED Classic devices were implanted, and 26 aneurysms underwent coil embolization. In the PED Flex group, 126 PED Flex devices were implanted, and 35 aneurysms underwent concomitant coil embolization. The procedure time was significantly (P < .001) greater in the PED Classic (159.0 ± 42.0 minutes) than in the PED Flex (121.9 ± 4.0 minutes) group. The dosage of contrast agent (156.4 ± 39.4 vs 110.1 ± 38.5 mL) and the total fluoroscopic time (34.7 ± 5.7 minutes vs 22.8 ± 7.6 minutes) were significantly (P < .001) greater in the PED Classic than in the PED Flex group. Peri-procedural complications occurred in 5 (9.4%) patients in the PED Classic group and in 3 (2.5%) patients in the Flex group, without a statistically significant (P = .11) difference. The performance of the PED Flex device may be safer and easier than that of the PED Classic device in the treatment of intracranial aneurysms despite some serious complications which remain to be prevented.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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