Enhancing precision in vascular embolization: evaluating the effectiveness of the intentional early detachment technique with detachable coils in complex cases

Oka, Shojiro; Kohno, Shigeshi; Arizono, Shigeki; Onishi, Yasuyuki; Fumimoto, Masaya; Yoshida, Atsushi; Ishikura, Reiichi; Ando, Kumiko

doi:10.1186/s42155-024-00453-7

CVIR Endovascular

Table 1 Eleven patients who underwent coil embolization using the intentional early detachment technique with detachable coils

From: Enhancing precision in vascular embolization: evaluating the effectiveness of the intentional early detachment technique with detachable coils in complex cases

Patient No /Age /Sex	Embolized artery	Etiology	Coil: diameter in mm/ length in cm	No of coils	Microcatheters/ microguidewire	Reasons for intentional early detachment	Technical/Clinical success	Complication
1/52/M	AIPDA	Hemorrhage due to SAM	Avenir PICO: 1/2(× 2)	2	Carnelian MARVEL S 1.3, Swift Ninja/CHIKAI X10	Deployment of coils through a 1.3-Fr catheter	YES/YES	NO
2/69/M	3rd ICA	Preemptive embolization to prevent T2EL	Target XL: 5/10(× 2), 4/15(× 5) Azur soft3D: 4/10	8	Carnelian MARVEL S, Swift Ninja/Traxcess	Significant tortuosity in vascular anatomy	YES/YES	NO
3/74/M	Cystic artery	Idiopathic gallbladder bleeding	Target nano: 1/2(× 2)	2	Guidepost, DeFrictor Nano, Carnelian MARVEL S/CHIKAI X10	Deployment of coils through a 1.3-Fr catheter	YES/YES	NO
4/75/M	PIPDA	Hemorrhage within a pancreatic tumor	Target XL soft: 6/20	1	Carnelian MARVEL S, Swift Ninja/CHIKAI V, CHIKAI X10	Significant tortuosity in vascular anatomy	YES/YES	NO
5/75/F	DPA	True aneurysm due to MALS	Target nano: 1/2, 1/3(× 3)	4	Carnelian MARVEL S, Swift Ninja/CHIKAI V, CHIKAI X10	Inadequate system backup	YES/YES	NO
6/76/M	2nd LA	T2EL	Avenir: 4/20, 3/10, 4/13(× 2), 5/17(× 2) Target tetra: 3.5/8(× 2)	8	Carnelian MARVEL S 1.3, Masters HF/CHIKAI X10	Deployment of coils through a 1.3-Fr catheter	YES/YES	NO
7/79/F	PIPDA	Post-EST hemorrhage	SMART Coil: 1/2	1	Carnelian MARVEL S 1.3, Masters HF/CHIKAI X10	Deployment of coils through a 1.3-Fr catheter	YES/YES	NO
8/83/M	Iliolumbar artery	Lt-IIAA Embolization to prevent T2EL	Avenir: 3/10, 2/8, 2/6	3	Carnelian MARVEL S, Swift Ninja/CHIKAI V, CHIKAI X10	Inadequate system backup	YES/YES	NO
9/86/M	VR	Diverticular hemorrhage	Avenir: 1.5/3(× 2),2/4, 2/3(× 2) iED coil: 1/3	6	Carnelian MARVEL S, Masters HF/CHIKAI V, CHIKAI X10	Inadequate system backup	YES/YES	NO
10/86/M	4th LA	T2EL	Avenir: 4/20	1	Carnelian MARVEL S, Swift Ninja/CHIKAI X10	Significant tortuosity in vascular anatomy	YES/YES	NO
11/87/M	4th LA	T2EL	AZUR soft3D: 3/8 Avenir: 4/20	2	Carnelian MARVEL S, Swift Ninja/CHIKAI X10	Significant tortuosity in vascular anatomy	YES/YES	NO

Target XL soft/Nano/Tetra (Stryker, Fremont, CA, USA), SMART COIL (Penumbra, Alameda, CA, USA), AVENIR/AVENIR PICO (Wallaby Medical, Shanghai, China), AZUR soft 3D (Terumo, Tokyo, Japan), iED coil (KANEKA Medix, Osaka, Japan)
Carnelian MARVEL S/S 1.3 (Tokai Medical Products, Aichi, Japan), Swift NINJA (SB KAWASUMI, Tokyo, Japan), Masters HF (Asahi Intecc, Aichi, Japan), DeFrictor Nano (Medico's Hirata, Osaka, Japan), Guidepost (Tokai Medical Products), CHIKAI V/X10 (Asahi Intecc, Aichi, Japan), Traxcess (Terumo, Tokyo, Japan)
AIPDA anterior inferior pancreaticoduodenal artery, PIPDA posterior inferior pancreaticoduodenal artery, DPA dorsal pancreatic artery, LA lumbar artery, MALS median arcuate ligament syndrome, EST endoscopic sphincterotomy, ICA intercostal artery, IIAA internal iliac artery aneurysm, VR vasa recta, T2EL type 2 endoleak, SAM segmental arterial mediolysis

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