Annals of vascular surgery · 2024
Clinical Application of n-Butyl-2- Cyanoacrylate (NBCA) in the Transarterial Embolization for Type I/II Endoleak During and After EVAR Surgery.
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Jiang Li-Ping, Wang Qi-Bin, Wang Xu, Zhang Hong-Mei, Ren Luo-Yi
Аннотация
BACKGROUND: Exploring the effectiveness and safety of n-butyl-2-cyanoacrylate (NBCA) in the transarterial embolization for common endoleak during and after endovascular repair of aortic aneurysm (EVAR).
METHODS: A total of 226 patients with abdominal aortic aneurysm (AAA) were treated with EVAR in 4 years from August 2019 to February 2023, including 46 patients with ruptured aneurysms (rAAA). 37 cases, 28 nonruptured AAA patients and 9 rAAA patients, developed endoleak during EVAR surgery and follow-up period and were then treated with NBCA for transarterial embolization. A follow-up was done for at least 6 months to observe its clinical efficacy and adverse reactions.
RESULTS: Among 37 cases of endoleak, there were 8 cases of primary type Ia endoleak and one case of primary right type Ib endoleak in the rAAA group, one case of primary type Ib endoleak, 2 cases of secondary type Ia endoleak, and 25 cases of postoperative type II endoleak in the nonruptured AAA group. Three patients with primary type Ia endoleak were treated with coil-assisted NBCA in the rAAA group, while the remaining 34 patients with type I and type II endoleaks were treated with NBCA alone. All transarterial embolization achieved technical success, and the endoleak disappeared. Postoperative hospitalization observation showed that 3 cases of patients in the rAAA group who experienced primary type Ia endoleak during emergency EVAR surgery died within 4 days after surgery due to hemorrhagic shock and multiple organ failure. Two patients experienced non-AAA-related deaths during the follow-up period.
CONCLUSIONS: Transarterial embolization with NBCA for the treatment of primary and secondary endoleak is a safe and effective method. It can achieve more dense embolization of the aneurysm sac and more complex endoleaks embolization. And, it showed a low recurrence rate of endoleak and the incidence of perioperative complications after surgery, which is worthy of clinical promotion and application. Even in emergency EVAR combined with primary type I endoleak treatment in rAAA patients, patients can still benefit.
METHODS: A total of 226 patients with abdominal aortic aneurysm (AAA) were treated with EVAR in 4 years from August 2019 to February 2023, including 46 patients with ruptured aneurysms (rAAA). 37 cases, 28 nonruptured AAA patients and 9 rAAA patients, developed endoleak during EVAR surgery and follow-up period and were then treated with NBCA for transarterial embolization. A follow-up was done for at least 6 months to observe its clinical efficacy and adverse reactions.
RESULTS: Among 37 cases of endoleak, there were 8 cases of primary type Ia endoleak and one case of primary right type Ib endoleak in the rAAA group, one case of primary type Ib endoleak, 2 cases of secondary type Ia endoleak, and 25 cases of postoperative type II endoleak in the nonruptured AAA group. Three patients with primary type Ia endoleak were treated with coil-assisted NBCA in the rAAA group, while the remaining 34 patients with type I and type II endoleaks were treated with NBCA alone. All transarterial embolization achieved technical success, and the endoleak disappeared. Postoperative hospitalization observation showed that 3 cases of patients in the rAAA group who experienced primary type Ia endoleak during emergency EVAR surgery died within 4 days after surgery due to hemorrhagic shock and multiple organ failure. Two patients experienced non-AAA-related deaths during the follow-up period.
CONCLUSIONS: Transarterial embolization with NBCA for the treatment of primary and secondary endoleak is a safe and effective method. It can achieve more dense embolization of the aneurysm sac and more complex endoleaks embolization. And, it showed a low recurrence rate of endoleak and the incidence of perioperative complications after surgery, which is worthy of clinical promotion and application. Even in emergency EVAR combined with primary type I endoleak treatment in rAAA patients, patients can still benefit.