Key result
Among 30 patients with endoleak after EVAR managed with various treatment strategies, all-cause mortality was 21.4% during follow-up, with no deaths attributed to aneurysm sac rupture.
Why the study?
Endoleak after EVAR causes aneurysm sac enlargement and rupture risk, motivating an assessment of the efficacy of different endoleak treatment strategies and techniques.
Observational (n=30)
No
Individualized treatment strategies for endoleak after EVAR, including endovascular re-intervention and open surgery, can prevent aneurysm sac rupture deaths.
Supports individualized post-EVAR endoleak management to avert rupture deaths; leaves open confirmation in larger prospective cohorts.
BACKGROUND: Endovascular abdominal aortic aneurysm repair (EVAR) is the most frequently used treatment for aneurysm in abdominal aorta. The endoleak after EVAR causes the aneurysm sac to remain enlarged and risk for rupture. AIMS: The purpose of the study was to assess the efficacy of strategies and techniques for endoleak treatment. METHODS: This study was a single center retrospective study of 30 patients who had kinds of endoleak. The 30 patients were from a cohort of 597 patients who received EVAR from the Secondary Xiangya Hospital, Central South University between Jan 2014 to Dec 2021, what is follow-up well and diagnosed as endoleak. Data included basic clinical information, aspects of the endoleak treatment techniques, and follow-up findings. RESULTS: The 30 patients with endoleak were diagnosed by computed tomography angiography or digital subtraction angiography. Age is 69 ± 7.9 yrs. 26 patients are male with only 4 female patients. Immediate endoleak after EVAR is 46.7%and delayed endoleak is 53.3%. The classification of endoleak is type Ⅰ:76.6%; type Ⅱ 26.7%; type Ⅲ:6.7%; type Ⅳ:6.7%; type Ⅴ:13.3%. Different treatment of endoleak includes: screening, endovascular re-intervention and open surgery. There are 3 patients (10.0%) underwent emergency EVAR due to their rupture condition of aneurysm. All the endoleak patients' CTA image characteristics has been reviewed. The follow-up rate is 93.3%. There are 6 patients (21.4%) died during follow-up. No aneurysm sac rupture death has been recorded. CONCLUSIONS: Endoleak after EVAR is the most frequent complication that directly affects survival and re-intervention rates. Our findings suggested that different treatment strategies based on the individual patient's situation is important for their endoleak treating result.
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Li et al. (2023) conducted an observational in Endoleak after endovascular repair of the abdominal aortic aneurysm (n=30). Endoleak treatment strategies (screening, endovascular re-intervention, open surgery) was evaluated on Survival and aneurysm sac rupture death. Among 30 patients with endoleak after EVAR managed with various treatment strategies, all-cause mortality was 21.4% during follow-up, with no deaths attributed to aneurysm sac rupture.
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