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Erschienen in: Wiener klinische Wochenschrift 21-22/2015

01.11.2015 | original article

Length of abdominal aortic aneurysm and incidence of endoleaks type II after endovascular repair

verfasst von: Dinh Dong Nghi Phan, cand, med, Prof. Dr. med. habil. Frank Meyer, Prof. Dr. med. habil. Maciej Pech, Priv-Doz. Dr. med. habil. Zuhir Halloul

Erschienen in: Wiener klinische Wochenschrift | Ausgabe 21-22/2015

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Summary

Objective

To evaluate the predicting factors for the development of endoleak type II, its frequency and influencing factors after elective endovascular repair (EVAR) of infrarenal abdominal aortic aneurysms (AAA).

Methods

Data were prospectively collected in a unicenter observational study (tertiary center of [endo-] vascular surgery) and retrospectively evaluated in patients who had undergone elective EVAR of AAA. Vascular (lumbar arteries (LA) and inferior mesenteric artery, aneurysm) and general patient (habits, medication, basic diseases) as well as procedural characteristics, were analyzed for their association with the development of endoleak type II. Pre and postinterventional computed tomography (CT) scans were evaluated for aneurysm anatomy, in particular, postinterventional growth or shrinkage as well detection of an endoleak of each type.

Results

The study cohort included 82 patients (mean age, 72 (52–87) years; 77 men, 93.9 %) throughout 36 months. The median follow-up period was 29.5 months (range, 1–57). Overall, 51 endoleaks type II (62.2 %) were identified at any time during the postinterventional follow-up period. In the Cox regression, AAA length was the only significant predictor (P = 0.024; hazard ratio (HR), 1.07; 95 % confidence interval (CI), 1.01–1.14). Thirteen patients (15.8 %) underwent at least one secondary intervention. Aneurysm growth was observed in four patients because of an endoleak type II (4.9 %). No AAA rupture occurred in association with an isolated endoleak type II.

Conclusion

The preoperative AAA length (correlating with the number of LA) can be considered a risk factor for postinterventional occurrence of endoleak type II prompting to greater attention and possible preemptive therapy.
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Metadaten
Titel
Length of abdominal aortic aneurysm and incidence of endoleaks type II after endovascular repair
verfasst von
Dinh Dong Nghi Phan, cand, med
Prof. Dr. med. habil. Frank Meyer
Prof. Dr. med. habil. Maciej Pech
Priv-Doz. Dr. med. habil. Zuhir Halloul
Publikationsdatum
01.11.2015
Verlag
Springer Vienna
Erschienen in
Wiener klinische Wochenschrift / Ausgabe 21-22/2015
Print ISSN: 0043-5325
Elektronische ISSN: 1613-7671
DOI
https://doi.org/10.1007/s00508-015-0871-y

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