RETROSPECTIVE COHORT STUDY ON EVAR OPEN SURGICAL CONVERSION: FOCUS ON ENDOLEAKS WRONG PRE OPERATIVE CATEGORISATION - Université de Picardie Jules Verne Accéder directement au contenu
Article Dans Une Revue Annals of Vascular Surgery Année : 2024

RETROSPECTIVE COHORT STUDY ON EVAR OPEN SURGICAL CONVERSION: FOCUS ON ENDOLEAKS WRONG PRE OPERATIVE CATEGORISATION

Résumé

Introduction: Late open conversion (LOC) following endovascular aneurysm repair (EVAR) is a rare complication with a high morbidity and mortality and is often proposed as the last line of treatment after failure of endovascular reintervention of any type. This study aimed to highlights the limitations of EVAR follow-up imaging in characterizing endoleaks, which may contribute to the failure of endovascular reinterventions and lead to LOC. Methods: This retrospective cohort study recruited all EVAR implanted in Amiens University Hospital (France) between January 2008 and December 2022. Elective LOC was defined as surgical conversion > 1 month after EVAR. The primary endpoint was the rate of wrong categorisation of endoleaks by follow-up exams before LOC. Secondary endpoints were the morbidity and the mortality associated with LOC. Results: Seven hundred and eight EVAR were performed in our institution, 30 required elective LOC. Twenty-five of them were treated for sac enlargement due to an endoleak (83,3%) (all types). Wrong categorisation of the endoleak was noted in 13 of the patients (52.2%). Twelve of these re-categorisations involved the preoperative diagnosis of a type II endoleaks (92.3%). The change in categorisation in 7 out of 12 cases (58%) was in favor of a type I endoleak, other re-categorisation included 1 Type III (8%), 4 Types IV (33%). One patient died during 30 days post-operative period and 7 patients (28%) presented a major complication, the median length of stay was 13 days (IQR 9-21). Conclusion: Routine follow-up examinations such as angioscanner and contrast Doppler ultrasound appear to be limited in their ability to categorise the type of persistent endoleak, which may increase the number of patients requiring LOC. New precision diagnostic imaging techniques, such as dynamic examinations, need to be developed to limit the need for LOC.

Domaines

Chirurgie
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Dates et versions

hal-04635541 , version 1 (04-07-2024)

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Citer

S. Roisin, Soudet S, Mage A, Reix T. RETROSPECTIVE COHORT STUDY ON EVAR OPEN SURGICAL CONVERSION: FOCUS ON ENDOLEAKS WRONG PRE OPERATIVE CATEGORISATION. Annals of Vascular Surgery, 2024, ⟨10.1016/j.avsg.2024.04.011⟩. ⟨hal-04635541⟩

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