Does surgical companionship modify the learning curve of fenestrated and branched endovascular aortic repair? - Université de Lille Accéder directement au contenu
Article Dans Une Revue European Journal of Cardio-Thoracic Surgery Année : 2023

Does surgical companionship modify the learning curve of fenestrated and branched endovascular aortic repair?

Résumé

OBJECTIVES The goal of this study was to describe the learning curve of an operator trained in an aortic centre during the first years of performing fenestrated/branched endovascular aortic repairs independently. METHODS Patients electively treated with fenestrated/branched stent grafts from January 2013 to March 2020 were included retrospectively. Groups were defined according to the treating operator: experienced operator (group 1), early-career operator (group 2) or both during a 14-month surgical companionship period (group 3). The early-career operator’s learning curve was assessed using a cumulative sum analysis. A composite criterion including technical failure, death and/or any major adverse event was evaluated in a logistic regression model. RESULTS Overall, 437 patients (93% male; median 69 (63, 77) years old) were included (group 1: n = 240; group 2: n = 173; group 3: n = 24). There were significantly more extended thoraco-abdominal aneurysms (extent I, II, III and V) in group 1 compared to group 2 [n = 68 (28%) vs 19 (11%), P<0.001]. The technical success rate was 94% (P=0.874). The 30-day mortality and/or major adverse event rates in juxta-/pararenal aneurysms or extent IV thoraco-abdominal aneurysms were 8.1% in group 1 and 9.7% in group 2 (P = 0.612), whereas they were 10% (group 1) and 0 (group 2) for extended thoraco-abdominal aneurysms (P=0.339). The adjusted cumulative sum analysis highlighted satisfactory results from the beginning of the experience. The operator’s experience was not predictive of the composite criterion [adjusted OR 0.77; 95% (0.42, 1.40); P=0.40]. CONCLUSIONS This study demonstrated favourable outcomes in patients treated with a fenestrated/branched aortic stent graft performed by an early-career operator trained in a high-volume centre from the beginning of independent practice.
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Dates et versions

hal-04477388 , version 1 (26-02-2024)

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Thomas Mesnard, Clément Jeanneau, Benjamin O Patterson, Maxime Dubosq, Alberto Vidal-Diez, et al.. Does surgical companionship modify the learning curve of fenestrated and branched endovascular aortic repair?. European Journal of Cardio-Thoracic Surgery, 2023, European Journal of Cardio-Thoracic Surgery, 63 (6), ⟨10.1093/ejcts/ezad204⟩. ⟨hal-04477388⟩
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