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  • Title: Reintervention after EVAR and open surgical repair of AAA: a 15-year experience.
    Author: Al-Jubouri M, Comerota AJ, Thakur S, Aziz F, Wanjiku S, Paolini D, Pigott JP, Lurie F.
    Journal: Ann Surg; 2013 Oct; 258(4):652-7; discussion 657-8. PubMed ID: 24002301.
    Abstract:
    OBJECTIVE: This study examined the frequency and reason for reinterventions and their impact on survival in contemporaneously treated cohorts of EVAR and open surgical repair (OSR) patients. BACKGROUND: EVAR has largely replaced OSR for anatomically appropriate AAA because of improved short-term outcomes. However, EVAR is associated with a notable reintervention rate. METHODS: Data for patients undergoing elective AAA repair between 1996 and 2011 were collected and analyzed to assess time from initial procedure to reintervention and rate of reintervention. Patient demographics, comorbidities, number and type of reinterventions, graft type, and timing of reintervention were analyzed. RESULTS: A total of 1144 patients underwent AAA repair; 558 had EVAR and 586 had OSR. In 76 EVAR patients, 123 reinterventions were performed; 46 reinterventions were performed in 30 OSR patients (P < 0.0001). Endoleak was responsible for 66% of EVAR reinterventions; colonic ischemia, bleeding, and incisional hernias caused 30%, 22%, and 22% of OSR reinterventions, respectively. Time to first reintervention was shorter in OSR patients (P < 0.001) and was related to AAA size (P < 0.001). Early reintervention at the index procedure in OSR patients had a 23% mortality rate. If reinterventions were not required, survival curves were similar. Current endografts require fewer reinterventions than earlier generation endografts. CONCLUSIONS: Reintervention was more common with EVAR and occurred later. Early reintervention after OSR is associated with significant mortality. If early reintervention in OSR patients can be avoided, there is no early survival advantage to EVAR. Current endografts require fewer reinterventions than earlier devices.
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