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Rivista di Chirurgia Cardiaca, Vascolare e Toracica

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The Journal of Cardiovascular Surgery 2018 Apr 03

DOI: 10.23736/S0021-9509.18.10446-0


lingua: Inglese

Systematic review of type IIIb endoleak after elective endovascular aneurysm repair

Christopher LOWE 1 , Vivak HANSRANI 2, Manmohan MADAN 1, George A. ANTONIOU 1

1 Department of Vascular & Endovascular Surgery, The Royal Oldham Hospital, Pennine Acute Hospitals NHS Trust, Manchester, UK; 2 University of Manchester, Division of Cardiovascular Sciences, Academic Surgery Unit, University Hospital of South Manchester NHS Trust, Manchester, UK


INTRODUCTION: To investigate the presentation, aetiology, management and outcomes of type IIIb endoleak after endovascular aneurysm repair (EVAR).
EVIDENCE ACQUISITION: Electronic bibliographic databases were searched to identify published reports of type IIIb endoleak after EVAR, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) standards.
EVIDENCE SYNTHESIS: In total 33 articles were identified reporting on a total of 50 patients spanning 19 years of EVAR (1998-2017). Some 11 device-types were used. The median time from implantation to intervention was 27 months (0-168). There was a significant aneurysm sac expansion in 69% of reported cases. Thirteen patients (26%) presented with aneurysm rupture. A definitive diagnosis of type IIIb endoleak made on computed tomographic angiography (CTA) in only 20% of cases. Proposed failure modes included suture breakage, graft erosion by stents, iatrogenic, graft infection and presumed manufacturing faults. Endoleak location was in the main body in 81% of reported cases. Almost one third (31%) of patients were treated with open repair. The remaining patients were treated with endovascular techniques or hybrid procedures. Some novel off-label endovascular solutions were proposed to maintain a bifurcated configuration. Thirty-day mortality in patients treated for aneurysm rupture was 50%. The 30-day mortality rate in non- rupture cases was 2% (endovascular 0% treatment, open 2%).
CONCLUSIONS: Type IIIb endoleak is a serious condition associated with a significant risk of rupture. Definitive diagnosis is challenging and has been described in almost all conventional devices. Most patients can be treated successfully by endovascular means, though maintaining a bifurcated configuration may require non-standard techniques or off-label use.

KEY WORDS: Endovascular aneurysm repair - EVAR - Abdominal aortic aneurysm - Endoleak

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Publication History

Article first published online: April 3, 2018
Manuscript accepted: April 3, 2018
Manuscript received: February 13, 2018

Per citare questo articolo

Lowe C, Hansrani V, Madan M, Antoniou GA. Systematic review of type IIIb endoleak after elective endovascular aneurysm repair. J Cardiovasc Surg 2018 Apr 03. DOI: 10.23736/S0021-9509.18.10446-0

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