Early Enlargement of Aneurysmal Sac and Separation of EndoBags of Nellix Endovascular Aneurysm Sealing System as Signs of Increased Risk of Later Aneurysm Rupture

Journal Article · Tue Nov 15 04:00:00 EST 2016 · Cardiovascular and Interventional Radiology

DOI:https://doi.org/10.1007/S00270-016-1416-0· OSTI ID:22642466

Cheung, Kwok Fai; Chan, Kwong Man ^[1]; Ma, Johnny Ka Fai; Luk, Wing Hang ^[2]; Chan, Micah Chi King ^[1]; Ng, Carol Wing Kei; Mahboobani, Neeraj Ramesh ^[2]; Ng, Wai Kin ^[1]; Wong, Ting ^[2]

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1. Princess Margaret Hospital, Department of Surgery (China)
2. Princess Margaret Hospital, Department of Radiology (China)

Nellix Endovascular Aneurysm Sealing (EVAS) system is a new concept and technology of abdominal aortic aneurysm (AAA) repair. Elective EVAS using Nellix device was performed for a 83-year-old man with AAA. 2-month post-EVAS CTA surveillance demonstrated mild enlargement of aneurysmal sac and separation of the EndoBags, but without detectable endoleak. The patient developed sudden AAA rupture with retroperitoneal hematoma at about 4 months after EVAS. We postulated that early enlargement of aneurysmal sac and separation of EndoBags of Nellix devices after EVAS, even without detectable endoleak, might indicate significant aneurysmal wall weakening with increased risk of later AAA rupture. To the best of the authors’ knowledge, this was the first reported case of aortic rupture after EVAS without detectable endoleak during and after the procedure.

• OSTI ID: 22642466
• Journal Information: Cardiovascular and Interventional Radiology, Journal Name: Cardiovascular and Interventional Radiology Journal Issue: 11 Vol. 39; ISSN 0174-1551; ISSN CAIRDG
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
BIOMEDICAL RADIOGRAPHY
EQUIPMENT
HAZARDS
HEMATOMAS
INSPECTION
MEDICAL SURVEILLANCE
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REPAIR
RUPTURES
SURGERY
VASCULAR DISEASES