Gabriele Piffaretti1, Federico Fontana2, Marco Tadiello1, Chiara Guttadauro1, Filippo Piacentino2, Ruth L Bush3, Anna Maria Socrate4, Matteo Tozzi1. 1. Vascular Surgery, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria School of Medicine, Varese, Italy. 2. Interventional Radiology, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria School of Medicine, Varese, Italy. 3. University of Houston College of Medicine, Houston, TX, USA. 4. Vascular Surgery, ASST Ovest Milano, Legnano, Italy.
Abstract
BACKGROUND: To analyze our experience and to describe access and arch-related challenges when performing thoracic endovascular aortic repair (TEVAR) for penetrating aortic ulcers (PAUs). METHODS: This is a single-center, observational, cohort study. Between October 2003 and February 2019, 48 patients with PAU were identified; 37 (77.1%) treated with TEVAR were retrospectively analyzed. Primary major outcomes were early (<30 days) and late survival, freedom from aortic-related mortality (ARM), and a composite endpoint of arch/vascular access-related complications. RESULTS: On admission, 17 (45.9%) patients were symptomatic with 4 (10.8%) presenting with rupture. In-hospital mortality was 8.1% (n=3). We observed 10 (27.0%) arch/access-related complications. There were 4 (10.8%) arch issues: 2 transient ischemic attacks and 2 retrograde acute type A dissections which required emergent open conversion for definitive repair. Access issues occurred in 6 (16.2%) patients: 3 (8.1%) required common iliac artery conduit, and 1 (2.7%) patient required iliac artery angioplasty to deliver the stent-graft. In addition, 2 (5.4%) patients developed access complications which required operative repair [femoral patch angioplasty (n=2), and femoral pseudoaneurysmectomy (n=1)]. Arch/access-related mortality rate was 5.4% (n=2) and median follow-up was 24 (range, 1-156; IQR, 3-52) months. Estimated survival was 87.1% (standard error: 0.6; 95% CI: 71.2-84.9%) at 1 year, and 63.3% (SE: 0.9; 95% CI: 44.1-79%) at 4 years. Estimated freedom from reintervention was 88.9% (SE: 0.5; 95% CI: 74.8-95.6%) at 1 year, and 84.2% (SE: 0.7; 95% CI: 67.3-93.2%) at 4 years. No arch/access-related issues developed during the follow-up period. CONCLUSIONS: Our experience confirms that vascular access and aortic arch issues are still a challenging aspect of performing TEVAR for PAUs. Our cumulative 27% rate of access/arch issues is lower than previously reported due to both technological advancements and meticulous management of both access routes and arch anatomy.
BACKGROUND: To analyze our experience and to describe access and arch-related challenges when performing thoracic endovascular aortic repair (TEVAR) for penetrating aortic ulcers (PAUs). METHODS: This is a single-center, observational, cohort study. Between October 2003 and February 2019, 48 patients with PAU were identified; 37 (77.1%) treated with TEVAR were retrospectively analyzed. Primary major outcomes were early (<30 days) and late survival, freedom from aortic-related mortality (ARM), and a composite endpoint of arch/vascular access-related complications. RESULTS: On admission, 17 (45.9%) patients were symptomatic with 4 (10.8%) presenting with rupture. In-hospital mortality was 8.1% (n=3). We observed 10 (27.0%) arch/access-related complications. There were 4 (10.8%) arch issues: 2 transient ischemic attacks and 2 retrograde acute type A dissections which required emergent open conversion for definitive repair. Access issues occurred in 6 (16.2%) patients: 3 (8.1%) required common iliac artery conduit, and 1 (2.7%) patient required iliac artery angioplasty to deliver the stent-graft. In addition, 2 (5.4%) patients developed access complications which required operative repair [femoral patch angioplasty (n=2), and femoral pseudoaneurysmectomy (n=1)]. Arch/access-related mortality rate was 5.4% (n=2) and median follow-up was 24 (range, 1-156; IQR, 3-52) months. Estimated survival was 87.1% (standard error: 0.6; 95% CI: 71.2-84.9%) at 1 year, and 63.3% (SE: 0.9; 95% CI: 44.1-79%) at 4 years. Estimated freedom from reintervention was 88.9% (SE: 0.5; 95% CI: 74.8-95.6%) at 1 year, and 84.2% (SE: 0.7; 95% CI: 67.3-93.2%) at 4 years. No arch/access-related issues developed during the follow-up period. CONCLUSIONS: Our experience confirms that vascular access and aortic arch issues are still a challenging aspect of performing TEVAR for PAUs. Our cumulative 27% rate of access/arch issues is lower than previously reported due to both technological advancements and meticulous management of both access routes and arch anatomy.
Entities:
Keywords:
Thoracic penetrating aortic ulcers (thoracic PAUs); access complications; retrograde type A dissection; stroke after thoracic endovascular aortic repair (stroke after TEVAR)
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