Yolanda Bryce1, Wonho Kim2, Barry Katzen3, James Benenati3, Shaun Samuels4. 1. Memorial Sloan Kettering Cancer Center, 300 E 66(th) Street, New York, NY 10065. Electronic address: brycey@mskcc.org. 2. Division of Cardiology, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Republic of Korea. 3. Miami Cardiac and Vascular Institute, Miami, Florida. 4. Aventura Hospital and Medical Center, Aventura, Florida.
Abstract
PURPOSE: To assess differences in outcome in an early and later time period in patients with hostile neck anatomy who underwent endovascular aneurysm repair (EVAR). MATERIALS AND METHODS: This single-center, institutional review board-approved retrospective study assessed patients who underwent EVAR between 2004 and 2013, divided into 2 time periods: 2004-2008 and 2009-2013. One hundred twenty-five patients had at least 1 hostile neck parameter that met inclusion criteria: 61 of 216 (28%) patients in the early period and 64 of 144 (44%) patients in the late period. Patients in the late group were younger compared to patients in the early group (late group, 74.5 ± 8.8 years vs early group, 77.5 ± 7.5 years; P = .046). No significant differences were observed in hostile neck anatomic factors between the early and late periods. RESULTS: No statistical difference was observed in periprocedural factors or outcome measures, except for abdominal aortic aneurysm (AAA) sac regression in the late period compared to the early period (late period, 73.5% vs early period, 55.7%; P = .038). A statistically significant increase was observed in type 1a endoleaks in patients in the late group with suprarenal fixation compared to patients with infrarenal fixation (suprarenal, 27.0% vs infrarenal, 7.9%; P = .025) and in the overall time studied (suprarenal, 20.3% vs infrarenal, 7.6%; P = .045). CONCLUSIONS: Except for AAA sac regression, no changes were observed in periprocedural factors and outcome measures over time in patients with hostile neck who underwent EVAR.
PURPOSE: To assess differences in outcome in an early and later time period in patients with hostile neck anatomy who underwent endovascular aneurysm repair (EVAR). MATERIALS AND METHODS: This single-center, institutional review board-approved retrospective study assessed patients who underwent EVAR between 2004 and 2013, divided into 2 time periods: 2004-2008 and 2009-2013. One hundred twenty-five patients had at least 1 hostile neck parameter that met inclusion criteria: 61 of 216 (28%) patients in the early period and 64 of 144 (44%) patients in the late period. Patients in the late group were younger compared to patients in the early group (late group, 74.5 ± 8.8 years vs early group, 77.5 ± 7.5 years; P = .046). No significant differences were observed in hostile neck anatomic factors between the early and late periods. RESULTS: No statistical difference was observed in periprocedural factors or outcome measures, except for abdominal aortic aneurysm (AAA) sac regression in the late period compared to the early period (late period, 73.5% vs early period, 55.7%; P = .038). A statistically significant increase was observed in type 1a endoleaks in patients in the late group with suprarenal fixation compared to patients with infrarenal fixation (suprarenal, 27.0% vs infrarenal, 7.9%; P = .025) and in the overall time studied (suprarenal, 20.3% vs infrarenal, 7.6%; P = .045). CONCLUSIONS: Except for AAA sac regression, no changes were observed in periprocedural factors and outcome measures over time in patients with hostile neck who underwent EVAR.
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