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- W2939779782 abstract "Background Fenestrated/branched endografts for aortic repair (FB-EVAR) are valid options to treat thoracoabdominal aortic aneurysms (TAAAs). Successful repair requires manipulation of target visceral vessels (TVVs) with possible splanchnic ischemia. The aim of the study was to evaluate the clinical impact of splanchnic ischemia occurring in FB-EVAR for TAAA. Methods Between 2010 and 2015, patients with TAAAs undergoing FB-EVAR were prospectively enrolled. Clinical, morphological, procedural, and 30-day data were evaluated. Splanchnic ischemia was defined as the presence of splanchnic ischemic lesions (SILs) visible at perioperative computed tomography angiography. Preoperative, postoperative, and 30-day hepatic/pancreatic/renal laboratory functions were analyzed. End points were incidence of SILs, laboratory splanchnic functions worsening (≥25% of baseline), and presence of related clinical/morphological and procedural risk factors. Results Thirty-six patients (male: 78%; age: 73 ± 7 years) with 27 (75%) type I-III and 9 (25%) type IV TAAA who underwent FB-EVAR for a total of 127 TVV (branches: 47–60%; fenestrations: 53–67%). Fourteen SILs occurred in 12 (33%) patients: 4 (29%) in pancreas, 3 (21%) in spleen, 2 (14%) in bowel, 5 (36%) in kidney. The cause was embolic in 79% and thrombotic in 21%. No preoperative clinical/morphological data or procedural data were correlated with SIL. Pancreatic, hepatic, or renal function worsening occurred at 24 hr in 16 (44%), 16 (44%), and 9 (25%) cases, respectively. Overall, SILs were associated with increased values of C-reactive protein (CRP) (17.9 ± 0.4 vs. 9.9 ± 9.0 mg/dL; P = 0.03) and bilirubin (1.2 ± 2.3 vs. 1.0 ± 0.5 mg/dL; P = 0.02) at 24 hr. Specifically, SIL of the celiac trunk and superior mesenteric and renal arteries' parenchyma were associated with the significant laboratory function changes 24 hr. SIL of the superior mesenteric artery was associated with increased 30-day mortality (50% vs. 7 %; P = 0.002). Pancreatic, hepatic, or renal function worsening occurred at 30 days in 2 (6%), 0 (0%), and 4 (12%) cases, with similar laboratory tests in patients with and without SIL. Conclusions SIL can be frequently detected after FB-EVAR for TAAA and appears mainly of embolic origin. No clinical, morphological, or procedural predictors could be identified in our series. Postoperative laboratory changes of CRP, bilirubin, activated partial thromboplastin time, and amylases are associated with SIL but disappear without clinical consequences within 30 days. However, SIL occurring in the superior mesenteric artery are associated with an increased 30-day mortality. Fenestrated/branched endografts for aortic repair (FB-EVAR) are valid options to treat thoracoabdominal aortic aneurysms (TAAAs). Successful repair requires manipulation of target visceral vessels (TVVs) with possible splanchnic ischemia. The aim of the study was to evaluate the clinical impact of splanchnic ischemia occurring in FB-EVAR for TAAA. Between 2010 and 2015, patients with TAAAs undergoing FB-EVAR were prospectively enrolled. Clinical, morphological, procedural, and 30-day data were evaluated. Splanchnic ischemia was defined as the presence of splanchnic ischemic lesions (SILs) visible at perioperative computed tomography angiography. Preoperative, postoperative, and 30-day hepatic/pancreatic/renal laboratory functions were analyzed. End points were incidence of SILs, laboratory splanchnic functions worsening (≥25% of baseline), and presence of related clinical/morphological and procedural risk factors. Thirty-six patients (male: 78%; age: 73 ± 7 years) with 27 (75%) type I-III and 9 (25%) type IV TAAA who underwent FB-EVAR for a total of 127 TVV (branches: 47–60%; fenestrations: 53–67%). Fourteen SILs occurred in 12 (33%) patients: 4 (29%) in pancreas, 3 (21%) in spleen, 2 (14%) in bowel, 5 (36%) in kidney. The cause was embolic in 79% and thrombotic in 21%. No preoperative clinical/morphological data or procedural data were correlated with SIL. Pancreatic, hepatic, or renal function worsening occurred at 24 hr in 16 (44%), 16 (44%), and 9 (25%) cases, respectively. Overall, SILs were associated with increased values of C-reactive protein (CRP) (17.9 ± 0.4 vs. 9.9 ± 9.0 mg/dL; P = 0.03) and bilirubin (1.2 ± 2.3 vs. 1.0 ± 0.5 mg/dL; P = 0.02) at 24 hr. Specifically, SIL of the celiac trunk and superior mesenteric and renal arteries' parenchyma were associated with the significant laboratory function changes 24 hr. SIL of the superior mesenteric artery was associated with increased 30-day mortality (50% vs. 7 %; P = 0.002). Pancreatic, hepatic, or renal function worsening occurred at 30 days in 2 (6%), 0 (0%), and 4 (12%) cases, with similar laboratory tests in patients with and without SIL. SIL can be frequently detected after FB-EVAR for TAAA and appears mainly of embolic origin. No clinical, morphological, or procedural predictors could be identified in our series. Postoperative laboratory changes of CRP, bilirubin, activated partial thromboplastin time, and amylases are associated with SIL but disappear without clinical consequences within 30 days. However, SIL occurring in the superior mesenteric artery are associated with an increased 30-day mortality." @default.
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- W2939779782 date "2019-08-01" @default.
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- W2939779782 title "The Clinical Impact of Splanchnic Ischemia on Patients Affected by Thoracoabdominal Aortic Aneurysms Treated with Fenestrated and Branched Endografts" @default.
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- W2939779782 doi "https://doi.org/10.1016/j.avsg.2019.01.026" @default.
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