Impact of distal aortic and visceral perfusion on liver function during thoracoabdominal and descending thoracic aortic repair

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Abstract

Purpose: We examined the impact of distal aortic and visceral perfusion on liver function during thoracoabdominal and descending thoracic aortic repair. Methods: Between January 1991 and July 1996, 367 patients underwent thoracoabdominal and descending thoracic aortic repair. Baseline and postoperative total billirubin, alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, lactate dehydrogenase, fibrinogen, prothrombin time (PT), and partial thromboplastin time (PTT) were measured for 286 patients. We examined the impact of distal aortic and direct visceral perfusion on liver function-related clinical laboratory values. Univariate and multivariate statistical methods for categorical and continuous variables were used. Results: In categorical analysis, type II thoracoabdominal aortic aneurysm, history of hepatitis, and emergency presentation had a statistically significant multivariate association with abnormal laboratory values. In continuous-distributed multivariate data analysis, type II thoracoabdominal aortic aneurysm and visceral perfusion were statistically significant predictors of postoperative alkaline phosphatase, PT, and PTT. Type II aneurysms increased postoperative liver function-related laboratory values significantly above other aneurysm types (alkaline phosphatase, +114 IU, p < 0.0001; PT, +1.99 seconds, p < 0.02; PTT, +6.7 seconds, p < 0.03). Visceral perfusion was associated with a concomitant decrease (alkaline phosphatase, -101.2 IU, p < 0.0001; PT, -1.8 seconds, p < 0.07; PTT, -5.6 seconds, p (0.02). Conclusions: Visceral perfusion negates the rise in postoperative liver function-related clinical laboratory values associated with type II thoracoabdominal aortic aneurysm repair.

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Safi, H. J., Miller, C. C., Yawn, D. H., Iliopoulos, D. C., Subramaniam, M., Harlin, S., … Ernst, C. B. (1998). Impact of distal aortic and visceral perfusion on liver function during thoracoabdominal and descending thoracic aortic repair. Journal of Vascular Surgery, 27(1), 145–153. https://doi.org/10.1016/S0741-5214(98)70301-5

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