Hepatopancreaticobiliary Values after Thoracoabdominal Aneurysm Repair

Aorta : Official Journal of the Aortic Institute at Yale-New Haven Hospital
Darrell WuScott A Lemaire

Abstract

After thoracoabdominal aortic aneurysm (TAAA) repair, blood tests assessing hepatopancreaticobiliary (HPB) organs commonly have abnormal results. The clinical significance of such abnormalities is difficult to determine because the expected postoperative levels have not been characterized. Therefore, we sought to establish expected trends in HPB laboratory values after TAAA repair. This 5-year study comprised 155 patients undergoing elective Crawford extent II TAAA repair. In accordance with a prospective study protocol, all repairs involved left-sided heart bypass, selective visceral perfusion, and cold renal perfusion. Blood levels of aspartate transaminase (AST), alanine transaminase (ALT), γ-glutamyl transpeptidase (GGT), lactate dehydrogenase (LDH), total bilirubin, amylase, and lipase were measured before TAAA repair and for 7 days afterward. Ratios between postoperative and baseline levels were compared for each time point with 95% confidence intervals. Temporal patterns for the laboratory values varied greatly. Amylase, lipase, and AST underwent significant early increases before decreasing to preoperative levels. LDH increased immediately and remained significantly elevated, whereas ALT increased more gradually. GGT re...Continue Reading

Citations

Jun 1, 2019·Indian Journal of Thoracic and Cardiovascular Surgery : Official Organ, Association of Thoracic and Cardiovascular Surgeons of India·Richard S Whitlock, Joseph S Coselli

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