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Review
. 2023 Nov;27(11):2640-2649.
doi: 10.1007/s11605-023-05834-2. Epub 2023 Oct 2.

Postoperative Liver Failure: Definitions, Risk factors, Prediction Models and Prevention Strategies

Katiuscha Merath  1 , Ankur Tiwari  1 , Colin Court  1 , Alexander Parikh  1 , Mary Dillhoff  2 , Jordan Cloyd  2 , Aslam Ejaz  2 , Timothy M Pawlik  3
Affiliations
Review

Postoperative Liver Failure: Definitions, Risk factors, Prediction Models and Prevention Strategies

Katiuscha Merath et al. J Gastrointest Surg. 2023 Nov.

Abstract

Background: Liver resection is the treatment for a variety of benign and malignant conditions. Despite advances in preoperative selection, surgical technique, and perioperative management, post hepatectomy liver failure (PHLF) is still a leading cause of morbidity and mortality following liver resection.

Methods: A review of the literature was performed utilizing MEDLINE/PubMed and Web of Science databases in May of 2023. The MESH terms "liver failure," "liver insufficiency," and "hepatic failure" in combination with "liver surgery," "liver resection," and "hepatectomy" were searched in the title and/or abstract. The references of relevant articles were reviewed to identify additional eligible publications.

Results: PHLF can have devastating physiological consequences. In general, risk factors can be categorized as patient-related, primary liver function-related, or perioperative factors. Currently, no effective treatment options are available and the management of PHLF is largely supportive. Therefore, identifying risk factors and preventative strategies for PHLF is paramount. Ensuring an adequate future liver remnant is important to mitigate risk of PHLF. Dynamic liver function tests provide more objective assessment of liver function based on the metabolic capacity of the liver and have the advantage of easy administration, low cost, and easy reproducibility.

Conclusion: Given the absence of randomized data specifically related to the management of PHLF, current strategies are based on the principles of management of acute liver failure from any cause. In addition, goal-directed therapy for organ dysfunction, as well as identification and treatment of reversible factors in the postoperative period are critical.

Keywords: Future liver remnant; Hepatectomy; Liver failure; Liver insufficiency; Liver resection.

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