Concomitant Acute Hepatic Failure and Renal Failure Induced by Intravenous Amiodarone: A Case Report and Literature Review
Bibliographic record
Abstract
Hepatotoxicity caused by chronic oral amiodarone is well documented with around 15-20% incidence rate. However, acute liver failure due to intravenous (IV) amiodarone is rare clinical presentation with 3% incidence rate. Incidence of concomitant renal failure is even rarer. There is no full explanation for the underlying mechanism. Herein, we are presenting a rare case of concomitant acute hepatic failure and acute-on-chronic renal injury induced by use of IV amiodarone. A 67-year-old man with past medical history of coronary artery disease s/p coronary artery bypass graft (CABG), history of alcoholism, and chronic kidney disease stage 3 presented with chest pain for 1 week. In the emergency department (ED), he was found to have atrial flutter. Due to unresponsiveness to IV β-blocker and diltiazem, the patient was loaded with IV amiodarone and continued IV amiodarone drip. His liver function tests (LFTs) and renal functions at the time of administration of IV amiodarone were aspartate transaminase (AST) 176 (10 - 42 IU/L) and alanine transaminase (ALT) 208 (10 - 60 IU/L), international normalized ratio (INR) 1.39 (reference value 2 - 3), blood urea nitrogen (BUN) 37 (5 - 25 mg/dL), and creatinine 1.85. Sixteen hours later patient developed acute hepatic failure with AST 4,250 (reference value 10 - 42 IU/L), ALT 2,422 (10 - 60 IU/L), INR 2.28, and acute renal failure with creatinine of 3.2 mg/dL (0.44 - 1.0 mg/dL), and BUN of 44 mg/d (5 - 25 mg/dL). Patient was intubated due to acute hepatic encephalopathy and sent to intensive care unit (ICU). IV amiodarone was stopped immediately. All workup for other causes of acute hepatic failure came back negative. He was started on IV N-acetylcysteine and required hemodialysis for acute-on-chronic renal failure. LFTs peaked 72 h after discontinuation of amiodarone. Kidney functions started to improve 5 days after discontinuation of amiodarone and patient came off hemodialysis. Acute hepatic failure as result of IV amiodarone is a rare presentation; however, it has a high mortality. Risk factors include low ejection fraction, hepatic congestion and pre-existing hepatic dysfunction. No obvious underlying mechanism to this presentation has been fully explained. Acute renal failure can be associated with this presentation which is even rarer. Stopping IV amiodarone, administering N-acetylcysteine and good supportive care can lead to favorable outcome.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.004 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".