What does this research mean for the field?

In patients with acute valproic acid intoxication, the presence of metabolic acidosis and an initial serum valproic acid concentration exceeding 115.0 μg/mL are significant predictors of developing hematotoxicity. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To identify clinical and laboratory factors that predict hematologic toxicity in patients presenting with acute valproic acid intoxication.

December 31, 2025Journal of the Korean society of clinical toxicologyOpen Access

Prediction of Hematotoxicity in Patients with Acute Valproic Acid Intoxication

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Authors

JLJiwon Lee KCKyungman ChaSt. Vincent's Hospital WJWon Jung JeongSt. Vincent's Hospital

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Implication

Retrospective observational study reveals predictors of hematotoxicity in acute valproic acid poisoning, indicating high drug levels and metabolic acidosis signal worse outcomes.

Key Points

To identify clinical and laboratory factors that predict hematologic toxicity in patients presenting with acute valproic acid intoxication.
Single-center retrospective observational study reviewing medical records of emergency department patients with acute valproic acid poisoning between 2013 and 2022 (N=115).
Patients were categorized and compared based on whether they developed hematologic toxicity (hematotoxicity group, n=23) or did not (non-hematotoxicity group, n=92).
Hematotoxicity developed in 20% (23/115) of patients, who presented with higher median serum valproic acid levels (121.6 μg/mL vs lower, p<0.001) and lower median Glasgow Coma Scale scores (12 vs higher, p=0.013).
Patients with hematotoxicity experienced significantly higher rates of ICU admission (p=0.003), pneumonia (p<0.001), acute kidney injury (p<0.001), rhabdomyolysis (p<0.001), and hyperlactatemia (p=0.009).
Multivariate analysis demonstrated that an initial valproic acid concentration exceeding 115.0 μg/mL (OR 8.32, p<0.001) and presence of metabolic acidosis (OR 6.20, p=0.018) independently predicted hematotoxicity.

Cite This Study

Lee et al. (2025) studied this question.

synapsesocial.com/papers/6a65a3a9fbf3afd72ce9098d https://doi.org/10.22537/jksct.2025.00002

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Implication

Retrospective observational study reveals predictors of hematotoxicity in acute valproic acid poisoning, indicating high drug levels and metabolic acidosis signal worse outcomes.

Prediction of Hematotoxicity in Patients with Acute Valproic Acid Intoxication

Discussion

Member takes

Implication

Key Points

Cite This Study

Prediction of Hematotoxicity in Patients with Acute Valproic Acid Intoxication

Discussion

Member takes

Implication

Key Points

Cite This Study

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