A fatal case of metformin-associated lactic acidosis

Toshikazu Ozeki, Rui Kawato, Mitsuru Watanabe, Shun Minatoguchi, Yukari Murai, Akihiro Ryuge, Koji Takasugi, Takuya Hamada, Yukako Oyama, Atsushi Nomura, Tatsuhito Tomino, Hideaki Shimizu, Yoshiro Fujita

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


A 72-year-old woman with a history of type 2 diabetes mellitus was brought to the ER with metforminassociated lactic acidosis. She received continuous hemofiltration and hemodialysis, but the laboratory analyses showed no improvement. She died 11 hours after admission. Metformin is minimally bound to proteins and is readily dialyzable, but a prolonged period of dialysis is required, because metformin has a very large distribution volume and is distributed to multiple compartments. The peak blood metformin level was 432 mg/L in this case, which is one of the highest metformin concentrations ever reported, and eight hours of hemodialysis were not sufficient to reduce the serum level.

Original languageEnglish
Pages (from-to)775-778
Number of pages4
JournalInternal Medicine
Issue number7
Publication statusPublished - 01-04-2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Internal Medicine


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