J Korean Soc Clin Toxicol.  2018 Dec;16(2):165-171. 10.22537/jksct.16.2.165.

Extracorporeal Membrane Oxygenation and Continuous Renal Replacement Therapy for Treatment of Calcium Channel Blockers, Angiotensin II Receptor Blockers, and Metformin Overdose

  • 1Department of Thoracic and Cardiovascular Surgery, Chosun University College of Medicine, Gwangju, Korea.
  • 2Department of Emergency Medicine, Chosun University College of Medicine, Gwangju, Korea. skhkorea@hanmail.net


An overdose of antihypertensive agents, such calcium channel blockers (CCBs) and angiotensin II receptor blocker (ARBs), and the antihyperglycemic agent, metformin, leads to hypotension and lactic acidosis, respectively. A 40-year-old hypertensive and diabetic man with hyperlipidemia and a weight of 110 kg presented to the emergency room with vomiting, dizziness, and hypotension following an attempted drug overdose suicide with combined CCBs, ARBs, 3-hydroxy-3-methylglutaryl-coemzyme A reductase inhibitors, and metformins. A conventional medical treatment initially administered proved ineffective. The treatment was then changed to simultaneous extracorporeal membrane oxygenation (ECMO) and continuous renal replacement therapy (CRRT), which was effective. This shows that simultaneous ECMO and CRRT can be an effective treatment protocol in cases of ineffective conventional medical therapy for hypotension and lactic acidosis due to an overdose of antihypertensive agents and metformin, respectively.


Calcium channel blockers; Angiotensin receptor antagonist; Metformin; Extracorporeal membrane oxygenation; Renal replacement therapy
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