Abstract
We report a case of an adult patient using chronic low-dose verapamil who developed severe verapamil intoxication. A 57-year-old male patient was presented at the emergency room after a collapse of unknown etiology. The airway was compromised, and thus, an endotracheal tube was inserted. The patient deteriorated hemodynamically. Because of verapamil use and bradycardia, verapamil intoxication was suspected. The treatment was supported with intravenous fluids, calcium, inotropes, and a transvenous pacemaker. The patient progressively developed circulatory shock. Verapamil intoxication was confirmed, and therapy was adjusted accordingly. Insulin and calcium infusion were intensified, and glucagon and Intralipid® infusion were initiated. With this therapy, the patient’s condition improved rapidly. We found different factors in this patient that could have precipitated this event such as diminished metabolism by cytochrome P450 iso-enzymes, a slightly diminished renal function with hypoalbuminemia, and interaction with other protein-binding drugs.
References
1. De Simona A, De Pasquale M, De Matteis C, Canciello M, Manzo M, Sabino L, et al. Verapamil plus antiarrhythmic drugs reduce atrial fibrillation recurrences after an electrical cardioversion (VEPARAF Study). Eur Hearts J 2003;24:1425.10.1016/S0195-668X(03)00311-7Suche in Google Scholar
2. Candell J, Valle V, Soler M, Rius J. Acute intoxication with verapamil. Chest 1979;75:200–1.10.1378/chest.75.2.200Suche in Google Scholar PubMed
3. Sami Karti S, Ulusoy H, Yandi M, Gündüz A, Koşucu M, Erol K, et al. Non cardiogenic pulmonary oedema in course of verapamil intoxication. Emerg Med 2002;19:458–9.10.1136/emj.19.5.458Suche in Google Scholar
4. Assink MA, Spronk PE, van Kan HJ, Braber A. Intravenous lipid emulsion in the treatment of verapamil intoxication. Neth J Crit Care 2013;17:18–21.Suche in Google Scholar
5. Rosser G, Dubrey SW. Massive calcium channel blocker overdose: intravenous insulin and glucose as a therapy. BMJ Case Rep 2012. 10.1136/bcr.03.2012.6114.10.1136/bcr.03.2012.6114Suche in Google Scholar PubMed PubMed Central
6. French D, Armenian P, Ruan W, Wong A, Drasner K, Olson KR, et al. Serum verapamil concentration before and after Intralipid therapy during treatment of an overdose. Clin Toxicol 2011;49:340–4.10.3109/15563650.2011.572556Suche in Google Scholar PubMed
7. Busse D, Cosme J, Beaune P, Kroemer HK, Eichelbaum M. Cytochromes of the P4502C subfamily are the major enzymes involved in the O-demethylation of verapamil in humans. Naunyn-Schmiedeberg’s Arch Pharmacol 1995;353:116–21.10.1007/BF00168924Suche in Google Scholar PubMed
8. Roberts JA, Pea F, Lipman J. The clinical relevance of plasma protein binding changes. Clin Pharmacokinet 2013;52:1–8.10.1007/s40262-012-0018-5Suche in Google Scholar PubMed
9. Yong CL, Kunka RL, Bates TR. Factors affecting the plasma protein binding of verapamil and norverapamil in man. Res Commun Chem Pathol Pharmacol 1980;30:329–39.Suche in Google Scholar
10. Kishore K, Raina A, Misra V, Jonas E. Acute verapamil toxicity in a patient with chronic toxicity: possible interaction with ceftriaxone and clindamycin. Ann Pharmacother 1993;27:877–80.10.1177/106002809302700711Suche in Google Scholar PubMed
©2016 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Editorial
- The role of pharmacogenetics and pharmacogenomics in 21st-century medicine: state of the art and new challenges discussed in the VII Conference of the Spanish Pharmacogenetics and Pharmacogenomics Society (SEFF)
- Mini Reviews
- Human genetics: international projects and personalized medicine
- Clinical implementation of pharmacogenetics
- Progress in pharmacogenetics: consortiums and new strategies
- Pharmacogenetics and pharmacogenomics as tools in cancer therapy
- Original Articles
- Metabolism and metabolite profiles in vitro and in vivo of ospemifene in humans and preclinical species
- Involvement of MTHFR and TPMT genes in susceptibility to childhood acute lymphoblastic leukemia (ALL) in Mexicans
- Garlic capsule and selenium-vitamins ACE combination therapy modulate key antioxidant proteins and cellular adenosine triphosphate in lisinopril-induced lung damage in rats
- Case Report
- Severe verapamil intoxication despite correct use of low-dose verapamil
- Congress Abstracts
- VII Conference of the Spanish Pharmacogenetics and Pharmacogenomics Society (SEFF). “The role of pharmacogenetics and pharmacogenomics in the XXI century medicine: current state of the art and new challenges”
Artikel in diesem Heft
- Frontmatter
- Editorial
- The role of pharmacogenetics and pharmacogenomics in 21st-century medicine: state of the art and new challenges discussed in the VII Conference of the Spanish Pharmacogenetics and Pharmacogenomics Society (SEFF)
- Mini Reviews
- Human genetics: international projects and personalized medicine
- Clinical implementation of pharmacogenetics
- Progress in pharmacogenetics: consortiums and new strategies
- Pharmacogenetics and pharmacogenomics as tools in cancer therapy
- Original Articles
- Metabolism and metabolite profiles in vitro and in vivo of ospemifene in humans and preclinical species
- Involvement of MTHFR and TPMT genes in susceptibility to childhood acute lymphoblastic leukemia (ALL) in Mexicans
- Garlic capsule and selenium-vitamins ACE combination therapy modulate key antioxidant proteins and cellular adenosine triphosphate in lisinopril-induced lung damage in rats
- Case Report
- Severe verapamil intoxication despite correct use of low-dose verapamil
- Congress Abstracts
- VII Conference of the Spanish Pharmacogenetics and Pharmacogenomics Society (SEFF). “The role of pharmacogenetics and pharmacogenomics in the XXI century medicine: current state of the art and new challenges”