Anesth Analg 2009; 109:1070-1072
© 2009 International Anesthesia Research Society
doi: 10.1213/ane.0b013e3181ad63b4
PEDIATRIC ANESTHESIOLOGY
Malignant Hyperthermia-Like Syndrome and Carnitine Palmitoyltransferase II Deficiency with Heterozygous R503C Mutation
Kirk J. Hogan, MD, JD*, and
Georgirene D. Vladutiu, PhD
From the *Department of Anesthesiology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin; and Department of Pediatrics, Neurology, and Pathology & Anatomical Sciences, School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York.
Address correspondence to Kirk J. Hogan, MD, JD, Department of Anesthesiology, School of Medicine and Public Health, University of Wisconsin, B6/319 Clinical Sciences Center, 600 Highland Ave., Madison, WI 53792-3272. Address e-mail to khogan{at}facstaff.wisc.edu.
Abstract
We describe a child who developed a malignant hyperthermia-like syndrome after exposure to succinylcholine and halothane. Many features of a typical malignant hyperthermia episode were present, including tachydysrhythmia, tachypnea, and fever in association with metabolic acidosis, hyperCKemia, myglobinemia, and rapid recovery without residual effects upon administration of dantrolene, sodium bicarbonate, and active cooling. Muscle rigidity, hypercarbia, and hyperkalemia were not observed. The patient was found to be heterozygous for a mutation in the carnitine palmitoyltransferase II gene (CPT2) encoding an arginine to cysteine substitution at amino acid 503 (R503C) with reduced activity of the enzyme.
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