Malignant hyperthermia in myotonia congenita |
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| Authors: | T Heiman-Patterson C Martino H Rosenberg J Fletcher A Tahmoush |
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| Affiliation: | Department of Neurology, Hahnemann University Hospital, Philadelphia, PA 19102. |
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| Abstract: | We report a family in which two sisters with myotonia congenita (MyC) were referred for malignant hyperthermia (MH) evaluation after each developed muscle rigidity with anesthesia. Halothane contracture testing of skeletal muscle in both was consistent with MH susceptibility. A third sister without clinical evidence of MyC was negative on contracture testing. These results suggest an association between MyC and MH susceptibility. |
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