Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1016/j.bjane.2023.07.009
Brazilian Journal of Anesthesiology
Letter to the editor

Genetic specification of malignant hyperthermia susceptibility is warranted for assessing fatigue, depression, and exercise intolerance

Josef Finsterer, Fulvio A. Scorza, Carla A. Scorza

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Abstract

Dear Editor,

We read with interest the article by de Andrade et al on the prevalence of fatigue, depression, and physical activity in a cohort of 22 patients with Malignant Hyperthermia Susceptibility (MHS) diagnosed by an In Vitro Contracture Test (IVCT), compared with 13 MHS-negative patients and 22 healthy controls. There were no significant differences between the three groups in terms of fatigue intensity, fatigue associated with specific situations, psychological consequences of fatigue, fatigue response to rest/sleep, depression, number of active/sedentary participants, and the mean time and habitual physical activity characteristics, but physically active MHS patients showed a greater fatigue response to rest/sleep than the sedentary MHS subgroup. The study is compelling but has limitations that should be discussed.

References

1. Andrade PMV, Valim LIM, Santos JMD, Castro I, Amaral JLGD, Silva HCAD. Fatigue, depression, and physical activity in patients with malignant hyperthermia: a cross-sectional observational study. Braz J Anesthesiol. 2023;73:132−7.

2. Malicdan MCV, Nishino I. Central Core Disease. In: Adam MP, Mirzaa GM, Pagon RA, Wallace SE, Bean LJH, Gripp KW, Amemiya A, eds. GeneReviews [Internet], Seattle (WA): University of Washington, Seattle; 2007 May 16. (1993-2023) [updated 2014 Dec 4].

3. Grzybowski M, Schanzer A, Pepler A, Heller C, Neubauer BA, Hahn € A. Novel STAC3 Mutations in the First Non-Amerindian Patient with Native American Myopathy. Neuropediatrics. 2017;48:451−5.


Submitted date:
05/15/2023

Accepted date:
07/21/2023

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