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Review
. 2024 May 3;71(1):44-52.
doi: 10.2344/673191.

A Review of Muscular Dystrophies

Review

A Review of Muscular Dystrophies

Tiffany Hoang et al. Anesth Prog. .

Abstract

Muscular dystrophy encompasses a group of genetic conditions with progressive muscle damage and weakness. Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD) are X-linked recessive disorders that affect the production of the protein dystrophin. Emery-Dreifuss muscular dystrophy (EDMD) is typically an X-linked-recessive disorder involving the gene that codes for emerin. Facioscapulohumeral muscular dystrophy and oculopharyngeal muscular dystrophy (OPMD) are both autosomal dominant disorders. Although commonly mistaken as a condition in which patients are susceptible to malignant hyperthermia with volatile inhalational anesthetics, muscular dystrophy is more closely associated with rhabdomyolysis. Providers developing an anesthetic plan for dental patients with muscular dystrophy must take into consideration the patient's baseline cardiac and pulmonary function as well as the potential for abnormalities. Nondepolarizing neuromuscular blocker use is safe but likely to result in prolonged skeletal muscle relaxation. Succinylcholine and volatile anesthetics are generally contraindicated due to the risks of rhabdomyolysis and hyperkalemia with subsequent ventricular fibrillation, cardiac arrest, and death if left untreated. In-depth understanding of the more commonly encountered forms of muscular dystrophy is vital to providing safe and effective ambulatory anesthesia care for patients undergoing dental treatment outside the traditional hospital operating room setting.

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