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Succinylcholine-Induced Rhabdomyolysis in Adults: Case Report and Review of the Literature

Purpose: A case of succinylcholine (SCh) and sevoflurane as a probable cause of rhabdomyolysis in an adult is presented, along with a review of the relevant literature and strategies for prevention. Summary: A nondiabetic, morbidly obese 32-year-old female developed rhabdomyolysis after administration of SCh and sevoflurane for diagnostic procedures of 30 minutes’ duration. Thirty-three hours following anesthesia, the patient developed diffuse muscle tenderness and progressive weakness with a creatinine kinase (CK) of 4319 U/L. Urinalysis findings indicated contamination, a white blood cells of 12.1 × 103/μL was stress induced, while all other labs were normal. Following 26 hours of intravenous fluids, the patient’s CK decreased to 1243 U/L, with pain responsive to acetaminophen and improved mobility, resulting in discharge. With a lack of reasonable alternative causes and a temporal association of symptoms, procedural medication–induced rhabdomyolysis was suspected. Based on Naranjo scale evaluation, SCh and sevoflurane were probable causes of rhabdomyolysis. We reviewed the literature for SCh-induced rhabdomyolysis among adults and found 10 cases. The majority of patients received halogenated anesthesia (HA) and prophylaxis for SCh myopathy, with no known personal or family history of neuromuscular disorders (NMD) reported. Conclusion: Rhabdomyolysis was observed in a woman following the administration of SCh and sevoflurane for diagnostic procedures lasting 30 minutes. While avoidance is possible in adults with histories of NMDs, a high index of suspicion for occurrence of rhabdomyolysis is needed whenever combining SCh with HA in all adults.