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Abstract Background Anesthesia-associated rhabdomyolysis is a rare complication of surgery that causes postoperative myalgia, weakness, and potential renal failure if not managed promptly. Predisposing conditions that may lead to this complication include muscular dystrophies and myopathies. Case presentation This rare case describes a pediatric non-Indigenous Australian patient developing this complication, with no known predisposing risk factors, and no clear etiology. A 9-year-old child with a background of asthma underwent an elective removal of keloid scar on her chest wall. The procedure was brief and uncomplicated, with an uneventful induction of anesthesia. During the emergence period, she developed acutely raised airway pressures with bronchospasm and laryngospasm requiring the use of salbutamol and suxamethonium with good effect. In the initial postoperative period, the patient complained of generalized myalgia and muscle weakness and was unable to mobilize independently. There was transient recovery to normal function; however, a recurrence of symptoms the following day with associated myalgias warranted admission to hospital. She was found to have rhabdomyolysis that was managed conservatively with a full recovery of several weeks. She was thoroughly investigated for any underlying cause, including genetic testing for malignant hyperthermia susceptibility (she had a variant of unknown significance but was negative for the known genetic abnormalities that cause malignant hyperthermia). Conclusion This case report demonstrates the importance of considering anesthesia-associated rhabdomyolysis as a differential for acute postoperative weakness, and outlines an investigative approach. To the best of our knowledge, it is the first case described in the pediatric literature to report biphasic progression of symptoms.

Background: Anesthesia-associated rhabdomyolysis is a rare complication of surgery that causes postoperative myalgia, weakness, and potential renal failure if not managed promptly. Predisposing conditions that may lead to this complication include muscular dystrophies and myopathies.Case Presentation: This rare case describes a pediatric non-Indigenous Australian patient developing this complication, with no known predisposing risk factors, and no clear etiology. A 9-year-old child with a background of asthma underwent an elective removal of keloid scar on her chest wall. The procedure was brief and uncomplicated, with an uneventful induction of anesthesia. During the emergence period, she developed acutely raised airway pressures with bronchospasm and laryngospasm requiring the use of salbutamol and suxamethonium with good effect. In the initial postoperative period, the patient complained of generalized myalgia and muscle weakness and was unable to mobilize independently. There was transient recovery to normal function; however, a recurrence of symptoms the following day with associated myalgias warranted admission to hospital. She was found to have rhabdomyolysis that was managed conservatively with a full recovery of several weeks. She was thoroughly investigated for any underlying cause, including genetic testing for malignant hyperthermia susceptibility (she had a variant of unknown significance but was negative for the known genetic abnormalities that cause malignant hyperthermia).Conclusion: This case report demonstrates the importance of considering anesthesia-associated rhabdomyolysis as a differential for acute postoperative weakness, and outlines an investigative approach. To the best of our knowledge, it is the first case described in the pediatric literature to report biphasic progression of symptoms. [ABSTRACT FROM AUTHOR]

Purpose: There is a paucity of literature describing Guillain-Barré syndrome (GBS) in the elective orthopedic patient. We aim to report one such case following spine surgery.Methods: A morbidly obese 52-year-old male developed diminished reflexes as well as left upper and lower extremity weakness following surgical decompression and fusion at L4-5. The patient had persistent weakness and progressed to areflexia, at which point urgent lumbar puncture supported a diagnosis of GBS.Results: The patient was promptly started on intravenous immunoglobulin and made significant clinical improvement with near-complete resolution of symptoms by 3-month follow-up visit. By the sixth month, he was able to function and ambulate without a cane. GBS is a rare and potentially critical cause of diminished reflexes and weakness in the post-operative elective orthopedic patient. We propose that morbid obesity may have contributed to the patient's susceptibility of developing GBS following surgery.Conclusion: Neurologic symptoms of this autoimmune condition may also mimic the clinical picture of an elective spine patient, thus confounding diagnosis. If imaging cannot explain exam findings or new neurologic symptoms post-operatively, rare disease processes should be considered in the differential diagnosis. [ABSTRACT FROM AUTHOR]