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Published on: October 16, 2013
General Anesthesia for a Patient With Pelizaeus-Merzbacher Disease
Nobuhito Kamekura1, Yukie Nitta2, Shigeru Takuma2
1Associate Professor.
Abstract:
We report the successful management of general anesthesia for a patient with Pelizaeus-Merzbacher disease (PMD). PMD is one of a group of progressive, degenerative disorders of the cerebral white matter. The typical clinical manifestations of PMD include psychomotor retardation, nystagmus, abnormal muscle tone, seizures, and cognitive impairment. General anesthesia for a patient with PMD may be difficult mainly because of seizures and airway complications related to poor pharyngeal muscle control. In addition, the possibility of exacerbation of spasticity should be considered. A 20-year-old man with PMD required removal of impacted wisdom teeth under general anesthesia. General anesthesia was induced with thiamylal, fentanyl, and desflurane. Anesthesia was maintained with desflurane and continuous intravenous remifentanil under bispectral index and train-of-4 monitoring. Anesthesia lasted 1 hour 20 minutes and was completed uneventfully. Airway complications, seizures, and exacerbation of spasticity did not occur postoperatively. Preoperatively, our patient had no history of epilepsy attacks or aspiration pneumonia, and no clinical symptoms of gastroesophageal reflux disease. Therefore, exacerbation of spasticity was one of the most likely potential complications. Identification of these associated conditions and evaluation of risk factors during preoperative examination is important for performing safe anesthesia in these patients.
Insights
General anesthesia was successfully administered to a patient with Pelizaeus-Merzbacher disease (PMD), a rare white matter disorder. This case highlights safe anesthetic management strategies for patients with PMD, minimizing risks like seizures and spasticity.
Area of Science:
- Neurology
- Anesthesiology
Background:
- Pelizaeus-Merzbacher disease (PMD) is a rare, progressive, degenerative disorder of the cerebral white matter.
- Clinical manifestations include psychomotor retardation, nystagmus, abnormal muscle tone, seizures, and cognitive impairment.
- General anesthesia in PMD patients presents challenges due to potential seizures, airway complications from poor pharyngeal muscle control, and exacerbation of spasticity.
Observation:
- A 20-year-old male patient with PMD underwent impacted wisdom teeth removal under general anesthesia.
- Anesthesia was induced with thiamylal, fentanyl, and desflurane, and maintained with desflurane and continuous intravenous remifentanil.
- Monitoring included bispectral index and train-of-4, with anesthesia lasting 1 hour and 20 minutes.
Findings:
- The general anesthesia procedure was completed uneventfully.
- The patient experienced no postoperative airway complications, seizures, or exacerbation of spasticity.
- Preoperative assessment revealed no history of epilepsy, aspiration pneumonia, or gastroesophageal reflux disease.
Implications:
- This case demonstrates the feasibility of safe general anesthesia management in patients with Pelizaeus-Merzbacher disease.
- Careful preoperative evaluation of associated conditions and risk factors is crucial for successful anesthetic outcomes.
- The findings underscore the importance of vigilance for potential complications such as spasticity exacerbation during perioperative care.
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