Lesch-Nyhan syndrome is a rare, x-linked, recessive disorder of purine metabolism resulting in hyperuricemia, spasticity, choreoathetosis, dystonia, self-injurious behavior, and aggression, without significant cognitive impairment. Anesthetic management of inpatients who demonstrate classic manifestations of Lesch-Nyhan syndrome and require surgical interventions have been described. There are no guidelines in the literature addressing the anesthetic management of the outpatient with Lesch-Nyhan syndrome. Specifically, sudden, unexplained death, abnormalities in respiration, apnea, severe bradycardia, and an increased incidence of vomiting and chronic pulmonary aspiration may preclude this patient population from receiving anesthesia for outpatient procedures. General anesthesia with spontaneous ventilation was performed for diagnostic, radiographic imaging in 11 outpatients with Lesch-Nyhan syndrome using intravenous propofol. A bolus dose of 1.5 to 2.0 mg/kg propofol was followed by maintenance doses of 60 to 160 mcg/kg/min. Results during and following sedation indicated endtidal carbon dioxide ranges between 34 mmHg and 59 mmHg. Respiratory rates were never below 10 breaths/min and no partial/complete airway obstruction or labored breathing was clinically evident. Hemodynamics were within 30 % of presedation values. No patient demonstrated nausea, vomiting, or pulmonary aspiration. Baseline neuropsychologic status was achieved following sedation, and patients were discharged from the hospital 35 to 90 minutes after sedation was computed. Potential risks and benefits of using propofol in this patient population are discussed.

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   |texte=   Use of propofol anesthesia during outpatient radiographic imaging studies in patients with Lesch-Nyhan syndrome
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