• Paediatric anaesthesia · Oct 2019

    General Anesthesia Safety in Progressive Leukodystrophies: A Retrospective Study of Patients with Krabbe Disease and Metachromatic Leukodystrophy.

    • Nicholas A Bascou, Maria C Marcos, Maria L Beltran Quintero, Mercedes C Roosen-Marcos, Franklyn P Cladis, Michele D Poe, and Maria L Escolar.
    • Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA.
    • Paediatr Anaesth. 2019 Oct 1; 29 (10): 1053-1059.

    BackgroundKrabbe disease and metachromatic leukodystrophy are leukodystrophies characterized by neurologic degeneration and early death. Patients often require general anesthesia for diagnostic and therapeutic interventions.MethodsA retrospective review of medical records was conducted for patients with Krabbe disease and metachromatic leukodystrophy receiving general anesthesia at a large children's hospital between 2012 and 2017. Patient complications and American Society of Anesthesiologists Physical Status were recorded for all procedures. The Neurodevelopment in Rare Disorders classification system was created to categorize the severity of the patient's disease progression based on clinical markers. Descriptive and inferential statistics were used to compare: (a) complication rate of affected patients vs the general hospital population; (b) the accuracy of the novel Neurodevelopment in Rare Disorders classification system vs American Society of Anesthesiologists Physical Status regarding the assessment of complication risk; (c) complication rate in patients with hematopoietic stem cell transplantation vs those without transplantation; (d) complication rate in immunosuppressed patients vs nonimmunosuppressed patients; and (e) complication rate of the three most commonly performed procedures.ResultsA total of 96 patients underwent 287 procedures. Of these, 11 cases had complications, yielding a rate of 3.8%. This is significantly higher than the overall complication rate at our institution of 0.246%. Statistical analysis showed better correlation between the Neurodevelopment in Rare Disorders classification system and complication rate than American Society of Anesthesiologists Physical Status and complication rate. The system also showed better accuracy in differentiating low-risk and high-risk patients. No statistically significant difference in complication rate was found for patients with transplantation vs those without transplantation or for immunosuppressed vs nonimmunosuppressed patients. Of the three most common procedures, central catheter placement/removal exhibited the highest complication rate.ConclusionsAlthough the complication rate for patients with Krabbe disease and metachromatic leukodystrophy is higher than the general population, most complications were mild and self-limiting. These results suggest that, in experienced hands, general anesthesia is well tolerated in most children. Findings show that the Neurodevelopment in Rare Disorders classification system is a better indicator for assessing complication risk in patients with Krabbe and metachromatic leukodystrophy than American Society of Anesthesiologists Physical Status.© 2019 John Wiley & Sons Ltd.

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