Estimate of the incidence of PANDAS and PANS in 3 primary care populations

Autor: Ellen R. Wald, Jens Eickhoff, Grace E. Flood, Michael V. Heinz, Daniel Liu, Alisha Agrawal, Richard P. Morse, Veronica M. Raney, Aravindhan Veerapandiyan, Juliette C. Madan
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Frontiers in Pediatrics, Vol 11 (2023)
Druh dokumentu: article
ISSN: 2296-2360
DOI: 10.3389/fped.2023.1170379
Popis: ObjectivePediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcal infection (PANDAS) and Pediatric Acute-Onset Neuropsychiatric syndrome (PANS) are presumed autoimmune complications of infection or other instigating events. To determine the incidence of these disorders, we performed a retrospective review for the years 2017–2019 at three academic medical centers.MethodsWe identified the population of children receiving well-child care at each institution. Potential cases of PANS and PANDAS were identified by including children age 3–12 years at the time they received one of five new diagnoses: avoidant/restrictive food intake disorder, other specified eating disorder, separation anxiety disorder of childhood, obsessive-compulsive disorder, or other specified disorders involving an immune mechanism, not elsewhere classified. Tic disorders was not used as a diagnostic code to identify cases. Data were abstracted; cases were classified as PANDAS or PANS if standard definitions were met.ResultsThe combined study population consisted of 95,498 individuals. The majority were non-Hispanic Caucasian (85%), 48% were female and the mean age was 7.1 (SD 3.1) years. Of 357 potential cases, there were 13 actual cases [mean age was 6.0 (SD 1.8) years, 46% female and 100% non-Hispanic Caucasian]. The estimated annual incidence of PANDAS/PANS was 1/11,765 for children between 3 and 12 years with some variation between different geographic areas.ConclusionOur results indicate that PANDAS/PANS is a rare disorder with substantial heterogeneity across geography and time. A prospective investigation of the same question is warranted.
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