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This retrospective cohort study examined the incidence, electrophysiological variants, and clinical outcomes of children under 16 years hospitalized for GBS in an intensive care unit serving approximately 8% of the Chilean population in Santiago (2013-2023). Twenty-one patients (median age: 10 years) were included, with 11 presenting with axonal involvement and 8 with demyelinating features. Four patients required mechanical ventilation\u20142 in the axonal and 2 in the demyelinating group (median\u2009=\u200922 days, IQR\u2009=\u20099-43)\u2014and 2 patients required tracheostomy. The predominance of the axonal subtype highlights critical considerations for early prognostication, critical care planning, and future inclusion in clinical trials.<\/jats:p>","DOI":"10.1177\/08830738261447158","type":"journal-article","created":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T14:08:26Z","timestamp":1778076506000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical and Electrophysiological Characteristics and Short-Term Outcomes of Pediatric Guillain-Barr\u00e9 Syndrome in a Latin American Intensive Care Unit"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3962-6302","authenticated-orcid":false,"given":"Daniela","family":"Avila-Smirnow","sequence":"first","affiliation":[{"name":"School of Medicine, Pontifical Catholic University of Chile"},{"name":"Dr. S\u00f3tero del R\u00edo Healthcare Complex"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grecia","family":"Castro-Cuevas","sequence":"additional","affiliation":[{"name":"School of Medicine, Pontifical Catholic University of Chile"},{"name":"Dr. S\u00f3tero del R\u00edo Healthcare Complex"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maite","family":"Rojas-Mckenzie","sequence":"additional","affiliation":[{"name":"School of Medicine, Pontifical Catholic University of Chile"},{"name":"Dr. S\u00f3tero del R\u00edo Healthcare Complex"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pamela","family":"C\u00e9spedes-Fern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Dr. S\u00f3tero del R\u00edo Healthcare Complex"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adriana","family":"Wegner-Araya","sequence":"additional","affiliation":[{"name":"Dr. S\u00f3tero del R\u00edo Healthcare Complex"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,5,6]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pediatrneurol.2020.01.017"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(16)00339-1"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awy232"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2010.06.003"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410330402"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1111\/jns.12504"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2021.12.014"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra1114525"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(21)00517-1"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD002063.pub6"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1111\/ene.16073"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD008630.pub5"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1111\/jns.12411"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejpn.2020.01.003"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejpn.2023.02.007"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2018.09.025"},{"key":"e_1_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.1002\/1531-8249(199911)46:5<701::AID-ANA4>3.0.CO;2-7"},{"key":"e_1_3_3_19_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pntd.0007622"},{"key":"e_1_3_3_20_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pntd.0008264"},{"key":"e_1_3_3_21_2","doi-asserted-by":"publisher","DOI":"10.1111\/jns.12182"},{"key":"e_1_3_3_22_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.26706"},{"key":"e_1_3_3_23_2","doi-asserted-by":"publisher","DOI":"10.1177\/0883073820905157"},{"key":"e_1_3_3_24_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20520"},{"key":"e_1_3_3_25_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10072-024-07862-5"},{"key":"e_1_3_3_26_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pediatrneurol.2012.05.011"},{"key":"e_1_3_3_27_2","doi-asserted-by":"publisher","DOI":"10.1212\/01.wnl.0000265396.87983.bd"},{"key":"e_1_3_3_28_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jneuroim.2021.577651"},{"key":"e_1_3_3_29_2","doi-asserted-by":"publisher","DOI":"10.1055\/s-2007-981686"},{"key":"e_1_3_3_30_2","doi-asserted-by":"publisher","DOI":"10.1007\/s12098-021-03804-7"},{"key":"e_1_3_3_31_2","doi-asserted-by":"publisher","DOI":"10.1038\/pr.2017.67"},{"key":"e_1_3_3_32_2","doi-asserted-by":"publisher","unstructured":"Cea G Jara P Quevedo F. 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