{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T17:41:43Z","timestamp":1789926103542,"version":"4.0.1"},"reference-count":34,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,7,21]],"date-time":"2025-07-21T00:00:00Z","timestamp":1753056000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Reports"],"abstract":"<jats:p>Background and Clinical Significance: Shock in pediatric patients remains a leading cause of morbidity and mortality, with refractory cases posing significant challenges. While catecholamines like norepinephrine and epinephrine are standard vasopressors, vasopressin (AVP) has emerged as a potential adjunct therapy. However, its role in pediatric shock remains controversial due to concerns about efficacy, safety, and appropriate use. This review assesses the current evidence on AVP in pediatric shock. Methods and Results: A comprehensive literature search was conducted using PubMed, Scopus, Web of Science, and Google Scholar, focusing on studies published in the last five years to capture recent advancements. Articles on AVP\u2019s mechanism of action, pharmacokinetics, clinical applications, and safety were included. For background information, studies were not limited by publication date. AVP increases mean arterial pressure (MAP) and systemic vascular resistance (SVR) yet does not significantly reduce mortality. While AVP may be useful in catecholamine-resistant vasoplegia, its advantage over conventional vasopressors remains uncertain. Concerns about ischemic complications, myocardial dysfunction, and thrombocytopenia further limit its routine use. Conclusions: AVP may serve as an adjunct therapy in catecholamine-resistant vasoplegia, but safety concerns and unclear benefits restrict its routine use. Further research is needed to determine the optimal dosing, patient selection, and long-term outcomes. Until then, AVP should remain a last-line therapy when conventional vasopressors fail.<\/jats:p>","DOI":"10.3390\/reports8030117","type":"journal-article","created":{"date-parts":[[2025,7,21]],"date-time":"2025-07-21T10:35:31Z","timestamp":1753094131000},"page":"117","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["High-Stakes Hormone: Vasopressin Use as a Last-Line Therapy for Shock in Pediatrics\u2014A Narrative Review"],"prefix":"10.3390","volume":"8","author":[{"given":"Marcin","family":"Sota","sequence":"first","affiliation":[{"name":"Anesthesiology and Intensive Care Scientific Circle English Division (ANKONAED), Medical University of Warsaw, 02-091 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-2169-4839","authenticated-orcid":false,"given":"Daria","family":"Bramnik","sequence":"additional","affiliation":[{"name":"Anesthesiology and Intensive Care Scientific Circle English Division (ANKONAED), Medical University of Warsaw, 02-091 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olivia","family":"Gudziewski","sequence":"additional","affiliation":[{"name":"Anesthesiology and Intensive Care Scientific Circle English Division (ANKONAED), Medical University of Warsaw, 02-091 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-2688-0487","authenticated-orcid":false,"given":"Ithamar","family":"Cheyne","sequence":"additional","affiliation":[{"name":"Anesthesiology and Intensive Care Scientific Circle English Division (ANKONAED), Medical University of Warsaw, 02-091 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1148-7817","authenticated-orcid":false,"given":"Ma\u0142gorzata","family":"Mikaszewska-Sokolewicz","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Intensive Care, Children\u2019s Memorial Health Institute, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,7,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1097\/PCC.0000000000001502","article-title":"Hospital variation in risk-adjusted pediatric sepsis mortality","volume":"19","author":"Ames","year":"2018","journal-title":"Pediatr. 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