{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,16]],"date-time":"2025-12-16T11:51:20Z","timestamp":1765885880123},"reference-count":22,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2013,7,30]],"date-time":"2013-07-30T00:00:00Z","timestamp":1375142400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2013,10]]},"abstract":"Abstract<\/jats:title>Background<\/jats:title>Late\u2010onset circulatory collapse (LCC<\/jats:styled-content>) is a disorder in which blood pressure decreases and oliguria suddenly occurs in preterm infants who have survived the acute stage, leading to shock, without contributing underlying factors. In order to evaluate hemodynamic changes during LCC<\/jats:styled-content>, the correlation between myocardial functions and organ blood flow was investigated with echography.<\/jats:p><\/jats:sec>Methods<\/jats:title>Seven very\u2010low\u2010birthweight infants were given a diagnosis of LCC<\/jats:styled-content> during the study period. Cardiovascular and organ flow parameters of the infants were recorded prospectively, once a week, and compared with eight control very\u2010low\u2010birthweight infants with matching gestational age. Echographic study was performed before LCC<\/jats:styled-content>, at the onset of LCC<\/jats:styled-content>, and after LCC<\/jats:styled-content> among infants with LCC<\/jats:styled-content>.<\/jats:p><\/jats:sec>Results<\/jats:title>A significant increase in ejection fraction and a significant decrease in end systolic wall stress were observed in infants with the LCC<\/jats:styled-content> condition. At the same time, the mean blood flow velocity increased significantly in the superior mesenteric artery, while it decreased in the anterior cerebral artery. Systolic blood flow velocity increased and mean velocity was maintained in the renal artery during LCC<\/jats:styled-content>.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>LCC<\/jats:styled-content> is a distributive shock, characterized by a hyperdynamic state and decreased afterload. Echographic examination of organ flow during LCC<\/jats:styled-content> is useful in understanding the pathophysiology of the disorder.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ped.12114","type":"journal-article","created":{"date-parts":[[2013,4,25]],"date-time":"2013-04-25T12:20:36Z","timestamp":1366892436000},"page":"582-588","source":"Crossref","is-referenced-by-count":13,"title":["Hemodynamic analysis in infants with late\u2010onset circulatory collapse"],"prefix":"10.1111","volume":"55","author":[{"given":"Yosuke","family":"Washio","sequence":"first","affiliation":[{"name":"Department of Neonatology Maternal and Perinatal Center Tokyo Women's Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Atsushi","family":"Uchiyama","sequence":"additional","affiliation":[{"name":"Department of Neonatology Maternal and Perinatal Center Tokyo Women's Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hidehiko","family":"Nakanishi","sequence":"additional","affiliation":[{"name":"Department of Neonatology Maternal and Perinatal Center Tokyo Women's Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satsuki","family":"Totsu","sequence":"additional","affiliation":[{"name":"Department of Neonatology Maternal and Perinatal Center Tokyo Women's Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenichi","family":"Masumoto","sequence":"additional","affiliation":[{"name":"Department of Neonatology Maternal and Perinatal Center Tokyo Women's Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoshi","family":"Kusuda","sequence":"additional","affiliation":[{"name":"Department of Neonatology Maternal and Perinatal Center Tokyo Women's Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,7,30]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1542\/neo.10-8-e381"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1203\/PDR.0b013e31816c8fcc"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.braindev.2008.02.001"},{"key":"e_1_2_6_5_1","first-page":"1","article-title":"Clinical characterization and long\u2010term prognosis of neurological development in preterm infants with late\u2010onset circulatory collapse","volume":"41","author":"Nakanishi N","year":"2010","journal-title":"J. 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