{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T23:22:14Z","timestamp":1783034534313,"version":"3.54.6"},"reference-count":72,"publisher":"Georg Thieme Verlag KG","funder":[{"name":"Clinical Center","award":["HD072071"],"award-info":[{"award-number":["HD072071"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Perinatol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Cystic periventricular leukomalacia (cPVL) is a major cause of neurodevelopmental impairment in preterm infants, yet associated clinical and physiologic variables remain incompletely defined. We sought to identify differences in maternal and infant clinical variables, including patterns of heart rate (HR) and oxygen saturation (SpO2) in the first 6 weeks after birth, in infants with cPVL compared with matched controls.<\/jats:p>\n                  <jats:p>We conducted a single-center, retrospective study of infants admitted to a level IV neonatal intensive care unit (NICU) from 2012 to 2022. Infants with cPVL were matched 1:1 with controls by sex, gestational age, and birth year. Clinical variables were extracted from institutional databases. Hourly averages of HR and SpO2 mean, standard deviation, skewness, and kurtosis were calculated from 0.5\u2009Hz data from standard NICU monitors from birth to day 42, and compared for infants with and without cPVL. Continuous variables were compared with t-tests, categorical variables with \u03c72 tests, and time series HR and SpO2 metrics with t-tests using Bonferroni correction for multiple comparisons.<\/jats:p>\n                  <jats:p>Nineteen infants with cPVL and 19 matched controls were identified. Maternal characteristics were similar between groups. A higher percentage of infants with cPVL received vasopressor support and were more likely to receive hydrocortisone therapy, while other morbidities and blood gas values were comparable between groups. In the cPVL group, General Movement Assessment was abnormal in all infants who had it performed, and cerebral palsy occurred more frequently. There were no consistent differences in HR metrics in the 42-day period. Infants with cPVL had consistently higher mean SpO2 but also more negative skewness (more desaturations) and higher kurtosis (more outlier values), implying more swings from low to high SpO2.<\/jats:p>\n                  <jats:p>In this cohort, cPVL was associated with treatment for hypotension and sustained differences in SpO2 after birth, suggesting more oxidative stress. Further work is needed to determine how SpO2 dynamics reflect, predict, or perhaps contribute to cPVL.<\/jats:p>","DOI":"10.1055\/a-2902-8606","type":"journal-article","created":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T22:53:18Z","timestamp":1782514398000},"source":"Crossref","is-referenced-by-count":0,"title":["Cystic Periventricular Leukomalacia in Preterm Infants: Clinical Risks, Heart Rate, and Oxygenation Patterns"],"prefix":"10.1055","author":[{"given":"Movicque","family":"King","sequence":"additional","affiliation":[{"name":"University of Virginia, Virginia, United States","place":["Charlottesville"],"department":["Department of Pediatrics, Division of Neonatology"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashlee","family":"Commeree","sequence":"additional","affiliation":[{"name":"University of Utah, Utah, United States","place":["Salt Lake City"],"department":["Department of Pediatrics, Division of Pediatric Critical Care Medicine"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen","family":"Fairchild","sequence":"additional","affiliation":[{"name":"University of Virginia, Virginia, United States","place":["Charlottesville"],"department":["Department of Pediatrics, Division of Neonatology"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1902-1499","authenticated-orcid":false,"given":"Jennifer","family":"Burnsed","sequence":"additional","affiliation":[{"name":"University of Virginia, Virginia, United States","place":["Charlottesville"],"department":["Department of Pediatrics, Division of Neonatology"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2026,7,2]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"106435","DOI":"10.1016\/j.earlhumdev.2025.106435","article-title":"Exploring the neurological impact of prematurity: Shared mechanisms in periventricular 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