{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T01:15:45Z","timestamp":1773018945097,"version":"3.50.1"},"reference-count":52,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,11,14]],"date-time":"2025-11-14T00:00:00Z","timestamp":1763078400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,11,14]],"date-time":"2025-11-14T00:00:00Z","timestamp":1763078400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To determine whether a fetal right ventricular (RV) free\u2010wall pericardial effusion (PE) is associated with alterations of ventricular geometry and function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Retrospective review of 1373\u2009second\u2010 and third\u2010trimester fetuses between 20 and 39\u2009weeks of gestation was done to identify fetuses with a PE. Diastolic function was assessed via pulsed Doppler of RV and left ventricular (LV) inflow tracts, with monophasic filling in the presence of contralateral biphasic inflow classified as abnormal. End\u2010diastolic RV and LV area, width, length, and sphericity were measured as well as systolic function.\n                      <jats:italic>Z<\/jats:italic>\n                      \u2010score equivalent percentiles were computed for the above measurements. Statistical comparisons used published normative controls, with abnormalities defined as z\u2010score equivalent percentiles (&lt;10th or &gt;90th percentile). Segmental movement of the ventricular free wall and septum was classified as hyperkinetic, hypokinetic, akinetic, and paradoxical.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Four\u2010chamber view (4CV), RV, and LV area, length, and mid\u2010chamber width &lt;10\n                      <jats:sup>th<\/jats:sup>\n                      percentile was more frequent than controls. Diastolic disturbance was selective to the RV: 87% (26\/30) showed a monophasic tricuspid A\u2010waveform with preserved mitral inflow. Systolic assessment revealed decreased (&lt;10th percentile) RV and LV fractional area change, mid\u2010chamber fractional shortening, as well as LV cardiac output and ejection fraction to be more frequent than controls as well as global and free\u2010wall strain &gt;90th percentile. Segmental analysis demonstrated high rates of paradoxical septal motion (33% LV, 73% RV) and regional akinesis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A localized right free\u2010wall PE is associated with altered chamber geometry, selective diastolic impairment, discordant systolic deformation, and frequent paradoxical septal motion.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jum.70116","type":"journal-article","created":{"date-parts":[[2025,11,14]],"date-time":"2025-11-14T11:47:07Z","timestamp":1763120827000},"page":"863-876","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Right\u2010Sided Fetal Pericardial Effusion Is Associated With Ventricular Dysfunction and Paradoxical Septal 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