{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T13:09:15Z","timestamp":1778936955896,"version":"3.51.4"},"reference-count":49,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T00:00:00Z","timestamp":1774828800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T00:00:00Z","timestamp":1774828800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100007442","name":"Gratama Stichting","doi-asserted-by":"publisher","award":["2023\u201010\/W233029\u20102 GSL"],"award-info":[{"award-number":["2023\u201010\/W233029\u20102 GSL"]}],"id":[{"id":"10.13039\/501100007442","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010316","name":"Janivo Stichting","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100010316","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ultrasound in Obstet &amp; Gyne"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The primary objective of this study was to evaluate the prevalence, type and severity of pre\u2010 and postnatal brain injury in monochorionic twins with twin anemia\u2013polycythemia sequence (TAPS). Secondary objectives were to conduct within\u2010pair comparisons between donor and recipient twins of structural cranial ultrasound (cUS) measurements and to evaluate the association between brain injury and neurodevelopmental outcome in TAPS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This was a single\u2010center retrospective cohort study including cases of spontaneous and postlaser TAPS delivered at the Leiden University Medical Center, Leiden, The Netherlands, between May 2002 and December 2024. We evaluated all available pre\u2010 and postnatal neuroimaging, including ultrasound and magnetic resonance imaging, to identify brain injury. Structural measurements were obtained from cUS performed within 3\u2009days after birth, and were included only if high\u2010quality images were available for both cotwins. Neurodevelopmental outcome was evaluated using standardized age\u2010appropriate assessments for cognitive and motor development.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 256 infants were included from 132 pregnancies (124 twin pairs and eight single survivors). Brain injury was observed in 16.8% (43\/256) of infants, of which 93.0% (40\/43) had a postnatal origin. There was no significant difference in the prevalence of brain injury between cases of spontaneous TAPS (13.5% (20\/148)) and postlaser TAPS (21.3% (23\/108)) (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.1). Severe brain injury was observed in 7.4% (19\/256) of the infants, with no significant difference between donor twins (6.5% (8\/124)) and recipient twins (8.3% (11\/132)) (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.54). Lower gestational age at birth was an independent risk factor for brain injury (odds ratio, 1.31 (95%\u2009CI, 1.15\u20131.50);\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.01). Among infants with moderate\u2010to\u2010severe neurodevelopmental impairment (NDI), 57.1% (8\/14) had evidence of brain injury. Brain injury alone did not account for the impairment in 71.4% (10\/14) of cases with moderate\u2010to\u2010severe NDI.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Brain injury was observed in approximately one\u2010fifth of infants with TAPS, was primarily postnatal in origin and was strongly associated with preterm birth. In the majority of infants with moderate\u2010to\u2010severe NDI, the impairment could not be explained by the observed severe brain injury alone, emphasizing its probable multifactorial origin. \u00a9 2026 The Author(s).\n                      <jats:italic>Ultrasound in Obstetrics &amp; Gynecology<\/jats:italic>\n                      published by John Wiley &amp; Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/uog.70209","type":"journal-article","created":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T09:34:36Z","timestamp":1774863276000},"page":"470-481","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Brain injury in twin anemia\u2013polycythemia sequence: prevalence, severity and long\u2010term neurodevelopmental outcome"],"prefix":"10.1002","volume":"67","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-1715-093X","authenticated-orcid":false,"given":"M.","family":"Rondagh","sequence":"first","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-5693-7355","authenticated-orcid":false,"given":"J. W.","family":"van der Spoel","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"Lopriore","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3789-0946","authenticated-orcid":false,"given":"J. A.","family":"Spekman","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. S.","family":"de Vries","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. M. M.","family":"van Klink","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2078-2295","authenticated-orcid":false,"given":"L. S. A.","family":"Tollenaar","sequence":"additional","affiliation":[{"name":"Fetal Therapy, Department of Obstetrics Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3952-0313","authenticated-orcid":false,"given":"F.","family":"Slaghekke","sequence":"additional","affiliation":[{"name":"Fetal Therapy, Department of Obstetrics Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. J.","family":"Steggerda","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8832-045X","authenticated-orcid":false,"given":"S. G.","family":"Groene","sequence":"additional","affiliation":[{"name":"Willem\u2010Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology Leiden University Medical Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,3,30]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.20846"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/jcm12237211"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1017\/thg.2016.18"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/FM9.0000000000000065"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.22042"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jogc.2018.04.005"},{"key":"e_1_2_7_8_1","unstructured":"The TAPS Trial \u2010 Fetoscopic Laser Surgery for Twin Anemia\u2010Polycythemia Sequence \u2010 a Multicenter Open\u2010Label Randomized Controlled Trial. 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