{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T19:41:06Z","timestamp":1792438866275,"version":"4.5.0"},"reference-count":34,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T00:00:00Z","timestamp":1788393600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T00:00:00Z","timestamp":1788393600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To determine pre\u2010procedure maternal, pregnancy and fetal factors associated with survival until 6\u2009months of age and evaluate temporal trends in survival outcomes over a 25\u2010year period following fetoscopic laser ablation (FLA) of placental anastomoses in monochorionic twin pregnancies with twin\u2013twin transfusion syndrome (TTTS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Retrospective observational study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Settings<\/jats:title>\n                    <jats:p>A tertiary care fetal centre in Canada.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Population or Sample<\/jats:title>\n                    <jats:p>One thousand and five patients undergoing TTTS between 1998 and 2023.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patient demographics, pregnancy, procedural and outcome details were collected. Predictors for single and dual survival were identified using multivariable logistic regression. Temporal trends in survival outcomes across the study period were also examined.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main Outcome Measures<\/jats:title>\n                    <jats:p>Fetal\/neonatal survival at 6\u2009months and predictors for single and dual survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 915 included fetoscopies, 597 pregnancies (65.2%) achieved dual survival, 217 (23.9%) had a single survivor, and 101 (11%) resulted in dual demise. Survival rates improved significantly over the 25\u2010year study period for both single and dual survival (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03 and\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.0004, respectively). Three significant pre\u2010procedural predictors of dual demise versus one or two survivors were: cervical length \u2264\u200915\u2009mm (adjusted odds ratio [AOR] 6.1, 95% CI 2.7\u201314.1), earlier gestational age (GA) at intervention (AOR 1.2 per earlier week, 95% CI 1.1\u20131.3), and abnormal donor umbilical artery Doppler flow (AOR 5.1, 95% CI 1.7\u201315.6). A prediction calculator using this model achieved an area under the curve of 0.65.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Short cervical length (\u2264\u200915\u2009mm), presence of abnormal donor umbilical artery Doppler waveform, and early GA at time of intervention are significant predictors of fetal\/neonatal survival at 6\u2009months following FLA in TTTS and thus, are valuable parameters to consider for pre\u2010procedural counselling.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1471-0528.70332","type":"journal-article","created":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T09:26:51Z","timestamp":1788427611000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Pre\u2010Procedure Predictors of Six\u2010Month Survival After Fetoscopic Laser Ablation for Twin\u2013Twin Transfusion Syndrome (\n                    <scp>TTTS<\/scp>\n                    ): Retrospective Observational Study"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2686-0549","authenticated-orcid":false,"given":"Yang Huang Grace","family":"Ng","sequence":"first","affiliation":[{"name":"Ontario Fetal Centre Mount Sinai Hospital  Toronto Ontario Canada"},{"name":"University of Toronto  Toronto Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9920-0488","authenticated-orcid":false,"given":"Prakesh S.","family":"Shah","sequence":"additional","affiliation":[{"name":"University of Toronto  Toronto Ontario Canada"},{"name":"Department of Paediatics Mount Sinai Hospital  Toronto Ontario 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