{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T07:06:31Z","timestamp":1777878391448,"version":"3.51.4"},"reference-count":8,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2015,11,19]],"date-time":"2015-11-19T00:00:00Z","timestamp":1447891200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["World J Pediatr Congenit Heart Surg"],"published-print":{"date-parts":[[2016,3]]},"abstract":"<jats:p>We report a case of a 15-month-old female presenting with a large aortopulmonary window during a medical mission. The optimal surgical correction for this patient would be based on an estimation of her pulmonary vascular reactivity. This report details the use of antegrade\/retrograde flow ratios using Doppler measurements in the proximal descending aorta at baseline and while receiving 100% oxygen. A large increase in the proportion of retrograde flow under the 100% oxygen condition suggested a reactive pulmonary vascular bed. She underwent a complete repair with patch closure of the aortopulmonary window. A postoperative echocardiographic assessment showed near normal right ventricular pressures.<\/jats:p>","DOI":"10.1177\/2150135115588563","type":"journal-article","created":{"date-parts":[[2016,1,11]],"date-time":"2016-01-11T18:13:16Z","timestamp":1452535996000},"page":"223-226","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Novel Technique to Evaluate Pulmonary Vascular Resistance in a Patient With Aortopulmonary Window"],"prefix":"10.1177","volume":"7","author":[{"given":"Jamie","family":"Penk","sequence":"first","affiliation":[{"name":"Advocate Children\u2019s Hospital, Oak Lawn, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Wax","sequence":"additional","affiliation":[{"name":"Anne & Robert H. Lurie Children\u2019s Hospital of Chicago, Chicago, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian","family":"Gilbert","sequence":"additional","affiliation":[{"name":"Division of Cardiology, St Joseph\u2019s Hospital, Bornemann Cardiothoracic Associates, Reading, PA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C. E.","family":"Duffy","sequence":"additional","affiliation":[{"name":"Anne & Robert H. 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