{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T17:03:43Z","timestamp":1773421423831,"version":"3.50.1"},"reference-count":41,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2010,1,1]],"date-time":"2010-01-01T00:00:00Z","timestamp":1262304000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Transplantation"],"published-print":{"date-parts":[[2010]]},"abstract":"<jats:p><jats:italic>Background<\/jats:italic>. Although pulmonary hypertension complicating dilated cardiomyopathy has been shown to be a significant risk factor for graft failure after heart transplantation, the upper limits of pulmonary vascular resistance (PVR) that would contraindicate pediatric heart transplantation are not known.<jats:italic>Methods<\/jats:italic>. A retrospective review of all pediatric orthotopic heart transplant (OHT) performed at our institution from 2002 to 2007 was performed. Seven patients with PVR Wood's units (WU) prior to transplant were compared pre- and postoperatively with 20 matched controls with PVR WU. All pulmonary vasodilator therapies used are described as well as outcomes during the first year posttransplant.<jats:italic>Results<\/jats:italic>. The mean PVR prior to transplantation in the 7 study cases was (range 6\u201322) WU, compared to mean PVR of WU (0.56\u20134.5) in the controls (). All patients with elevated PVR were treated pre-OHT with either Sildenafil or Bosentan. Post-OHT, case patients received a combination of sildenafil, iloprost, and inhaled nitric oxide. All 7 case patients survived one year post-OHT, and there was no statistical difference between cases and controls for hospital stay, rejection\/readmissions, or graft right ventricular failure. Mean PVR in the cases at one and three months post-OHT was not significantly different between the two groups. Only one of the cases required prolonged treatment with iloprost after OHT.<jats:italic>Conclusions<\/jats:italic>. A PVR above 6 WU should not be an absolute contraindication to heart transplantation in children.<\/jats:p>","DOI":"10.1155\/2010\/656984","type":"journal-article","created":{"date-parts":[[2010,3,11]],"date-time":"2010-03-11T12:27:23Z","timestamp":1268310443000},"page":"1-6","source":"Crossref","is-referenced-by-count":26,"title":["Initial Experience with Sildenafil, Bosentan, and Nitric Oxide for Pediatric Cardiomyopathy Patients with Elevated Pulmonary Vascular Resistance before and after Orthotopic Heart Transplantation"],"prefix":"10.1155","volume":"2010","author":[{"given":"Babak","family":"Daftari","sequence":"first","affiliation":[{"name":"UCLA Medical Center, Mattel Children's Hospital, Los Angeles, CA 90025, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan Carlos","family":"Alejos","sequence":"additional","affiliation":[{"name":"UCLA Medical Center, Mattel Children's Hospital, Los Angeles, CA 90025, 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