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Impact of recipient twin preoperative myocardial performance index in twin-twin transfusion syndrome treated with laser
Objective: To validate the efficacy of laser therapy for twin-twin transfusion syndrome (TTTS) in the treatment of recipient twin cardiomyopathy and investigate whether severity of preoperative cardiomyopathy can predict fetal survival postoperatively. Study design: Retrospective study of monochorio...
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Published in: | The journal of maternal-fetal & neonatal medicine 2017-04, Vol.30 (7), p.767-771 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Objective: To validate the efficacy of laser therapy for twin-twin transfusion syndrome (TTTS) in the treatment of recipient twin cardiomyopathy and investigate whether severity of preoperative cardiomyopathy can predict fetal survival postoperatively.
Study design: Retrospective study of monochorionic-diamniotic (MCDA) pregnancies complicated by TTTS treated by selective fetoscopic laser photocoagulation (SFLP) performed between March 2010 and October 2014 at a single center. The recipient right ventricular (RV) and left ventricular (LV) myocardial performance index (MPI) were measured both pre- and postoperatively. The data were analyzed with the Wilcoxon signed rank and parametric t-tests.
Results: Forty-three women met inclusion criteria during the study period. There was a substantial improvement in recipient LV (0.57 ± 0.13 versus 0.43 ± 0.13, p ≤ 0.0001) and RV (0.60 ± 0.16 versus 0.49 ± 0.18, p ≤ 0.0001) MPI postoperatively (median = 8 days). Recipient preoperative LV and RV MPI did not correlate with recipient or donor survival at 24 hours, 7 days or at birth. Thirty-seven recipients (95%) showed improvement in either LV or RV MPI and 22 (56%) showed complete resolution of cardiac dysfunction.
Conclusion: Laser treatment for TTTS causes rapid improvement in the cardiac function of recipient fetuses. The severity of recipient preoperative MPI does not correlate with survival of either twin postoperatively. |
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ISSN: | 1476-7058 1476-4954 |
DOI: | 10.1080/14767058.2016.1187124 |