Prenatal diagnosis · 2011
Changes in the recipient fetal Tei index in the peri-operative period after laser photocoagulation of placental anastomoses for twin-twin transfusion syndrome.
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Papanna Ramesha, Mann Lovepreet K, Molina Saulo, Johnson Anthony, Moise Kenneth J
Аннотация
OBJECTIVE: To assess serial changes in the Tei index of the recipient fetus secondary to fetoscopic laser photocoagulation of placental anastomoses (FLP) for twin-twin transfusion syndrome (TTTS) during the peri-operative period.
STUDY DESIGN: A prospective study of cases that underwent FLP at the Texas Children's Fetal Center was performed. Mean and individual changes in the Tei index measurements were obtained during the pre-operative, intra-operative and the post-operative (12-h and 24-h) periods after surgery and were compared using paired t-test. A p-value of < 0.05 was considered as significant.
RESULTS: A total of 20 patients were included in the study. In both the right and the left side, the mean Tei indices appeared to be increased from baseline during the intra-operative period, with a subsequent decrease to pre-operative values within 24 h of laser surgery. These changes were also noted when individualized patient results were analyzed in a serial fashion.
CONCLUSION: FLP results in a transient increase in the intra-operative myocardial performance index in the recipient fetus. These changes appear to resolve in the post-operative period.
STUDY DESIGN: A prospective study of cases that underwent FLP at the Texas Children's Fetal Center was performed. Mean and individual changes in the Tei index measurements were obtained during the pre-operative, intra-operative and the post-operative (12-h and 24-h) periods after surgery and were compared using paired t-test. A p-value of < 0.05 was considered as significant.
RESULTS: A total of 20 patients were included in the study. In both the right and the left side, the mean Tei indices appeared to be increased from baseline during the intra-operative period, with a subsequent decrease to pre-operative values within 24 h of laser surgery. These changes were also noted when individualized patient results were analyzed in a serial fashion.
CONCLUSION: FLP results in a transient increase in the intra-operative myocardial performance index in the recipient fetus. These changes appear to resolve in the post-operative period.