Journal
ARCHIVES OF GYNECOLOGY AND OBSTETRICS
Volume 300, Issue 6, Pages 1583-1589Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00404-019-05339-x
Keywords
Placenta; Recurrent IUGR; Histopathological features; Vascular malperfusion
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Purpose Intrauterine growth restriction (IUGR) is a leading cause of perinatal morbidity and mortality, carrying a 20% recurrence rate. The placental disease is a cardinal factor among IUGR underlying processes. This study describes placental histopathological features (HPf) characteristic of recurrent IUGR (rIUGR) and assesses association with antenatal Doppler studies. Methods We conducted a retrospective case-control study, between the years 2005-2016, evaluating 34 placentae of 17 women with rIUGR, and 59 placentae of a gestational age-matched control. Doppler studies within a week prior to delivery were analyzed for the rIUGR group. Results Placental HPf characteristic of rIUGR is maternal and fetal vascular malperfusion lesions; maternal accelerated villous maturation and villous infarcts, repetitive feature rate 88.8% (95% CI 37.2-97), and fetal chorionic plate/stem villous thrombi, repetitive feature rate 66.6% (95% CI 30-90.3). Among women with abnormal Doppler, 83.3% had a placenta HPf of maternal vascular malperfusion lesions and 66.7% presented with a hypertensive disorder. Conclusions Women with rIUGR are a unique group of patients characterized by repetitive placental HPf of both maternal and fetal vascular malperfusion lesions. Specifically, maternal vascular malperfusion lesions are associated with abnormal Doppler findings. In conclusion, characteristic placental HPf may serve as predictors of future IUGR recurrence, thus offering early recognition of pregnancies that require high-risk antenatal care.
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