The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes

Background: Soluble fms-like tyrosine kinase receptor-1 (sFlt-1)/placental growth factor (PlGF) ratio has been studied extensively as a predictive marker for pre-eclampsia. However, its usefulness for predicting neonatal outcomes remains unknown. This study aimed to evaluate the association of sFlt-...

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Main Authors: Yu-Shan Chang, Chi-Nien Chen, Suh-Fang Jeng, Yi-Ning Su, Chien-Yi Chen, Hung-Chieh Chou, Po-Nien Tsao, Wu-Shiun Hsieh
Format: Article
Language:English
Published: Elsevier 2017-12-01
Series:Pediatrics and Neonatology
Online Access:http://www.sciencedirect.com/science/article/pii/S1875957217302863
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author Yu-Shan Chang
Chi-Nien Chen
Suh-Fang Jeng
Yi-Ning Su
Chien-Yi Chen
Hung-Chieh Chou
Po-Nien Tsao
Wu-Shiun Hsieh
author_facet Yu-Shan Chang
Chi-Nien Chen
Suh-Fang Jeng
Yi-Ning Su
Chien-Yi Chen
Hung-Chieh Chou
Po-Nien Tsao
Wu-Shiun Hsieh
author_sort Yu-Shan Chang
collection DOAJ
description Background: Soluble fms-like tyrosine kinase receptor-1 (sFlt-1)/placental growth factor (PlGF) ratio has been studied extensively as a predictive marker for pre-eclampsia. However, its usefulness for predicting neonatal outcomes remains unknown. This study aimed to evaluate the association of sFlt-1/PlGF ratio with pregnancy outcomes, neonatal morbidities and short-term postnatal growth patterns in pregnant women and their babies. Methods: sFlt-1 and PlGF were measured in women with fetal intrauterine growth retardation (IUGR) or pre-eclampsia during gestational age (GA) of 16â36 weeks. These women were classified into high- and low-ratio groups with a sFlt-1/PlGF cut-off ratio of 85. The maternal and neonatal outcomes were retrospectively reviewed and compared between the two groups. Results: A total of 25 pregnant women were recruited. Thirteen of them had a sFlt-1/PlGF ratio over 85 and twelve had a ratio of less than 85. The median duration from elevation of sFlt-1/PlGF to delivery was 4.5 weeks. Women in the high SFlt-1/PlGF ratio group had higher rates of intrauterine fetal demise (2/13 vs. 0/12) and early termination (1/13 vs. 0/12). The surviving offspring in this group had a higher incidence of preterm birth (GA: 31.4 ± 2.9 weeks vs. 37.3 ± 1.3 weeks, p < 0.001), lower birth weight (1142 ± 472 g vs. 2311 ± 236 g, p < 0.001), higher incidence of respiratory distress syndrome (6/10 vs. 0/12, p = 0.002) and bronchopulmonary dysplasia (4/10 vs. 0/12, p = 0.01). However, the percentile of body weight, height and head circumference at 28 days of age, 56 days of age and the corrected age of 6 months were comparable between groups. Conclusions: High sFlt-1/PlGF ratio in pregnant women is associated with poor pregnancy and neonatal outcomes. Therefore, the monitoring of sFlt-1/PlGF ratio in pregnant women with fetal IUGR and timely management for placenta-associated diseases are recommended. Key Words: fetal growth retardation, pregnancy outcome, placenta growth factor
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spelling doaj.art-5de987891e5a4e099fbc9f50786014502022-12-22T03:33:57ZengElsevierPediatrics and Neonatology1875-95722017-12-01586529533The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomesYu-Shan Chang0Chi-Nien Chen1Suh-Fang Jeng2Yi-Ning Su3Chien-Yi Chen4Hung-Chieh Chou5Po-Nien Tsao6Wu-Shiun Hsieh7Department of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University College of Medicine, Taipei, TaiwanDepartment of Pediatrics, National Taiwan University Hsinchu Branch, Hsinchu, TaiwanSchool and Graduate Institute of Physical Therapy, National Taiwan University College of Medicine, Taipei, TaiwanDianthus Maternal Fetal Medicine Clinic, Taipei, Taiwan; Department of Obstetrics and Gynecology, School of Medicine, Taipei Medical University College of Medicine, Taipei, TaiwanDepartment of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University College of Medicine, Taipei, TaiwanDepartment of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University College of Medicine, Taipei, TaiwanDepartment of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University College of Medicine, Taipei, TaiwanDepartment of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Pediatrics, Cathay General Hospital, Taipei, Taiwan; Corresponding author. Department of Pediatrics, Cathay General Hospital, No. 280, Sec. 4, Ren Ai Road, Taipei, Taiwan. Fax: +886 2 23147450.Background: Soluble fms-like tyrosine kinase receptor-1 (sFlt-1)/placental growth factor (PlGF) ratio has been studied extensively as a predictive marker for pre-eclampsia. However, its usefulness for predicting neonatal outcomes remains unknown. This study aimed to evaluate the association of sFlt-1/PlGF ratio with pregnancy outcomes, neonatal morbidities and short-term postnatal growth patterns in pregnant women and their babies. Methods: sFlt-1 and PlGF were measured in women with fetal intrauterine growth retardation (IUGR) or pre-eclampsia during gestational age (GA) of 16â36 weeks. These women were classified into high- and low-ratio groups with a sFlt-1/PlGF cut-off ratio of 85. The maternal and neonatal outcomes were retrospectively reviewed and compared between the two groups. Results: A total of 25 pregnant women were recruited. Thirteen of them had a sFlt-1/PlGF ratio over 85 and twelve had a ratio of less than 85. The median duration from elevation of sFlt-1/PlGF to delivery was 4.5 weeks. Women in the high SFlt-1/PlGF ratio group had higher rates of intrauterine fetal demise (2/13 vs. 0/12) and early termination (1/13 vs. 0/12). The surviving offspring in this group had a higher incidence of preterm birth (GA: 31.4 ± 2.9 weeks vs. 37.3 ± 1.3 weeks, p < 0.001), lower birth weight (1142 ± 472 g vs. 2311 ± 236 g, p < 0.001), higher incidence of respiratory distress syndrome (6/10 vs. 0/12, p = 0.002) and bronchopulmonary dysplasia (4/10 vs. 0/12, p = 0.01). However, the percentile of body weight, height and head circumference at 28 days of age, 56 days of age and the corrected age of 6 months were comparable between groups. Conclusions: High sFlt-1/PlGF ratio in pregnant women is associated with poor pregnancy and neonatal outcomes. Therefore, the monitoring of sFlt-1/PlGF ratio in pregnant women with fetal IUGR and timely management for placenta-associated diseases are recommended. Key Words: fetal growth retardation, pregnancy outcome, placenta growth factorhttp://www.sciencedirect.com/science/article/pii/S1875957217302863
spellingShingle Yu-Shan Chang
Chi-Nien Chen
Suh-Fang Jeng
Yi-Ning Su
Chien-Yi Chen
Hung-Chieh Chou
Po-Nien Tsao
Wu-Shiun Hsieh
The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes
Pediatrics and Neonatology
title The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes
title_full The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes
title_fullStr The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes
title_full_unstemmed The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes
title_short The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes
title_sort sflt 1 plgf ratio as a predictor for poor pregnancy and neonatal outcomes
url http://www.sciencedirect.com/science/article/pii/S1875957217302863
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