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02 April 2016, Volume 32 Issue 4 Previous Issue    Next Issue

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Placental factor and clinical diagnosis and treatment of fetal growth restriction. LUO Xiao-fang, QI Hong-bo. 2016, 32(4): 298-302.  DOI: 10.7504/fk2016030103 Abstract ( )   Abstract:Fetal growth restriction，also known as intrauterine growth restriction, is one of the common complications of pregnancy in obstetrics. And it is also the second reason of perinatal death which has been associated with a variety of adverse perinatal outcomes and long-term complications in later life. So it is essential to make etiology diagnosis timely, monitor the fetal growth and well-being closely, and determine the optimal time for and route of delivery for the purpose of improving the outcomes and reducing perinatal morbidity and mortality of FGR fetus.

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Early warning and detection and management of placenta-mediated factors in preeclampsia syndrome. YANG Zi. 2016, 32(4): 302-308.  DOI: 10.7504/fk2016030104 Abstract ( )   Abstract:Early onset preeclampsia and late onset preeclampsia are significantly different in the pathogenesis and clinical manifestation. There is an association between preeclampsia and other placenta-mediated pregnancy complications, including the pregnancy loss, small-for-gestational-age, and placental abruption and premature birth. The placenta has become a focus in preeclampsia especially on early onset ones. In this article, we talk about our experience of how to find the placental related factors and the early warning, and the management options.

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Placental disease and preterm birth. CHEN Yi-hong,LIU Xing-hui. 2016, 32(4): 308-312.  DOI: 10.7504/fk2016030105 Abstract ( )   Abstract:In recent years, the preterm birth rate is gradually increasing, and is caused by many factors. This is the most significant clinical problem facing contemporary obstetrics in the worldwide .This article assesses the relationship between preterm birth and placental disease, and elaborates on the prediction, prevention ,the current clinical diagnosis and treatment of preterm birth, in order to improve the perinatal outcomes.

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Placental ischemia and placental abruption. LI Lei, LIAN Yan, WANG Xie-tong 2016, 32(4): 312-315.  DOI: 10.7504/fk2016030106 Abstract ( )   Abstract: Placental abruption is one of the most important causes of maternal morbidity and perinatal mortality. The initial event leading to placental abruption is thought to be an ischemic lesion of the decidua, resulting in decidual necrosis, vascular disruption and bleeding. In the event of hemorrhage, laceration and dissection along a decidual plane and placental separation occur. The latter produces more vascular disruption, arterial hemorrhage and retroplacental accumulation of blood, which leads to placental abruption at last.

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Placenta accreta: challenging diagnosis and management strategies. HE Fang,CHEN Dun-Jin. 2016, 32(4): 315-318.  DOI: 10.7504/fk2016030107 Abstract ( )   Abstract: Placenta accreta is associated not only with serious obstetrical hemorrhage resulting in peripartum hysterectomy and maternal mortality but also with medically indicated preterm birth paralleling with higher new born morbidity and mortality. Reasonable expected therapy together with multidisciplinary team care around delivery are cornerstones needed to provide the best obstetric and medical care to these women. Tailored management approach guarantees the highest rates of patient safety，uterine reserve and serious complication reduction.

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Placental characteristic and clinical prognosis of twin gestation. LIU Cai-xia，NA Quan. 2016, 32(4): 318-321.  DOI: 10.7504/fk2016030108 Abstract ( )   Abstract: With the development of the application of assisted reproductive technologies and the increasing of maternal age, the frequency of twin gestations has increased severely. The risk of fetal structural anomalies and placental abnormalities in twins is much higher compared with singleton. Some of the nonspecific placental abnormalities can be found in twin gestations which can also be seen in singleton gestations， such as placenta previa, placental abruption, etc. However, other anomalies are unique to twin gestations, and are mainly associated with monochorionic twins, which include intraplacental anastomosis. Most of abnormalities can be diagnosed with ultrasound, including determination of chorionicity and amnionicity, and the identification of placental anomalies. Pathologic placental examination after delivery is useful in assessing the presence of placental abnormalities, as well as providing information about chorionicity and understanding the potential mechanisms of disease affecting twin gestations.

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Ultrasonography of the placental abnormalities. REN Yun-yun. 2016, 32(4): 321-326.  DOI: 10.7504/fk2016030109 Abstract ( )   Abstract: The ultrasound evaluation of the placenta should include morphology and function. The abnormalities of placental location and structure include placenta previa, vasa previa, placenta accreta/increta/percreta, placenta abruption ,etc. The assessment of umbilical blood flow provides information on blood perfusion of the fetal-placental unit. Uterine artery Doppler is a useful test in predicting pregnancies at high risk of developing complications related to uteroplacental insufficiency.

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MRI characteristics of abnormal placenta. WANG Zhi-jian,CAO Yan-wen. 2016, 32(4): 326-330.  DOI: 10.7504/fk2016030110 Abstract ( )   Abstract: Abnormal placenta can lead to severe obstetric complications. Depending on just clinical symptoms and laboratory tests, it is very difficult for the obstetricians to make an accurate diagnosis of abnormal placenta. It needs imaging evidences. With the growing development of MRI technology, MRI is more and more widely used in the diagnosis of abnormal placenta. This paper expounds on MRI method and MRI characteristics of the abnormal placenta, and clears the diagnostic value of MRI.

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Alteration of placental micro-environment and preeclampsia. TONG Tong,CHENG Wei-wei. 2016, 32(4): 330-334.  DOI: 10.7504/fk2016030111 Abstract ( )   Abstract: Placenta is critical for fetal development. Insufficient invasion of trophoblasts leads to impaired remodeling of uterine spiral arteries, which plays a critical role in the pathological mechanism of preeclampsia. The ratio of sFlt-1/PIGF may have important predicting value in the diagnosis and prognosis of preeclampsia.