Nonimmune hydrops fetalis and congenital disorders of. These fluidfilled spaces can occur in different fetal body locations, including. It is the physiological endstage process in a number of fetal conditions and placental pathologies. To describe the current investigation and management of nonimmune fetal hydrops, with a focus. Hydrops fetalis is the presence of excessive fluid in two or more fetal compartments including skin edema, pleural effusion, pericardial effusion, ascites, and polyhydramnios. This is a condition in which mother who has rh negative blood type makes antibodies to her babys rh positive blood. Nonimmune hydrops fetalis american academy of pediatrics. The subject of this study was 38 cases of nonimmune hydrops fetalis and 11 cases of fetal hydrothorax and or ascites fha. Investigation and management of nonimmune fetal hydrops. Department of significance of 3methoxytyrosine and it.
Apr 01, 2016 hydrops is traditionally classified into either immune particularly rhesus rh blood group isoimmunisation or nonimmune hydrops fetalis nihf. This is me with my son, who is a survivor of hydrops fetalis. Methods cohort of cases of nihf between july 20 and december 2018. Nonimmune hydrops fetalis has been reported with an incidence of 1 in 2 500 to 1 in 4 000 deliveries. Hydrops fetalis secondary to parvovirus b19 infections. Ninety percent are nonimmune not the result of red cell alloimmunization. For 150 years, families have come from around the corner and across the world, looking to boston childrens for answers. Pdf nonimmune hydrops fetalis nihf is a rare fetal condition with a very. Nonimmune hydrops fetalis yurdakok journal of pediatric and. Extracorporeal life support for nonimmune hydrops fetalis by john f bealer, p cameron mantor, ladonna wehling, william p tunell, and david w. Nonimmune hydrops fetalis nihf refers to hydrops in the absence of maternal circulating redcell antibodies, and constitutes up to 90% of all described hydrops fetalis cases. Congenital hemolytic anemias are a group of infrequent diseases that can be produced by membrane, hemoglobin or enzyme disorders.
Onethird of hydropic fetuses are discovered incidentally during prenatal sonography in the first or second trimester of gestation. Douglas wilson, in fetal medicine third edition, 2020. Journal of pediatric and neonatal individualized medicine jpnim. We report a newborn infant with nonimmune hydrops fetalis nihf and congenital hypothyroidism. Hydrops fetalis, s a severe fetal condition described as the abnormal accumulation of fluid in 2 or more fetal compartments. We report a newborn infant with nonimmune hydrops fetalis nihf and congenital. Hydrops fetalis is severe swelling edema in an unborn baby or a newborn baby. Erythroblastosis fetalis and hydrops fetalis springerlink.
The decline in the frequency of rh isoimmunization has resulted in a decrease in the total incidence of hydrops fetalis, but there has been an increase in the relative proportion of nonimmune hydrops fetalis. Although first described in association with immune hydrops, many subsequent case descriptions have been described in the literature secondary to nonimmune hydrops fetalis nihf due to a variety of etiologies. View and download powerpoint presentations on hydrops fetalis ppt. Among the infectious agents, which have been associated with nonimmune hydrops fetalis, parvovirus b19 3 is the most common, although cmv.
Hydrops fetalis has been a wellrecognized fetal and neonatal condition throughout history. Nonimmune hydrops fetalis nihf can be one of the earliest signs of mps vii1,2 mps vii often goes undiagnosed in fetalstage infants with idiopathic nihf3 hydrops fetalis is a lifethreatening fetal state that is characterized by increased fluid accumulation in. Hydrops fetalis refers to abnormal fluid collections in fetal soft tissues and serous cavities. Hydrops fetalis or fetal hydrops is defined as a generalized abnormal accumulation of serous fluid in the entire body including abnormal collection in tissues and body cavities. Presentation may be prenatal with ultrasound diagnosis on at the time of delivery.
Feb 05, 2014 hydrops fetalis it is defined as generalized fetal edema or anasarca, which can be detected by an antenatal usg. Nonimmune hydrops fetalis in noonans syndrome jama. Hydrops fetalis erythroblastosis fetalis what is hydrops fetalis. Nonimmune hydrops fetalis can be caused by a wide variety of factors.
Next generation sequencing ngs is one area of precision medicine the holds promise for the diagnosis and treatment of fetal congenital anomalies, genetic. Jan 25, 2012 hydrops fetalis is a serious condition in which abnormal amounts of fluid build up in two or more body areas of a fetus or newborn. Hydrops fetalis treatment danafarberboston childrens. Multiple fetal anatomic and functional disorders can cause nihf. This type occurs when the baby has a disease or medical condition that disrupts the bodys ability to manage fluids. Nonimmune hydrops is the presence of two or more abnormal fetal fluid collections in the absence of red cell alloimmunization. Rh compatibility causes massive red blood cell destruction, which leads to several problems, including. Congenital hypothyroidism and nonimmune hydrops fetalis. The incidence of nonimmune hydrops without congenital heart failure in noonans syndrome is unknown, and, hence, its significance in relation to the severity of the other manifestations of the syndrome remains to be determined. Nonimmune hydrops fetalis due to congenital xerocytosis. Although hydrops is a fetal condition, in many cases there are associated. It may develop because of rh disease in the mother.
Nonimmune hydrops fetalis nihf is a rare fetal condition with a very high mortality in spite of advances in prenatal diagnostic techniques, early detection, and. Immune hydrops accounts for 1020%of cases maternal antibodies against redcells of the fetus cross the placenta and coat fetal red cells which are then destroyed hemolysis in the fetal spleen. Erythroblastosis fetalis, or hemolytic disease of the newborn, is a condition caused by specific antibodies of the mother, directed against red cell antigens of the fetus. Hydrops fetaliserythroblastosis fetalis what is hydrops fetalis. Hydrops fetalis is found in about 1 per 2,000 births and is categorized as immune or nonimmune hydrops. Full text full text is available as a scanned copy of the original print version. Severe fetal anemia and cardiac compromise are important causes of nonimmune hydrops fetalis, and fetal recovery also. Nonimmune hydrops fetalis nihf comprises the subgroup of cases not caused by red cell alloimmunization eg, rhd, kell. The type depends on the cause of the abnormal fluid. Hydrops fetalisor hydropsis a condition in which large amounts of fluid build up in a babys tissues and organs, causing extensive swelling edema. Hydrops fetalis is a serious, lifethreatening condition in which a fetus or newborn has an abnormal buildup of fluids in the tissue around the lungs, heart, or abdomen, or under the skin. Hydrops fetalis it is defined as generalized fetal edema or anasarca, which can be detected by an antenatal usg. This is the place where the most difficult challenges are faced head on, where the impossible becomes possible, and where families in search of answers find them. Find powerpoint presentations and slides using the power of, find free.
By comparison, hydrops allantois or hydrops amnion is an accumulation of excessive fluid in the allantoic or amniotic space, respectively. Almost all observed cases of hf are of the nonimmune type, the causes of which remain undetermined in 15% of patients. Ultrasound evaluation of hydrops fetalis radiology key. We thank dr oudesluysmurphy for reporting this mild case of hydrops fetalis in noonans syndrome that corroborates our observation. Hydrops fetalis is a condition in which a fetus or newborn has an abnormal amount of fluid buildup in the tissue surrounding the lungs pleural space, the tissue surrounding the heart pericardial sac, the abdomen a condition known as ascites, as well as under the skin a condition known as edema. Numerous etiologies may lead to nonimmune hydrops fetalis nihf including congenital disorders of glycosylation cdg. Immune hydrops fetalis is a complication of a severe form of rh incompatibility. These are largely rhd antigens, but rare cases of sensitization against other antigens e.
Hydrops fetalis is sometimes used as a synonym for homozygous alpha thalassemia, a lethal or lifethreatening disease of mid and late fetal development caused by. Get a printable copy pdf file of the complete article 753k, or click on a page image below to browse page by page. In approximately 14 of all cases, the cause is not. Nonimmune hydrops fetalis and fulminant fatal disease due. The clinical implications of fetal ascites with or without anasarca, maternal hydramnios, maternal oligohydramnios, or an abnormally thick placenta are discussed as they relate to fetal outcome. There are two types of hydrops fetalis, immune and nonimmune. Nonimmune hydrops fetalis in noonans syndromereply. Hydrops fetalis is not itself a disease, but an ultrasound marker of other fetal complications. With rhogam prophylaxis, the rate of sensitization has been reduced to 1%, according to a worldwide cooperative study. Hydrops fetalis hf consists of an abnormal accumulation of fluid in two or more fetal compartments, including ascites, pleural effusion, pericardial effusion, and skin edema. The incidence of fetal hydrops is reported to be 3 to 24 per 10,000 live births. Hydrops fetalis fetal hydrops is a pathologic condition of excessive accumulation of fluid in at least two extravascular compartments, including fetal soft tissues and body cavities.
The condition is subdivided in to a immune hydrops. Nonimmune fetal hydrops is a condition easily diagnosed by antenatal ultrasound. Hydrops fetalis is a serious condition in which abnormal amounts of fluid build up in two or more body areas of a fetus or newborn. In previous years, most cases of hydrops were caused by severe erythroblastosis fetalis secondary to rh iso. Pdf on jul 1, 2017, n gayatri and others published nonimmune fetal hydrops. Recent improvements in diagnosing parvovirus infections and the availability of intrauterine transfusion have reduced the overall rate of fetal loss after maternal exposure. Hydrops fetalis is an excess accumulation of fluid in the fetus. This link is one of the only forums that i can find with open discussion and support on the topic. Nonimmune hydrops fetalis the foundation for exxcellence in.
A wide spectrum of genetic causes may lead to nonimmune hydrops fetalis nihf, and a thorough phenotypic and genetic evaluation are essential to determine the underlying etiology, optimally manage these pregnancies, and inform discussions about anticipated prognosis. Hydrops fetalis hf is defined as the presence of excessive fetal fluid in two or more of the following spaces. Until the latter half of the 20th century, it was believed to be due to rhesus blood group isoimmunization of the fetus, although potter described infants. Nonimmune hydrops fetalis nihf refers to hydrops in the absence of. These fluidfilled spaces can occur in different fetal body locations. Reported survival rates in nonimmune hydrops fetalis vary considerably.
Jan 01, 2009 hydrops fetalis is the presence of excessive fluid in two or more fetal compartments including skin edema, pleural effusion, pericardial effusion, ascites, and polyhydramnios. Hydrops fetalis is a condition in the fetus characterized by an accumulation of fluid, or edema, in at least two fetal compartments. Hydrops fetalis genetic and rare diseases information. Immune hydrops accounts for 1024%of cases maternal antibodies against redcells of the fetus cross the placenta and coat fetal red cells which are then destroyed hemolysis in the fetal spleen. However, over 90% of hydrops in the western world is of nonimmune origin. Aetiology, diagnosis and treatment of hydrops foetalis. Among 27 fetuses exhibiting severe sonographic features of nonimmune hydrops fetalis, 33% survived the neonatal period. We describe two newborns with noonans syndrome who presented with nonimmune hydrops fetalis that was most likely secondary to a generalized lymphatic vessel dysplasia.
Donald school journal of ultrasound in obstetrics and. The society for maternalfetal medicine has published recommendations for the diagnostic evaluation of nonimmune hydrops fetalis nihf that. Understanding nihf to be a symptom or an endstage status of a variety of fetal conditions, along with improved fetal diagnostics and interventions, has changed the landscape for at least some fetuses. For five of the nine survivors, the prognosis remains uncertain or poor. It is not a specific disease but the end result of many fetal conditions. The rest of this section deals only with nonimmune hydrops fetalis. Nonimmune hydrops fetalis nonimmune hydrops fetalis diagnosisdefinition. Apr 23, 2009 in the era before routine immunization of rhesus rh negative mothers, most cases of hydrops were due to erythroblastosis from rh alloimmunization, but nowadays, nonimmune hydrops fetalis nihf is more frequent, representing 7687% of all described hf cases. Fetal infection by human parvovirus b19 is a common cause of fetal anemia, nonimmune hydrops fetalis, and spontaneous abortion and can result in fetal death. May, 2019 a wide spectrum of genetic causes may lead to nonimmune hydrops fetalis nihf, and a thorough phenotypic and genetic evaluation are essential to determine the underlying etiology, optimally manage these pregnancies, and inform discussions about anticipated prognosis. Nonimmune hydrops fetalis nihf historically has been considered a lethal fetal condition.
Extracorporeal life support for nonimmune hydrops fetalis. Appropriate investigation and management of nonimmune fetal hydrops. Nonimmune hydrops fetalis and fulminant fatal disease due to. Depending on the severity and cause of hydrops, there may be edema of fetus and placenta, ascites, pleural effusions andor pericardial effusions. For information on our recommended workup, download the nonimmune hydrops fetalis workup pdf. Immune hydrops accounts for 1020%of cases maternal antibodies against redcells of the fetus cross the placenta and coat fetal red cells which are then destroyed hemolysis in the. Etiology hydrops fetalis is found in about 1 per 2,000 births and is categorized as.
This is a condition in which mother who has rh negative blood type makes antibodies to her babys rh positive blood cells, and the antibodies cross the placenta. Oct 25, 2015 etiology hydrops fetalis is found in about 1 per 2,000 births and is categorized as. Nonimmune hydrops fetalis in noonans syndromereply jama. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. The diagnosis is reached when there is fluid accumulation in more than one extravascular space, this includes soft tissue edema in the skin or scalp, or fluid in body cavities such as ascites pleural effusion, pericardial effusion, or hydrocele. Hydrops fetalis, or hydrops, is a condition that occurs when large amounts of fluid build up in a babys tissues and organs causing extreme swelling. In the era before routine immunization of rhesus rh negative mothers, most cases of hydrops were due to erythroblastosis from rh alloimmunization, but nowadays, nonimmune hydrops fetalis nihf is more frequent, representing 7687% of all described hf cases. Nonimmune hydrops fetalis has been reported to be associated with congenital malformations. Immune hydrops fetalis is most often a complication of a severe form of rh incompatibility, which can be prevented. Until the latter half of the 20th century, it was believed to be due to rhesus blood group isoimmunization of the fetus, although potter described infants who had nonimmune causes of fetal hydrops.