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Results for “ERYTHROBLASTOSIS, FETAL”

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At least 271 records · Page 15Linked to original sources
PubMed2006

Association of hypospadias and cardiac defect in a Parvovirus B19-infected stillborn: a causality relation?

Parvovirus B19 intrauterine infection is a known cause of hydrops fetalis and fetal death. It is also associated with congenital malformations, although the teratogenic potential seems to be low. Postmortem examination of a male stillborn of 29 gestational weeks revealed mild subcutaneous edema, malformed micropenis, perineoscrotal hypospadias and atrial septal defect, along with fetal erythroblastosis and villitis. Polymerase chain reaction detected Parvovirus B19 DNA genome in tissues from the fetus and the placenta, confirming the hypothesis of an intrauterine infection.

Abnormalities, Multiple↗
PubMed1993

Fetal plasma erythropoietin concentration in severe growth retardation.

OBJECTIVE: The aim of this study was to determine whether hypoxemia induces an increase in plasma erythropoietin concentration in human fetal life and, if so, whether this response stimulates fetal erythropoiesis. STUDY DESIGN: The plasma erythropoietin concentration in blood samples from 33 small-for-gestational-age fetuses at 26 to 38 weeks' gestation was measured. Measurements were compared with the reference range for gestation, and associations with PO2, pH, and erythroblast and erythrocyte counts were examined. RESULTS: The mean plasma erythropoietin concentration in the small-for-gestational-age fetuses was significantly increased, and the degree of increase was significantly associated both with fetal acidemia and, more strongly, with fetal erythroblastosis. CONCLUSION: Erythropoietin production in response to tissue hypoxia occurs from at least 26 weeks' gestation with measurable physiologic effects on erythropoiesis. Furthermore, more accurate assessment of tissue oxygenation may be obtained by measuring the erythroblast count rather than the blood pH.

Erythrocyte Count↗
PubMed1982

Neuroblastoma in situ.

Two cases of neuroblastoma in situ incidentally found in young infants at autopsy are reported. One was an 8-day-old female infant of large for dates clinically diagnosed as fetal erythroblastosis. Histologically, several foci of tumor were scattered within the medulla of the left adrenal gland. This case was thought to be multiple neuroblastoma in situ. The other was a 34-day-old male infant who was born premature and associated with patent ductus arteriosus (PDA). Grossly, a solitary small nodule was seen in the right adrenal gland. Microscopically, the lesion was located within the medulla. In both cases, the tumor was composed of lymphocyte-like small and dark cells with rosette formations. Local infiltrations were observed, but not metastasis. The review of 611 autopsy cases of neuroblastoma reported in the Annual of the Pathological Autopsy Cases in Japan, vol. 11 (1968) to vol. 20 (1977)2 revealed 7 cases of neuroblastoma in situ including one of our cases. The peculiar features of neuroblastoma were described.

Adrenal Gland Neoplasms↗
PubMedDate not supplied

RhD isoimmunization and current management modalities.

OBJECTIVE: To review the literature on current perspectives and treatment of RhD isoimmunization. DATA SOURCES: A search was conducted on MEDLINE and CINAHL, and supplemental articles/ bulletins were obtained from cited references and the Web site of the American College of Obstetricians and Gynecologists. Recent texts also were reviewed. Key search words: isoimmunization, Rho (d) immune globulin, fetal erythroblastosis, intrauterine blood transfusions, alloimmunization. STUDY SELECTION: Articles and comprehensive works from indexed journals in the English language relevant to key words and published after 1995 were evaluated. Historically relevant periodicals and texts were also reviewed and selected. DATA EXTRACTION: Data were extracted and organized under the following headings: testing of the antepartum patient, antepartum treatment of isoimmunization, testing of the postpartum patient, anti-D immune globulin, antepartum anti-D immune globulin prophylaxis, other antepartum and obstetric indications for anti-D immune globulin administration, postpartum anti-D immune globulin prophylaxis, nursing implications, and future possibilities. DATA SYNTHESIS: RhD isoimmunized pregnancies continue to contribute to worldwide perinatal and neonatal morbidity and mortality. This review describes the basic knowledge necessary to care for these pregnancies and the current management modalities. CONCLUSIONS: The management options for RhD compromised gestations continue to evolve almost as quickly as technological advances are made. Multiple areas of research in this field have surfaced, and nurses can become valuable members of these research teams. The literature also indicates that with the available knowledge and resources, the current rate of RhD isoimmunization can be further decreased with closer adherence to proposed management guidelines by all health care professionals.

Female↗
PubMed1993

Sensorineural outcome at 2 years for survivors of erythroblastosis treated with fetal intravascular transfusions.

OBJECTIVE: To determine the sensorineural outcome at 2 years of age in a complete cohort of survivors of fetal intravascular transfusions. METHODS: From March 1984 to May 1990, 38 of 52 consecutive fetuses (73%) suffering from severe erythroblastosis survived attempted intravascular transfusions at the Royal Women's Hospital, Melbourne. At 2 years of age, corrected for prematurity where appropriate, the survivors had a psychological assessment, including the mental developmental index of the Bayley scales, and a standardized neurodevelopmental examination. RESULTS: Only one transfused child had a severe sensorineural disability, with severe developmental delay and multiple minor motor seizures. Another child was moderately disabled with spastic hemiplegia. In neither case were complications of an intravascular transfusion the likely explanation for the disability. Only one other child had a mental developmental index in the suspect range. The remaining 35 children (92.1%) had no sensorineural disability. The overall rate of sensorineural impairments and disabilities was lower in the group transfused than in previous reports of survivors of intraperitoneal transfusions. The mean mental developmental index was significantly higher in the transfused group than in a control group of normal birth weight children. CONCLUSION: Children who survive fetal intravascular transfusions compare favorably not only with other high-risk survivors, but also with low-risk children.

Blood Transfusion, Intrauterine↗
PubMed1977

Erythroblastosis models. II. Materno-fetal incompatibility in chimpanzee.

Erythroblastosis fetalis represents a significant hazard for successful management of pregnancy in man and in marmosets, but not in crab-eating macaques. Materno-fetal blood group incompatibility in chimpanzee is described as a contributing factor in the death of an infant. The findings indicate that parental blood groups should be taken into consideration when breeding chimpanzees.

Animals↗