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Hematologic disorders and nonimmune hydrops fetalis

M O Arcasoy1, P G Gallagher

  • 1Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA.

Seminars in Perinatology
|December 1, 1995
PubMed
Summary

Hematologic disorders cause nonimmune hydrops fetalis in up to 27% of cases, primarily through anemia. Understanding the causes of anemia, whether from blood loss or underproduction, is key for diagnosis and management.

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Area of Science:

  • Perinatology
  • Hematology
  • Fetal Medicine

Background:

  • Nonimmune hydrops fetalis (NIHF) is a serious condition with significant fetal mortality.
  • Hematologic disorders are a notable cause of NIHF, contributing to 10-27% of cases.
  • Anemia is the central mechanism linking hematologic disorders to NIHF, leading to heart failure and fluid accumulation.

Purpose of the Study:

  • To review the presentation, diagnosis, and management of hematologic disorders causing NIHF.
  • To categorize the etiologies of anemia in fetuses with NIHF.
  • To highlight the clinical significance of hematologic conditions in NIHF.

Main Methods:

  • Literature review of hematologic disorders associated with nonimmune hydrops fetalis.
  • Categorization of anemia causes into erythrocyte loss and underproduction.
  • Synthesis of information on clinical presentation, diagnostic approaches, and therapeutic strategies.

Main Results:

  • Hematologic disorders are a significant cause of NIHF, with anemia as the common pathway.
  • Anemia etiologies in NIHF are broadly divided into excessive erythrocyte loss (hemolysis, hemorrhage) and erythrocyte underproduction.
  • Specific examples include alpha-thalassemia, G6PD deficiency, fetomaternal hemorrhage, twin-twin transfusion, and bone marrow failure syndromes.

Conclusions:

  • Hematologic disorders require careful consideration in the diagnosis of NIHF.
  • Prompt identification and management of anemia are crucial for improving fetal outcomes in NIHF.
  • A systematic approach to classifying anemia causes aids in effective treatment strategies.

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