Related Experiment Video

Updated: Jun 28, 2026

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
05:23

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

[Relationship between growth disorders and iron overload in children with beta-thalassemia major]

Yong-Lan Huang1, Sha Liu, Ting Xia

  • 1Department of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou 510180, China. huangylan@tom.com

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|October 25, 2008
PubMed

Insights

Children with beta-thalassemia major often experience short stature, low weight, and delayed sexual development. These growth disorders are frequently linked to iron overload in these patients.

Area of Science:

  • Pediatric Hematology
  • Endocrinology
  • Growth and Development Studies

Context:

  • Beta-thalassemia major is a severe inherited blood disorder requiring regular blood transfusions.
  • Chronic transfusions lead to iron overload, a significant complication affecting multiple organ systems.
  • Understanding growth and development in these children is crucial for managing long-term health outcomes.

Purpose:

  • To investigate the prevalence of growth and development issues in children with beta-thalassemia major.
  • To explore the correlation between growth disorders and the extent of iron overload.
  • To assess parameters like height, weight, and sexual maturation in affected children.

Summary:

  • This study examined 50 children with beta-thalassemia major, assessing their growth and development.
  • Results indicated high rates of short stature (48%), underweight, and delayed sexual development.
  • Elevated serum ferritin levels, indicative of iron overload, were significantly associated with poorer growth parameters and lower hemoglobin levels.

Impact:

  • Highlights the significant impact of beta-thalassemia major and its treatment on pediatric growth and development.
  • Emphasizes the critical role of monitoring and managing iron overload to mitigate these complications.
  • Provides evidence for the link between iron overload and growth deficits, informing clinical practice and patient care strategies.
Abstract

More Related Videos

Staphylococcus aureus Growth using Human Hemoglobin as an Iron Source06:37

Staphylococcus aureus Growth using Human Hemoglobin as an Iron Source

Published on: February 7, 2013

Related Concept Videos

Disorders of Erythrocytes01:27

Disorders of Erythrocytes

Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Role of Hematopoietic Growth Factors01:28

Role of Hematopoietic Growth Factors

Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Inborn Errors of Metabolism01:20

Inborn Errors of Metabolism

Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
Nature and Nurture01:10

Nature and Nurture

Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience, such as differences...
Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
Factors Affecting Erythropoiesis01:24

Factors Affecting Erythropoiesis

The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...