Age, beta thalassaemia trait, and iron-deficient anaemia significantly affect reticulocyte indices in pre-school

Giorgos L Chouliaras1, Alexandra Stamoulakatou, George Tsiftis

  • 1First Department of Paediatrics, Athens University Medical School, Aghia Sophia Children's Hospital, 115 27 Athens, Greece. georgehouliaras@msn.com

Insights

Reticulocyte indices like CHr and micro_r show promise for diagnosing childhood anaemias. These low-cost markers help differentiate iron deficiency anaemia from beta-thalassaemia carriers.

Area of Science:

  • Hematology
  • Pediatric Diagnostics
  • Anemia Research

Background:

  • Reticulocyte indices offer a cost-effective approach to diagnosing childhood anaemias.
  • These parameters are gaining traction for their potential in pediatric hematological assessments.

Purpose of the Study:

  • To evaluate the distribution, age/gender variations, and iron metabolism correlations of reticulocyte indices.
  • To assess the diagnostic performance of reticulocyte haemoglobin content (CHr), microcytic reticulocytes (micro_r), hypochromic reticulocytes (hypo_r), and low CHr (low_CHr).
  • To differentiate between healthy children, iron deficiency (ID), iron deficiency anaemia (IDA), and beta-thalassaemia carriers (beta-thal).

Main Methods:

  • Assessed reticulocyte indices (CHr, micro_r, hypo_r, low_CHr) in 386 pre-school children.
  • Classified children into four groups: healthy, ID, IDA, and beta-thal carriers.
  • Analyzed age and gender variations, iron metabolism correlations, and diagnostic performance using ROC analysis.

Main Results:

  • Age influenced CHr and hypo_r in healthy children.
  • CHr and low_CHr correlated with ferritin in the IDA group.
  • micro_r and CHr demonstrated strong performance in differentiating IDA from beta-thal heterozygosity (AUC 0.76 and 0.74).
  • CHr showed moderate performance (AUC 0.58) in identifying ID without anemia.

Conclusions:

  • Reticulocyte indices are significantly affected by age, IDA, and beta-thalassaemia.
  • CHr and micro_r show potential as screening tools for distinguishing between IDA and beta-thalassaemia heterozygosity.
Abstract

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...
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...
Erythropoiesis01:14

Erythropoiesis

Red blood cells  (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia, and...
Rh Blood Group01:19

Rh Blood Group

The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
Overview of Hematopoiesis01:20

Overview of Hematopoiesis

Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
Multiple Allele Traits01:49

Multiple Allele Traits

The Concept of Multiple Allelism