Iron Status in BTM With Blood Transfusion

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-07-31

Study Completion Date

2023-03-31

Brief Summary

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To assess the possible role of iron overload as a cause of liver dysfunction in thalassemic childrens receiving multiple blood transfusion and its correlation with serum aminotransferases.

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Detailed Description

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Thalassemia is derived from the Greek words, thals, which means sea, and emia, which means blood, signifying that it is more common in the Mediterranean region . Globally, among humans, thalassemia is the commonest single-gene disorder. It is defined as a group of inherited disorders characterized by decreased or absent beta globin chain synthesis, leading to a reduced level of hemoglobulin (Hb) in the red blood cells . Specifically in developing countries, thalassemia is a huge health dilemma.

-Beta Thalassemia is the most common chronic hemolytic anemia in Egypt (85.1%) with an estimated carrier rate of 9-10.2%.

Blood transfusion is the primary way of treating thalassemia; it allows the normal growth of the child as well as restrains abnormal erythropoiesis . Iron-chelating agents should be used properly;otherwise, multiple blood transfusions can lead to iron overload. Yet, with no blood transfusion, the increase rate of erythropoiesis intensifies dietary iron absorption from the gut, leading to a severe form of iron overload .

iron overload can result in serious damage to various organs, for example, by depositing in the liver, heart, and various other endocrine glands along with endocrine organ failure. .

During the last years, liver disease has emerged as a major cause of mortality in patients with B- thalassemia major (TM).

The liver is the only site for ferritin and transferrin synthesis, as well as the primary organ for iron storage.

The liver has the maximum capacity to store excess iron in the body, and various other organs, as well as the liver, are very susceptible to damage as a result of iron toxicity.

The correlation between serum ferritin and hepatic iron concentration has been reported in multiple blood-transfused thalassemia patients .

Thalassemia major patients who undergo routine transfusion have an increased risk of acquiring transfusion-transmitted infections (TTI), including hepatitis B and C. These diseases have serious implications and may affect the serum ferritin and aminotransferase levels of thalassemia major patients.

Although the risk of post-transfusion hepatitis C virus (HCV) infection dropped significantly after the national screening of blood in 1993, more than 20% of children who were multitransfused after that date were HCV-RNA positive .

In Egypt, prevalence rate of HCV antibodies seropositivity in thalassemic children at 2011was 51.7% while in the study of El-Faramawy (2012) , a prevalence of 48 % was reported.

Iron overload and hepatitis-C virus (HCV) infection, have been implicated in the evolution of liver disease, in patients with transfusion-dependent beta-thalassaemia major (BTM). The impact of these factors and liver with BTM, has not been extensively studied yet.

Hepatitis virus C infection is the main risk factor for liver injury in transfusion-dependent thalassemics . Dimitrios (2013) on the other hand suggested that in the late stages of liver disease in BTM patients, iron overload may be the critical determinant, since fibrosis is related to the minimal haemosiderosis, independently of HCV history. Injury to the liver, whether acute or chronic, eventually results in an increase in serum concentrations of Alanine transaminase (ALT) and Aspartate transaminase (AST)

Conditions

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Beta-Thalassemia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Thalassemic patients of both sex.
* Beta-thalassemia major patients diagnosed Clinical and laboratory .
* Age 5 : 18 years.
* Undergoing multiple blood transfusion.