Hemoglobinopathy: Difference between revisions
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{{Infobox medical condition | |||
| name = Hemoglobinopathy | |||
| image = [[File:Sickle_cells.jpg|250px]] | |||
| caption = Sickle cells, a type of abnormal [[red blood cell]] seen in [[sickle cell disease]], a common hemoglobinopathy | |||
| field = [[Hematology]] | |||
| symptoms = [[Anemia]], [[fatigue]], [[jaundice]], [[pain crisis]] | |||
| complications = [[Stroke]], [[acute chest syndrome]], [[organ damage]] | |||
| onset = Varies by type, often in [[childhood]] | |||
| duration = [[Chronic condition|Chronic]] | |||
| types = [[Sickle cell disease]], [[thalassemia]], [[hemoglobin C disease]], [[hemoglobin E disease]] | |||
| causes = [[Genetic mutation]] in [[hemoglobin]] genes | |||
| risks = [[Family history]], [[ethnic background]] | |||
| diagnosis = [[Blood test]], [[genetic testing]] | |||
| treatment = [[Blood transfusion]], [[hydroxyurea]], [[bone marrow transplant]] | |||
| frequency = Common in certain populations, such as those of [[African]], [[Mediterranean]], [[Middle Eastern]], and [[Southeast Asian]] descent | |||
}} | |||
[[File:1904 Hemoglobin.jpg|1904 Hemoglobin|thumb|left]] | |||
[[File:B-Thal.jpg|B-Thallassemia|thumb]] | |||
[[File:Red Blood Cell abnormalities.png|Red Blood Cell abnormalities|thumb|left]] | |||
'''Hemoglobinopathy''' is a kind of genetic defect that results in abnormal structure of one of the globin chains of the hemoglobin molecule. Hemoglobinopathies are inherited single-gene disorders; in most cases, they are inherited as autosomal co-dominant traits. | '''Hemoglobinopathy''' is a kind of genetic defect that results in abnormal structure of one of the globin chains of the hemoglobin molecule. Hemoglobinopathies are inherited single-gene disorders; in most cases, they are inherited as autosomal co-dominant traits. | ||
== Introduction == | |||
== | |||
Hemoglobinopathies are often considered as a group, including [[thalassemia]] and [[sickle cell disease]]. They are common genetic disorders in the world, particularly in people of African, Mediterranean, and Southeast Asian ancestry. | Hemoglobinopathies are often considered as a group, including [[thalassemia]] and [[sickle cell disease]]. They are common genetic disorders in the world, particularly in people of African, Mediterranean, and Southeast Asian ancestry. | ||
== Types of Hemoglobinopathy == | == Types of Hemoglobinopathy == | ||
There are many types of hemoglobinopathy, the most common of which are: | There are many types of hemoglobinopathy, the most common of which are: | ||
* '''[[Beta thalassemia]]''' - This is caused by reduced (beta+) or absent (beta0) synthesis of the beta globin chains of hemoglobin. | * '''[[Beta thalassemia]]''' - This is caused by reduced (beta+) or absent (beta0) synthesis of the beta globin chains of hemoglobin. | ||
* '''[[Alpha thalassemia]]''' - This is caused by reduced (alpha+) or absent (alpha0) synthesis of the alpha globin chains of hemoglobin. | * '''[[Alpha thalassemia]]''' - This is caused by reduced (alpha+) or absent (alpha0) synthesis of the alpha globin chains of hemoglobin. | ||
* '''[[Sickle cell disease]]''' - This is caused by a mutation in the HBB gene on chromosome 11. It is inherited in an autosomal recessive manner. | * '''[[Sickle cell disease]]''' - This is caused by a mutation in the HBB gene on chromosome 11. It is inherited in an autosomal recessive manner. | ||
== Symptoms == | == Symptoms == | ||
The symptoms of hemoglobinopathy can vary greatly depending on the specific type of disorder. Some people may have no symptoms or mild anemia, while others may have severe symptoms. Common symptoms can include: | The symptoms of hemoglobinopathy can vary greatly depending on the specific type of disorder. Some people may have no symptoms or mild anemia, while others may have severe symptoms. Common symptoms can include: | ||
* Fatigue and weakness | * Fatigue and weakness | ||
* Pale or yellowish skin | * Pale or yellowish skin | ||
| Line 23: | Line 35: | ||
* Delayed growth and development in children | * Delayed growth and development in children | ||
* Shortness of breath | * Shortness of breath | ||
== Diagnosis == | == Diagnosis == | ||
Hemoglobinopathies are diagnosed through blood tests that look for abnormal hemoglobin molecules. These tests can include: | Hemoglobinopathies are diagnosed through blood tests that look for abnormal hemoglobin molecules. These tests can include: | ||
* Complete blood count (CBC) | * Complete blood count (CBC) | ||
* Hemoglobin electrophoresis | * Hemoglobin electrophoresis | ||
* Genetic testing | * Genetic testing | ||
== Treatment == | == Treatment == | ||
Treatment for hemoglobinopathies is aimed at managing symptoms and avoiding complications. This can include: | Treatment for hemoglobinopathies is aimed at managing symptoms and avoiding complications. This can include: | ||
* Regular blood transfusions | * Regular blood transfusions | ||
* Medications to reduce pain and prevent complications | * Medications to reduce pain and prevent complications | ||
* Bone marrow transplant | * Bone marrow transplant | ||
== See Also == | == See Also == | ||
* [[Anemia]] | * [[Anemia]] | ||
* [[Genetic disorder]] | * [[Genetic disorder]] | ||
* [[Blood transfusion]] | * [[Blood transfusion]] | ||
* [[Bone marrow transplant]] | * [[Bone marrow transplant]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
{{stub}} | {{stub}} | ||
[[Category:Genetic disorders]] | [[Category:Genetic disorders]] | ||
[[Category:Hematology]] | [[Category:Hematology]] | ||
[[Category:Medicine]] | [[Category:Medicine]] | ||
Latest revision as of 00:08, 10 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics
| Hemoglobinopathy | |
|---|---|
| |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Anemia, fatigue, jaundice, pain crisis |
| Complications | Stroke, acute chest syndrome, organ damage |
| Onset | Varies by type, often in childhood |
| Duration | Chronic |
| Types | Sickle cell disease, thalassemia, hemoglobin C disease, hemoglobin E disease |
| Causes | Genetic mutation in hemoglobin genes |
| Risks | Family history, ethnic background |
| Diagnosis | Blood test, genetic testing |
| Differential diagnosis | N/A |
| Prevention | N/A |
| Treatment | Blood transfusion, hydroxyurea, bone marrow transplant |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | Common in certain populations, such as those of African, Mediterranean, Middle Eastern, and Southeast Asian descent |
| Deaths | N/A |
Hemoglobinopathy is a kind of genetic defect that results in abnormal structure of one of the globin chains of the hemoglobin molecule. Hemoglobinopathies are inherited single-gene disorders; in most cases, they are inherited as autosomal co-dominant traits.
Introduction[edit]
Hemoglobinopathies are often considered as a group, including thalassemia and sickle cell disease. They are common genetic disorders in the world, particularly in people of African, Mediterranean, and Southeast Asian ancestry.
Types of Hemoglobinopathy[edit]
There are many types of hemoglobinopathy, the most common of which are:
- Beta thalassemia - This is caused by reduced (beta+) or absent (beta0) synthesis of the beta globin chains of hemoglobin.
- Alpha thalassemia - This is caused by reduced (alpha+) or absent (alpha0) synthesis of the alpha globin chains of hemoglobin.
- Sickle cell disease - This is caused by a mutation in the HBB gene on chromosome 11. It is inherited in an autosomal recessive manner.
Symptoms[edit]
The symptoms of hemoglobinopathy can vary greatly depending on the specific type of disorder. Some people may have no symptoms or mild anemia, while others may have severe symptoms. Common symptoms can include:
- Fatigue and weakness
- Pale or yellowish skin
- Abdominal pain
- Dark urine
- Delayed growth and development in children
- Shortness of breath
Diagnosis[edit]
Hemoglobinopathies are diagnosed through blood tests that look for abnormal hemoglobin molecules. These tests can include:
- Complete blood count (CBC)
- Hemoglobin electrophoresis
- Genetic testing
Treatment[edit]
Treatment for hemoglobinopathies is aimed at managing symptoms and avoiding complications. This can include:
- Regular blood transfusions
- Medications to reduce pain and prevent complications
- Bone marrow transplant
See Also[edit]
References[edit]
<references />
