Sickle cell anemia is a genetic blood disorder caused by a mutation in the beta-globin gene. This mutation causes red blood cells to become rigid and sickle-shaped, which can block blood vessels and cause pain. It results in low oxygen transport and anemia. Symptoms vary but can include fatigue, pain crises, infections, and organ damage. Treatment focuses on prevention of complications, pain management, antibiotics, hydration, folic acid supplements, and transfusions in severe cases. While there is no cure, management has improved life expectancy significantly in recent decades.
Sickle Cell disease: is a genetic disorder that affects erythrocytes (RBC) causing them
to become sickle or crescent shaped.
The effects of this condition due to an abnormality of the hemoglobin molecules found
in erythrocytes.
Sickle cell anemia is a serious disease in which the body makes sickle-shaped red blood
cells. “Sickle-shaped” means that the red blood cells are shaped like a "C."
Normal red blood cells are disc-shaped and look like doughnuts without holes in the
center. They move easily through your blood vessels. Red blood cells contain the
protein hemoglobin. This iron-rich protein gives blood its red color and carries oxygen
from the lungs to the rest of the body.
Sickle cell Anemia is known as being a fatal hereditary form of anemia, it is recognized
by its abnormal red blood cells having a crescent shape due to the effect of hemoglobin
S found in the cells.
Sickle cell Anemia is known as being a fatal hereditary form of anemia, it is recognized by its abnormal red blood cells having a crescent shape due to the effect of hemoglobin S found in the cells.
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In the United States approximately 1 in every 375 African Americans are born with Sickle Cell Disease each year.
Sickle Cell Anemia is most common among people whose ancestors came from sub-Saharan Africa; Spanish-speaking regions in the Western Hemisphere (South America, the Caribbean, and Central America); Saudi Arabia; India; and Mediterranean countries such as Turkey, Greece, and Italy.
Sickle Cell Anemia occurs more often among people from parts of the world where Malaria is common.
Interesting Fact: People who have the sickle cell trait, (gene) are less likely to have severe forms of Malaria.
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This a series of notes on hematology useful for undergraduate and postgraduate medical and paramedical students. Notes are prepared from standard texts and are easy to reproduce in exams.
Sickle Cell disease: is a genetic disorder that affects erythrocytes (RBC) causing them
to become sickle or crescent shaped.
The effects of this condition due to an abnormality of the hemoglobin molecules found
in erythrocytes.
Sickle cell anemia is a serious disease in which the body makes sickle-shaped red blood
cells. “Sickle-shaped” means that the red blood cells are shaped like a "C."
Normal red blood cells are disc-shaped and look like doughnuts without holes in the
center. They move easily through your blood vessels. Red blood cells contain the
protein hemoglobin. This iron-rich protein gives blood its red color and carries oxygen
from the lungs to the rest of the body.
Sickle cell Anemia is known as being a fatal hereditary form of anemia, it is recognized
by its abnormal red blood cells having a crescent shape due to the effect of hemoglobin
S found in the cells.
Sickle cell Anemia is known as being a fatal hereditary form of anemia, it is recognized by its abnormal red blood cells having a crescent shape due to the effect of hemoglobin S found in the cells.
Post, Blog and Get Paid,
http://cashpaydaily.net
In the United States approximately 1 in every 375 African Americans are born with Sickle Cell Disease each year.
Sickle Cell Anemia is most common among people whose ancestors came from sub-Saharan Africa; Spanish-speaking regions in the Western Hemisphere (South America, the Caribbean, and Central America); Saudi Arabia; India; and Mediterranean countries such as Turkey, Greece, and Italy.
Sickle Cell Anemia occurs more often among people from parts of the world where Malaria is common.
Interesting Fact: People who have the sickle cell trait, (gene) are less likely to have severe forms of Malaria.
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http://freedomofsuccess.com
A complete 8-Step 'Money Getting' Formula ($297 Value) In this High-Value Video Training Series, I'll learn the most effective ways to build a successful online business and the Core 'Must Have' principals to Effective Entrepreneurship in today’s market. These videos outline your BIGGEST money making principals all in one place Watch Video Here http://freedomofsuccess.com
This a series of notes on hematology useful for undergraduate and postgraduate medical and paramedical students. Notes are prepared from standard texts and are easy to reproduce in exams.
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Autoimmune disease HEMOLYTIC ANEMIA AND DIABETESArchanaSoni3
An autoimmune disease is a condition in which your immune system mistakenly attacks your body.
The immune system normally guards against germs like bacteria and viruses. When it senses these foreign invaders, it sends out an army of fighter cells to attack them.
Normally, the immune system can tell the difference between foreign cells and your own cells.
In an autoimmune disease, the immune system mistakes part of your body — like your joints or skin — as foreign. It releases proteins called autoantibodies that attack healthy cells.
Some autoimmune diseases target only one organ. Type 1 diabetes damages the pancreas. Other diseases, like lupus, affect the whole body.
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2. Sickle Cell anemia is due to :
Abnormally low transportation of Oxygen
Throughout the body.
Low number of hemoglobin
are present to carry enough
Oxygen in the body.
3. It is a hereditary disease. i.e. Transfers from
parents to off-springs and so on.
SCA is caused by mutation at the 6th position of
beta-globin gene. (glutamic acid is replaced by
valine).
SCA is a serious disease in which the body makes
sickle-shaped red blood cells. “Sickle-shaped”
means that the red blood cells are shaped like a
"C."
4. Sickle-shaped cells don’t move easily through
blood vessels . Get stuck in the blood vessels.
The clumps of sickle cells block blood flow in the
blood vessels that lead to the limbs and organs.
Blocked blood vessels can cause pain, serious
infections, and organ damage.
Sickle cells usually die after only about 10 to 20
days. The bone marrow can’t make new red blood
cells fast enough to replace the dying ones
5. People who have the SCA are born with it. They
inherit two copies of the sickle cell gene—one from
each parent.
In SCA, the hemoglobin sticks together when it
delivers oxygen to the body’s tissues. They cause the
red blood cells to become stiff and shaped like a
sickle, or “C.” The sickled RBCs tend to stick together
and get caught in the blood vessels.
SCA is found in specially black people of Africa.
6. Two copies of the sickle cell gene are needed for
the body to make the abnormal hemoglobin found
in sickle cell anemia.
SCA provides defense against malaria. The Sickled
cells binds with the plasma membrane and become
porous due to the nutrients like Potassium releases
,which is essential for malarial parasite to live.
Sickle cell trait is a condition to cause Sickle cell
anemia.
7.
It is a condition in which one Sickle gene from one
parent and a normal gene from another parent is
transferred to the off-spring.
It is not a disease.
The person look likes healthy.
But it can cause Sickle cell anemia. i.e. A person
Suffering from SCT got marriage with the same
person can cause SCA in their off-spring.
8.
9.
Most common in people
whose families come from
Africa, South or Central
America (especially
Panama), Caribbean
islands, Mediterranean
countries (such as Turkey,
Greece, and Italy), India,
and Saudi Arabia.
10.
Individual signs and symptoms
varies. Some have mild symptoms,
others have very severe symptoms
and may be hospitalized for
treatment
Present at birth, many infants
doesn’t show signs until after 4
months of age
Anemia: Fatigue (tiredness), pale
skin and nail beds, jaundice, and
shortness of breath
Pain (Sickle Cell Crisis): Sudden
episode of pain throughout the body.
Common sites: bones, lungs,
abdomen, and joints. Lack of blood
flow can cause pain and organ
damage.
11.
Hand-Food Syndrome
Splenic Crisis
Infections
Acute Chest Syndrome
Delayed growth and
puberty in children
Stroke
Eye problem
Priapism
Gallstone
Ulcers on the legs
Pulmonary Arterial
Hypertension (High blood
pressure)
Multiple Organ Failure
12.
Infections
Thirst and dehydration caused by not drinking
enough even if thirst is not felt
Over-exertion
Over-excitement
Cold weather and cold drinks and swimming
Bangs, bumps, bruises and strains
Stress triggers pain in adults, but does not seem to
do so in children.
13.
Children and families can often tell when a
severe sickle pain is coming on by
Thirst
Eyes turning yellow (jaundice),
Sufferer being more irritable or tired than
usual.
14.
Warmth: increases blood flow
Massaging and rubbing
Heat from hot water bottles and deep heat creams
Bandaging to support the painful region
Resting the body
Cognitive Behavioral Therapy
Getting the sufferer to relax
distracting the attention
deep breathing exercises
by other psychological methods.
Pain-killing medicines (analgesics): paracetamol, codeine non-steroidal
anti-inflammatory, morphine if necessary
15. 1.
Taking the folic acid (folate) daily to help make new red
cells
2.
Daily penicillin until age six to prevent serious infection
3.
Drinking plenty of water daily (8-10 glasses for adults)
4.
Avoiding too hot or too cold temperatures
5.
Avoiding over exertion and stress
6.
Getting plenty of rest
7.
Getting regular check-ups from knowledgeable health
care providers
16.
Pain-killing drugs and oral and intravenous fluids
To reduce pain and prevent complications.
Transfusions
Correct anemia
Treat spleen enlargement in children before the
condition becomes life-threatening
Regular transfusion therapy also can help prevent
recurring strokes in children at high risk of crippling
nervous system complications.
17.
Hydroxyurea
The first effective drug treatment for adults with severe sickle cell
anemia reported in early 1995
Daily doses of the anticancer drug, hydroxyurea, reduced the
frequency of painful crises, acute chest syndrome, needed fewer
blood transfusions
Increases production of fetal hemoglobin in the blood
Fetal hemoglobin seems to prevent sickling of red cells
cells containing fetal hemoglobin tend to survive longer in the
bloodstream
18. Bone marrow transplantation
Shown to provide a cure for severely affected
children with sickle cell disease
Only about 18 percent of children with sickle cell
anemia are likely to have a matched sibling.
19. 1.
Correcting the “defective gene” and inserting it into the
bone marrow
2.
Turning off the defective gene and simultaneously
reactivating another gene that turns on production of
fetal hemoglobin.
No real cure for Sickle Cell Anemia at this time.
“In the past 30 years, the life expectancy of people
with sickle cell anemia has increased. Many patients
with sickle cell anemia now live into their mid-forties
and beyond.”