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Indications for red blood cell transfusion. Transfusion therapy for sickle-cell disease entails the use of red blood cell transfusions in the management of acute cases of sickle cell disease and as a prophylaxis to prevent complications by decreasing the number of red blood cells (RBC) that can sickle by adding normal red blood cells.
Ruben Studdard (born September 12, 1978) is an American singer and actor. He rose to fame as the winner of the second season of American Idol and received a Grammy Award nomination in 2003 for Best Male R&B Vocal Performance for his recording of "Superstar".
Proliferative sickle retinopathy is the most severe ocular complication of sickle cell disease. Even though PSCR begins in the first decade of life, the condition remains asymptomatic and unnoticed until visual symptoms occur due to vitreous hemorrhage or retinal detachment.
Some findings also show the reduction of the sickle-cell trait in those who retain much more fetal hemoglobin than usual in adulthood. Fetal hemoglobin likely plays a role in the prevention of sickling. Elevated fetal hemoglobin levels have been observed in populations where sickle-cell disease is prevalent. [20] [5] [21]
His description of the student's disease was known for many years as Herrick's syndrome, and is now known as sickle-cell disease. The condition is prevalent in West Africa . Herrick's second major contribution was a landmark article on myocardial infarction ("heart attack") in JAMA in 1912.
Autosplenectomy can occur in cases of sickle-cell disease where the misshapen cells block blood flow to the spleen, causing scarring and eventual atrophy of the organ. [2] Autosplenectomy is a rare condition that is linked to certain diseases but is not a common occurrence. It is also seen in systemic lupus erythematosus (SLE).
Autosplenectomy caused by sickle cell anemia or hyposplenism in coeliac disease [3] In patients with obstructive liver disease, lecithin cholesterol acetyltransferase activity is depressed, which increases the cholesterol-to-phospholipid ratio and produces an absolute increase in the surface area of the red cell membrane.
Whereas normal adults have less than 1% of hemoglobin F, patients with only one disease gene have 5-30%. Patients with two disease copies can have hemoglobin F in up to 100% of red blood cells. [31] As other diseases such as sickle cell disease could also cause a higher level of hemoglobin F to be present, it can sometimes be misdiagnosed. [32]