Hematology focuses on diseases of the blood, bone marrow, and lymphatic system. Learn about the diagnosis and treatment of anemia, leukemia, and lymphoma.
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The management of Sickle Cell Anemia has evolved significantly. While it was once a condition with limited options, today there are multiple therapies aimed at reducing complications and extending life. The strategy is twofold: managing the acute crises when they happen and using maintenance therapies to prevent them from occurring. At Liv Hospital, we employ a multidisciplinary approach, combining hematology, pain management, and specialized nursing to provide holistic care.
Effective pain control is the cornerstone of acute care.
Intravenous fluids are given immediately to dilute the blood, helping to unclog the vessels and improve flow.
Mild pain may be managed with NSAIDs (like ibuprofen). Severe crises require strong opioids (like morphine). The goal is rapid relief to prevent the stress response from worsening the sickling.
Heat therapy, massage, and relaxation techniques are used as adjuncts to medication. Ice is never applied, as cold constricts blood vessels and worsens the blockage.
Hydroxyurea is an oral medication that has revolutionized the treatment of sickle cell anemia.
It works by stimulating the body to produce Fetal Hemoglobin (HbF).
Fetal hemoglobin is the type of blood babies have. It blocks the sickling action of Hemoglobin S. By increasing HbF, hydroxyurea prevents red blood cells from turning into sickles.
Regular use reduces the frequency of pain crises, lowers the risk of Acute Chest Syndrome, and reduces the need for blood transfusions. It is now recommended for both children and adults.
Transfusions are a critical tool but must be used judiciously.
This involves giving healthy donor blood to increase the oxygen carrying capacity and dilute the sickle cells. It is used for severe anemia or before surgery.
This is a specialized procedure where the patient’s sickle blood is removed and replaced with healthy donor blood. It is used in life threatening emergencies like stroke or acute chest syndrome to rapidly lower the percentage of sickle cells.
Frequent transfusions lead to iron overload. Patients must take chelating medications to remove excess iron from the body to prevent organ toxicity.
Given the compromised immune system, prevention is key.
Children take daily penicillin from infancy until at least age five to prevent deadly pneumococcal infections.
Patients receive all standard vaccines plus additional protection against pneumococcus, meningococcus, and influenza.
Families are taught to seek immediate care for any fever above 38.5°C, ensuring rapid antibiotic administration.
Recent years have seen the approval of new drugs.
This amino acid helps reduce oxidative stress in red blood cells, making them more flexible and reducing pain crises.
This drug binds directly to hemoglobin and prevents the molecules from sticking together (polymerizing). It effectively raises hemoglobin levels and reduces hemolysis.
This is a monoclonal antibody that prevents blood cells from sticking to the vessel walls. It is given as a monthly infusion to prevent pain crises.
A Hematopoietic Stem Cell Transplant (bone marrow transplant) is currently the only established cure.
The patient’s bone marrow is destroyed with chemotherapy and replaced with healthy marrow from a donor.
The best outcomes are with a matched sibling donor.
While curative, the procedure carries significant risks, including graft versus host disease and infection. It is typically reserved for children with severe complications, although techniques are improving for adults.
Gene therapy is an emerging frontier offering hope for a cure without a donor.
The patient’s own stem cells are collected and genetically modified in a lab to either fix the mutation or produce anti sickling hemoglobin.
The corrected cells are infused back into the patient.
While still largely in clinical trials or limited availability, early results have been promising, showing potential for a “functional cure.”
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Mild hair thinning can occur, but it is usually temporary. The benefits of preventing organ damage usually outweigh this side effect.
While possible, addiction is rare in sickle cell patients who take opioids for genuine pain. The priority is treating the suffering; fear of addiction should not prevent adequate pain relief.
Most patients only need them for emergencies. However, stroke survivors may need monthly transfusions indefinitely to prevent a second stroke.
Each bag of blood contains iron. Since the body has no way to excrete excess iron, it builds up in the liver and heart after many transfusions, requiring medication to remove it.
No, Voxelotor is a treatment that improves anemia and cell health, but it must be taken daily. It does not permanently fix the genetic defect.
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