Paediatrics: Aplastic Anaemia: Free MSRA Podcast

⚕️ FREE MSRA PODCAST – Aplastic Anaemia🎧 A clear, high-yield breakdown of this rare bone marrow failure syndrome – perfect for exam prep and real-life clinical scenarios.🧠 Key Learning Points📌 Definition• Aplastic anaemia is a rare, life-threatening condition where the bone marrow fails to produce enough blood cells, leading to pancytopenia (↓ red cells, white cells, and platelets).📌 Causes & Risk Factors• Autoimmune destruction of bone marrow stem cells• Viral infections – e.g. hepatitis, EBV, HIV, parvovirus B19• Drugs – chloramphenicol, sulfonamides, chemotherapy• Toxins – benzene, radiation• Inherited syndromes – e.g. Fanconi anaemia• Pregnancy (rare)💡 Mnemonic: “A-VIT D RIP” – Autoimmune, Viruses, Inherited, Toxins, Drugs, Radiation, Idiopathic, Pregnancy📌 Pathophysiology• Damage or loss of hematopoietic stem cells in the bone marrow• ↓ Production of all three blood cell lines• Result: anaemia → fatigue, neutropenia → infections, thrombocytopenia → bleeding📌 Symptoms• Fatigue, pallor, SOB• Frequent/severe infections• Easy bruising, petechiae, nosebleeds, gum bleeding• In children: purpura, prolonged illness, growth delay💡 Tip: No lymphadenopathy or hepatosplenomegaly usually – think other causes if present📌 Differential Diagnosis• Myelodysplastic syndromes (MDS)• Paroxysmal nocturnal haemoglobinuria (PNH)• Hypocellular AML• Hypersplenism• Severe infections, TB• Nutritional deficiencies (B12/folate)• Autoimmune diseases (e.g. SLE)• Hairy cell leukaemia, lymphoma📌 Diagnosis• FBC: Pancytopenia• Bone marrow biopsy: Hypocellular/aplastic marrow• Reticulocyte count: ↓• Flow cytometry: PNH clone• Viral screen: EBV, HIV, hepatitis• Genetic testing: Fanconi anaemia (esp. <35y)• Imaging: CXR, abdo USS (rule out hepatosplenomegaly)💡 Mnemonic: “Biopsy CONFIRMS, Bloods SCREEN”📌 Management• Supportive:– RBC/platelet transfusions– Iron chelation (if transfusion-dependent)– Irradiated blood products• Immunosuppression:– ATG + cyclosporine (first line in most)– Add eltrombopag to stimulate marrow• Infection prevention:– Prophylactic antibiotics/antifungals/antivirals• Curative:– Haematopoietic stem cell transplant (esp. <40y with matched sibling)💡 NICE: Monitor closely and report drug causes via Yellow Card Scheme – https://yellowcard.mhra.gov.uk/📌 Complications• Life-threatening infections and bleeding• Evolution into MDS, AML, or PNH• Graft failure, GVHD (if transplanted)• Iron overload with multiple transfusions• Long-term immunosuppression side effects📌 Prognosis• Variable depending on severity and response• Severe untreated: high mortality within 1–2 years• Immunosuppression/transplant greatly improve outcomes• Younger patients do better, especially with early matched donor transplant📎 More MSRA Resources for Aplastic Anaemia📝 Revision Notes: https://www.passthemsra.com/topic/aplastic-anaemia-revision-notes/🧠 Flashcards: https://www.passthemsra.com/topic/aplastic-anaemia-flashcards/💬 Accordion Q&A Notes: https://www.passthemsra.com/topic/aplastic-anaemia-accordion-qa-notes/🚀 Rapid Quiz: https://www.passthemsra.com/topic/aplastic-anaemia-rapid-quiz/🎓 Full Course: https://www.passthemsra.com/courses/paediatrics-for-the-msra/#MSRA #AplasticAnaemia #MSRARevisionNotes #MSRAFlashcards #MSRAQuiz #PediatricsMSRA #AnaemiaMSRA #AplasticAnaemiaReview #MSRAQ&ANotes #MSRAAccordions #MultiSpecialityRecruitmentAssessment #MSRAOnlineRevision #MSRARevisionWebsite