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SHEIKHA HEMOLYTIC ANEMIAS. SHEIKHA Abnormalities of the Environment of the Red Cells Abnormalities of the Red Cells Premature destruction of the red cells.

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Presentation on theme: "SHEIKHA HEMOLYTIC ANEMIAS. SHEIKHA Abnormalities of the Environment of the Red Cells Abnormalities of the Red Cells Premature destruction of the red cells."— Presentation transcript:

1 SHEIKHA HEMOLYTIC ANEMIAS

2 SHEIKHA Abnormalities of the Environment of the Red Cells Abnormalities of the Red Cells Premature destruction of the red cells

3 HEMOLYTIC ANEMIAS SHEIKHA Abnormalities of the Red Cells

4 HEMOLYTIC ANEMIAS SHEIKHA Membrane Hb Enzymes 120 days

5 HEMOLYTIC ANEMIAS SHEIKHA Membrane Hb Enzymes HS HE H. Stomatocytosis

6 HEMOLYTIC ANEMIAS SHEIKHA Membrane Hb Enzymes HS HE H.St. Hemoglobinopathies Thalassemia Sickle

7 HEMOLYTIC ANEMIAS SHEIKHA Membrane Hb Enzymes HS HE H.St. Hemoglobinopathies Thalassemia Sickle G6PDH ↓ PK ↓ ALL CONGENITAL

8 HEMOLYTIC ANEMIAS SHEIKHA PNH Paroxysmal Nocturnal Hemoglobinuria ACQUIRED

9 HEMOLYTIC ANEMIAS SHEIKHA Abnormalities of the Environment of the Red Cells

10 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: DRUGS HDN TOXINS Drugs AIHA Abnormal Physical Environment Fragmentation Hypersplenism Burn SHEIKHA WARMCHAD Infections Malaria Cl. Welchii

11 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: DRUGS HDN TOXINS Drugs AIHA SHEIKHA WARMCHAD

12 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: HDN Drugs AIHA SHEIKHA WARMCHAD IMMUNE HEMOLYTIC ANEMIAS

13 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: DRUGS HDN TOXINS Drugs AIHA SHEIKHA WARMCHAD AIHA WARM IDIOPATHIC Associated with: SLE CLL LYMPHOMA OTHER AUOIMMUNE DISORDERS MISCELANEOUS

14 HEMOLYTIC ANEMIAS SHEIKHA Coomb’s Test

15 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: DRUGS HDN TOXINS Drugs AIHA SHEIKHA WARMCHAD AIHA CHAD ACUTE CHRONIC ATYPICAL MYCO- PLASMA PNEMONIA IM IDIO- PATHIC LYMPH- OMA

16 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: DRUGS HDN TOXINS Drugs AIHA SHEIKHA WARMCHAD AIHA WARMCHAD PCH ACUTE Measles Mumps Flu Idiopathic CHRONIC Idiopathic

17 Management of AIHA STEROID SPLENECTOMY RITUXIMAB CYCLOSPORIN FOLATE

18 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Physical Environment Fragmentation Hypersplenism Burn SHEIKHA March Hb-uria Abnormal Blood Vessels MAHA Microangiopathic Hemolytic Anemia TTP/ HUS Thrombotic Thrombocytopenic Purpura / Hemolytic Uremic Syndrome Mechanical HA From damaged Valves Malignancy “Mucin Secreting Adeno- Carcinoma” Septicemia Malignant HTN

19 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT SHEIKHA Infections Malaria Cl. Welchii

20 HEMOLYTIC ANEMIAS due to ABNORMAL RBC ENVIRONMENT Abnormal Plasma Constituents IMMUNE: DRUGS HDN TOXINS Drugs AIHA Abnormal Physical Environment Fragmentation Hypersplenism Burn SHEIKHA WARMCHAD Infections Malaria Cl. Welchii

21 HEMOLYTIC ANEMIAS SHEIKHA

22 HEMOLYTIC ANEMIAS LABORATORY FINDINGS: Hyperbilirubinemia “mild & unconjugated” Anemia Increased Urinary Urobilinogen Reduced Haptoglobin Reticulocytosis & Polychromasia Increased Marrow Activity RBC shape changes: Spherocytosis Fragmentation SHEIKHA

23 HEMOLYTIC ANEMIAS SHEIKHA CLINICAL FEATURES Jaundice “usually mild” Pallor Acholuric jaundice Splenomegaly Gall stones Leg ulcers Crises: Aplastic Hemolytic Sequestration

24 HEMOLYTIC ANEMIAS SHEIKHA LABORATORY FINDINGS: Hyperbilirubinemia Anemia Increased Urinary Urobilinogen Reduced Haptoglobin Reticulocytosis & Polychromasia Increased Marrow Activity RBC shape changes CLINICAL FEATURES Jaundice “usually mild” Pallor Acholuric jaundice Splenomegaly Gall stones Leg ulcers

25 HEMOLYTIC ANEMIAS SHEIKHA Intravascular Hemolysis HemoglobinemiaHemoglobinuria Hemosiderinuria

26 HEMOLYTIC ANEMIAS SHEIKHA Hemoglobinuria

27 HEMOLYTIC ANEMIAS SHEIKHA Hemosiderinuria

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37 HEMOLYTIC ANEMIAS SHEIKHA Hereditary Spherocytosis

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44 HEMOLYTIC ANEMIAS SHEIKHA Hereditary Elliptocytosis

45 MANAGEMENT OF HS SPLENECTOMY OPSI PNEUMOVAX Hib Folate

46 HEMOLYTIC ANEMIAS SHEIKHA

47 HEMOLYTIC ANEMIAS SHEIKHA Glucose 6 Phosphate Dehydrogenase Deficiency

48 HEMOLYTIC ANEMIAS SHEIKHA Glucose 6 Phosphate Dehydrogenase Deficiency Sex-linked 200 million Middle East Mediterranean Africa Saudis13% Kurds40% Suly Study 6% Malaria protection

49 SHEIKHA G-6-P F-6-P F 1,6 DP DHAP Ga3P 1,3 DPG 3 PG 2 PG PEP LactatePyruvate Glucose Glycolysis Embden-Meyerhof Pathway

50 SHEIKHA G-6-P F-6-P F 1,6 DP DHAP Ga3P 1,3 DPG 3 PG 2 PG PEP LactatePyruvate Glucose Glycolysis ATP ADP ATP ADP OXIDATIVE DAMAGE

51 SHEIKHA G-6-P F-6-P F 1,6 DP DHAP Ga3P 1,3 DPG 3 PG 2 PG PEP LactatePyruvate 6PGRu5P NADP NADP H * Glucose NADPNADPH * OXIDATIVE DAMAGE G6PDH PPP

52 SHEIKHA G-6-P F-6-P F 1,6 DP DHAP Ga3P 1,3 DPG 3 PG 2 PG PEP LactatePyruvate 6PGRu5P NADP NADP H * Glucose NADPNADPH * G6PDH A- Mediterranean 10% of Blacks 10% Activity

53 HEMOLYTIC ANEMIAS SHEIKHA Glucose 6 Phosphate Dehydrogenase Deficiency Favism Highly Palatable Easily Cultivated Staple Food in G6PDH areas High Protein High Nutritional Value

54 HEMOLYTIC ANEMIAS SHEIKHA Glucose 6 Phosphate Dehydrogenase Deficiency Favism Specific to Fava beans Peas & others are safe Erratic Only in 25% of G6PDH Deficient Patients Same Patient “Only Occasionally” Dosage “Children” Bean Maturity Food Processing

55 HEMOLYTIC ANEMIAS SHEIKHA Acute drug-induced hemolysis Favism Chronic hereditary non- Spherocytic Anemia Neonatal jaundice Glucose 6 Phosphate Dehydrogenase Deficiency

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58 G-6-P F-6-P F 1,6 DP DHAP Ga3P 1,3 DPG 3 PG 2 PG PEP LactatePyruvate Glucose 2,3 DPG PK PK Deficiency

59 SHEIKHA Drugs and Chemicals Associated with Hemolysis in G6PDH-Deficient Subjects DrugsDefinite AssociationPossible AssociationDoubtful Association AntimalarialsPrimaquineChloroquineQuinacrine Pamaquine--Quinine SulfonamidesSulfanilamideSulfadimidineSulfoxone SulfacetamideSulfasalazineSulfadiazine SulfapyridineGlyburideSulfisoxalone Sulfamethoxazole-- SulfonesDapsone-- NitrofuransNitrofurantoin-- Antipyretic/analgesicAcetanilidAspirinAcetaminophen -- Phenacetin

60 SHEIKHA DrugsDefinite Association Possible Association Doubtful Association Other drugsNalidixic acidCiprofloxacinPAS NiridazoleChloramphenicolDoxorubicin Methylene blueVitamin K analogsProbenecid PhenazopyridineAscorbic acidDimercaprol SeptrinPAS-- Other chemicalsNaphthaleneAcalypha indica-- Trinitrotoluene-- Drugs and Chemicals Associated with Hemolysis in G6PDH-Deficient Subjects

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