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Extern conference 31 Jan 2008 Jitrada, Chanunya Sumaetha, Hanchai, Apichaya Dr. Kamol (supervisor)
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A 14-year-old Thai boy presented with abdominal pain for 1 day.
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Present History 1 mo PTA, his younger sister hit him on his back then he suddenly developed abdominal pain at RLQ. He was admitted at the Siriraj hospital. CT abdomen showed that he had Rt. iliopsoas hematoma size about 5 cm
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At that time he was given Factor VIII To raise factor level 100% for 2 days then 50% for 2 days and 25% for 2 days, clinical improved and discharged. Present History
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1 d PTA. He suddenly got RLQ abdominal pain without referred pain. Characteristic of pain was sustained dull aching pain which relieved when he bended forward. No nausea or vomiting, diarrhea, dysuria, fever was observed.
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Past History Underlying disease : Hemophilia A (moderate severity) which was diagnosed when he was 4 years old. He presented with knee joint swelling for 1 weeks after he fell down.
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Investigation Factor VIII assay = 4% Factor IX assay = 53% Factor VIII inhibitor was negative He was given cryoprecipitate and analgesics. Past History
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Perinatal history Term, normal labour, BW 3000 g No perinatal complication.
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Family history No one in his family has Hemophilia disease
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Pedigree 14 10 41 40 asthma Acute leukemia 55
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Drug history No allergic reaction to cryoprecipitate, Factor VIII, seafood, any drugs. Complete vaccination as the protocol Normal growth & development
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Physical examination Vital sign : T 37.5 o C, PR 100/min, RR 18/min, BP 118/78 mmHg GA : Good consciousness, not pale, no jaundice, no dry lips, no petechiae or ecchymosis HEENT : no epistaxis, no bleeding per gum, pharynx not injected, tonsil not enlarged, good tympanic membrane
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Physical examination Respiratory : clear, no adventitious sounds CVS : normal S 1 S 2, no murmur Abdomen : no abdominal distension, soft, tender at Rt. Lower quadrant, no guarding, no rigidity, no rebound tenderness, normal bowel sound psoas sign +ve
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Physical examination Genitourinary system : no CVA tenderness Nervous system : WNL Growth : Weight 45 Kg (P50-75) Height 150 cm. (P25-50) Tanner’s stage 3 Development : studies in Grade 8 good social relationship
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Problem list Rt. Lower quadrant abdominal pain for 1 day History of Rt.illiopsoas hematoma for 1 month Underlying disease : Hemophillia A
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Differential diagnosis 1. Rebleeding illiopsoas hematoma 2. Surgical condition : acute appendicitis
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Investigation
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Ultrasonography 17/1/2008
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Hemophilia
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Both Hemophilia A and B are X-linked recessive disorders Prevalence 1 : 5,000 males 80-85% are hemophilia A Affected females are rare extreme lyonization the presence of 2 independent mutations
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Hemophilia High rate of spontaneous mutation. 30% of patient is sporadic case No positive family history, hemophilia cannot be ruled out.
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Clinical manifestations Neonate Neonatal bleeding eg. after circumcision (30%) Intracranial hemorrhage (2 %) Toddlers, young children Obvious symptoms because of increasing physical activity Easy bruising Intramuscular hematoma Hemarthrosis (Hallmark of hemophilia) Chronic arthropathy is a late complication of recurrent hemarthrosis in a target joint. The absence of hemorrhagic manifestations at birth does not exclude hemophilia.
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Classification Factor Activity, % Cause of Hemorrhage Mild>5Major trauma or surgery Moderate1-5Mild-to- moderate trauma Severe<1Spontaneous, hemarthrosis
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Lab Studies Prolonged aPTT Bleeding times, prothrombin times, and platelet counts are normal Specific assay for FVIII and FIX
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Treatment Localized treatment Hematoma Wound Mucosal bleeding Hemathrosis
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Treatment Specific treatment Mild case: DDAVP Moderate to severe: factor replacement Factor VIII 250U/vial FFP 1U/ml Cryoprecipitate 80-120 U/bag 1 U In emergency situation and you don’t know type of hemophilia, you must give FFP only
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Replacement Therapy, Dose Calculations FactorHalf-Life, hr Increase After 1 U/kg, % VIII8-122 IX241
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Type of hemorhage Desired level and Duration Type of hemorhageDesired level(%)Duration(day) Joint and muscle40-601-3 iliopsoas80-100 then 30-601-2 then 3-5 CNS/head80-100then501-7then 8-21 Throat and neck80-100then501-7then 8-14 GI80-100then501-7then 8-14 renal503-5 Deep laceration505-7 Major surgeryPreop 80-100 Postop 60-80 40-60 30-50 1-3 4-6 7-14
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Counseling Who’s need to work up hemophilia? Patient’s mother, sister and daughter Female who has family history of hemophilia Motherhood relation Consult hematologist
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Counseling Home care Bleeding precaution Dental hygiene care Factor prophylaxis only in severe cases
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Progression
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D1 (admit)D2D3D4D5D6 27/1228/1217/118/119/120/121/122/1 11 น 18 น 19 น 24 น 6น6น 18 น 6น6น 6น6น Hct353834 36.535 PT12.913.513.913.8 APTT67.131.570.735.1 F84.12.2 F8 inhneg TxF8 100% (3000 U)100% 50% 25% s/stend er RLQ tend er RLQ Mild tender RLQ Mild tender Not tender NPORegular diet
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Progression His clinical was improved. He discharged from the hospital. Follow up iliopsoas hematoma by U/S whole abdomen which show hematoma size is smaller than previous
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Take home message No positive family history, hemophilia cannot be ruled out. 30% of patient is sporadic case In emergency situation and you don’t know type of hemophilia, you must give FFP only
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Thank you for your attention
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