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K Romeril

Publications and source records attributed to K Romeril.

4 recordsLinked to original sources

Hepatitis C seroprevalence in bone marrow transplant recipients and haemophiliacs.

AIM: To determine the prevalence of antibodies to hepatitis C (anti-HCV) in patients who have undergone bone marrow transplantation in Wellington, prior to the introduction of hepatitis C screening, and to contrast these results with the prevalence of anti-HCV in the Wellington haemophiliac population. METHOD: Serum specimens were obtained from 30 patients who had undergone bone marrow transplantation for the treatment of haematological disorders, and from 29 haemophiliacs. Specimens were analysed using a second generation HCV immunoassay. RESULTS: Exposure to blood products was high in bone marrow transplant recipients with subjects receiving red cells or platelets from an average of 53 donors (range 15-100, SD 23.2) during their transplant procedure. Despite the high usage of blood products, only one of the 30 patients tested was positive for hepatitis C on the basis of second-generation antibody testing. Confirmatory testing in this patient, (anti-HCV immunoblot assay) was negative. In contrast, 26 of 29 (89%) haemophiliac patients tested were positive for anti-HCV. CONCLUSION: Although the infective risk of blood products cannot be underestimated, the risk of patients contracting hepatitis C from multiple single-unit transfusions, prior to the introduction of screening for hepatitis C was low. This contrasts with the high risk of hepatitis C seroconversion in patients exposed to pooled plasma products.

Adolescent

Abdominal tuberculosis.

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AIDS-Related Opportunistic Infections

A complex chromosome rearrangement forms the BCR-ABL fusion gene in leukemic cells with a normal karyotype.

Chromosome in situ hybridization studies showed that the normal karyotype of leukemic cells from a patient with Ph1-negative, BCR-positive chronic myeloid leukemia (CML) concealed a complex t(9;22;20)(q34;q11;p13). The close association of 5'-BCR and 3'-ABL was demonstrated by field inversion gel electrophoresis, and in situ hybridization showed that BCR-ABL was located on the short arm of chromosome 20. Our findings further indicate that chromosome rearrangement is the cause of BCR-ABL gene fusion in leukemic cells that show a normal karyotype. Results from in situ hybridization studies were consistent with formation of the t(9;22;20) by a two step chromosomal rearrangement, but field inversion gel electrophoresis results indicated a more complex rearrangement.

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