Joy John Mammen

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The distribution of ABO and Rh-D blood groups was studied among 150,536 blood donors screened at the Dr John Scudder Memorial Blood Bank, Christian Medical College Hospital, Vellore, over a period of 11 years (April 1988 to March 1999). The most common blood group was found to be group O [58,330 (38.75%)], followed by group B [49,202 (32.69%)], and group A(More)
Segmentation of medical images is a highly challenging process, especially when dealing with blood smear images, which have a very complex cell structure. The tissue-like P Systems, actually based on the methodology of cell and tissue behavior in a human body, are used in various areas of computation. Segmentation of medical images is one such area where(More)
Traditional pathology reports have been textual with a high degree of variability. Checklist based structured pathology reports contribute significantly towards standardization and error reduction. As implemented, most of these are text templates making data retrieval dependent on natural language search. We describe a toolset that has been used to(More)
This report describes our experience with Koate DVI, a factor VIII (FVIII) concentrate containing von Willebrand factor (VWF) for surgery in patients with von Willebrand's disease (VWD). Twenty-one patients underwent 26 procedures, 10 of which were major and 16 were minor. The median age was 27 years (3-55) and the mean weight was 52 kg (16-88). Among the(More)
In order to ensure the delivery of a service of the highest possible quality, it is an essential requirement that laboratories undertake strict internal quality control (QC) measures as well as participate in external quality assessment (EQA) schemes. For any given test, a critical part of the internal QC process involves the establishment of reference(More)
BACKGROUND The exact pathogenesis of pregnancy associated cerebral venous thrombois is still unsettled. Aims : To identify possible inherited and acquired prothrombotic risk factors and also identify the factors associated with mortality in pregnancy associated CVT. SETTINGS AND DESIGN Prospective cohort study to identify prothrombotic risk factors and(More)