Laboratory issues in bleeding disorders
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Selected laboratory issues critical for the appropriate diagnosis of haemophilia A and B, von Willebrand's disease (VWD) and more rare bleeding disorders (RBD) are discussed from a worldwide perspective. The overall picture that emerges is on the whole reassuring. Even in non-Western countries like Latin America, most cases of haemophilia are appropriately diagnosed. Moreover, national and international laboratory training workshops are further improving the diagnostic capabilities also in less severe disorders. Most of the RBD can be appropriately diagnosed with relatively simple tests wherever a high clinical suspicion is present. Moreover, minimal requirements for a useful clinical diagnosis are not too far from the capabilities of majority of non-Western countries. The most needed areas concern VWD and platelet function disorders, which suffer from inadequate diagnostic standardization, hampering widespread diagnostic capability in both Western and non-Western countries.
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