Low Dose Prophylaxis vis-a-vis on-Demand Treatment Strategies for Hemophilia: A Cost Effective and Disability Attenuating Approach.
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Aim: To assess effect of low dose prophylaxis in hemophilics in terms of bleeding, joint function, QoL and cost-effectiveness. Methods: Analytic study done during one year among 70 adult hemophilics. In observation period (12 weeks), on-demand factor and during prophylaxis (12 weeks), low dose factor was given (Factor VIII 10 IU/KgBW biweekly for haemophilia A and Factor IX 20 IU/KgBW weekly for haemophilia B). Clinical joint assessment was done by Gilbert score and improvement by WFH definitions. Results: Bleed reduced by 68.99% in moderate hemophilics (40 v/s 129) and 64.86% in severe hemophilics (26 v/s74) (p<0.05). During observation in moderate hemophilics, joint, soft tissue and mucosal bleeds occurred in frequency of 120, 1 and 8. This was reduced to 39 joint bleeds, 1 soft tissue bleed and no mucosal bleed during prophylaxis. In severe hemophilics, 70 joint, 2 soft tissue bleeds and 2 mucosal bleeds occurred during observation which reduced to 26 joint bleeds without soft tissue/mucosal bleed in prophylaxis. Bleeding episodes decreased by 65.79% in joints, 66.67% in soft tissues, 100% mucosal bleeds. After prophylaxis one joints (0.61 %) showed good improvement in joint function, thirty (18.18 %) joints showed moderate improvement and ninety two joints (55.76 %) showed mild improvement in joint function. Hospitalization reduced by 60.34% (163 v/s 411) and absenteeism by 53.73% (279 v/s 603). Factors consumption reduced by 12.33 % during prophylaxis period. Conclusion: The low dose prophylaxis strategy significantly decreased the subsequent episodes of total bleeds including joint bleeds and improved the joint function as well as quality of life.
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