Abstract
The objective of this study is to evaluate the efficacy of percutaneous platelet concentrate (PC) injection in increasing the chances of attaining union in delayed union of long bones and to know whether the time taken for union decreases with use of PC. Forty delayed unions (15-30weeks old) were randomized into a study group in which autologous PC prepared by blood bank centrifuge was percutaneously injected at the fracture site under image intensifier after activation with 10% calcium gluconate and a control group where patients were observed over time. Follow-up was every 6weeks till fracture union. At each follow-up visit clinical and radiological parameters of union were assessed. Percentage union was 78% (18/23) in PC group and 59% (10/17) in control group, respectively (p=0.296). The mean time to fracture union treated with PC (15.33±9.91weeks) was not different from the control group (13.10±7.21weeks; p=0.540). In the PC group union is seen in 12weeks after PC injection in 60 per cent of the cases. Isolated percutaneous PC injection increases union rates in delayed union of long bones. The results were, however, not statistically significant but show high positive association. Further studies are required to recommend routine use of PC injection.
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