British journal of plastic surgery
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The effect of heparin on the progress of healing in the injured tendon was examined after a standard injury had been created in the Achilles tendons of New Zealand White rabbits. Half of the rabbits were then treated by the intratendinous injection of heparin. ⋯ Orientation of collagen fibres was more pronounced in treated than untreated tendons while cellularity and blood vessel density were less pronounced. Analysis by Students t-test demonstrated a statistically significant difference between treated and untreated tendons in terms of leg diameter (p less than 0.005), dry weight (p less than 0.01) and DNA concentration (p less than 0.01).