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  • Title: Cleansing properties of stabilized trypsin and streptokinase-streptodornase in necrotic leg ulcers.
    Author: Hellgren L.
    Journal: Eur J Clin Pharmacol; 1983; 24(5):623-8. PubMed ID: 6873140.
    Abstract:
    The cleansing effects on pus and debris of streptokinase-streptodornase and of stabilized crystalline trypsin were compared in 40 patients (12 males, 28 females) with necrotic varicose or arteriosclerotic leg ulcers. Both preparations produced significant partial or total cleansing of the ulcers of necrotic material, and both enhanced the granulation and epithelialization of most of the ulcers. Streptokinase-streptodornase was significantly more effective in removing freshly formed damp and smearing pus and debris. Neither preparation prevented the formation of or removed very deep adherent necrotic areas, especially in arteriosclerotic leg ulcers. Trypsin caused significantly more pain than streptokinase-streptodornase during the treatment period and on changing dressings. Both enzymes indirectly reduced the bacterial flora of the ulcers, probably by removal of necrotic wet material.
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