Complicated Varicose Veins
Complicated varicose veins, with edema and ulceration, can pose challenges for medical
treatment. Researchers in India conducted a study in which they evaluated the
effectiveness of leech therapy in reducing venous congestion, reversing edema
and hyperpigmentation, and healing of varicose ulcers. Twenty patients were treated
with leeches applied to the area surrounding the varicose ulcers and the patients
monitored. The results following leech therapy were impressive:
The investigators also evaluated the blood sucked by the leeches from 7 patients. By matching the pO2 level of the patient's venous blood to that in the leeches, the investigators showed that leeches were attracted only to venous and not arterial blood. The researchers concluded that leeches were an effective treatment for complicated varicose veins.
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