Hirudo medicinalis officinalis

Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 29.10.2020

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Synonym(s)

medical leech

Definition
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Hermaphrodite, up to 20 cm long ringworm with suction cups at both ends of the body. It can live up to 25 years. If a host is infested, it sucks up to 15 g of blood from warm-blooded animals and can starve for up to a year afterwards.

Indication
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  • Alive: Postoperative haematomas.
  • Dried: For the preparation of ointments ( Hirudin).
S.u. leech therapy.

Note(s)
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In 1884, the British physiologist John Berry Haycraft discovered that leeches secrete a substance with a strong anticoagulant effect when sucking blood, which he called " Hirudin".

Literature
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Lewis BE et al (2007) Direct thrombin inhibition during percutaneous coronary intervention in patients with heparin-induced thrombocytopenia. Expert Rev Cardiovasc Ther 5: 57-68

Outgoing links (2)

Hirudin; Leech therapy;