Locking body
In medicine, a barrier is a vasoconstrictor additive to a local anesthetic . For example, adrenaline and noradrenaline are used for this . The term is mainly used in veterinary medicine .
Barriers counteract the vasodilatory effect of the local anesthetic and delay its absorption at the injection site. This extends the effectiveness of local anesthetics and at the same time reduces their systemic effect. The vasoconstriction also reduces the tendency to bleed. Disadvantages of blocking bodies are that in the event of accidental injection into a blood vessel, considerable systemic side effects can occur, and the reduced blood flow results in a delay in wound healing and an increased risk of infection. Barriers must not be injected into areas of end arteries as they can lead to necrosis there.
Individual evidence
- ↑ Wolfgang Löscher et al .: Pharmacotherapy for pets and farm animals. Paul Parey, 7th ed., P. 126.