Which of the following is used in circumcision?
Correct Answer: 1 % lignocaine without adrenaline
Description: Ans: a (1 % Lignocaine without adrenaline) Ref: Bailey & Love, 24th p. 491 % lignocaine without adrenaline is used in circumcisionLignocaine 1 % is effective for most sensory block. Adrenaline should not be used in end arterial locations where there is no collateral circulation, such as fingers and toes, around retinal arteries and tip of penis.Advantage of adrenaline in LA:Addition of adrenaline (1: 2,00.000 to 1: 1,25,000 cone) to local anaesthetic solution hastens the onset and prolongs the duration of action, permits a higher dose of drug to be used as it is more slowly absorbed into the circulation.C.I. of adrenaline:* Hypertensive patients* Patients taking either MAO inhibitors or TCA drugs (Its cardiovascular effects are potentiated)Note:Never use mono polar diathermy when performing circumcision. Causes coagulation at the base of penis in small boys.
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