Saturday, April 27, 2019

Propofol

Hi friends!

Propofol is a non-barbiturate intravenous anesthetic agent.
Colour : milky white liquid.
Chemical name : 2,6-diisopropylphenol.
Composition: soyabean oil, glycerol and lecithin.
Metabolism:70% in liver, 30% in lungs and kidneys.

Propofol is associated with quick recovery. So it is the drug of choice for day care surgeries.

Systemic effects:
CVS : It decreases systemic vascular resistance leading to fall in blood pressure causing tachycardia. But it actually causes bradycardia. The reason being blunting of carotid body receptor response (which we have studied in our physiology)
RS : It causes maximum depression of upper airway reflexes. So it is the drug of choice for insertion of laryngeal mask airway.
CNS :  It causes cerebral vasoconstriction leading to fall in intracranial pressure. It is an antiemetic, antipruritic and antioxidant.
It is an anticonvulsant but may cause involuntary movements.

Thanks for reading!
Madhuri.

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