a method of treating an aneurysm including the steps of introducing a delivery system into the body of a patient , delivering into the aneurysm an embolic device comprised of a bioabsorbable polymer for the purpose of promoting an inflammatory response , withdrawing the delivery system from the body of the patient , and instructing or advising the patient to avoid the use of an anti - inflammatory medication or agent in order to maintain the inflammatory response promoted by the polymeric embolic device .