OBJECTIVE:To analyze the characteristics and regularity of cross allergic reaction between carbopenems and penicillin.METHODS:2 cases about cross allergic reaction between ertapenem and penicillin were reported,716 cases of cross allergic reaction between carbopenems and penicillin in 9 literatures were collected from databases from Jan.1986 to Jan.2010 and analyzed statistically.RESULTS:The incidence of allergic reactions caused by carbopenems in patients with allergic history were higher than that in patients without allergic history.Allergic reaction mostly occurred within 15 min～49 d.Sound therapeutic efficacy can be achieved because of immediate withdrawal of drug and anti-allergy treatment,patients were with good prognosis.CONCLUSION:Great importance should be attached to monitoring of cross allergic reaction between carbopenems and penicillin and rational use of drugs.

In addition to causing high disability and high fatality rates, ruptured intracranial aneurysms can also cause cognitive impairment. Although preventive surgical treatment can avoid intracranial aneurysm rupture and bleeding, patients may still have a certain degree of cognitive impairment, even in patients with good clinical recovery after surgery. There is no systematic review on the effect of different surgical methods on cognitive function, and the best surgical method is still inconclusive. This article reviews the cognitive impairment in patients with intracranial aneurysm, hoping to provide a basis for clinical treatment decisions.