According to the mechanisms of pharmacological effect,analgesic agents are generally divided into three categories:opioid analgesics,non opioid analgesics and adjunctive agents(coanalgesic agents).

AIM: To study the relieve pain effect in ophthalmologic operation with un-narcotic analgesic, in order to get more comfortable duration.

An Analysis for the Problems of Using Narcotic Analgesics in Our Hospital;

A new potent and ultra short acting narcotic analgesic remifentanil hydrochloride was prepared from N benzyl 4 piperidinone through the Strecker reaction,hydrolysis,propionylation,debenzylation and the Micheal additive reaction in 7 5% total yield.

RESULTS:Narcotic analgesic used in our hospital during 2003～2006 showed an upward trend year-on-year in both consumption quantity and consumption sum,much as in the consumption of morphine preparation.

The comparison of target-controlled propofol infusion combined with different narcotic analgesics during induced abortion;

Analysis of the situation of narcotic analgesics used in Shanghai People s Hospital of Pudong New Area;

OBJECTIVE:To analyze the use of narcotic analgesics,in order to provide an evidence for rational use of narcotic analgesics in the clinic.

Objective: To give evidence of rationality in clinic drug usage,we evaluate the application situation of anesthetic sedative agents in our hospital.

OBJECTIVE:To survey and analyze the usage of narcotic analgetics in outpatient department of our hospital.