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OBJECTIVE: Public health systems require fast and precise analyses of physicians' day-to-day diagnoses and therapy behavior regarding qualitative, safety or economical aspects. A partnership between physicians in practices and a database organization (IMS Health, Frankfurt, Germany) which has been in existence for more than 10 years has developed a procedure for documenting various types of studies with regard to diagnosis and therapy behavior. This endeavor has facilitated scientific progress by providing precise analytical information and guidelines. METHODS: The database used has the name mediplus. It is a longitudinal patient database with anonymous access to a representative and valid panel of physicians and patients in Germany. A total of more than 1,000 medical practices and over 75 million prescriptions have been documented in a cross and/or longitudinal section. The longest time period per patient is more than 10 years starting in 1989, with monthly updates. RESULTS: Analyses have been obtained detailing prescription behavior of doctors regarding diabetes therapy and enable recommendations to be made regarding the therapy of migraine and the eradication of Helicobacter pylori infections. Information is also retrievable on drug safety studies in general and the extent to which hospitals influence the prescription behavior of doctors treating patients after discharge. DISCUSSION: The mediplus patient database combines all decision relevant information on physicians, patients, diagnoses and course of therapies and thus makes possible the investigation of the courses of diseases and therapy patterns. The monthly update enables trends to be identified at an early stage. The mediplus database is an ideal instrument for the enforcement of quantitative and qualitative analyses of patient histories because it directly links the individual diagnoses with the corresponding therapies. The database is currently undergoing extension with additional specialist groups such as pediatricians, neurologists, orthopedists, urologists, ENT specialists, surgeons and pulmonologists.
Dietlein et al. (Fri,) studied this question.