How to find adverse events using natural language processing

摘要

A method of the present invention is provided for automatically classifying a patient's clinical description by a computer processor using natural language processing. The clinical description relates to the use of a ventricular assist device to treat a patient. The method includes receiving at least one clinical description comprising text. The method also includes determining the location of the target word within the text. The method also includes determining the presence of at least one negative word within an active region, wherein the active region includes a predetermined number of words in the text occurring immediately before and after the target word containing the target word. do. The method then includes determining the presence of at least one body part word within the active region. Finally, the method includes determining that the clinical description should be ignored if the active region contains negative words or body part words.