Abstract (provisional)


This study was designed to analyze a group of non-operated patients admitted to our surgical ward for incidence and type of documented complications. We classified and categorised these complications according to the definition of the Association of Surgeons of the Netherlands (ASN). Our main interest was to identify adverse events for non-operated patients that are caused by medical management and thus preventable.


Complications were prospectively collected in our registry, which is part of an electronic medical patient file, and in retrospective analysed. All non-operated patients admitted to our surgical ward between January 2003 and January 2006 have been analysed for type and incidence of complications.


We recorded 437 complications in 364 (8 %) of 4602 non-operated patients and we categorised 196 (45 %) of these events in the Hospital – Provider group.

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