B9 – The Rise and Potential Failure of Registries – Uses and abuses!

Clinical quality registries are a particular subset of clinical registries. Their purpose is to improve the safety or quality of health care provided to patients by collecting key clinical information from individual healthcare encounters which enable risk-adjusted outcomes to be used to drive quality improvement.

How does the plethora of registries in Australia, e.g. National Joint Replacement Registry, Bariatric Surgery Registry, Breast Implant Registry, etc, measure up against their stated objectives?  Are they being misused, and if so, what are the consequences of this misuse?