Abstract

In this talk I will overview the Medical Information Mart for Intensive Care (MIMIC) database, a continuing series of publicly available critical care databases. As of 2021, the latest iteration of MIMIC is MIMIC-IV, which contains 12 years of admissions to critical care units at the Beth Israel Deaconess Medical Center in Boston, MA. MIMIC has also expanded into other domains, including imaging with the MIMIC Chest X-Ray database (MIMIC-CXR), and the MIMIC-IV Emergency Department database (MIMIC-IV-ED). I will discuss our motivations in distributing MIMIC to the world, the challenges in publicly releasing medical data, and the impact the databases have had on the community. A crucial aspect of the safe and privacy preserving use of retrospective clinical data is deidentification, where patient identifiers are removed or replaced with unidentifiable surrogates. I will cover approaches we have created for deidentifying patient clinical data, images, and free-text clinical notes. I’ll conclude with my thoughts regarding the future of healthcare data modeling, including the need for novel data structures which ensure data quality and utility for broad research use.

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