[Improvement approaches in the hospital setting: From total quality management to Lean].

Hospitals have to deal strong with economic constraints and increasing requirements in terms of quality and safety of care. To address these constraints, one solution could be the adoption of approaches from the industry sector. Following the decree of April 6, 2011 on the quality management of the medication use process, some of these approaches, such as risk management, are now part of the everyday work of healthcare professionals. However, other approaches, such as business process improvement, are still poorly developed in the hospital setting. In this general review, we discuss the main approaches of business process improvements that have been used in hospitals by focusing specifically on one of the newest and most currently used: Lean.