[The innovation and change processes: an update on background theories].

Unlabelled: The innovation and change processes: an update on background theories.
Introduction: The change process was widely studied to improve its understanding and management.
Aim: To synthesize the theoretical debate on organizational change, on the reactions of those involved and on the strategies suggested to manage it.
Results: The drive to change may come from factors internal or external to the organization. The aim of the change can be oriented to the adaptation or to a radical change; the worries of those involved span from its personal to professional impact.
Conclusions: The guarantee of a support during the change process is especially important when several wards are involved and when a reallocation or transfer of resources has been planned.