Objective: to analyze the communication strategies adopted by a General Hospital, which helped the accreditation's maintenance with excellence. Method: case study of a Private Hospital in Belo Horizonte, Brazil, accredited with excellence. Data were collected through semi-structured interviews and through analysis of institutional documents. The interviews were transcribed in full and submitted to content analysis. Results: instigating organizational and behavioral changes that have generated

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... security and resistance in employees. The development of strategies to improve internal communication contributed to the uniformity of information and the greater integration of professionals in their actions, promoting the change in the workers' attitudes, and engaging and involving them in the process. Conclusion: communication plays a prominent role in the consolidation of hospital care and the development of a priority strategy to reach and maintain it, with an emphasis on quality of care and patient safety.