Point-of-care additive manufacturing: state of the art and adoption in Spanish hospitals during pre to post COVID-19 era

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BACKGROUND: 3D technologies [Virtual and Augmented 3D planning, 3D printing (3DP), Additive Manufacturing (AM)] are rapidly being adopted in the healthcare sector, demonstrating their relevance in personalized medicine and the rapid development of medical devices. The study's purpose was to understand the state and evolution of 3DP/AM technologies at the Point-of-Care (PoC), its adoption, organization and process in Spanish hospitals and to understand and compare the evolution of the models, clinical applications, and challenges in utilizing the technology during the COVID-19 pandemic and beyond. METHODS: This was a questionnaire-based qualitative and longitudinal study. Data on 3DP and AM activities in Spain were collected from 73 hospitals/institutions falling under the ITEMAS (Platform for Innovation in Medical and Health Technologies) and the Plataforma ISCIII Biomodelos y Biobancos from January 2019 to May 2020 for the first study, and at the end of 2022 and 2023 for the second study. RESULTS: A total of 23 (31.5%) hospitals during the first study, while 30 (41.09%) during the second study reported having at least one 3DP/AM initiative. Post-covid, the majority of hospitals had onsite 3DP/AM services with a well-defined, structured, and centralized system. Traumatology and maxillofacial surgery services were found to be the most involved in 3DP projects for the production of custom-made surgical guides, prostheses and orthoses. Bioprinting initiatives were also noted to be expanding. Human resources, cost, and regulatory compliance were the key hurdles in introducing 3D/AM in hospitals. CONCLUSIONS: In-house 3DP/AM units, with Mixed-Model is the most common model in Spain; The COVID-19 pandemic influenced the 3D planning activity and adoption. Further research and clinical trials, and improvements in resources, reimbursement and regulatory compliance are critical for the Point-of-care hospital growth of this breakthrough technology.

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