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Background/Objectives: Despite ongoing innovation, few interventions—including Clinical Decision Support Systems (CDSS)—are successfully integrated into routine care. Understanding the process through which innovations are implemented is therefore essential for advancing practice and research. In perinatal settings, evidence on how CDSS implementation unfolds and which strategies support adoption, scale-up, and sustainment remains limited. This study aimed to understand the implementation process, key determinants and implementation strategies of a shared antenatal psychosocial CDSS (i.e., the Born in Belgium Professionals BIB-Pro) implemented in a real-world, cross-sectoral perinatal care setting. Methods: A qualitative exploratory case study was conducted between January and March 2025. Data included semi-structured interviews with all seven implementation agents, document analysis of the implementation plan. Directed content analysis was applied using the Exploration, Preparation, Implementation, Sustainment (EPIS) framework to categorise contextual determinants and the ERIC taxonomy to classify implementation strategies. Data were synthesised across the four EPIS phases. Results: The implementation process unfolded across all EPIS phases, showing a shift in responsibility from the policy level to the implementation team and healthcare organisations. Implementation was shaped by key determinants across multiple levels: (1) the bridging functions by the BIB-Pro implementation agents connecting policy, innovation, and organisational practice; (2) the system-level leadership and funding by the National Institute for Health and Disability Insurance that enabled initiation and sustainability; and (3) the multilevel stakeholder involvement and inter-organisational collaboration across care settings. In addition, the personal attributes of implementation agents—accessibility, active listening, adaptability, and persistent follow-up—were also identified as relevant factors in the implementation process. Across the implementation process, a broad range of implementation strategies was identified. The most prominent ERIC strategies were developing stakeholder interrelationships, evaluative and iterative strategies, engaging stakeholders, training and educating stakeholders, and providing interactive assistance. Barriers encountered during the implementation process included fragmented care networks, inconsistent regional referral structures, legal uncertainties, and variable digital readiness. In response to these challenges, implementation strategies were applied to support collaboration, clarify procedures and provide targeted support. Conclusions: This study provides insight into how a CDSS was introduced, scaled, and sustained across complex multiple Belgian perinatal care settings. Strong bridging functions, stakeholder interrelationships, iterative evaluation, and system-level support were key factors throughout the implementation process. Across all phases, stakeholder interrelationship strategies and evaluative and iterative strategies were the most prominent and consistently applied, supporting stakeholder engagement and sustained use of the platform. These findings offer actionable guidance for implementing digital tools in multi-organisational and multi-level contexts within perinatal care and other healthcare settings.
Amuli et al. (Fri,) studied this question.