Valencia, Spain | 16 - 18 May 2024 11th EORNA Congress ePoster Guided View 33 properly maintained within the standard value of 24 degrees or less and within 70%. In the case of sterilized products packaged in linen and nonwoven fabrics, they remained sterile for up to five months, so the valid expired date can be extended from the current one month to five month. Also, in the case of sterilized products packaged in sterile pouch, the valid expired date, currently six months, can be extended to eight months. 501 Greening the Operating Room: Simple Changes to Reduce Cost and Carbon Footprint Marlene Piçarra1, Maria Brito1, Ana Ideias1, Sofia Freitas1 2, Carla Rodrigues Silva3 1Unidade Local de Saúde Entre Douro e Vouga, Santa Maria da Feira, Portugal, 2Santa Maria da Feira, Santa Maria da Feira, Portugal, 3IPO-Porto, Porto, Portugal Background: Operating rooms (ORs) produce approximately 70% of hospital waste. Greening strategies in the OR aim to reduce the environmental impact of surgery while maintaining patient safety and outcomes. It is therefore important to implement simple strategies that provide an opportunity for improvement with conscious consumption of reusable medical devices. Objectives: Demonstrate that reusable surgical drapes can reduce the carbon footprint providing economic benefits and waste reduction, focusing on reuse and end of life recycling. Methods: In order to demonstrate the benefit of this practice, an economic-environmental and exploratory study was conducted in a Portuguese hospital. Results: Each “green drape” resulted in a 60% saving compared to the cost of disposables drapes, accompanied by 75% of cost savings associated with reduced surgical waste treatment. This translates into a minimum annual institutional savings of 109,631 euros in the use of reusable surgical drapes. This analysis shows that the reusable fields generate a financial return of €109,631 per year and a saving in group III waste of 10,193kg, which corresponds to an expense of €7,262 for the institution and in a long term is a more efficient method and sustainable. There are studies that prove that no increase in complications or infections of surgical wounds was observed after the introduction of greening. Conclusion: The reprocessing of medical devices optimizes efficiency and reduces waste generation, has a positive impact on the environment and can be accompanied by cost reduction. Given that the field of sustainability in healthcare is young but expanding, more research is needed to help decrease single-use disposables. 489 Navigating Evidence-Based Preoperative Recommendations in Cardiac Surgery: A Scoping Review. Amalia Sillero Sillero1, Raquel Ayuso Margañón2, Sandra Campuzano Jiménez3, Neus Buil4 1Escuela Universitaria Gimbernat, Nursing, Sant Cugat del Vallès, Spain, 2Escuela Superior de Enfermería del Mar, Nursing, Barcelona, Spain, 3Escuelas Universitarias Gimbernat, Nursing, Sant Cugat del Vallès, Spain, 4Hospital de la Santa Creu i Sant Pau, Surgical Area, Barcelona, Spain Background: In the perioperative process, nurses assume a pivotal role, requiring essential resources, materials, knowledge, and skills, plus high-quality pre-surgical preparation. This study aims to contribute to the scientific community by consolidating multi-professional recommendations tailored specifically for the preoperative preparation of adult patients undergoing cardiac surgeries. Objectives: To explore into the available evidence and current knowledge surrounding recommendations for preoperative preparation in diverse types of cardiac surgery, encompassing both elective and urgent procedures Methods: This is a scoping review following Joanna Briggs Institute guidelines, a systematic search was conducted in January 2022 across multiple databases, including Cochrane Library, Cumulative Index to Nursing and Allied Health (CINAHL), Gale Academic OneFile, Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS), ScienceDirect, Scientific Electronic Library Online (SciELO), Scopus, Trove - National Library of Australia, and Web of Science. This approach ensures a comprehensive literature review while adhering to established rigorous and thorough searching guidelines. The strategy incorporated terms related to thoracic and cardiac surgery and preoperative care, tailored for each data
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