: Pressure injuries represent a significant healthcare problem associated with delayed recovery, pain, reduced quality of life and an increased burden on the healthcare system. The development of pressure injuries depends on several factors, with nutrition playing an important role. Poor nutritional status, inadequate energy and protein intake, and overall inadequate nutrition may increase the risk of pressure injury development. Purpose: The aim of the thesis is to analyse the impact of nutrition on the risk of developing pressure injuries and to propose effective interventions. The objective of the thesis is to review scientific and professional literature and to prepare recommendations for the nutrition of patients at risk of developing pressure injuries. Methods: Based on a systematic literature review, we analysed articles obtained through a planned process of searching for and selecting literature in the PubMed and EBSCOhost databases. In the PubMed database, 1765 records were identified, and in EBSCOhost, 1273 records were identified. Of all identified records, 5 met the inclusion criteria (English language, publication between May 1996 and May 2026, randomised controlled trials, and other clinical studies and research investigating the impact of nutrition on the prevention of pressure injuries or the risk of their development). The search was conducted using Boolean operators. Results: Of the five studies, four directly addressed the prevention of pressure injuries, while one assessed the feasibility of an intervention influencing pressure injury prevention. Nutritional interventions most commonly demonstrated an improvement in nutritional intake, whereas a reduction in the incidence of pressure injuries was demonstrated only in some studies. Discussion: The results of the literature review indicate that nutritional support represents an important part of pressure injury prevention; however, the direct impact of nutrition has not been consistently confirmed. The most consistent finding was an improvement in energy and protein intake. The effect on reducing pressure injuries depends on the type of intervention, patient characteristics, and the timing of the initiation of nutritional support. Nutritional support does not represent an independent measure but rather a component of comprehensive pressure injury prevention. Conclusion: Appropriate nutritional management may contribute to reducing the risk of developing pressure injuries. Early identification of nutritional risk, monitoring nutritional intake, and timely implementation of nutritional support in combination with other preventive measures are important.
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