Falls, one of the patient safety goals, lead to injury and death if not prevented. This study was conducted to determine the effect of algorithm-guided care on falling, fear of movement, fear of falling and postoperative recovery index for patients with total knee replacement surgery at high risk of falling. The research was conducted as a randomized, controlled and experimental study in the orthopedic clinics of a city hospital and a state hospital between 20.01.2024 and 04.06.2024. The sample of the study consisted of 56 patients who would undergo total knee replacement surgery with a high risk of falling. The patients were divided into two groups: experimental (n=28) and control (n=28) groups. "Patient Questionnaire", "Postoperative Recovery Index (ASII)", "Tampa Kinesiophobia Scale (TKÖ)", "International Fall Effectiveness Scale (UDES)" were applied to all patients participating in the study. The "Fall Prevention Algorithm" prepared by the researchers was applied to the experimental group patients.

Inclusion Criteria:

• Having a unilateral total knee replacement surgery for the first time,
• Not having a psychiatric illness diagnosis,
• Being able to speak and understand Turkish,
• Being willing to participate in the research.

Exclusion Criteria:

• Patients who will undergo emergency surgery,
• Have hearing and speech problems,
• Have visual impairment,
• Have conditions that may affect cognitive functions