Doner, Nedime HazalYesilbalkan, Oznur UstaTaktuk, UgurUsta Yeşilbalkan, Öznur2025-05-252025-05-2520250941-43551433-7339https://doi.org/10.1007/s00520-025-09462-1https://hdl.handle.net/20.500.14365/6186Purpose This study aims to investigate frequency and causes of emergency department visits among oncology patients aged 65 and older. Method In this cross-sectional, descriptive and comparative study, data were collected a questionnaire form from a single emergency deparment of a university hospital in & Idot;zmir, West Turkey between January 2022 and July 2022. Data were analyzed by using IBM SPSS Statistics 25 software. Results A total 125 patients were included in the study. The most common causes of patients to the emergency derparment were infection, pain, nausea-vomiting, and dyspnea. A significant difference was found between the reason for the patient's emergency department visit and their knowledge of when to seek medical help (p < 0.05). Conclusion The recurrent visits of cancer patients to emergency departments suggest an inadequacy of comprehensive information available to both patients and their caregivers concerning the pursuit of emergency medical intervention.eninfo:eu-repo/semantics/openAccessEmergency ServiceOncologyOlder PeopleCancer CareArticle10.1007/s00520-025-09462-12-s2.0-105003805468