Purpose: This study was conducted to evaluate the effect of isometric exercise and dry heat application technique on venous fullness and vein visibility in cancer patients.
Design: This study is a randomized controlled trial model. Methods: This study was conducted in the outpatient chemotherapy unit of Malatya Turgut Ozal Medical Center Oncology Hospital, Türkiye. A total of 180 patients were enrolled and randomly allocated using block randomization to an isometric exercise group (n = 60), a dry heat application group (n = 60), or a control group (n = 60). Sample size was determined through power analysis. Data were collected using the "Descriptive Information Form", "Vein Rating Scale" and "Vein Assessment Tool".