This prospective randomized controlled study aims to evaluate the effect of mobile-based perioperative education on postoperative urinary incontinence and erectile function in patients undergoing radical prostatectomy. Patients scheduled for radical prostatectomy will be assigned to either an intervention group or a control group. The intervention group will receive standard care plus a structured mobile application-based perioperative education program including video-assisted pelvic floor muscle training, perioperative education modules, reminders, and follow-up components. The control group will receive routine perioperative care and standard patient education. Data will be collected preoperatively, after urinary catheter removal, and at 1 month and 3 months after surgery. The primary outcomes are urinary incontinence and erectile function, assessed using the International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF), the International Index of Erectile Function-5 (IIEF-5), and a 24-hour pad assessment. Secondary outcomes include lower urinary tract symptoms and disease-specific quality of life assessed by the International Prostate Symptom Score (IPSS), psychological status assessed by the Depression Anxiety Stress Scale-21 (DASS-21), and system usability assessed by the Turkish version of the Computer System Usability Questionnaire-Short Version (T-CSUQ-SV)
Patients diagnosed with prostate cancer and scheduled for elective radical prostatectomy (open, laparoscopic, or robotic)
Aged 18 years or older
Planned to undergo surgery at the study center(s)
Able to use a smartphone and having sufficient digital literacy to operate the mobile application
Pre-existing urinary incontinence or erectile dysfunction before surgery
Severe cognitive impairment or severe visual or hearing impairment
Previous pelvic radiotherapy or a history of major pelvic surgery
Presence of severe comorbidity or terminal illness that may interfere with adherence to the study protocol
Parallel
Mobile-Based Perioperative Education Program
BehavioralA structured mobile application-based perioperative education program including video-assisted pelvic floor muscle training, perioperative education content, reminder notifications, and follow-up support.
Standard Perioperative Care
Other interventionRoutine perioperative care and standard patient education provided according to institutional practice.
Urinary Incontinence Severity
Urinary incontinence severity will be assessed using the International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF). Higher scores indicate greater symptom severity and greater impact on quality of life.
Erectile Function
Erectile function will be assessed using the International Index of Erectile Function-5 (IIEF-5). Higher scores indicate better erectile function.
Urinary Leakage Severity by 24-Hour Pad Use
Urinary leakage severity will be evaluated according to 24-hour pad use. Daily use of 1 to 2 pads will be classified as mild, 3 to 5 pads as moderate, and more than 5 pads as severe urinary incontinence.
Lower Urinary Tract Symptoms and Disease-Specific Quality of Life
Assessed using the International Prostate Symptom Score (IPSS), including symptom severity and the disease-specific quality of life item.
Psychological Status
Assessed using the Depression Anxiety Stress Scale-21 (DASS-21).
System Usability
Usability of the mobile application will be assessed using the Turkish version of the Computer System Usability Questionnaire-Short Version (T-CSUQ-SV) to evaluate participants' ability to use the mobile application.
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