Evaluation of a Web-Based Conversational Postoperative Assistant on Patient Satisfaction and Exercise Adherence After Total Knee Arthroplasty: Protocol of a Pragmatic Randomized Pilot Study With 6-Week Follow-up

Inclusion Criteria

Inclusion Criteria: * Age ≥18 years. * Primary, unilateral, elective total knee arthroplasty (TKA). * Discharged to home following surgery. * Ability to use a smartphone or tablet with internet access (patient or caregiver). * Written informed consent provided. Exclusion Criteria: * Revision or bilateral simultaneous TKA. * Major postoperative complication precluding home discharge (e.g., admission to intensive care, unplanned return to theatre, or haemodynamic instability). * Severe cognitive impairment precluding informed consent or device use. * No access to an internet-enabled device. * Inability or refusal to complete follow-up. * Participation in another interventional study at enrolment.