Evaluation of an AI-assisted chat system for patient inquiries after total hip arthroplasty

Evaluation of the Effectiveness, Safety, and Acceptability of an AI-Assisted Chat System for Patient Inquiries in a Smartphone Application After Total Hip Arthroplasty - AI-assisted Chat system for patients after THA

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060889

Enrollment

100

Registered

2026-03-10

Start date

2026-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients undergoing total hip arthroplasty (THA)

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who: - Undergo total hip arthroplasty at the participating institution - Use the smartphone application for perioperative rehabilitation support - Provide informed consent for participation in the study

Exclusion criteria

Exclusion criteria: Patients who: - Are unable to use a smartphone application - Decline participation in the study - Have cognitive impairment that prevents appropriate use of the chat function

Design outcomes

Primary

Measure	Time frame
Number of healthcare professional message responses per patient. The outcome will be compared before and after the introduction of the AI-assisted chat system.	—

Secondary

Measure	Time frame
- Response time to patient inquiries - AI response rate - AI resolution rate (proportion of inquiries resolved by AI without healthcare professional intervention) - Medical appropriateness of AI responses evaluated by clinicians - Patient satisfaction with the chat system - Net Promoter Score (NPS)	—

Countries

Japan

Contacts

Public ContactTsutomu Nakayama

Hokusuikai Kinen Hospital Department of Rehabilitation

tsutomu_0616@yahoo.co.jp029-303-3003

Outcome results