Artificial Intelligence vs. Automated Messaging for Continuous Regional Analgesia Follow-up

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Conditions studied: Anesthesia, Anesthesia , Analgesia, Regional Anesthesia, Regional Anesthesia Success

In brief

Effective postoperative analgesia is critical for patient recovery, satisfaction, and the reduction of hospital stay duration. Continuous peripheral nerve blocks (CPNB) via catheter placement represent a cornerstone in achieving these objectives. Traditionally, follow-up for these patients has relied on standardized telephone protocols conducted by trained personnel. Original previous research in 2024 demonstrated that an automated text-messaging platform was feasible and maintained high patient satisfaction, it resulted in a significantly higher rate of unscheduled patient-initiated inquiries (28.3% vs. 6.4%) compared to traditional phone calls, likely due to a lack of adaptive response capabilities. Objective: This study aims to evaluate an enhanced technological iteration of our follow-up platform. By integrating an Artificial Intelligence (AI) interface trained on specialized clinical protocols, the new system is designed to provide automated, personalized and adaptive recommendations to patients. Methods and Intervention: The study will compare the effectiveness of this AI-driven platform against the previous version of the non-adaptive automated messaging system. The primary outcome is to compare the number of patient-initiated inquiries (re-consultations). Secondary outcomes include patient satisfaction, adherence to the follow-up protocol, and response rates from postoperative days one through three. Impact: The investigators hypothesize that the integration of AI will optimize human resources and improve patient autonomy without compromising safety or satisfaction, ultimately providing a scalable model for postoperative regional analgesia monitoring.

Key facts

Study ID

NCT07510425

Run by

Pontificia Universidad Catolica de Chile

People needed

166

Starts

2026-04-01

Expected to finish

2027-07-01

Last updated by the study team

2026-04-03

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Patients aged between 18 and 75 years.
• Physical status classification ASA I or II.
• Scheduled for ambulatory surgical programs at UC Christus Health Network centers (Hospital Clínico, Clínica San Carlos de Apoquindo, or Centro Médico Santa Lucía).
• Patients receiving postoperative pain management via continuous peripheral nerve block (CPNB) with a perineural catheter and disposable infusion pump.
• Ownership and documented proficiency in operating a smartphone to access the mobile application.
• Provision of written informed consent.

You may not qualify if…

• Inability to understand or follow the digital monitoring protocol.
• Patients not meeting the age or ASA physical status requirements.

Where it is running

• Region Metropolitana de Chile — Santiago, Chile

Full record on ClinicalTrials.gov

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