Incidence and Risk Factors of Postoperative Chronic Pain in Patients Who Have Undergone Hallux Valgus Surgery

NCT07330947 | Not Yet Recruiting

• 1 other identifier: 240930004
• Study Type: observational
• Target: 350
• Locations: 1 country
• Sites: 1

Brief Summary

The goal of this observational study is to learn about the incidence and risk factors of postoperative chronic pain in adult patients who have undergone Hallux Valgus surgery (between january 2021 and december 2024). This will be assesed through scales and medical records information. The main questions to be answered are:

• How many patients who have undergone Hallux Valgus surgery are experiencing postoperative chronic pain.
• What factors are there present in those who do experience chronic pain after surgery. After accepting the informed consent, participants will be asked to answer a Brief Pain Inventory Scale and a Risk Factor Questionnaire for Postoperative Chronic Pain.

Conditions

Hallux Valgus Surgery; Postoperative Chronic Pain

Keywords

Hallux Valgus surgery; postoperative chronic pain; risk factors; brief pain inventory

Outcome Measures

Primary Outcomes (1)

• The incidence of Chronic Postoperative Pain (CPOP) following Hallux Valgus surgeries

  The main outcome (chronic pain related to Hallux Valgus surgeries) will be assessed through the Brief Pain Inventory scale: * Pain intensity: Moderate (Visual Analog Scale 5 - 7) or severe pain (Visual Analog Scale 8 - 10). * Time: over 3 months. * Pain description: pain is anatomically located where the Hallux Valgus surgery has taken place.

  "Day 1" The outcome measure will be recorded on day 1, when the patient has agreed to the informed consent and to answer the questionnaire.

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

This is a descriptive cross-sectional study involving 350 patients who underwent Hallux Valgus surgery at a Clinical Hospital from January 2021 to April 2024. The study includes patients who underwent Hallux Valgus surgery within the UC Christus Health Network. The telephone records of patients who meet the inclusion criteria will be obtained from the Orthopedics Service database, in adherence to the UC Christus clinical data protection policy.

You may qualify if:

• Patients who underwent Hallux Valgus surgery at various centers within the UC Christus network from January 2021 to April 2024.

You may not qualify if:

• Patients who had difficulty responding to follow-up from the UC Christus health network Pain Unit and/or who do not answer the telephone call

Sponsors & Collaborators

• Pontificia Universidad Catolica de Chile: lead

Study Sites (1)

Pontificia Universidad Católica de Chile

Santiago, Santiago Metropolitan, 8330024, Chile

Location

MeSH Terms

Conditions

Pain, Postoperative

Condition Hierarchy (Ancestors)

Postoperative Complications; Pathologic Processes; Pathological Conditions, Signs and Symptoms; Pain; Neurologic Manifestations; Signs and Symptoms

Central Study Contacts

María Francisca Elgueta, MD Associate Professor

CONTACT

+56 9 6218 7863; panchielgueta@gmail.com

Study Design

• Study Type: observational
• Observational Model: OTHER
• Time Perspective: RETROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: MD Anesthesiologist and Associate Professor

Study Record Dates

• First Submitted: November 28, 2025
• First Posted: January 9, 2026
• Study Start: February 2, 2026
• Primary Completion (Estimated): December 1, 2026
• Study Completion (Estimated): December 30, 2026
• Last Updated: January 9, 2026

Record last verified: 2025-12

Locations

CL (1)