An observational study in Postoperative Chronic Pain and Hallux Valgus Surgery, sponsored by Pontificia Universidad Catolica de Chile. Not yet recruiting at 1 site in Chile. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-11-10.
Sponsored by Pontificia Universidad Catolica de Chile · Observational
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:
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.
5,640 studies on the registry are indexed under Pain, Postoperative; 1,230 are open to participants now.
This study's planned enrollment of 350 is above the median of 102 across 683 observational studies indexed under Pain, Postoperative.
Browse Pain, Postoperative studies →Pontificia Universidad Catolica de Chile is the lead sponsor of 224 studies on the registry; 59 are open to participants now.
Counted across the registry records on this site, refreshed daily.
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.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
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.
Time frame: "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.
From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗
This study is not yet recruiting, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.
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Pontificia Universidad Catolica de Chile →