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NCT04973397Recruiting

Vascular Events In Patients Undergoing Same-day Noncardiac Surgery (VALIANCE) Study

Vascular Events In Patients Undergoing Same-day Noncardiac Surgery (VALIANCE) Study - A Prospective Observational Cohort Study Evaluating Major Cardiovascular and Adverse Events in Patients Undergoing Elective Same-day Noncardiac Surgery

Source: ClinicalTrials.gov · Last updated 4 Nov 2026

Brief summary (registry, in English)

The proportion of noncardiac surgeries performed as same-day surgery is increasing worldwide, with more complex surgeries being performed on higher risk patients in the outpatient setting. Little is known on the risk factors, incidence and prognosis of patients undergoing same-day noncardiac surgery. The main objective of this study is to inform on the incidence and risk factors of cardiovascular and other adverse events after same-day surgery and to develop risk prediction tools to better inform on the risk and selection of patients undergoing same-day surgery.

Status (registry)
Recruiting
Study type
Observational
Enrollment
15000 (estimated)
First submitted
13 Jul 2021
Start date
17 Nov 2021
Primary completion date
Dec 2026
Lead sponsor
Centre hospitalier de l'Université de Montréal (CHUM)
NCT number
NCT04973397

What you commit to

  • Study type: Observational
  • Planned participants: 15000
  • From 17 Nov 2021 to the primary completion date, Dec 2026
  • 16 sites in 4 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • previously enrolled in the VALIANCE study.

Other

  • intervention does not require the presence of an anesthesiologist;
  • procedure is performed by a nonsurgical specialty (e.g., gastroenterology, pneumology, radio-oncology or radiology);
  • intervention is an ophthalmologic procedure;

Who the study is looking for

  • 45-64 years of age with at least one risk factor, or ≥65 years of age;
  • undergoing elective noncardiac same-day surgery;
  • planned duration in the operating room 60 minutes or more;
  • provided written consent.

Age in the registry: 45 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (16)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
McMaster University Medical Centre
Coordinator of this site? Confirm its status
HamiltonCanadaActive, not recruiting
Hamilton General Hospital
Coordinator of this site? Confirm its status
HamiltonCanadaRecruiting
St. Joseph's Healthcare Hamilton
Coordinator of this site? Confirm its status
HamiltonCanadaActive, not recruiting
Juravinski Hospital and Cancer Centre
Coordinator of this site? Confirm its status
HamiltonCanadaRecruiting
Centre Hospitalier de l'Universite de Montreal (CHUM)
Coordinator of this site? Confirm its status
MontrealCanadaRecruiting
Centre Hospitalier Universitaire de Sherbrooke
Coordinator of this site? Confirm its status
SherbrookeCanadaActive, not recruiting
St-Micheal's Hospital
Coordinator of this site? Confirm its status
TorontoCanadaActive, not recruiting
Toronto Western Hospital
Coordinator of this site? Confirm its status
TorontoCanadaRecruiting
Mount Sinai Hospital
Coordinator of this site? Confirm its status
TorontoCanadaRecruiting
Hospital Clinic Barcelona
Coordinator of this site? Confirm its status
BarcelonaSpainRecruiting
Maasstad Ziekenhuis Rotterdam
Coordinator of this site? Confirm its status
RotterdamNetherlandsRecruiting
Cleveland Clinic Foundation Main Campus
Coordinator of this site? Confirm its status
ClevelandUnited StatesActive, not recruiting
Cleveland Clinic Foundation Fairview Campus
Coordinator of this site? Confirm its status
ClevelandUnited StatesRecruiting
MD Anderson Cancer Center
Coordinator of this site? Confirm its status
HoustonUnited StatesRecruiting
Memorial Hermann Texas Medical Center UT Health
Coordinator of this site? Confirm its status
HoustonUnited StatesRecruiting
Wake Forest Baptist Medical Centre
Coordinator of this site? Confirm its status
Winston-SalemUnited StatesRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.