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NCT Number: NCT07164339

Intraoperative Perfusion Index and Mortality

This study will use routinely collected perioperative data to examine the relationship between intraoperative perfusion index and postoperative outcomes, including mortality.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Conditions

Hemodynamic Intraoperative Hemodyamic Monitoring Perfusion Index

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Copenhagen University Hospital - Hvidovre

Hvidovre, 2650, Denmark

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients above 18 years of age who underwent general anesthesia for non-cardiac surgery of any type

Exclusion criteria

  • No registration of intraoperative perfusion index or no information on vital status 30 days after surgery

Treatment and study plan

Primary outcomes

  1. All-cause mortality

    Time frame: 30 days from time of surgery

Secondary outcomes

  1. Composite Adverse Outcome

    Time frame: 30 days from time of surgery

    Proportion of participants who experience ≥1 of the following within 30 days after index surgery:

    • Postoperative admission to the intensive care unit
    • Reoperation (within 30 days)
    • Prolonged length of stay, defined as length of stay falling within the highest (75th-100th) percentile for the patient's surgical category
    • Acute kidney injury according to Kidney Disease: Improving Global Outcome (KDIGO) criteria (≥1.5-fold increase from baseline within 7 days after surgery or 0.3 mg dl-1 increase within 48 h)

  2. Postoperative ICU Admission

    Time frame: 30 days from date of surgery

    Any ICU admission occurring after index surgery and within 30 days.

  3. Reoperation

    Time frame: 30 days from date of surgery

    Any return to the operating room within 30 days of index surgery.

  4. Prolonged Length of Stay (LOS)

    Time frame: Through hospital discharge (max. 6 months from surgery date)

    Proportion of participants whose index-hospitalization LOS (days from surgery to discharge) falls in the 75th-100th percentile for their surgical category, determined from the study cohort distribution and assessed at discharge.

  5. Acute Kidney Injury

    Time frame: 30 days from date of surgery

    AKI defined by KDIGO criteria (≥1.5× baseline serum creatinine within 7 days or ≥0.3 mg/dL increase within 48 h) occurring within 30 days of surgery.

Sponsors and collaborators

Lead sponsor

Copenhagen University Hospital, Hvidovre

Other

Registry information

Official study title

Association Between Intraoperative Perfusion Index and Mortality

Important dates

Study start
2024
Primary completion
2025
Study completion
2025
First posted
Sep 10, 2025
Registry last updated
Sep 10, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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