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NCT Number: NCT07780526

Pilot Study of Anesthesiologists' Preoperative Prediction of Postoperative Intensive Care Unit Admission

This prospective observational pilot study will evaluate how accurately anesthesiologists can predict, before a procedure, whether an adult patient will require admission to an intensive care unit (ICU) after surgery or an endoscopic procedure.

Before each procedure, the anesthesiologist will record whether postoperative ICU care is expected and the clinical factors influencing this assessment. No changes will be made to the patient's usual medical care. After the procedure, the researchers will record whether the patient was admitted to the ICU and whether the admission was planned or unplanned. Additional information, including ICU and hospital length of stay, need for organ support, and in-hospital mortality, will also be collected when applicable.

The pilot study will also assess whether the planned data collection process is practical and whether the required study information can be collected completely before conducting the main prospective study.

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Key information

Conditions

Postoperative Intensive Care Unit Admission Perioperative Risk Assessment

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Age 18 years or older.
  • Undergoing an eligible surgical or endoscopic procedure on a predefined study day.
  • ASA Physical Status I-II and undergoing a major surgical or endoscopic procedure, or ASA Physical Status III-V and undergoing an eligible surgical or endoscopic procedure.
  • Preoperative anesthesiology assessment completed before the procedure.

Exclusion criteria

  • Age younger than 18 years.
  • ASA Physical Status I-II and undergoing a minor or non-major procedure.
  • Undergoing cardiac surgery.
  • Already admitted to an intensive care unit before the index procedure.
  • The planned surgical or endoscopic procedure is not ultimately performed.
  • The required preoperative assessment cannot be completed before the procedure.

Treatment and study plan

Preoperative Clinical Prediction of Postoperative ICU Admission

Other

Before the index procedure, the anesthesiologist will record whether postoperative intensive care unit admission is anticipated based on routine preoperative clinical assessment. This assessment is observational and will not alter routine patient care.

Primary outcomes

  1. Accuracy of Preoperative Prediction of Postoperative Intensive Care Unit Admission

    Time frame: Within 24 hours after the index surgical or endoscopic procedure

    Overall prediction accuracy will be calculated as the proportion of evaluable patients for whom the anesthesiologist's preoperative prediction of postoperative ICU need agrees with actual ICU admission status within 24 hours after the index procedure. Patients with mandatory postoperative ICU admission according to institutional protocol will not be included in this primary analysis.

Secondary outcomes

  1. Unanticipated Postoperative Intensive Care Unit Admission

    Time frame: Within 24 hours after the index surgical or endoscopic procedure

    The proportion of evaluable patients who are admitted to the ICU within 24 hours after the index procedure despite postoperative ICU care not being anticipated during the preoperative anesthesiology assessment.

Study contacts

Contact information is provided by the study sponsor or research team.

Halide Aydın

CONTACT

[email protected]

+90 532 695 99 82

Sponsors and collaborators

Lead sponsor

Van Training and Research Hospital

Other Gov

Registry information

Official study title

A Prospective Observational Pilot Study Evaluating Anesthesiologists' Preoperative Clinical Prediction of Postoperative Intensive Care Unit Admission in Adult Surgical Patients

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Aug 21, 2026
Registry last updated
Aug 21, 2026

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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