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CompletedNCT06847490Updated Feb 26, 2025

Transfusion Prediction in Major Abdominal Surgery

An observational study in Transfusions, sponsored by Asan Medical Center. Completed at 1 site in Korea, Republic of. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-02-26.

Sponsored by Asan Medical Center · Observational

Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
128,749
Ages
18 Years and older
Sex
All
01

Study summary

The transfusion nomogram, integrating preoperative variables, may effectively predict intraoperative transfusion in major abdominal surgery.

02

Conditions studied

  • Transfusions
03

In context

Lead sponsor

Asan Medical Center is the lead sponsor of 562 studies on the registry; 71 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

This study includes adult patients (≥18 years old) who underwent major abdominal surgery at a tertiary medical center. The study population consists of patients with available preoperative clinical and laboratory data, allowing for the development of a predictive model for intraoperative blood transfusion. Patients with known hematologic disorders, coagulopathy, or prior transfusion before surgery are excluded to minimize confounding factors.

Inclusion criteria

  • Patients aged 18 years and older who underwent major abdominal surgery

Exclusion criteria

Exclusion Criteria:

  • Patients with known hematologic disease or coagulopathy
  • Patients who received a blood transfusion before surgery
  • Patients with incomplete data or missing laboratory values
05

Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
128,749 participants (actual)
Patient registry
No

Interventions

  • OtherNo intervention (observational study)

    This is an observational study aimed at developing and validating a predictive model for perioperative blood transfusion. The study utilizes retrospective clinical data from surgical patients to identify key risk factors associated with transfusion requirements. No experimental intervention will be applied to participants, as the study solely focuses on data analysis and model development.

06

What researchers measure

Primary outcomes

  1. Intraoperative transfusion

    The primary outcome measure is the occurrence of intraoperative blood transfusion. This includes any administration of red blood cells, plasma, or platelets during the surgical procedure. The study aims to predict transfusion requirements based on preoperative clinical factors.

    Time frame: From surgical incision to the end of surgery

07

Study locations

1 site
  • Asan Medical Center
    Seoul, Songpa 05505, Korea, Republic of
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 26, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06847490
Lead sponsor
Asan Medical Center
Responsible party
Ji-Hoon Sim (Assistant Professor, Asan Medical Center) — Principal investigator
First posted
Feb 26, 2025
Start date
Jun 30, 2024
Primary completion
Dec 20, 2024
Completion
Jan 2, 2025
Last update
Feb 26, 2025

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Feb 2025. You cannot join it, but the record below documents what was studied.

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