NCT05316649

Brief Summary

Blood loss quantification during surgery remains unreliable and inaccurate. The purpose of the study is compare several methods of blood loss quantification in real surgical settings and to analyze the effect of blood loss on postoperative complications.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
45

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started May 2021

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2021

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

March 20, 2022

Completed
18 days until next milestone

First Posted

Study publicly available on registry

April 7, 2022

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2022

Completed
Last Updated

April 7, 2022

Status Verified

March 1, 2022

Enrollment Period

1.2 years

First QC Date

March 20, 2022

Last Update Submit

March 30, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Blood loos quantification

    Estimated blood loss by surgeon (sEBL) Estimated blood loss by anesthesiologist (aEBL) Gravimetric blood loss weighted (vGBL) Calculated blood loos based on anthropometric and hematological parameters (vCBL) Spectrophotometric measured hemoglobin mass loss (hbMBL) Measured blood loss using using hbMBL and patient's average pre- and postoperative serum hemoglobin (vMBL)

    1 year

Secondary Outcomes (1)

  • Postoperative complications

    1 year

Study Arms (1)

HPB group

Adult patients undergoing for elective liver or pancreas surgery at Department of Surgery, University Hospital Hradec Kralove, Czech Republic.

Other: Measurement of external blood lossDiagnostic Test: Serum Hemoglobin concentration

Interventions

Measurement of external blood loss

HPB group

Serum Hemoglobin concentration

HPB group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Adult patients undergoing for elective liver or pancreas surgery.

You may qualify if:

  • patient scheduled for liver or pancreatic surgery
  • age of patient ≥ 18 years
  • signed informed consent provided

You may not qualify if:

  • patient coagulation disorder (congenital or iatrogenic due to the chronic use of anticoagulants).
  • use of cell saver suctioning during operation
  • damage/clotting of blood samples

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Defence, Faculty of Military Health Sciences

Hradec Králové, 50001, Czechia

RECRUITING

Related Publications (1)

  • Zajak J, Paral J, Sirovy M, Odlozilova S, Vinklerova K, Lochman P, Cecka F. Blood loss quantification during major abdominal surgery: prospective observational cohort study. BMC Surg. 2024 Jan 2;24(1):5. doi: 10.1186/s12893-023-02288-w.

Biospecimen

Retention: SAMPLES WITHOUT DNA

Serum Hemoglobin concentration Suctioned fluid Hemoglobin concentration

MeSH Terms

Conditions

Blood Loss, SurgicalPostoperative HemorrhagePostoperative Complications

Condition Hierarchy (Ancestors)

HemorrhagePathologic ProcessesPathological Conditions, Signs and SymptomsIntraoperative Complications

Study Officials

  • Jan Zajak, MD, MA

    University of Defence, Faculty of Military Health Sciences

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Jan Zajak, MD, MA

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Jan Zajak, MD, MA

Study Record Dates

First Submitted

March 20, 2022

First Posted

April 7, 2022

Study Start

May 1, 2021

Primary Completion

June 30, 2022

Study Completion

August 31, 2022

Last Updated

April 7, 2022

Record last verified: 2022-03

Data Sharing

IPD Sharing
Will not share

Locations