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CompletedNCT03249038Updated Oct 29, 2024

Estimated Blood Loss: Novel Model for Estimating Surgical Blood Loss.

An observational study in Blood Loss, Surgical, Blood Loss and Blood Loss, Postoperative, sponsored by Hospital Clinic of Barcelona. Completed. Open to participants aged 18 Years to 100 Years. Per ClinicalTrials.gov, last updated 2024-10-29.

Sponsored by Hospital Clinic of Barcelona · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
100
Ages
18 Years to 100 Years
Sex
All
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Study summary

Estimated blood loss is an important parameter recognized as a standard practice in anesthesiology and others medical specialties, with relevant clinical and research applications. Currently is no model capable of accurately estimate blood loss. The purpose of this study is to evaluate the accuracy of a novel model.

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Conditions studied

  • Blood Loss, Surgical
  • Blood Loss
  • Blood Loss, Postoperative
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In context

Hemorrhage

3,000 studies on the registry are indexed under Hemorrhage; 474 are open to participants now.

This study's enrollment of 100 is below the median of 150 across 893 observational studies indexed under Hemorrhage.

Browse Hemorrhage studies →

Lead sponsor

Hospital Clinic of Barcelona is the lead sponsor of 319 studies on the registry; 55 are open to participants now.

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

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Who can participate

Ages eligible
18 Years to 100 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Patients scheduled for elective urologic laparoscopy surgery.

Inclusion criteria

  • Patients scheduled for elective urologic laparoscopy surgery.

Exclusion criteria

Exclusion Criteria:

  • Patient with suspected or confirmed heart failure, severe hypertension, hepatic cirrhosis, chronic kidney disease on dialysis, coagulopathy, as well as patient receiving diuretics, anticoagulant or antiplatelet agents.
  • Cases in which surgical gauzes were used, including conversion to open surgical technique. - Patients who have received transfusions of RBCs during the perioperative period.
  • Patients who have showed postoperative bleeding, defined by an amount greater than 50 ml in surgical drains, or any other type of blood loss.
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Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
100 participants (actual)
Patient registry
No
Biospecimen retention
Samples without dna

Interventions

  • OtherMeasurement of external blood loss
  • Diagnostic testSerum Hemoglobin concentration
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What researchers measure

Primary outcomes

  1. Hemoglobin mass lost

    Time frame: Intraoperative

  2. Postoperative serum hemoglobin concentration

    Time frame: 48 hours

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Study locations

No study locations are listed for this record.

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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 29, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT03249038
Lead sponsor
Hospital Clinic of Barcelona
Responsible party
Sebastian Jaramillo (Dr. Sebastian Jaramillo, Hospital Clinic of Barcelona) — Principal investigator
First posted
Aug 15, 2017
Start date
Jan 1, 2017
Primary completion
Aug 1, 2017
Completion
Sep 1, 2017
Last update
Oct 29, 2024

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2024. You cannot join it, but the record below documents what was studied.

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