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OpenTrials
Completed

NCT Number: NCT03249038

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

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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Key information

Conditions

Blood Loss, Surgical Blood Loss Blood Loss, Postoperative Hemorrhage Intraoperative Complications Pathologic Processes Pathological Conditions, Signs and Symptoms Postoperative Complications Postoperative Hemorrhage

Age range

18 year–100 year

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Patients scheduled for elective urologic laparoscopy surgery.

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.

Treatment and study plan

Measurement of external blood loss

Other

Serum Hemoglobin concentration

Diagnostic Test

Primary outcomes

  1. Hemoglobin mass lost

    Time frame: Intraoperative

  2. Postoperative serum hemoglobin concentration

    Time frame: 48 hours

Sponsors and collaborators

Lead sponsor

Hospital Clinic of Barcelona

Other

Registry information

Important dates

Study start
2017
Primary completion
2017
Study completion
2017
First posted
Aug 15, 2017
Registry last updated
Oct 29, 2024

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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