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Cardiac OutputNCT05508711

Comparability of Transesophageal Echocardiography and FloTrac/Vigileo System Three Different Positions

An observational study of Cardiac Output, run by Université Libre de Bruxelles at 1 site in Belgium.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The use of cardiac output monitoring to guide intraoperative fluid management and inotropic drugs as part of a hemodynamic therapy algorithm reduce the complication rate in major abdominal surgery. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Cardiac Output
What is being tested?
FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) device
Type of treatment
Medical device
How many people
40 participants
Where
1 siteBelgium
Study dates
1 Oct 2021to 30 Jun 2022
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Patients without heart disease or hemodynamic instability scheduled for elective pancreatic, bladder or liver surgery requiring invasive monitoring and Trendelenburg position during the procedure.

Who may be able to join

  • patients scheduled for elective pancreatic, bladder or liver surgery requiring invasive monitoring and Trendelenburg position during the procedure

Who cannot join

  • age under 18 years
  • weight under 40 kg
  • preoperative left ventricular ejection fraction (LVEF) less than 45%
  • severe heart valve disease
  • known intra-and/or extracardiac shunt
  • pulmonary hypertension
Show all 9Show fewer
  • preoperative circulatory shock with need for hemodynamic inotropic support
  • redo surgery
  • pregnancy

Trial locations and contacts

1 site in 1 country.

Belgium1 site
  • Université Libre de Bruxelles

    Brussels, Brussels Capital, 1070

Other trials in Belgium

About this study

Official title: Comparability of Transesophageal Echocardiography and Continuous Mini-invasive FloTrac/Vigileo System (© Edwards Lifesciences) for the Determination of Cardiac Output in Three Different Positions During General Anesthesia

The use of cardiac output monitoring to guide intraoperative fluid management and inotropic drugs as part of a hemodynamic therapy algorithm reduce the complication rate in major abdominal surgery. The FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) device estimate cardiac output by using arterial pulse contour analysis. The accuracy of FloTrac/Vigileo have been proven in patients with normal cardiac index. Most of studies regarding FloTrac/Vigileo were performed in patients in horizontal supine position, which is not usually the reality in the operation theater during abdominal surgery. Therefore, the investigators realized this monocentric prospective clinical trial to study the accuracy and trending ability of the fourth generation FloTrac/Vigileo system cardiac output estimation in three different positions (horizontal supine, Trendelenburg and reverse Trendelenburg positions) in anesthetized patients undergoing elective major abdominal surgery. The reference method of cardiac output measurement used was the transesophageal echocardiography.

Conditions
Cardiac Output
Being tested
FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) device
Keywords
Cardiac output monitoring, Mini-invasive

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) deviceDevice

    Concomitant cardiac output measurement with transesophageal echocardiography and with the FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) device in 3 different positions (horizontal supine, Trendelenburg and reverse Trendelenburg position).

Study groups in NCT05508711
Study groupRoleWhat they receive
Group 11. st cardiac output measurement (horizontal supine position): Transesophageal echocardiographic cardiac output measurements, data recorded and in the meantime the data of the FloTrac system (© Edwards Lifesciences) monitor recorded also. 2. nd cardiac output measurement (Trendelenburg position): The operating table was then tilted in - 30 ° Trendelenburg (head-down) position. Echocardiographic measurements and FloTrac system (© Edwards Lifesciences) data were recorded. 3. rd cardiac output measurement: The patients were positioned from Trendelenburg to reverse-Trendelenburg, the above-described data were recorded again.
Receives: Device: FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) device
Group 21. st cardiac output measurement (horizontal supine position): Transesophageal echocardiographic cardiac output measurements, data recorded and in the meantime the data of the FloTrac system (© Edwards Lifesciences) monitor recorded also. 2. nd cardiac output measurement (reverse Trendelenburg position): The operating table was then tilted in + 30 ° reverse Trendelenburg (head-up) position. Echocardiographic measurements and FloTrac system (© Edwards Lifesciences) data were recorded. 3. rd cardiac output measurement: The patients were positioned from reverse Trendelenburg to Trendelenburg, the above-described data were recorded again.
Receives: Device: FloTrac/Vigileo system (© Edwards Lifesciences) (Edwards Lifesciences, Irvine, CA) device

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. To verify the FloTrac/Vigileo's ability to estimate cardiac output (L/min) in horizontal supine position.

    To study the fourth generation FloTrac/Vigileo system accuracy to estimate cardiac output (L/min) in horizontal supine position in anesthetized patients undergoing elective major abdominal surgery. The reference method of cardiac output (L/min) measurement used was the transesophageal echocardiography. The two cardiac output measurement techniques were assessed using Bland-Altman method.

    Measured: Baseline

  2. To verify the FloTrac/Vigileo's ability to estimate cardiac output (L/min) in Trendelenburg position.

    To study the fourth generation FloTrac/Vigileo system accuracy to estimate cardiac output (L/min) in Trendelenburg position in anesthetized patients undergoing elective major abdominal surgery. The reference method of cardiac output (L/min) measurement used was the transesophageal echocardiography. The two cardiac output measurement techniques were assessed using Bland-Altman method.

    Measured: Baseline

  3. To verify the FloTrac/Vigileo's ability to estimate cardiac output (L/min) in reverse Trendelenburg position.

    To study the fourth generation FloTrac/Vigileo system accuracy to estimate cardiac output (L/min) in reverse Trendelenburg position in anesthetized patients undergoing elective major abdominal surgery. The reference method of cardiac output (L/min) measurement used was the transesophageal echocardiography. The two cardiac output measurement techniques were assessed using Bland-Altman method.

    Measured: Baseline

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Aug 2022
  2. Study start1 Oct 2021
  3. Primary completion31 Jan 2022
  4. Study completion30 Jun 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Other
Time perspective
Prospective
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05508711
Sponsor's protocol ID
B4062021000220
Status last verified
Aug 2022
First submitted
15 Aug 2022
Last updated
19 Aug 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Vender JS. Clinical utilization of pulmonary artery catheter monitoring. Int Anesthesiol Clin. 1993 Summer;31(3):57-85. doi: 10.1097/00004311-199331030-00006.

    PubMed 8375911
  • Mayer J, Boldt J, Wolf MW, Lang J, Suttner S. Cardiac output derived from arterial pressure waveform analysis in patients undergoing cardiac surgery: validity of a second generation device. Anesth Analg. 2008 Mar;106(3):867-72, table of contents. doi: 10.1213/ane.0b013e318161964d.

    PubMed 18292432
  • McLean AS, Huang SJ, Kot M, Rajamani A, Hoyling L. Comparison of cardiac output measurements in critically ill patients: FloTrac/Vigileo vs transthoracic Doppler echocardiography. Anaesth Intensive Care. 2011 Jul;39(4):590-8. doi: 10.1177/0310057X1103900409.

    PubMed 21823375
  • Suehiro K, Tanaka K, Mikawa M, Uchihara Y, Matsuyama T, Matsuura T, Funao T, Yamada T, Mori T, Nishikawa K. Improved Performance of the Fourth-Generation FloTrac/Vigileo System for Tracking Cardiac Output Changes. J Cardiothorac Vasc Anesth. 2015;29(3):656-62. doi: 10.1053/j.jvca.2014.07.022. Epub 2014 Nov 14.

    PubMed 25440654
  • Maeda T, Hamaguchi E, Kubo N, Shimokawa A, Kanazawa H, Ohnishi Y. The accuracy and trending ability of cardiac index measured by the fourth-generation FloTrac/Vigileo system and the Fick method in cardiac surgery patients. J Clin Monit Comput. 2019 Oct;33(5):767-776. doi: 10.1007/s10877-018-0217-1. Epub 2018 Nov 7.

    PubMed 30406422
  • Pearse RM, Harrison DA, MacDonald N, Gillies MA, Blunt M, Ackland G, Grocott MP, Ahern A, Griggs K, Scott R, Hinds C, Rowan K; OPTIMISE Study Group. Effect of a perioperative, cardiac output-guided hemodynamic therapy algorithm on outcomes following major gastrointestinal surgery: a randomized clinical trial and systematic review. JAMA. 2014 Jun 4;311(21):2181-90. doi: 10.1001/jama.2014.5305.

    PubMed 24842135

Questions about this trial

What is this clinical trial studying?

An observational study of Cardiac Output, run by Université Libre de Bruxelles at 1 site in Belgium.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 19 Aug 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Belgium. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

To verify the FloTrac/Vigileo's ability to estimate cardiac output (L/min) in horizontal supine position. (time frame: Baseline). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05508711, which also lists 6 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Aug 2022.

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