Desflurane Versus Propofol Anesthesia for Off-Pump CABG

May 15, 2008 updated by: Medical University of Gdansk

Comparison of Desflurane and Propofol Anesthesia for Off-Pump Coronary Artery Bypass Grafting Surgery

The purpose of this study is to prove if anesthesia maintained with the inhaled volatile anesthetic desflurane is superior to the intravenously applied propofol anesthesia in off-pump coronary artery bypass grafting (OP-CABG) surgery as measured by following parameters:

  1. hemodynamic parameters during and after the operation,
  2. pulmonary gas exchange, need for mechanical ventilation and for ICU and intrahospital stay,
  3. release of heart muscle injury markers in response to surgery and intraoperative ischaemia,
  4. inflammatory response to the operation.

We suspect that insufflation anesthesia with desflurane may be superior to intravenous anesthesia with propofol.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

General anesthesia will be induced by intravenous dosis of fentanyl, vecuronium and etomidate and further maintained either by inhaled desflurane or propofol infusion, with concomitant empirically administered fentanyl doses and continuous infusion of vecuronium.

After induction of anesthesia a Swan-Ganz catheter for continuous cardiac output, right ventricle end diastolic volume and blood saturation measurements will be introduced through the internal jugular vein. A transesophageal echocardiography probe will be placed additionally for the Tei-index measurement.

Hemodynamic parameters will be recorded at the following time points:

  • before induction
  • after induction
  • during trachea intubation
  • before skin incision
  • 3 Min. after skin incision
  • after sternotomy
  • before heart positioning for graft placing
  • before finishing placing each distal anastomoses
  • 10, 20, 30, 40 min after placing the last anastomoses
  • 10 Min. after admission to ICU, 6, 12, 18 and 24 hours after surgery.
  • TEE measurements will be obtained after sternotomy and 20 Min after placing the last distal anastomoses.

The results will be compared while using the parametric ANOVA test for normally distributed continuous data or the nonparametric Kruskal-Wallis/Wilcoxon-U test for categoric or inhomogeneous distributed continuous data.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
80

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Poland
      • Gdańsk, Poland, 80-211
        • Department of Cadiac Anesthesiology, Medical University of Gdańsk

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years to 71 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients with coronary artery disease qualified for CABG off-pump surgery
  • Elective surgery
  • Signed informed consent

Exclusion Criteria:

  • Left ventricle ejection fraction < 30%
  • Serum creatinine > 2 mg/dL
  • Emergency surgery
  • Denied consent

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: 1
propofol
Drug: Diprivan (propofol), Astra-Zeneca
continuous intravenous infusion with a dose of 3-5 mg/kg/h
Other Names:
  • propofol
Experimental: 2
desflurane
Drug: Suprane (desflurane), Baxter
a vapor concentration of 3-7 vol% is maintained with use of vaporizer and under control of arterial blood pressure, heart rate, and BIS index.
Other Names:
  • desflurane

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Markers of heart muscle injury and inflammation will be compared: troponin I, creatinine phosphokinase and its heart specific fraction, C-reactive protein.
Time Frame: within the first 2. days after surgery.
within the first 2. days after surgery.

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Evidence of clinically definite heart infarct confirmed by ECG and/or echocardiography, and heart muscle specific creatinine phosphokinase increase.
Time Frame: To discharge from hospital (usually within 7 days)
To discharge from hospital (usually within 7 days)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Medical University of Gdansk

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Romuald Lango, M.D., Ph.D., Medical University of Gdańsk, Department of Cardiac Anesthesiology

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 1, 2007

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
March 1, 2008

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
March 1, 2008

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
September 11, 2007

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 11, 2007

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
September 12, 2007

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 16, 2008

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 15, 2008

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2008

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • AMG-NKEBN/364-A/2005

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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