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Congenital Heart DiseaseNCT04194502

Coronary Artery Assessement by TEE in Congenital Heart Disease

A study testing Transesophageal echocardiogram (TEE) in people with Congenital Heart Disease, run by The Hospital for Sick Children at 1 site in Canada.

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

This study aims to establish normal coronary artery pulse Doppler flow patterns and velocities using transoesophageal echocardiography (TEE) in patients with a variety of congenital heart disease. Read more about this study

Who is it for?
Ages 1 day to 18 years
Conditions the study is for
Congenital Heart Disease
What is being tested?
Transesophageal echocardiogram (TEE)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
118 participants
Where
1 siteCanada
Study dates
19 Apr 2017to 31 Jul 2019
Phase
Interventional
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 1 day to 18 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Who may be able to join

  • All patients undergoing surgical repair of congenital heart lesions at the Hospital for Sick Children between May 2017 and May 2018.

Who cannot join

  • Patients with hypoplastic left heart syndrome undergoing Norwood operation or Hybrid procedure
  • Patients who have undergone heart transplantation.
  • Patients were transoespphageal echocardiography is contraindicated (less than 3kg, recent upper gastrointestinal surgery).
  • Operations where TEE is not routinely indicated (patent ductus arteriosus ligation, aortic coarctation repair via a thoracotomy, vascular ring ligations).
  • Patients whose primary reason for surgery is coronary artery stenosis

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • The Hospital for Sick Children

    Toronto, Ontario, M5G1X8

Other trials in Canada

About this study

Official title: Intraoperative Coronary Artery Flow Patterns in Patients With Congenital Heart Disease and the Relationship to Short Term Surgical Outcomes.

This study aims to establish normal coronary artery pulse Doppler flow patterns and velocities using transoesophageal echocardiography (TEE) in patients with a variety of congenital heart disease. This will be accomplished by performing pre-operative and intra-operative TEEs on up to 250 patients undergoing surgery for congenital heart disease.

Read the detailed description

Little is known about coronary artery flow patterns in children. Invasive and non invasive studies in normal children have demonstrated that coronary artery flow velocities decrease with age and therefore heart rate. 'Normal' flow velocities in the left coronary artery are usually accepted between 0.3-0.6m/sec depending on age of the patient. Less is known about coronary flow patterns and velocities in patients with congenital heart disease. In addition the effects of coronary artery bypass and altered loading conditions may affect coronary flow patterns and velocities and in theory alter short and long term outcomes. This study hopes to is to establish normal coronary artery pulse Doppler flow patterns and velocities using transoesophageal echocardiography (TEE) in patients with a variety of congenital heart disease.

Being tested
Transesophageal echocardiogram (TEE)
Keywords
Transesophageal echocardiography
Medical subject headings
Heart Defects, Congenital

What participants receive

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

  • Transesophageal echocardiogram (TEE)Diagnostic test

    All patients enrolled in the study will undergo a pre-operative research TEE and an intra-operative clinical TEE.

Study groups in NCT04194502
Study groupRoleWhat they receive
Pre-operative and intra-operative TEEOtherAll patients enrolled in the study will undergo a pre-op research TEE and a intra-op clinical transesophageal echo.
Receives: Diagnostic Test: Transesophageal echocardiogram (TEE)

What is being measured

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

  1. Coronary artery pulse doppler flow patterns will be assessed as normal or abnormal in patients with congenital heart disease

    Pulse Doppler flow patterns in the LMCA, LAD, circumflex and RCA will be assessed as normal or abnormal using transoesophageal echocardiography (TEE) in patients with a variety of congenital heart disease

    Measured: 5-7 minutes per TEE

  2. Measure the coronary artery pulse doppler flow velocities (cm/sec) in patients with congenital heart disease

    The coronary artery pulse Doppler diastolic and systolic flow velocities (cm/sec) of the LMCA, LAD, circumflex and RCA will be assessed using TEE in patients with a variety of congenital heart disease.

    Measured: 5-7 minutes per TEE

  3. Correlate pre-operative and post-operative coronary artery flow patterns abnormal and velocities (cm/sec) with negative post-operative clinical outcomes

    Determine if there is a relationship between abnormal coronary artery flow patterns and velocities with negative post-operative clinical outcomes including death, delayed sternal closure, ECMO, ST segment changes, ventricular fibrillation or tachycardia, need for catheterization and stroke.

    Measured: Post-operative events will be collected from the time of discharge from the operating room until the participant is discharged from the hospital (typically between 3-14 days)

Timeline

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

  1. First posted11 Dec 2019
  2. Study start19 Apr 2017
  3. Primary completion18 Jun 2018
  4. Study completion31 Jul 2019

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Model description
The purpose of the study is to establish normal coronary artery pulse Doppler flow patterns and velocities using transoesophageal echocardiography (TEE) in patients with a variety of congenital heart disease
Masking
None (open label)
Enrolment
118 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04194502
Sponsor's protocol ID
1000056046
Status last verified
Dec 2019
First submitted
12 Nov 2019
Last updated
11 Dec 2019
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Transesophageal echocardiogram (TEE) in people with Congenital Heart Disease, run by The Hospital for Sick Children at 1 site in Canada.

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 5 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 11 Dec 2019. 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 Canada. 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?

Coronary artery pulse doppler flow patterns will be assessed as normal or abnormal in patients with congenital heart disease (time frame: 5-7 minutes per TEE). 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?
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 11 Dec 2019.

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