- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02173470
Chest CT With Iterative Reconstruction as an Alternative to Conventional Chest X-ray Prior to Heart Surgery (CRICKET)
Ultra Low-dose Chest CT With Iterative Reconstructions as an Alternative to Conventional Chest X-ray Prior to Heart Surgery
Study Overview
Status
Intervention / Treatment
Detailed Description
During heart surgery the aorta is clamped to initiate cardiopulmonary bypass. This may crush aortic calcifications causing them to embolize to the brain causing a stroke which is a devastating complication for the patient. A chest X-ray is routinely performed prior to heart surgery. It provides no information about aortic calcification. Imaging by a chest computed tomography (CT) scan provides detailed information on aortic calcification but has higher radiation exposure and thus is not used routinely. Recently iterative reconstruction (IR) techniques have become available that allow chest CT to be performed at markedly reduced dose with retained image quality. Routine use of low dose chest CT with IR prior to heart surgery may identify patients with a severely calcified aorta in which the surgery may subsequently adapted to minimize or avoid aortic manipulation which may reduce stroke rate.
In this multicenter randomized controlled clinical trial the effect of preoperative chest CT on postoperative stroke is investigated. In total 1724 patients will be included of whom 862 patients will receive an additional CT to standard care and 862 patients will receive routine care.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Budapest, Hungary
- Heart and Vascular Center Semmelweis University
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Rotterdam, Netherlands
- Erasmus Medical Center
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Utrecht, Netherlands, 3508GA
- University Medical Center Utrecht
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 18 years old or older
- Scheduled to undergo heart surgery
- Provide written informed consent
Exclusion Criteria:
- Patient not meeting inclusion criteria
- Pregnant women
- Scheduled to undergo transcatheter aortic valve insertion procedure (since these patients receive a standard preoperative CT)
- Chest or cardiac CT in the past three months
- Emergency surgery
- Concomitant or previous participation in a study that prohibits the patient from participating in a study that exposed the patient to radiation
- Unwillingness to be informed about unrequested findings on the CT scan
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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No Intervention: Control
Routine clinical care (which includes a conventional chest X-ray).
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Experimental: CT scan
Routine clinical care, which includes a chest x-ray, with an additional ultra low-dose non contrast enhanced chest CT with IR (performed preoperatively).
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The intervention group receives both standard care (chest x-ray) and an ultra low dose CT thorax without contrast.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Postoperative stroke
Time Frame: Participants will be followed for the duration of hospital stay, an expected average of 5 days
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Percentage of patients suffering from in-hospital postoperative stroke (central neurological defect that either recovers spontaneously or is permanent) after heart surgery.
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Participants will be followed for the duration of hospital stay, an expected average of 5 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Altered surgical approach
Time Frame: The surgery will take place the day after hospital administration.
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Percentage of patients in which the surgical approach is altered based on information derived from the preoperative chest CT.
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The surgery will take place the day after hospital administration.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Ricardo PJ Budde, MD, PhD, Erasmus MC Rotterdam
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- NL47293.041.13
- 837001403 (Other Grant/Funding Number: ZonMw)
Plan for Individual participant data (IPD)
Study Data/Documents
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Study Protocol
Information comments: Ultra low-dose chest ct with iterative reconstructions as an alternative to conventional chest x-ray prior to heart surgery (CRICKET study): Rationale and design of a multicenter randomized trial.
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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