Head-to-pelvis Computed Tomography Evaluation of Sudden Death Survivors

Status Completed

Clinical Trial Summary

Out-of-hospital arrest can occur from multiple etiologies. In patients without an obvious reason for the sudden-death event, diagnostic evaluation is not clear. This study is to determine if early imaging with a head-to-pelvis CT scan may improve diagnostic accuracy, speed of diagnosis and potentially clinical outcomes.

Clinical Trial Description

Best practices for survivors of out-of-hospital sudden death are underdeveloped and untested. Early diagnosis in sudden death survivors is challenging due to patient intubation and obtundation, limited history, and imprecise standard of care testing. Sudden death without an obvious cause (termed "idiopathic sudden death") is primarily caused by cardiovascular disease although a large number of cases result from non-cardiac disease. Improvements in computed tomography (CT) technologies provides a means to identify up to 86% of idiopathic causes of sudden death, including cardiovascular and coronary artery disease, cerebral disease, pulmonary embolism and abdominal catastrophe4 as well as secondary injury from cardiopulmonary resuscitation. To date, use of early CT scans on consecutive sudden death survivors has not been reported. The innovation of this pilot trial is to be first to test whether a comprehensive head-to-pelvis, ECG-gated contrast CT scan (CT-First) can identify the majority of causes for idiopathic sudden death. The significance of CT-First approach is potentially reducing diagnostic errors, treatment delays and inappropriate treatments to potentially improve clinical outcomes in this very high risk population. The expertise of the medical centers involved, combined with the highly respected Medic One service, provide an unusual opportunity to test this diagnostic paradigm with cutting edge CT technologies. The data generated from this study will be used to plan larger randomized trials of early contrast CT scanning versus invasive coronary angiography in sudden death survivors and may be extrapolated to other patient populations such as possible acute coronary syndrome or after trauma. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03111043
Study type	Observational
Source	University of Washington
Contact
Status	Completed
Phase
Start date	December 1, 2015
Completion date	July 1, 2021

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.