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Magnetic Resonance Imaging

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Cardiac MRI after Sudden Cardiac Arrest: A Systematic Review.

Bernhard Scharinger¹, Elke Boxhammer¹, Richard Rezar¹

¹From the Department of Radiology (B. Scharinger, S.H., K.H., R.K.), Department of Internal Medicine II, Division of Cardiology (E.B., R.R., T.W., M.L., U.C.H., B. Strohmer), and Center for Public Health and Healthcare Research (B.W.), Paracelsus Medical University, 5110 Oberndorf, 5020 Salzburg, Austria; and Department of Internal Medicine, General Hospital of Oberndorf, Oberndorf, Austria (S.W., B.W.).

Radiology. Cardiothoracic Imaging

|April 18, 2024

Summary

This summary is machine-generated.

Cardiac MRI after sudden cardiac arrest (SCA) aids diagnosis by identifying substrates and edema. It offers valuable prognostic information but faces limitations in study comparators and patient selection bias.

Keywords:

Cardiac MRI Cardiomyopathy Cardiovascular Disease Ischemia Myocardial Edema Sudden Cardiac Arrest

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Area of Science:

Cardiovascular Imaging
Diagnostic Medicine
Prognostic Biomarkers

Background:

Sudden cardiac arrest (SCA) necessitates accurate diagnostic and prognostic tools.
Cardiac magnetic resonance imaging (Cardiac MRI) is increasingly explored for its role post-SCA.

Approach:

Systematic review of studies from January 2012 to January 2023.
Inclusion of 14 studies involving 1367 adult patients.
Adherence to PRISMA guidelines and quality assessment using Newcastle-Ottawa scale.

Key Points:

Cardiac MRI identified new diagnoses, pathological substrates, and myocardial edema in SCA patients.
Functional markers and ventricular dimensions showed some prognostic relevance.
Challenges included lack of comparators, reference standards, and potential patient selection bias.

Conclusions:

Cardiac MRI provides crucial supplementary information for diagnosing and managing patients post-SCA.
Despite limitations, its role in treatment planning is significant.