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Human In Vivo Cardiac Magnetic Resonance Imaging at 7 T: Feasibility, Applications, and Current Limitations-A
Arosh S Perera Molligoda Arachchige1, Gabriel Amorim Moreira Alves2, Ayça Zal3
1Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy.
Diagnostics (Basel, Switzerland)
|March 28, 2026
Summary
Seven Tesla (7T) cardiac magnetic resonance (CMR) imaging is feasible in humans, offering high-quality images and benefits for structural and metabolic applications. Further research is needed to define its clinical role.
Area of Science:
- Cardiovascular Imaging
- Magnetic Resonance Imaging
- Ultra-High-Field Imaging
Background:
- 7T CMR offers superior signal-to-noise ratio, enabling higher resolution and improved contrast over 1.5T/3T systems.
- Clinical translation of 7T CMR is hindered by technical challenges inherent to ultra-high-field MRI.
- This review synthesizes human in vivo evidence for 7T cardiovascular MRI.
Purpose of the Study:
- To systematically review the feasibility of 7T cardiovascular MRI in humans.
- To explore the diverse applications and methodological limitations of 7T CMR.
- To assess the current evidence for 7T CMR's clinical potential.
Main Methods:
- PRISMA-guided systematic literature search (PubMed, Cochrane, Web of Science, Scopus) up to January 2025.
- Inclusion of studies reporting human in vivo cardiovascular MRI at 7 Tesla.
- Qualitative synthesis of data on study design, applications, feasibility, findings, and limitations.
Main Results:
- Sixty-five studies included, mostly small cohorts of healthy volunteers.
- 7T CMR demonstrated feasibility across applications like angiography, cine, tissue characterization, and multinuclear imaging.
- High-resolution structural and metabolic imaging showed incremental benefits; functional/flow assessments had limited advantages.
Conclusions:
- 7T cardiovascular MRI is a feasible research platform with selective advantages over lower field strengths.
- Technical advancements in RF technology and protocol standardization are crucial.
- Larger, disease-specific studies are needed to establish the clinical utility of 7T CMR.
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