Frequency and variability of late gadolinium 'mid-wall' enhancement (MLE) depending on observer experience, image quality and underlying disease
2011

Understanding Mid-Wall Late Enhancement in Cardiac MRI

Sample size: 97 publication Evidence: moderate

Author Information

Author(s): Lücke Christian, Karthe Daniel, Matthias Grothoff, Hoffmann Janine, Lehmkuhl Lukas, Andres Claudia, Thiele Holger, Gutberlet Matthias

Primary Institution: Heart Center Leipzig, Leipzig, Germany

Hypothesis

Can inexperienced observers reliably assess mid-wall late enhancement (MLE) in cardiac MRI?

Conclusion

MLE is frequently found in various cardiac diseases, not just dilated cardiomyopathy and myocarditis, highlighting the need for standardized detection criteria.

Supporting Evidence

  • The inexperienced observer identified MLE in 43 out of 97 patients, but 28 of those were false positives.
  • Only 19% of the cases identified as MLE by the inexperienced observer were true positives.
  • Common reasons for false positives included wrong inversion times and partial volume effects.

Takeaway

Doctors looked at heart scans to see if new doctors could spot a specific heart issue called MLE, and they found that many times they got it wrong.

Methodology

The study examined 97 patients using various cardiac MRI techniques and compared results from inexperienced and experienced observers.

Potential Biases

Potential bias due to the reliance on inexperienced observers for interpreting MRI results.

Limitations

The study primarily focused on the ability of inexperienced observers, which may not reflect the performance of experienced clinicians.

Participant Demographics

64 male and 33 female participants with a mean age of 51 years.

Digital Object Identifier (DOI)

10.1186/1532-429X-13-S1-P286

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