Prognostic Value of Gadolinium Kinetics in Cardiac Amyloidosis
Author Information
Author(s): Alicia Maceira, Sanjay K Prasad, Philip N Hawkins, Michael Roughton, Dudley J Pennell
Primary Institution: National Amyloidosis Centre, Royal Free Hospital, London, UK
Hypothesis
Can late gadolinium enhancement (LGE) and gadolinium kinetics provide prognostic value in cardiac amyloidosis?
Conclusion
CMR provides unique prognostic information in cardiac amyloidosis based on gadolinium kinetics, reflecting the severity of cardiac amyloid burden.
Supporting Evidence
- 58% of patients died during the follow-up period.
- Gadolinium kinetics predicted mortality with 85% accuracy.
- The presence of myocardial LGE was not a significant predictor of mortality.
Takeaway
This study shows that special imaging can help doctors understand how serious heart problems are in patients with a rare disease called amyloidosis.
Methodology
A prospective longitudinal study following 29 patients with cardiac amyloidosis, assessing various cardiac imaging and biochemical parameters.
Limitations
The sample size was small, and the study did not routinely include endocardial biopsy.
Participant Demographics
Patients included 25 with AL amyloidosis and 4 with TTR amyloidosis, with a median age of 58 years.
Statistical Information
P-Value
P = 0.049
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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