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Table 1 Comparison of the cardiac MRI features in patients with AL and TTR amyloidosis.

From: Patterns of late gadolinium enhancement in 94 patients with AL or transthyretin cardiac amyloidosis

 

AL (n=39)

ATTR (n=55)

P value

Age (years)

64.3 ± 9.6

74.1 ± 8.6

<0.01

Survival (months)

18

48

<0.01

NT pro-BNP (pMol/L)

644 (84-7323)

497 (43-2791)

0.177

Interventricular septum (mm)

14.2 ± 2.1

16.9 ± 2.2

<0.01

Late gadolinium enhancement (LGE)

36 (92.3%)

55 (100%)

0.07

RV LGE

26 (66.7%)

55 (100%)

<0.01

Circumferential subendocardial LGE

8 (20.5%)

2 (3.6%)

0.01

Circumferential transmural LGE

0 (0%)

6 (10.9%)

<0.01

Base-apex gradient

14 (35.9%)

35 (63.6%)

0.01

Any segment transmural LGE

12 (30.8%)

52 (94.5%)

<0.01