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Table 2 Changes 1 year after TAVR

From: Functional and structural reverse myocardial remodeling following transcatheter aortic valve replacement: a prospective cardiovascular magnetic resonance study

Parameter

Pre-TAVR

1 year Post-TAVR

p-value

NYHA class, n (%)

  

 < 0.001

 I

4 (10.0)

10 (25.0)

 

 II

10 (25.0)

23 (57.5)

 

 III

26 (65.0)

6 (15.0)

 

 IV

/

1 (2.5)

 

NT-proBNP, ng/L

1452 (590–3249)

568 (239–1002)

0.001

CITP:MMP1 ratio

2.1 (1.7)

/

 

6-minute walk test, meters

249.6 (95.9)

317.0 (98.6)

0.001

MLHFQ, points

29.9 (16.1)

20.1 (18.2)

 < 0.001

Functional parameters

   

 LVEF, %

58.7 (45.2–71.4)

67.1 (56.3–77.5)

0.002

 LVEDVI, ml/m2

82.9 (65.5–101.8)

71.3 (64.9–84.7)

0.018

 LVESVI, ml/m2

33.8 (18.1–52.2)

22.2 (14.8–32.5)

0.002

 LV mass index, g/m2

94.9 (22.1)

77.1 (17.9)

< 0.001

 GLS, %

− 21.4 (8.0)

− 25.0 (6.4)

< 0.001

 GCS, %

− 36.9 (14.3)

− 42.6 (11.8)

0.001

 LA Es, %

13.3 (6.3)

17.8 (6.7)

0.001

 LA Ee, %

5.5 (3.2)

8.4 (4.6)

0.001

 LA Ea, %

8.2 (4.6)

9.9 (4.2)

0.027

Tissue characterization

   

 T1 myocardium native, ms

1310.6 (60.2)

1288.4 (55.6)

0.11

 ECV, %

27.1 (2.9)

29.3 (3.3)

0.005

 tLV myocardial volume indexed, ml/m2

90.3 (21.0)

73.5 (17.0)

< 0.001

 Non-invasive LGE, % tLV myocardial volume

12.0 (6.1)

10.6 (7.1)

0.18

 Non-invasive LGE volume indexed, ml/m2

7.6 (5.6–13.4)

7.1 (4.9–8.9)

0.007

 Ischemic LGE, % tLV myocardial volume

2.5 (6.5)

2.9 (6.6)

0.17

 Ischemic LGE volume indexed, ml/m2

2.4 (6.0)

2.7 (6.0)

0.17

 Total LGE, ml/m2

9.2 (5.6–14.0)

7.7 (6.0–13.1)

0.018

 LV myocardial volume LGE- indexed, ml/m2

75.8 (18.5)

63.3 (16.4)

< 0.001

 LV Cellular volume indexed, ml/m2

55.2 (13.2)

45.3 (11.1)

< 0.001

 LV Matrix volume indexed, ml/m2

20.7 (6.1)

18.8 (5.3)

0.036

  1. Changes of dependent parameters pre- and post-TAVR (± standard deviation or interquartile range) were compared using Wilcoxon signed rank test. P-values in bold indicate statistical significance. CITP:MMP1 ratio: ratio of serum carboxy-terminal telopeptide of collagen type I to serum matrix metalloproteinase-1; ECV: extracellular volume fraction; GCS: global circumferential strain; GLS: global longitudinal strain; LA Es: left atrial reservoir strain; LA Ee: left atrial conduit strain; LA Ea: left atrial boosterpump strain; LV: left ventricular; LGE: late-gadolinium-enhancement; LVEDVI: left ventricular end-diastolic volume index; LVESVI: left ventricular end-systolic volume index; LV myocardial volume LGE-: left ventricular myocardial volume without LGE; tLV myocardial volume: total left ventricular myocardial volume; MLHFQ: Minnesota Living with Heart Failure Quality of Life® score; NYHA: New York Heart Association; 3SD: 3-standard deviations