| |
Total study group (n = 30)
|
Healthy volunteers (n = 10)
|
LBBB (n = 10)
|
HCM (n = 10)
|
|---|
| |
CMR-FT
endo
(%)
|
Tissue tagging (%)
|
CMR-FT
mid
(%)
|
CMR-FT
endo
(%)
|
Tissue tagging (%)
|
CMR-FT
mid
(%)
|
CMR-FT
endo
(%)
|
Tissue tagging (%)
|
CMR-FT
mid
(%)
|
CMR-FT
endo
(%)
|
Tissue tagging (%)
|
CMR-FT
mid
(%)
|
|---|
|
Mean peak SCS
|
-23.8 ± 9.9†
|
-13.4 ± 3.3
|
-16.4 ± 6.1¥$
|
-25.9 ± 3.3#
|
-16.5 ± 1.6
|
-20.0 ± 3.1*^
|
-12.4 ± 5.6
|
-9.9 ± 1.1
|
-9.4 ± 3.6^
|
-33.2 ± 5.0#
|
-13.8 ± 2.5
|
-19.8 ± 3.9#^
|
|
Mean T2P-SCS
|
380 ± 58
|
378 ± 52
|
390 ± 68
|
336 ± 34*
|
354 ± 34
|
330 ± 27*
|
418 ± 66*
|
376 ± 55
|
454 ± 60*
|
388 ± 41
|
405 ± 54
|
384 ± 45
|
- Left bundle branch block patients (LBBB), hypertrophic cardiomyopathy patients (HCM), cardiovascular magnetic resonance myocardial feature-tracking with endocardial contours (CMR-FTendo), cardiovascular magnetic resonance myocardial feature-tracking with mid-wall contours (CMR-FTmid), systolic circumferential strain (SCS), time to peak systolic circumferential strain (T2P-SCS).
- *p < 0.05 compared with tissue tagging; #p < 0.01 compared with tissue tagging; ^p < 0.01 compared with CMR-FTendo; †p < 0.001 compared with tissue tagging; ¥p < 0.001 compared with CMR-FTendo; $p = 0.001 compared with tissue tagging.
