Table 3 Comparison of papillary muscle related parameters
DCM MR (+), N = 22 | DCM MR (-), N = 18 | Controls, N = 20 | * P-value DCM MR (+) vs DCM MR (-) | * P-value DCM MR (+) vs Controls | * P-value DCM MR (-) vs Controls | |
|---|---|---|---|---|---|---|
Maximum anterior PAP diameter, mm | 11.6 ± 3.3 | 10.2 ± 1.5 | 7.9 ± 1.3 | 0.14 | <0.05 | <0.05 |
Minimum anterior PAP diameter, mm | 7.9 ± 1.9 | 7.6 ± 1.4 | 6.8 ± 0.5 | 0.73 | <0.05 | 0.19 |
Maximum posterior PAP diameter, mm | 10.6 ± 3.1 | 9.3 ± 1.5 | 7.0 ± 0.6 | 0.14 | <0.05 | <0.05 |
Minimum posterior PAP diameter, mm | 6.9 ± 1.7 | 7.1 ± 0.9 | 5.0 ± 0.5 | 0.79 | <0.05 | <0.05 |
Maximum anterior PAP length, mm | 44.7 ± 7.6 | 42.3 ± 6.3 | 34.5 ± 2.8 | 0.42 | <0.05 | <0.05 |
Minimum anterior PAP length, mm | 37.6 ± 6.8 | 31.6 ± 5.4 | 23.5 ± 2.9 | <0.05 | <0.05 | <0.05 |
Maximum posterior PAP length, mm | 40.9 ± 8.4 | 37.8 ± 5.8 | 32.9 ± 3.1 | 0.28 | <0.05 | <0.05 |
Minimum posterior PAP length, mm | 33.7 ± 7.3 | 27.9 ± 3.5 | 22.6 ± 3.1 | <0.05 | <0.05 | <0.05 |
Anterior PAP shortening, % | 15.8 ± 4.4 | 25.5 ± 4.1 | 32.0 ± 4.8 | <0.05 | <0.05 | <0.05 |
Posterior PAP shortening, % | 17.7 ± 5.8 | 26.0 ± 3.4 | 31.5 ± 4.9 | <0.05 | <0.05 | <0.05 |
Mitral annulus (4chamber), mm | 37.8 ± 6.6 | 32.5 ± 3.8 | 28.7 ± 1.1 | <0.05 | <0.05 | <0.05 |
Mitral annulus (2chamber), mm | 38.5 ± 4.5 | 34.2 ± 5.1 | 31.6 ± 2.0 | <0.05 | <0.05 | <0.05 |
Tenting height, mm | 10.3 ± 1.1 | 6.1 ± 1.7 | 2.7 ± 1.3 | <0.05 | <0.05 | <0.05 |
Anterior mitral leaflet length, mm | 23.6 ± 3.5 | 19.9 ± 2.3 | 21.7 ± 1.6 | <0.05 | 0.06 | 0.11 |
Posterior mitral leaflet length, mm | 13.9 ± 4.0 | 12.6 ± 1.9 | 10.4 ± 1.4 | 0.27 | <0.05 | <0.05 |