International Journal of Clinical Practice

Research Article

Early Diagnosis of Abnormal Left Ventricular Systolic Functions of Rare Pathogenic Titin Mutation Gene Carriers in FHCM by Three-Dimensional Speckle Tracking Echocardiography Combined with Gene Detection

Table 4

Comparison of three-dimensional strain indexes of 16 segments between the two groups ( ± s).


Groups	RLS (%)		RCS (%)		RRS (%)
Groups	Noncarrier group (n = 12)	Carrier group (n = 4)	Noncarrier group (n = 12)	Carrier group (n = 4)	Noncarrier group (n = 12)	Carrier group (n = 4)

Apex segment
Antetheca	−15.62 ± 3.13	−10.35 ± 2.16	−21.46 ± 2.28	−23.96 ± 5.17	56.12 ± 10.58	59.92 ± 18.44
Side wall	−17.99 ± 0.97	−16.10 ± 1.16	−20.51 ± 3.71	−15.62 ± 6.41	63.21 ± 9.12	45.37 ± 17.12
Inferior wall	−20.23 ± 5.14	−18.65 ± 1.44	−25.94 ± 3.65	−30.55 ± 4.39	102.99 ± 29.06	99.14 ± 20.13
Interventricular septum	−19.67 ± 3.76	−13.67 ± 1.43	−12.21 ± 5.35	−15.57 ± 6.27	93.25 ± 28.10	88.85 ± 20.96

Mid-segment
Anteroseptum	−18.72 ± 0.59	−18.14 ± 2.96	−16.52 ± 3.93	−15.97 ± 5.49	58.15 ± 13.21	45.91 ± 12.05
Antetheca	−21.71 ± 2.16	−20.33 ± 1.88	−24.82 ± 3.14	−25.54 ± 6.65	80.53 ± 9.22	74.16 ± 2.43
Side wall	−20.63 ± 1.75	−18.87 ± 1.21	−23.39 ± 2.10	−21.48 ± 2.66	75.59 ± 7.16	69.88 ± 13.10
Posterior wall	−18.04 ± 0.81	−9.71 ± 1.32	−27.36 ± 1.84	−26.17 ± 7.32	82.95 ± 10.42	55.61 ± 9.33
Inferior wall	−21.58 ± 1.03	−17.61 ± 1.12	−28.93 ± 4.62	−25−15 ± 3.61	96.18 ± 15.24	81.16 ± 14.77
Posterior-septal	−18.54 ± 2.69	−13.09 ± 0.28	−20.31 ± 4.62	−21.75 ± 4.49	80.26 ± 11.65	79.22 ± 10.37

Basal segment
Anteroseptum	−25.67 ± 4.14	−12.62 ± 3.12	−21.48 ± 4.03	−19.96 ± 3.15	92.13 ± 18.43	79.91 ± 11.42
Antetheca	−26.48 ± 1.71	−22.23 ± 3.16	−22.34 ± 3.52	−20.77 ± 3.40	103.87 ± 31.80	90.55 ± 10.74
Side wall	−21.01 ± 2.11	−19.06 ± 2.13	−20.89 ± 2.06	−19.02 ± 4.81	82.92 ± 8.11	79.49 ± 10.69
Posterior wall	−20.55 ± 1.26	−21.51 ± 2.92	−20.49 ± 2.18	−21.63 ± 0.87	65.25 ± 20.16	70.51 ± 10.77
Inferior wall	−22.62 ± 4.84	−23.31 ± 1.83	−17.91 ± 3.13	−19.20 ± 3.55	96.01 ± 22.00	89.14 ± 12.59
Posterior-septal	−20.58 ± 3.13	−18.58 ± 2.04	−16.37 ± 4.03	−15.92 ± 5.86	70.49 ± 10.40	68.14 ± 20.99

Compared with the noncarrier group, < 0.05. RLS: regional longitudinal strain, RCS: regional circumference strain, and RRS: regional radial strain. The bold values are indexes, < 0.05.