Table 2.

Echocardiographic Data of 90 Patients With DMD

Echocardiographic parameters	Median	IQR
LV end‐diastolic diameter, mm	44	38–49
Interventricular septal end‐diastolic thickness, mm	7	6–7.3
Posterior wall end‐diastolic thickness, mm	7	7–8.7
LV ejection fraction, %	50	40–59.8
Left atrial diameter, mm	19.5	15.5–23
Mitral E/A ratio	1.68	1.4–2.16
DTI septal e′ velocity, cm/s	9	8–12
DTI septal s′ velocity, cm/s	9	6–10
DTI septal a′ velocity, cm/s	9	6–10
DTI RV e′ velocity, cm/s	12	10–15
DTI RV a′ velocity, cm/s	10	9–12
TAPSE, mm	15	13–18
DTI RV s′ velocity, cm/s	12	10–14
Systolic pulmonary arterial pressure, mm Hg	24	20–26.8

DMD indicates Duchenne muscular dystrophy; DTI, tissue Doppler imaging; LV, left ventricular; RV, right ventricular; and TAPSE, tricuspid annular plane systolic displacement.