Table II.

Echocardiographic Parameters of RV Dysfunction

Variable	Feasibility (%)	No BPD (n = 47)	BPD (n = 46)	P-value
Eccentricity index	86	0.99 (0.95 — 1.09)	1.12 (1.02 — 1.24)	0.01
TAPSE (mm)	90	8.66 (6.87 — 10.04)	8.01 (6.46 — 8.58)	0.08
RA Fractional Area Change	90	0.57 (0.50 — 0.69)	0.58 (0.50 — 0.65)	0.98
RV Fractional Area Change	85	0.51 (0.47 — 0.56)	0.52 (0.47 — 0.59)	0.43
RV End-Diastolic Area	85	3.15 (2.68 — 3.50)	2.75 (2.50 — 3.28)	0.12
RV End-Systolic Area	85	1.55 (1.38 — 1.83)	1.5 (1.23 — 1.78)	0.49
RV Systolic to Diastolic Ratio	82	1.52 (1.25 — 1.82)	1.61 (1.35 — 1.78)	0.36
Pulse Wave MPI	81	0.16 (0.03 — 0.22)	0.12 (0.05 — 0.24)	0.67
TDI MPI	69	0.25 (0.19 — 0.36)	0.25 (0.20 — 0.39)	0.51
Total RVFWS (%)	73	−12.74 (−17.00 — −10.47)	−14.27 (−21.27 — −10.81)	0.21
RV GLS (%)	73	−16.38 (−19.12 — −10.53)	−16.47 (−18.69 — −11.72)	0.70
PAAT (milliseconds)	95	60 (50 — 80)	60 (50 — 70)	0.28
PAAT:ET	95	0.32 (0.24 – 0.39)	0.29 (0.24 – 0.37)	0.49
Subjective Septal Flattening	95	5 (10.6%)	9 (19.6%)	0.18

Abbreviations: TAPSE, Tricuspid annular plane systolic excursion; RA, Right atrium; RV, Right ventricle; MPI, Myocardial performance index; TDI, Tissue doppler imaging; RVFWS, Right ventricle free wall strain; GLS, Global longitudinal strain; PAAT; Pulmonary artery acceleration time; ET; Right ventricular ejection time