Left-to-Right Shunt with Congenital Heart Disease: Single Center Experience

Table 3

Hemodynamic findings at cardiac catheterization by groups.

Variable	Group I	Group II	Group III	P value
	𝑁=30	𝑁=35	𝑁=177
RAP (mmHg)	5 (2–12)	5 (3–17)	5 (1–13)	0.329
LAP (mmHg)	10 (7–15)^a	9 (5–17)^b	7 (1–17)^a,b	0.005
PAPmean (mmHg)	43 (27–96)^a	33 (25–57)^b	16 (9–26)^a,b	<0.001
PAPsystolic (mmHg)	66 (40–126)^a	52 (30–78)^b	25 (14–63)^a,b	<0.001
PAPdiastolic (mmHg)	23 (4–76)^a	17 (7–37)^b	9 (1–19)^a,b	<0.001
Aortmean  pressure (mmHg)	70.0±13.4	70.7±13.2	77.9±14.3	0.058
Aortsystolic (mmHg)	92.2±15.5	91.5±16.9	98.2±13.5	0.078
Aortdiastolic (mmHg)	52.9±11.4	51.5±10.4	57.4±13.3	0.082
Qp (L/min/m²)	7.5 (1.9–22.1)	8.2 (3.0–29.0)	6.4 (2.4–19.9)	0.124
Qs (L/min/m²)	3.2 (0.9–5.1)^a	3.5 (0.8–7.4)^b	3.9 (2.0–7.4)^a,b	0.007
Qp/Qs	2.4 (1.1–9.2)^a	2.6 (1.3–5.7)^b	1.6 (0.6–6.5)^a,b	<0.001
RpI (WU/m²)	11.0 (3.2–20.0)^a,c	2.6 (1.0–6.6)^b,c	1.1 (0.4–3.0)^a,b	<0.001
Rs (WU/m²)	19.7 (12.0–27.0)	15.5 (12.0–28.2)	20.0 (11.0–27.7)	0.731
RpI/RsI	2.2 (0.2–8.3)^a	2.3 (0.05–9.0)^b	1.2 (0.01–3.8)^a,b	<0.001

Statistically significant differences between ^agroups I and III (𝑃<0.01); ^bII and III (𝑃<0.05); ^cI and II (𝑃<0.01).
LAP: left atrium pressure, PAP: pulmonary arterial pressure, Qp: pulmonary arterial flow, RAP: right atrium pressure, RpI: pulmonary resistance index, RsI: systemic resistance index, Qs: systemic blood flow.