Table 2: Open in new tab Comparison of...

	Preoperative	Postoperative
TTE
LVEDD, mm	68.4 ± 14.1	55.1 ± 14.3	0.0027	54.5 ± 14.6	43.2 ± 8.2	0.019	0.98
LVESD, mm	62.6 ± 14.5	49.5 ± 14.2	0.0034	49.2 ± 15.6	38.5 ± 9.4	0.037	0.92
LVEF, %	20.1 ± 10.4	24.1 ± 2.6	0.19	19.3 ± 8.2	24 ± 8.4	0.13	0.6
eLVEDV, ml	256 ± 118	161 ± 87	0.0061	159 ± 97	88 ± 38	0.024	0.7
RHC
SABP, mmHg	88.7 ± 11.3	89.1 ± 18.9	0.93	84.8 ± 10.5	80.1 ± 4.9	0.21	0.69
CI, l/min/m²	2.1 ± 0.6	1.7 ± 0.5	0.03	2.7 ± 0.05	2.4 ± 0.08	0.0084	0.66
PCWP, mmHg	16.8 ± 8.9	15.1 ± 6.6	0.51	5.8 ± 3.4	5 ± 2.6	0.48	0.93
MPAP, mmHg	24.4 ± 11.8	22.8 ± 7.1	0.63	13.7 ± 4.4	13 ± 2.2	0.62	0.76
PVR, Wood units	2.2 ± 1.2	3.3 ± 1.4	0.011	1.7 ± 0.6	2.4 ± 0.7	0.0026	0.56
RAP, mmHg	7.4 ± 6.0	6.7 ± 4.0	0.7	5.3 ± 4.1	5.8 ± 3.8	0.73	0.55
RA/PCWP ratio	0.6 ± 0.7	0.6 ± 0.5	0.92	0.9 ± 0.6	1.2 ± 0.5	0.24	0.29

Preoperative

Postoperative

Regular BSA

Small BSA

P-value

Regular BSA

Small BSA

P-value

Interaction P-value

(n = 46)

(n = 18)

(n = 46)

(n = 18)

TTE

LVEDD, mm

68.4 ± 14.1

55.1 ± 14.3

0.0027

54.5 ± 14.6

43.2 ± 8.2

0.019

0.98

LVESD, mm

62.6 ± 14.5

49.5 ± 14.2

0.0034

49.2 ± 15.6

38.5 ± 9.4

0.037

0.92

LVEF, %

20.1 ± 10.4

24.1 ± 2.6

0.19

19.3 ± 8.2

24 ± 8.4

0.13

0.6

eLVEDV, ml

256 ± 118

161 ± 87

0.0061

159 ± 97

88 ± 38

0.024

0.7

RHC

SABP, mmHg

88.7 ± 11.3

89.1 ± 18.9

0.93

84.8 ± 10.5

80.1 ± 4.9

0.21

0.69

CI, l/min/m²

2.1 ± 0.6

1.7 ± 0.5

0.03

2.7 ± 0.05

2.4 ± 0.08

0.0084

0.66

PCWP, mmHg

16.8 ± 8.9

15.1 ± 6.6

0.51

5.8 ± 3.4

5 ± 2.6

0.48

0.93

MPAP, mmHg

24.4 ± 11.8

22.8 ± 7.1

0.63

13.7 ± 4.4

13 ± 2.2

0.62

0.76

PVR, Wood units

2.2 ± 1.2

3.3 ± 1.4

0.011

1.7 ± 0.6

2.4 ± 0.7

0.0026

0.56

RAP, mmHg

7.4 ± 6.0

6.7 ± 4.0

0.7

5.3 ± 4.1

5.8 ± 3.8

0.73

0.55

RA/PCWP ratio

0.6 ± 0.7

0.6 ± 0.5

0.92

0.9 ± 0.6

1.2 ± 0.5

0.24

0.29

	Preoperative	Postoperative
TTE
LVEDD, mm	68.4 ± 14.1	55.1 ± 14.3	0.0027	54.5 ± 14.6	43.2 ± 8.2	0.019	0.98
LVESD, mm	62.6 ± 14.5	49.5 ± 14.2	0.0034	49.2 ± 15.6	38.5 ± 9.4	0.037	0.92
LVEF, %	20.1 ± 10.4	24.1 ± 2.6	0.19	19.3 ± 8.2	24 ± 8.4	0.13	0.6
eLVEDV, ml	256 ± 118	161 ± 87	0.0061	159 ± 97	88 ± 38	0.024	0.7
RHC
SABP, mmHg	88.7 ± 11.3	89.1 ± 18.9	0.93	84.8 ± 10.5	80.1 ± 4.9	0.21	0.69
CI, l/min/m²	2.1 ± 0.6	1.7 ± 0.5	0.03	2.7 ± 0.05	2.4 ± 0.08	0.0084	0.66
PCWP, mmHg	16.8 ± 8.9	15.1 ± 6.6	0.51	5.8 ± 3.4	5 ± 2.6	0.48	0.93
MPAP, mmHg	24.4 ± 11.8	22.8 ± 7.1	0.63	13.7 ± 4.4	13 ± 2.2	0.62	0.76
PVR, Wood units	2.2 ± 1.2	3.3 ± 1.4	0.011	1.7 ± 0.6	2.4 ± 0.7	0.0026	0.56
RAP, mmHg	7.4 ± 6.0	6.7 ± 4.0	0.7	5.3 ± 4.1	5.8 ± 3.8	0.73	0.55
RA/PCWP ratio	0.6 ± 0.7	0.6 ± 0.5	0.92	0.9 ± 0.6	1.2 ± 0.5	0.24	0.29

Table 2:

Open in new tab

Comparison of preoperative and postoperative variables between the regular BSA and small BSA groups and interaction P-value for each variable

	Preoperative			Postoperative
	Regular BSA	Small BSA	P-value	Regular BSA	Small BSA	P-value	Interaction P-value
	(n = 46)	(n = 18)	P-value	(n = 46)	(n = 18)	P-value	Interaction P-value
TTE
LVEDD, mm	68.4 ± 14.1	55.1 ± 14.3	0.0027	54.5 ± 14.6	43.2 ± 8.2	0.019	0.98
LVESD, mm	62.6 ± 14.5	49.5 ± 14.2	0.0034	49.2 ± 15.6	38.5 ± 9.4	0.037	0.92
LVEF, %	20.1 ± 10.4	24.1 ± 2.6	0.19	19.3 ± 8.2	24 ± 8.4	0.13	0.6
eLVEDV, ml	256 ± 118	161 ± 87	0.0061	159 ± 97	88 ± 38	0.024	0.7
RHC
SABP, mmHg	88.7 ± 11.3	89.1 ± 18.9	0.93	84.8 ± 10.5	80.1 ± 4.9	0.21	0.69
CI, l/min/m²	2.1 ± 0.6	1.7 ± 0.5	0.03	2.7 ± 0.05	2.4 ± 0.08	0.0084	0.66
PCWP, mmHg	16.8 ± 8.9	15.1 ± 6.6	0.51	5.8 ± 3.4	5 ± 2.6	0.48	0.93
MPAP, mmHg	24.4 ± 11.8	22.8 ± 7.1	0.63	13.7 ± 4.4	13 ± 2.2	0.62	0.76
PVR, Wood units	2.2 ± 1.2	3.3 ± 1.4	0.011	1.7 ± 0.6	2.4 ± 0.7	0.0026	0.56
RAP, mmHg	7.4 ± 6.0	6.7 ± 4.0	0.7	5.3 ± 4.1	5.8 ± 3.8	0.73	0.55
RA/PCWP ratio	0.6 ± 0.7	0.6 ± 0.5	0.92	0.9 ± 0.6	1.2 ± 0.5	0.24	0.29

	Preoperative			Postoperative
	Regular BSA	Small BSA	P-value	Regular BSA	Small BSA	P-value	Interaction P-value
	(n = 46)	(n = 18)	P-value	(n = 46)	(n = 18)	P-value	Interaction P-value
TTE
LVEDD, mm	68.4 ± 14.1	55.1 ± 14.3	0.0027	54.5 ± 14.6	43.2 ± 8.2	0.019	0.98
LVESD, mm	62.6 ± 14.5	49.5 ± 14.2	0.0034	49.2 ± 15.6	38.5 ± 9.4	0.037	0.92
LVEF, %	20.1 ± 10.4	24.1 ± 2.6	0.19	19.3 ± 8.2	24 ± 8.4	0.13	0.6
eLVEDV, ml	256 ± 118	161 ± 87	0.0061	159 ± 97	88 ± 38	0.024	0.7
RHC
SABP, mmHg	88.7 ± 11.3	89.1 ± 18.9	0.93	84.8 ± 10.5	80.1 ± 4.9	0.21	0.69
CI, l/min/m²	2.1 ± 0.6	1.7 ± 0.5	0.03	2.7 ± 0.05	2.4 ± 0.08	0.0084	0.66
PCWP, mmHg	16.8 ± 8.9	15.1 ± 6.6	0.51	5.8 ± 3.4	5 ± 2.6	0.48	0.93
MPAP, mmHg	24.4 ± 11.8	22.8 ± 7.1	0.63	13.7 ± 4.4	13 ± 2.2	0.62	0.76
PVR, Wood units	2.2 ± 1.2	3.3 ± 1.4	0.011	1.7 ± 0.6	2.4 ± 0.7	0.0026	0.56
RAP, mmHg	7.4 ± 6.0	6.7 ± 4.0	0.7	5.3 ± 4.1	5.8 ± 3.8	0.73	0.55
RA/PCWP ratio	0.6 ± 0.7	0.6 ± 0.5	0.92	0.9 ± 0.6	1.2 ± 0.5	0.24	0.29

CI: cardiac index; eLVEDV: estimated left ventricular end-diastolic volume; LVEDD: left ventricular end-diastolic diameter; LVEF: left ventricular ejection fraction; LVESD: left ventricular end-systolic diameter; MPAP: mean pulmonary artery pressure; PCWP: pulmonary capillary wedge pressure; PVR: pulmonary vascular resistance; RAP: right atrial pressure; RHC: right heart catheter; SABP: systolic arterial blood pressure; TTE: transthoracic echocardiography.

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