Long-term results of radical pericardiectomy for constrictive pericarditis in Korean population

Table 3 Operative Results

Variables	Conventional group	Radical group	P value
CPB, n (%)	26 (70.3%)	49 (92.5%)	.005^a
CPB time, minutes	129.5 (90.0, 178.0)	119.0 (85.0, 177.0)	.644^b
ACC, n (%)	4 (10.8%)	11 (20.8%)	.213^a
ACC time, minutes	79 ± 14.8	68 ± 23.7	.407^b
Concomitant operations	4 (10.8%)	16 (30.2%)	.025^a
Postoperative CVP, mmHg	11.7 ± 5.3	10.8 ± 3.3	.381^b
ICU stay, days	3.0 (2.0, 5.0)	2.0 (1.0, 3.0)	.086^c
Hospital stay, days	26.5 (18.0, 49.0)	18.5 (11.0, 21.0)	.001^c
The amount of postoperative transfusion
Red blood cell (unit)	2 (0, 3.5)	2 (0, 4)	.824^c
Fresh frozen plasma (unit)	0 (0, 3)	0 (0, 2)	.678 ^c
Platelet concentrate (unit)	0 (0, 8)	0 (0, 2.5)	.309 ^c
Cryoprecipitate (unit)	0 (0, 0)	0 (0, 0)	.840 ^c
The amount of chest tube drainage (ml)	2040 (1100, 3815)	2400 (1490, 5597)	.367 ^c
Numbers of early complications, n (%)	14 (37.8%)	12 (22.6%)	.118^a
Pericardial or pleural effusion	2 (5.4%)	2 (3.8%)	1.000^d
Transient arrhythmia	1 (2.7%)	4 (7.5%)	.645^d
Wound dehiscence	1 (2.7%)	2 (3.8%)	1.000^d
Postoperative bleeding	1 (2.7%)	1 (1.9%)	1.000^d
Pneumothorax	1 (2.7%)	2 (3.8%)	1.000^d
Pneumonia	0 (%)	2 (3.8%)	.510^d
Acute kidney injury	2 (3.8%)	0 (%)	.166^d
Phrenic nerve palsy	1 (2.7%)	0 (%)	.411^d
Mediastinitis	1 (2.7%)	0 (%)	.411^d
Cerebrovascular accident	1 (2.7%)	0 (%)	.411^d
Hepatic encephalopathy	1 (2.7%)	0 (%)	.411^d
Low cardiac output syndrome, n (%)	6 (16.2%)	3 (5.7%)	.153^d

^aChi-squared test, ^bTwo-sample t-test, ^cMann-Whitney test, ^dFisher’s exact test
ACC aortic cross-clamp, CPB cardiopulmonary bypass, CVP central venous pressure, ICU intensive care unit

ISSN: 1749-8090