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Table 5 Summary of serial echocardiographic changes of each group (preoperative (Preop), postoperative (Postop) and the last (Last) echocardiographs). Plast mean P value after comparisons between the last variables of each group

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

Echocardiographic variables Conventional group Radical group Plast
Preop Postop Last P Preop Postop Last P
LVEDD, mm 40 (37.3, 47.5) 44.2 ± 6.8 45.1 ± 4.9 .008a 43.5 ± 6.5 45.1 ± 5.8 48 (42.5,53) .01a .06b
TR 0 33 (89.2%) 13 (59.1%) 19 (59.4%) .01c 52 (98.1%) 35 (79.5%) 44 (88.0%) .03c .004c
1 4 (10.8%) 8 (36.4%) 12 (37.5%)   1 (1.9%) 6 (13.6%) 5 (10.0%)
2 0 (0%) 1 (4.5%) 1 (3.1%)   0 (0%) 3 (6.8%) 1 (2.0%)
RVSP, mmHg 33.7 ± 9.5 30.6 ± 8.8 31 (26.9,37.3) .75a 35.2 ± 8.1 31 (27,40) 26 (23,35.3) .001a .01b
Pericardial thickening 29 (80.6%) 13 (81.3%) 16 (76.2%) .93c 49 (96.1%) 17 (73.9%) 17 (47.2%) <.001d .03d
  1. LVEDD left ventricular end-diastolic diameter, RVSP right ventricular systolic pressure, TR tricuspid regurgitation, aKruskal-Wallis test, bMann-Whitney test, cFisher’s exact test, dChi-squared test