Application effect of thoracoscopic tricuspid valvuloplasty in geriatric patients with tricuspid valve disease

Table 3 Comparison of myocardial injury related indices between the two groups before and after the operation (mean ± SD)

Groups	Cases	cTnT (ng/mL)	CK-MB (mg/mL)	CK (U/L)	LDH (U/L)
Before the operation
Study group	41	0.04 ± 0.02	4.02 ± 1.11	91.35 ± 10.44	179.81 ± 60.04
Control group	41	0.05 ± 0.03	3.97 ± 1.05	89.69 ± 13.05	186.35 ± 56.96
t value		1.776	0.210	0.637	0.506
P value		0.080	0.835	0.526	0.614
After the operation
Study group	41	0.89 ± 0.32	26.96 ± 4.95	608.32 ± 202.33	282.56 ± 101.34
Control group	41	2.61 ± 0.69	34.37 ± 6.87	689.94 ± 214.64	369.15 ± 114.46
t value		14.480	5.603	1.772	3.627
P value		0.000	0.000	0.080	0.001

cTnT: Myocardial troponin T; CK-MB: Creatine kinase isoenzyme; CK: Creatine kinase; LDH: Lactate dehydrogenase.