When Is the Optimal Timing of Surgical Intervention for Severe Functional Tricuspid Regurgitation?

Table 1

Pre- and postoperative laboratory data.

	Preoperative	Postoperative; (9 months after surgery)
Alb, g/dL	3.5	4.3
AST, U/L	8	31
ALT, U/L	23	25
Total bilirubin, mg/dL	0.8	0.8
ChE, U/L	279	Not done
BUN, mg/dL	21	23.5
Creatinine, mg/dL	1.21	1.30
eGFR, mL/min/1.73 m^2	30.7	27.0
PT-INR	2.3	1.89
APTT, sec	42.4	Not done
BNP, pg/mL	129.1	41.0

Alb: albumin; AST: aspartate aminotransferase; ALT: alanine aminotransferase; ChE: cholesterol ester; BUN: blood urea nitrogen; eGFR: estimated glomerular filtration rate; PT-INR: international normalized ratio of prothrombin time; APTT: activated partial thromboplastin time; BNP: brain natriuretic peptide.