36
Tricuspid Regurgitation
Figure 6. Indications for Surgery in Patients With TR
a
Tricuspid annular (TA) dilation is defined by >40 mm on TTE (>21 mm/m
2
) or
>70 mm on direct intraoperative measurement.
TR
Progressive
functional TR
(stage B)
Asymptomatic
severe TR
(stage C)
Mild Moderate
At time of left-
sided valve surgery
TA dilation
a
PHTN
without TA
dilation
TV Repair
(IIa)
TV Repair or
TVR
(I)
TV Repair
(IIb)
Functional Primary
At time of
left-sided valve
surgery
Progressive
RV
dysfunction
TV Repair or TVR
(IIb)
