Figure
5.
Indications
for
Surgery
in
Patients
With
TR
33
a
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)
Symptomatic
severe
TR
(stage
D)
Mild
Moderate
At
time
of
le-
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
le-sided
valve
surgery
Progressive
RV
dysfunction
TV
Repair
or
TVR
(IIb)
Primary
Reoperation
TV
Repair
(IIa)
Functional
•
Preserved
RV
function
•
PHTN
not
severe
At
time
of
le-sided
valve
surgery
TV
Repair
or
TVR
(I)
