36
Specific Conditions
Figure 3. Closure Considerations for Ventricular Sepal Defect
YES
2a
VSD closure
Eisenmenger
physiology
VSD
Progressive moderate
to severe AR
Previous endocarditis
involving the VSD
No other indications
NO
Qp:Qs ≥1.5?
PVR ≤2 WU with
LV dilation
PVR >2 to <5 WU
with LV dilation
1
VSD closure
* See Section 4.4.6, "Eisenmenger Syndrome."
AR indicates aortic regurgitation; LV, left ventricular; PVR, pulmonary vascular resistance; Qp:Qs,
pulmonary-to-systemic blood flow ratio; VSD, ventricular septal defect; and WU, Wood units.
