There is no mechanism at present for artificial valves to fight infection. Infections may require blood cultures. The infections may be present when the patient is experiencing high white cell count, lethargy, fever. The likely site of the infection is the material used in the valve. The recovery rate should be about the same in the valve sparing procedure.
Pregnancy is high risk once someone has had surgery to replace the aortic root.
During birth and immediately following birth there are rapid fluid losses when the vessels are contracting. Replacement is generally indicated with dilation of five and one half centimeters. However, family history of early dissection would indicate earlier intervention. Few children actually have dissections, indicating that the problem is one of continued stress over time. Another problem related to Marfans is dural ectasia.