What was the residual stenosis after OAS+PTA in the 2005 trial?

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Multiple Choice

What was the residual stenosis after OAS+PTA in the 2005 trial?

Explanation:
Residual stenosis shows how much narrowing remains right after angioplasty, so it’s a direct measure of immediate procedural success. In the 2005 trial using OAS plus PTA, the remaining narrowing was very small, indicating excellent luminal gain and minimal recoil or residual constriction. That level of remaining stenosis points to a high likelihood of good short-term patency and fewer needs for immediate reintervention, which is why it fits best. Larger amounts of residual stenosis would signal less complete treatment and a higher risk of ongoing flow limitation or restenosis, making those options less favorable.

Residual stenosis shows how much narrowing remains right after angioplasty, so it’s a direct measure of immediate procedural success. In the 2005 trial using OAS plus PTA, the remaining narrowing was very small, indicating excellent luminal gain and minimal recoil or residual constriction. That level of remaining stenosis points to a high likelihood of good short-term patency and fewer needs for immediate reintervention, which is why it fits best. Larger amounts of residual stenosis would signal less complete treatment and a higher risk of ongoing flow limitation or restenosis, making those options less favorable.

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