By how much did limb salvage rates increase for up to four years after direct revascularization?

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Multiple Choice

By how much did limb salvage rates increase for up to four years after direct revascularization?

Explanation:
Direct revascularization restores direct arterial inflow to the limb, improving perfusion and tissue oxygenation, which reduces the likelihood of tissue loss and amputation. Over a follow-up period of up to four years, the benefit shown is a roughly 25 percentage point increase in limb salvage rates, indicating a durable improvement. In practical terms, if the baseline salvage rate were around 40%, it would commonly rise to about 65% after this intervention. The other options describe smaller or larger changes that don’t fit the typical long-term magnitude observed.

Direct revascularization restores direct arterial inflow to the limb, improving perfusion and tissue oxygenation, which reduces the likelihood of tissue loss and amputation. Over a follow-up period of up to four years, the benefit shown is a roughly 25 percentage point increase in limb salvage rates, indicating a durable improvement. In practical terms, if the baseline salvage rate were around 40%, it would commonly rise to about 65% after this intervention. The other options describe smaller or larger changes that don’t fit the typical long-term magnitude observed.

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