Peripheral artery disease(PAD) and higher plantar pressure are risk factors of diabetic foot ulcer.
下肢动脉病变（PAD）是糖尿病足溃疡的重要发生因素；
2
Erosion of the ulcer into the artery will lead to another major complication of ulcers — hemorrhage. This hemorrhage can be life threatening. Chronic blood loss may lead to an iron deficiency anemia.
溃疡破坏动脉将导致另一个主要的并发症-出血，出血可威胁生命，而慢性失血将导致缺铁性贫血。
3
According to the position ofulcer lesion, DSA was used to guide super-selective catheterization gelatin sponge embolize of relevant parts of the bleeding artery.