noun
impeded blood flow; circulatory impairment
Medical term for any condition where blood flow is obstructed or reduced, such as in thrombosis or peripheral artery disease.
血流障害が原因で足が冷たくなることがあります。
Impeded blood flow can cause coldness in the legs.
血行障害 is a broader term for poor circulation, while 血流障害 specifically refers to obstruction or reduction of blood flow in vessels.
Compound of 血流 (blood flow) and 障害 (obstruction, impairment).