问:每逢阴雨季节或寒冷天气来临时,我的旧伤就会疼痛,这是为什么呢?老白答:人受伤后,总会伴随血管的损伤,人体会在被损坏的血管周围生出新血管,待表皮伤口完全治愈时,侧支循环通路也已建立。这时,因氧气供给充足而不会产生任何疼痛。问题在于重新形成的侧支循环通路的血液供给 Q: Whenever a rainy season or cold weather is coming, my old injury will be painful. Why is this? Old white A: After an injury, a person will always have a new blood vessel injury, and the human body will give birth to new blood around the damaged blood vessel Blood vessels, to be completely cured wounds, collateral circulation pathway has also been established. At this time, due to adequate oxygen supply without any pain. The problem is the blood supply to the regenerated collateral circulation