断指再植术后发生血管危象的表现有哪些 郭秀生 山西省人民医院 скачать в хорошем качестве

断指再植术后发生血管危象的表现有哪些 郭秀生 山西省人民医院

断指再植术后发生血管危象的表现有哪些 郭秀生 山西省人民医院 断指再植术后发生血管危象的表现有动脉痉挛、动脉血栓、断指再植肢体颜色改变等。断指再植术后发生血管危象,主要出现在,术后二十四小时左右,因为二十四小时的时候,血小板要在吻合口聚集,修复损伤,所以二十四小时之内,血管危象的发生率,就比较高,血管危象分动脉危象,和静脉危象,动脉危象就是,动脉出现了痉挛,或者是血栓,引起远端血供不足,它的表现就是皮瓣,或者断指再植以后的肢体,从这个颜色的红润,出现了苍白,从饱满变成干瘪,说明它这个,动脉的回流不好,静脉危象,是静脉回流不好引起来的,可能就是说手术当中,静脉的吻合数量不够,或者是术后肢体肿胀,压迫静脉血管引起回流不畅,或者是手术以后包扎过紧,血痂形成,都可以引起静脉回流不畅,它的表现就是,由原来的红润变成青紫,或者干脆就是发黑,毛细血管反应很快,指端增刺,出的都是暗红色的血,这个要及时的处理,不管动脉危象,或者是静脉危象,都要及时的处理,比如说通过及时的更换敷料,解除压迫,或者是吻合口血管周围,拆上几针以减压,或者是指端放血,通过这些办法,假如没有明显的改善,就可以进行手术探查,重新吻合血管。 What are the manifestations of vascular crisis after replantation of severed fingers The manifestations of vascular crisis after replantation of severed fingers include arterial spasm, arterial thrombus, color change of limbs after replantation of severed fingers, etc. Vascular crisis occurred after replantation of severed fingers, Mainly in, About 24 hours after operation, For in twenty-four hours, Platelets should aggregate at the anastomotic site, Repair damage, So within 24 hours, The incidence of vascular crisis, It's quite high, Vascular crisis is divided into arterial crisis, And vein crisis, Arterial crisis is, There was a spasm in the artery, Or a blood clot, It causes a lack of blood supply at the far end, It's a flap, Or after replantation of severed fingers, From the ruddy color, There was a pallor, From fullness to dryness, Explain this, The return of artery is not good, Venous crisis, It's not easy to lead the vein back, Maybe during the operation, The number of vein anastomoses is not enough, Or postoperative limb swelling, Compression of venous vessels causes poor return, Or the bandage is too tight after the operation, Blood scab formation, Can cause venous reflux, Its performance is, From ruddy to purple, Or maybe it's just dark, Capillaries respond quickly, Finger end pricking, It's all dark red blood, This needs to be dealt with in a timely manner, Regardless of the arterial crisis, Or vein crisis, We need to deal with it in a timely manner, For example, by changing the dressing in time, To relieve oppression, Or around the anastomotic vessels, Remove several needles to reduce pressure, Or bleeding at the end, Through these methods, If there is no obvious improvement, So we can have a surgical exploration, Anastomose the blood vessels again.