外科简答2（Use the 2 surgery）.doc

外科简答2（Use the 2 surgery） Surgery brief answer 1. Classification of trauma. 1., according to the injury after the time divided into: fresh wound: refers to the injury after a short time, the wound is still bleeding, although contaminated, but not infected, that is, there is no redness and heat of the inflammatory symptoms of pain. Old wound: it means long time after injury and obvious infection symptom of trauma. 2., according to trauma, whether or not infected points: Aseptic creation: refers to aseptic operation. Pollution creation: the bacteria entering the wound only have mechanical contact with the damaged tissue and have not yet caused infection. Infection wound: it means that after the injury time is long, the outline of each tissue in the wound is not easy to distinguish, and there are obvious symptoms of trauma and infection. 3. according to the characteristics of the wound 2, causes the wound second times to heal the reason. The form of healing in which the wound does not have the condition of the first phase of healing, or the ability of the tissue to lose the first stage of healing. Characteristics of tissue defect, a margin, a wall is not the whole, a foreign body, blood clots, necrosis and inflammatory products, bacterial infection, by granulation tissue hyperplasia volume a traumatic cavity filling, and scar healing. 3, the condition that trauma can be healed in the first stage. The wound margin and the wound wall were normal, no visible space, no foreign body and blood clot, less tissue damage, slight inflammation, no trauma and infection. 4. General principles of wound healing. 1., deal with the relationship between the local and the whole body: in dealing with trauma at the same time, should pay attention to necessary systemic treatment, such as antibiotic therapy, pain relief, anti shock therapy, nutrition support therapy. 2. prevention and control wound infection: new record should focus on the prevention of infection, and strive to create conditi