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[의학과][성형외과] 성형외과 토픽 리뷰(Nonhealing Wounds)에 대한 자료입니다.
본문내용
v Treatment begins with identification and control of the factors increased
pressure
� Paralyzed patients require periodic rotation and an air mattress
� Wheelchair cushions need to be changed in ischial sore patients
� Tight casts, improperly fitting lower extremity prostheses need modification
v Most pressure sores will heal with avoidance of pressure
v However, they heal with scar, which is less resistant to trauma than normal
skin
v Thus, a higher recurrence rate exists after spontaneous closure than flaps
Lower extremity wounds (Venous)
v Valvular incompetence venous pressure increase edema with plasma
extravasation
v Fibrinogen leakage fibrin layer around the capillaries impairs oxygen and
nutrient diffusion
v Leukocytes may be trapped and activated in obstructed capillaries oxygen