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Case study 1
A 84-year-old female with a grade III sacral pressure ulcer. She had underlying hypertension, dyslipidemia, and old ischemic stroke with a totally dependent status. She had suffered from a sacral pressure ulcer for 5 months. She was treated with alginate silver dressing. After an eight-week period of treatment, the wound size had been reduced from 20 to 12 cm2. (A) At the first week. (B) At the second week. (C) At the fourth week. (D) At the eighth week.
