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The best recognized and also the most widespread example of tissue necrosis is bedsore. A bedsore is localized damage to the skin and other underlying tissue, usually over a bony prominence, as a result of prolonged, unrelieved pressure. The cause of bedsore is shearing forces; friction, moisture, and constant pressure contribute to the development of bedsore. Hospital research shows that bedsores develop from 3% to 4.5% of patients during prolonged hospitalization and Sores develop from 25% to 85% of patients with spinal cord injury. The doctor and nurses will regularly examine the patient who is at risk of developing bedsore and inspect each pressure sites at least twice a day. Doctors and nurses are important warriors who manage bedsore treatment effectively. This review describes the new strategies have been used to prevent and management of bedsore such as inexpensive foam devices, anti-pressure devices, air-filled equipment, a sheet of hydrogels, wound vacuum-assisted closer, skin bioprinting, and Lab VIEW virtual instrument.
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