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학습 자료 둘러보기 →The most critical risk factor for pressure ulcer development is immobility. Sustained pressure exceeding 32 mmHg (capillary closing pressure) causes tissue ischemia and necrosis, especially over bony prominences like the sacrum and heels.
Postoperative patients, such as those with hip fractures on prolonged bed rest, are at extreme risk. Assessment must prioritize turning schedules (every 2 hours), use of pressure-redistribution surfaces, and skin inspection.
While dehydration and shear contribute to risk, immobility is the primary extrinsic factor. Do not overlook it in favor of less impactful findings like family history or allergies.
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