Watson caring theory-based encouragement interventions for pain and anxiety in stage III-IV pressure ulcer patients

Figure 1 The pressure ulcer repair process in the control group patient. A: The sacrococcygeal area presented with a 7 cm × 9 cm area of scar contracture. Within this, a central 6 cm × 7 cm region exhibited erythema and swelling, featuring a 3 cm × 3 cm open wound that extended to the depth of the sacrum and coccyx. The surface of the sacrococcygeal bone appeared black and was covered with purulent slough; B: Postoperative view following debridement of the sacrococcygeal osteomyelitic lesion, muscle debridement for ulcer repair, and application of a vacuum sealing drainage system; C: Postoperative view after a gluteus maximus myocutaneous flap transfer and skin grafting.