Objective To investigate the clinical effects of superior gluteal artery perforator " buddy flap" in repairing pressure ulcer in sacrococcygeal region.
Methods From January 2017 to December 2018, 13 patients (8 males and 5 females) aged 24-79 years with stage 4 pressure ulcers in sacrococcygeal region were admitted to the First Affiliated Hospital of Zhengzhou University, with wound area from 5 cm×4 cm to 12 cm×10 cm. After thorough debridement and vacuum sealing drainage, the superior gluteal artery perforator " buddy flap" was designed to repair the pressure ulcer in sacrococcygeal region. The pressure ulcer was repaired by the main flap with area from 7.0 cm×5.0 cm to 18.0 cm×12.0 cm; the main flap′s donor area was covered by the auxiliary flap with area from 5.0 cm×3.0 cm to 11.0 cm×7.0 cm; the auxiliary flap′s donor area was covered by the connecting flap between the main flap and the auxiliary flap. The remaining wound without covering was directly closed by suturing. The postoperative flap survival and complications were observed. The appearance and function of flaps and the recurrence of pressure ulcer were followed up.
Results The flaps of 12 patients survived after operation without complications of infection, fat liquefaction, or poor flap survival. A small area of superficial necrotic skin at the distal end of flap was observed in one case, which was healed after dressing change. All the patients were followed up for 6 months without recurrence of pressure ulcer, and the operation area was naturally full in appearance, which was pressure and wear resistant.
Conclusions Superior gluteal artery perforator " buddy flap" is an effective method for the treatment of pressure ulcer in sacrococcygeal region. The effect of tension-free repair of the pressure ulcer and main flap donor area can be achieved in one operation. The operation is simple, the curative effect is accurate, and it has certain clinical value.
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