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Sun Fengkun,Wang Limin,Song Xinghua,et al.Clinical application value of color Doppler ultrasound in the repair of skin and soft tissue defects in the extremities using the anterolateral thigh perforator flap pedicled with the oblique branch of the lateral circumflex femoral artery[J].Chin J Burns Wounds,2026,42(1):1-10.DOI: 10.3760/cma.j.cn501225-20240623-00247.
Citation: Sun Fengkun,Wang Limin,Song Xinghua,et al.Clinical application value of color Doppler ultrasound in the repair of skin and soft tissue defects in the extremities using the anterolateral thigh perforator flap pedicled with the oblique branch of the lateral circumflex femoral artery[J].Chin J Burns Wounds,2026,42(1):1-10.DOI: 10.3760/cma.j.cn501225-20240623-00247.

Clinical application value of color Doppler ultrasound in the repair of skin and soft tissue defects in the extremities using the anterolateral thigh perforator flaps pedicled with the oblique branch of the lateral circumflex femoral artery

doi: 10.3760/cma.j.cn501225-20240623-00247
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  • Corresponding author: Zhao Xudong, Email: zhaoxudong1.234@163.com
  • Received Date: 2024-06-23
    Available Online: 2025-12-31
  •   Objective  To investigate the clinical application value of color Doppler ultrasound in the repair of skin and soft tissue defects in the extremities using the anterolateral thigh perforator flaps (ALTPF) pedicled with the oblique branch of the lateral circumflex femoral artery.  Methods  This study was a retrospective cohort study. A total of 30 patients admitted to Dongying Traditional Chinese Medicine Hospital from March 2018 to November 2020 who met the inclusion criteria were selected as the control group. The patients underwent repair of skin and soft tissue defects in the extremities using the ALTPF which pedicled with the oblique branch of the lateral circumflex femoral artery and designed and harvested based on the surgeon's clinical experience. Another 30 patients admitted to the same hospital from December 2020 to May 2023 who met the inclusion criteria were selected as the ultrasound group. The patients underwent repair of skin and soft tissue defects in the extremities using the ALTPF pedicled with the oblique branch of the lateral circumflex femoral artery and designed and harvested according to preoperative color Doppler ultrasound results. Among the patients, there were 49 males and 11 females, aged 19-60 years. After debridement, the wound areas ranged from 6.0 cm×3.0 cm to 13.0 cm×11.0 cm, and the harvested areas of ALTPF ranged from 7.0 cm×4.0 cm to 18.0 cm×8.0 cm. The donor site wounds were directly sutured. For patients in the ultrasound group, the consistency between the classification of the oblique branches of the lateral circumflex femoral artery and the number of its perforating vessels determined by the preoperative color Doppler ultrasound examination and the intraoperative exploration results was analyzed; the diameters of the oblique branches of the lateral circumflex femoral artery at its origin, the diameters of the vessels at the perforation points of its perforating branches, as well as the length of the vascular pedicle were compared between the preoperative color Doppler ultrasound examination and the intraoperative exploration. For patients in the two groups, the blood supply status of the flaps on postoperative days 1, 3, 5, 7, and 14 was scored using a flap blood supply assessment scale; the duration of flap surgery, intraoperative blood loss, and length of hospital stay were recorded; the incidence of tension blisters and venous crisis in the flap recipient areas within one week after surgery and flap necrosis within two weeks after surgery were recorded, and the incidence of incision dehiscence in the flap donor areas within two weeks after surgery and abnormal scar hyperplasia, sensory abnormalities, and decreased motor function within one year after surgery were recorded. One year after surgery, the satisfaction of patients in the two groups with the treatment outcomes was evaluated using a Likert 5-point scale.  Results  For patients in the ultrasound group, the preoperative color Doppler ultrasound examination revealed that the oblique branch of the lateral circumflex femoral artery was type 1 in 17 cases, type 2 in 5 cases, type 3 in 3 cases, type 4 in 3 cases, and type 5 in 2 cases, which was completely consistent with the intraoperative exploration findings (with Kappa coefficient of 1.00, P<0.05). The number of perforating vessels of the oblique branch of the lateral circumflex femoral artery detected by the preoperative color Doppler ultrasound examination showed a high degree of consistency with the intraoperative exploration results (with Kappa coefficient of 0.80, P<0.05). There were no statistically significant differences in the diameters of the oblique branches of the lateral circumflex femoral artery at its origin, the diameters of the vessels at the perforation points of its perforating branches, as well as the length of the vascular pedicle between the preoperative color Doppler ultrasound examination and the intraoperative exploration (with t values of 0.60, 0.85, and 0.78, respectively, P>0.05). On postoperative days 1, 3, 5, 7, and 14, the scores of flap blood supply status in the ultrasound group of patients were significantly higher than those in the control group (with t values of 8.64, 10.41, 10.84, 8.99, and 6.37, respectively, P<0.05). The duration of flap surgery and length of hospital stay in the ultrasound group of patients were significantly shorter than those in the control group (with t values of 5.34 and 3.73, respectively, P<0.05), and the intraoperative blood loss was significantly less than that in the control group (t=18.37, P<0.05). The incidence of complications in the flap donor and recipient areas in the ultrasound group of patients at different time points after surgery was significantly lower than that in the control group (P<0.05). One year after surgery, the satisfaction rate of patients with the treatment outcomes in the ultrasound group was significantly higher than that in the control group (P<0.05).  Conclusions  The color Doppler ultrasound was used to clarify the classification and distribution of the oblique branch of the lateral circumflex femoral artery preoperatively. Based on this, the ALTPF pedicled with the oblique branch of the lateral circumflex femoral artery was designed and harvested to repair the skin and soft tissue defects in the extremities, which can significantly improve the postoperative flap blood supply, effectively shorten surgical duration and length of hospital stay, reduce intraoperative blood loss and the incidence of complications, and enhance patients' satisfaction with treatment outcomes.

     

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