Clinical effects of different types of tissue flaps in repairing the wounds with steel plate exposure and infection after proximal tibial fracture surgery

Liu Wenjian; Zhang Hongyan; Liu Dewu

doi:10.3760/cma.j.cn501225-20231101-00171

Volume 39 Issue 12

Dec. 2023

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Article Navigation > CHINESE JOURNAL OF BURNS AND WOUNDS > 2023 > 39(12): 1140-1148

Liu WJ,Zhang HY,Liu DW.Clinical effects of different types of tissue flaps in repairing the wounds with steel plate exposure and infection after proximal tibial fracture surgery[J].Chin J Burns Wounds,2023,39(12):1140-1148.DOI: 10.3760/cma.j.cn501225-20231101-00171.

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Clinical effects of different types of tissue flaps in repairing the wounds with steel plate exposure and infection after proximal tibial fracture surgery

doi: 10.3760/cma.j.cn501225-20231101-00171

1.
Department of Burns and Plastic Surgery, Jiangxi Provincial General Hospital of Armed Police, Nanchang 330030, China
2.
Medical Center of Burn Plastic and Wound Repair, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China

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Corresponding author: Zhang Hongyan, Email: zhycn2008@163.com
Received Date: 2023-11-01

Abstract

Abstract

Objective To investigate the clinical effects of different types of tissue flaps in repairing the wounds with steel plate exposure and infection after proximal tibial fracture surgery. Methods A retrospective observational study was conducted. From January 2015 to December 2021, 11 patients with steel plate exposure and infected wounds after proximal tibial fracture surgery who met the inclusion criteria were admitted to Jiangxi Provincial General Hospital of Armed Police, including 9 males and 2 females, aged 26 to 61 years. The wounds were located on the lateral side of the proximal leg in 5 cases, on the medial side of the proximal leg in 2 cases, and on the medial side of the proximal leg and the anterior tibia below the knee in 4 cases. After debridement, the wound area was 14 cm×6 cm-22 cm×11 cm. The wounds were repaired with different types of tissue flaps, and the steel plates were removed immediately if necessary, according to the infection around the steel plates. The reverse anterolateral thigh myocutaneous flap pedicled with the muscle containing the terminal small branch of the descending branch of the lateral circumflex femoral artery was used in 3 cases; the medial gastrocnemius muscle flap combined with the medial half of soleus muscle flap was used in 6 cases, and the lateral gastrocnemius muscle flap combined with the anterior tibial muscle flap was used in 2 cases. After the muscle flaps had stable blood supply, the wounds were closed with thin intermediate thickness skin graft from the healthy thigh. The area of myocutaneous flap ranged from 15 cm×7 cm to 18 cm×8 cm, and the area of muscle flap ranged from 6.0 cm×4.0 cm to 18.0 cm×12.0 cm. Among the 3 patients who were treated with reverse anterolateral thigh myocutaneous flap, the wounds of flap donor site on thighs were closed by direct suturing in 2 cases, and the wound in the flap donor site of thigh in 1 case that was not closed after suture was repaired with thin intermediate thickness skin graft from healthy thigh. The incisions in the flap donor sites of 8 cases treated with calf muscle flaps were sutured directly. After surgery, the survivals of tissue flap and skin graft on the muscle flap, wound healing status and wound healing time in recipient sites of tissue flaps, suture site healing in flap donor site, and survival of skin graft were observed and recorded. Whether the steel plate was removed after operation and during follow-up was recorded. During follow-up, the shape and texture of tissue flap, whether the recipient site of tissue flap had redness, swelling, ulceration, or sinus formation were observed, the fracture healing time was recorded. At the last follow-up, the knee joint flexion and extension range of motion was measured and the knee joint function was evaluated according to Hohl's knee joint function evaluation criteria; the plantar flexor muscle strength of ankle joint was measured in 8 patients who were treated with calf muscle flaps for wound repair; the Vancouver scar scale (VSS) was used to evaluate the scar condition in the flap donor site, and whether the scar affected the movement of the affected limbs was observed. Results Tissue flaps of 11 patients all survived after surgery. The distal end of the reverse anterolateral thigh myocutaneous flaps was necrotic in 1 patient, and the wound was healed after dressing change and grafting with thin intermediate thickness skin from healthy thigh. The distal muscle necrosis of the medial gastrocnemius muscle flap was observed in 2 patients, and the granulation tissue grew well after dressing change. The skin graft on the muscle flap survived well. All the wounds in the recipient sites of tissue flaps were healed, and the healing time was 13 to 42 days after tissue flap transplantation. The suture site of flap donor site healed, and the skin graft survived well. In 1 patient, the steel plate was removed when the wound was repaired with the medial gastrocnemius muscle flap combined with the medial half of soleus muscle flap. One patient still had exudation after 3 weeks of wound repair with the reverse anterolateral thigh myocutaneous flap pedicled with the muscle containing the terminal small branch of the descending branch of the lateral circumflex femoral artery, and the wound was healed after removing the steel plate. The steel plates of the other patients were preserved. During the follow-up of 6-25 months, except for 1 reverse anterolateral thigh myocutaneous flap had bloated pedicle, the other tissue flaps had good appearance and texture. One patient had redness and swelling in the recipient site of the tissue flap at 6 weeks after discharge, and the redness and swelling subsided without recurrence after anti-infection treatment. In 1 patient, repeated rupture and exudation occurred in the recipient site of tissue flap in 3 months after discharge, resulting in sinus tract formation, which was healed after the removing of steel plate. The fracture healing time of patients ranged from 6 to 15 months after injury. At the last follow-up, the knee joint function was evaluated as excellent in 4 cases, good in 6 cases, and poor in 1 case. Among the 8 patients who were treated with calf muscle flaps for wound repair, 7 patients had ankle joint plantar flexor muscle strength of grade Ⅵ, and 1 patient had ankle plantar flexor muscle strength of grade Ⅴ. The VSS scores of scars in the flap donor sites ranged from 2 to 7, and scars did not significantly affect the movement of the affected limbs. Conclusions The reverse anterolateral thigh myocutaneous flap pedicled with the muscle containing the terminal small branch of the descending branch of the lateral circumflex femoral artery and the gastrocnemius muscle flap combined with soleus muscle flap or anterior tibial muscle flap are the derived types of the commonly used reverse anterolateral thigh myocutaneous flap and gastrocnemius muscle flap. Using them to repair the wounds with steel plate exposure and infection after proximal tibial fracture surgery can not only ensure the smooth operation, but also preserve the steel plate and promote fracture healing as much as possible, without significantly affecting the function of the affected limb.
- Tibial fractures,
- Surgical flaps,
- Myocutaneous flap,
- Microsurgery,
- Wound repair,
- Infected wound,
- Bone

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