Volume 39 Issue 9
Sep.  2023
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Chu FF,Tang YK,Ding JK,et al.Clinical effects of expanded frontal flap and flip scar flap in repairing partial nasal defect[J].Chin J Burns Wounds,2023,39(9):806-812.DOI: 10.3760/cma.j.cn501225-20230517-00173.
Citation: Chu FF,Tang YK,Ding JK,et al.Clinical effects of expanded frontal flap and flip scar flap in repairing partial nasal defect[J].Chin J Burns Wounds,2023,39(9):806-812.DOI: 10.3760/cma.j.cn501225-20230517-00173.

Clinical effects of expanded frontal flap and flip scar flap in repairing partial nasal defect

doi: 10.3760/cma.j.cn501225-20230517-00173
Funds:

General Program of National Natural Science Foundation of China 81971851, 82172229

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  •   Objective   To investigate the clinical effects of expanded frontal flap and flip scar flap in repairing partial nasal defect.   Methods   A retrospective observational study was conducted. From January 2012 to January 2022, 26 patients with partial nasal defects who met the inclusion criteria were admitted to the First Affiliated Hospital of Air Force Medical University, including 19 males and 7 females, aged 5 to 61 years. The surgery was performed in 4 stages. In the first stage, a rectangular skin and soft tissue expander (hereinafter referred to as expander) with suitable rated capacity was planted in frontal region and expanded by injecting water regularly. In the second stage, flip scar flap was grafted to reconstruct nasal inner lining, whose area was about 10% larger than the area of defect. The expanded frontal flap with pedicle was transferred to repair the nasal defect, whose pedicle was supraorbital vessel or supratrochlear vessel on the contralateral side of the defect, and the area of expanded flap was 20% larger than the nasal defect area after resection and flipping of scar flap. The donor site of expanded flap was sutured directly. After 3 weeks of flap transferring, the flap was delayed in the third stage. After 1 week of delaying operation, the pedicle of flap was cut off in the fourth stage. The number, rated capacity, injection volume, and expansion time of embedded expanders were recorded. The occurrences of complications including infection, hematoma, ulceration of expanded flap after the first stage operation, and blood supply disorder or necrosis of flap after operation in the second and fourth stages were observed. All the patients were followed up for 1 year at least, and the color of flap, scar of frontal donor site, symmetry of bilateral eyebrows, and the nasal appearance and ventilated function of external nasal tract were observed.   Results   A total of 26 expanders were embedded in 26 patients. The rated capacity of expanders ranged from 100 to 300 mL. The injection volume was 1.0 to 1.5 times of the rated capacity of expanders. The expansion time ranged from 2.5 to 4.0 months, with an average time of 3 months. There were no complications occurred after each operation. The follow-up showed that the color of flap was similar to the normal nasal skin, the scar of frontal region was not obvious, the bilateral eyebrows were basically symmetrical, the nose had excellent appearance, ventilation function of external nasal tract was not affected, while some of the patients had downward rotation or unapparent tip-defining point of nose.   Conclusions   Using the flip scar flap to reconstruct the nasal inner lining and pre-expanded frontal flap to reconstruct the nasal skin, without free cartilage transplantation to repair the partial nasal defects can achieve satisfied nasal appearance post operation, without abnormal external nasal ventilation function.

     

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