A prospective randomized controlled study of the effectiveness of artificial dermis combined with split-thickness skin for repairing wounds with bone and tendon exposure in hands and feet

Di Haiping; Mu Xinling; Shi Jijing; Xue Jidong; Liu Lei; Guo Haina; Xing Peipeng; Xia Chengde

doi:10.3760/cma.j.cn501120-20210325-00103

Volume 37 Issue 12

Dec. 2021

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Article Navigation > CHINESE JOURNAL OF BURNS AND WOUNDS > 2021 > 37(12): 1130-1136

Di HP,Mu XL,Shi JJ,et al.A prospective randomized controlled study of the effectiveness of artificial dermis combined with split-thickness skin for repairing wounds with bone and tendon exposure in hands and feet[J].Chin J Burns,2021,37(12):1130-1136.DOI: 10.3760/cma.j.cn501120-20210325-00103.

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A prospective randomized controlled study of the effectiveness of artificial dermis combined with split-thickness skin for repairing wounds with bone and tendon exposure in hands and feet

doi: 10.3760/cma.j.cn501120-20210325-00103

1.
Department of Burns, Zhengzhou First People′s Hospital, Zhengzhou 450004, China
2.
Department of Orthopedic Surgery, Zhengzhou First People′s Hospital, Zhengzhou 450004, China
3.
Stem Cell Center, Zhengzhou First People′s Hospital, Zhengzhou 450004, China

Funds:

The Joint Project of Henan Medical Science and Technology Research Program of China LHGJ20191000

Science and Technology Development Plan of Henan Province of China 202102310133

More Information

Corresponding author: Mu Xinling, Email: muxinlinggege@163.com
Received Date: 2021-03-25

Abstract

Abstract

Objective To explore the clinical effects of artificial dermis combined with split-thickness skin for repairing wounds with bone and tendon exposure in hands and feet. Methods A prospective randomized controlled study was conducted. From October 2018 to February 2020, 82 patients with bone and tendon exposed wounds in hands and feet admitted to the Department of Burns of Zhengzhou First People′s Hospital who met the inclusion criteria were selected. All the patients were divided into flap group (41 cases, including 27 males and 14 females) and artificial dermis+split-thickness skin group (41 cases, including 29 males and 12 females) according to the random number table, with age of (37±7) years. After complete debridement of wounds of patients in the two groups, the wounds of patients in flap group were transplanted with anterolateral femoral free flaps; the wounds of patients in artificial dermis+split-thickness skin group were grafted with artificial dermis with continuous negative pressure suction applied, and then grafted with split-thickness skin from autologous lateral thigh once the vascularization of artificial dermis was completed. One week after autologous skin graft/flap grafting, the survival of wound graft was observed and the graft survival rate was calculated. The complete wound healing time, number of operation, length of hospital stay, hospitalization cost, and the occurrence of surgery-related complications during hospitalization after autologous skin graft/flap grafting were recorded, and the incidence of complications was calculated. Six months after autologous skin graft/flap grafting, the scar hyperplasia of recipient area was evaluated by Vancouver Scar Scale (VSS), while the recovery of hand and foot function was evaluated by Total Action Mobility (TAM) System Rating method and American Orthopaedic Foot and Ankle Society Ankle and Hindfoot Function Scale (AOFAS-AHS), respectively. Data were statistically analyzed with chi-square test, Fisher's exact probability test, and independent sample t test. Results One week after autologous skin graft/flap grafting, the survival rates of wound grafts were similar in the two groups (P>0.05). The complete wound healing time and length of hospital stay were (29±5) and (35±5) d for patients in artificial dermis+split-thickness skin group, respectively, which were significantly longer than (22±4) and (28±5) d in flap group (t=6.96, 6.22, P<0.01). Compared with those in flap group, the number of operations was fewer (t=7.39, P<0.01), the incidence of surgery-related complications during hospitalization after autologous skin graft/flap grafting was lower (P<0.01), but there was no significant change in hospitalization cost of patients in artificial dermis+split-thickness skin group (P>0.05). Six months after autologous skin graft/flap grafting, the VSS scores of recipient area of patients in the two groups were similar (t=0.32, P>0.05); the TAM score of hand function and AOFAS-AHS score of foot function of patients in artificial dermis+split-thickness skin group were 40±6 and 62±12, respectively, which were significantly higher than 34±6 and 53±11 of flap group (t=4.66, 3.41, P<0.01). Conclusions The combined application of artificial dermis and split-thickness skin results in fewer number of operation compared with using flaps in the repair of wounds with bone and tendon exposure in hands and feet, reducing the incidence of surgery-related complications and improving the postoperative hand and foot joint function of patients, without significant scar hyperplasia, although it may also prolong the wound healing time and length of hospital stay accordingly.
- Skin, artificial,
- Skin transplantation,
- Hand,
- Foot,
- Split-thickness skin,
- Wounds with bone and tendon exposure

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References

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A prospective randomized controlled study of the effectiveness of artificial dermis combined with split-thickness skin for repairing wounds with bone and tendon exposure in hands and feet

doi: 10.3760/cma.j.cn501120-20210325-00103