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Volume 38 Issue 6
Jun.  2022
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Article Navigation >  CHINESE JOURNAL OF BURNS AND WOUNDS  > 2022  >  38(6): 532-537
Dai JJ,Wang L,Qiu HY,et al.Clinical effects of autologous follicular unit extraction transplantation in the treatment of small area secondary cicatricial alopecia after burns[J].Chin J Burns Wounds,2022,38(6):532-537.DOI: 10.3760/cma.j.cn501120-20210224-00064.
Citation: Dai JJ,Wang L,Qiu HY,et al.Clinical effects of autologous follicular unit extraction transplantation in the treatment of small area secondary cicatricial alopecia after burns[J].Chin J Burns Wounds,2022,38(6):532-537.DOI: 10.3760/cma.j.cn501120-20210224-00064.
shu

Clinical effects of autologous follicular unit extraction transplantation in the treatment of small area secondary cicatricial alopecia after burns

doi: 10.3760/cma.j.cn501120-20210224-00064

  • Department of Burns and Cutaneous Surgery, Burn Center of PLA, the First Affiliated Hospital of Air Force Medical University, Xi'an 710032, China

Funds:

Emergency Management Project of National Natural Science Foundation of China 81741105

Industry-University-Research Innovation Fund of the Science and Technology Development Center of the Ministry of Education of China 2021JH030

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    Abstract
  •   Objective  To explore the clinical effects of autologous follicular unit extraction (FUE) transplantation in the treatment of small area secondary cicatricial alopecia (hereinafter referred to as cicatricial alopecia) after burns.  Methods  A retrospective observational study was carried out. According to the adopted treatment methods, 18 patients (12 males and 6 females, aged (29±6) years) who received autologous FUE transplantation for small area cicatricial alopecia after burns from March 2017 to November 2019 in the First Affiliated Hospital of Air Force Medical University were included in FUE transplantation group, and 18 patients (13 males and 5 females, aged (33±5) years) who were treated with expanded flap transplantation for small area cicatricial alopecia after burns by the same surgery team during the same period in the same hospital were included in expanded flap transplantation group. All the patients were followed up for more than 1 year. At the last follow-up, the follicular unit density in the transplanted area was measured by Folliscope hair detection system and the hair survival rate was calculated; the visual analogue scale (VAS) method was adopted to evaluate the treatment effect; patients were asked their satisfaction with the treatment effect and the occurrence of complications during follow-up; the hair growth and the scalp thickness, pain, pruritus, pigmentation, and surface roughness of the transplanted area were recorded. Data were statistically analyzed with Fisher's exact probability test and independent sample t test.  Results  At the last follow-up, the follicular unit density in the transplanted area of patients in FUE transplantation group was (46.8±2.0)/cm2, which was significantly higher than (42.5±4.3)/cm2 in expanded flap transplantation group (t=3.84, P<0.01); the hair survival rates of patients were similar between the two groups (P>0.05). At the last follow-up, VAS scores evaluating the treatment effect of patients were similar between the two groups (P>0.05); the satisfaction score of patients toward the treatment effect in FUE transplantation group was 8.6±1.1, which was significantly higher than 7.6±0.8 in expanded flap transplantation group (t=2.89, P<0.01). During the follow-up, no inflammation or infection occurred in patients of the two groups, but only 2 patients in expanded flap transplantation group had postoperative pain. At the last follow-up, the transplanted area of patients in the two groups was covered with new hair, and the hair growth direction was basically consistent with the surrounding normal hair; scalp thickness, pain, pruritus, pigmentation, and surface roughness of the transplanted area of patients were similar between the two groups (P>0.05).  Conclusions  Autologous FUE transplantation has better long-term follicular unit density and patients' satisfaction than expanded flap transplantation in the treatment of small area cicatricial alopecia after burns, showing better postoperative effect and a good prospect of clinical application.

     

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