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Aesthetic Plastic Surgery
Published in: Aesthetic Plastic Surgery 2/2021

01-04-2021 | Keloid | Original Article

The Efficacy of Drug Injection in the Treatment of Pathological Scar: A Network Meta-analysis

Authors: Pengfei Sun, Xiaosheng Lu, Huachang Zhang, Zhensheng Hu

Published in: Aesthetic Plastic Surgery | Issue 2/2021

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Abstract

Background

Pathological scars mainly include hyperplastic scars and keloids, and there is no uniform treatment standard for the treatment of pathological scar in clinic now. Drug injection in the treatment of pathological scar is widely used because of its advantages of less trauma and simple operation. Therefore, we used a network meta-analysis to compare the curative effect of four kinds of drugs which are commonly used in the treatment of pathological scar such as botulinum toxin type A, corticosteroids (including diprospan and triamcinolone acetonide (TAC)), verapamil and 5-fluorouracil (5-FU), systematically. It is hoped that our study will provide evidence for the choice of drugs in the treatment of pathological scar by injection.

Methods

Relevant articles from Wanfang, VIP, CNKI, PubMed, Cochrane Library and Embase databases were extracted by us. They were included into a network meta-analysis to compare the four kinds of drugs which are commonly used in the treatment of pathological scar.

Results

The network meta-analysis included a total of 1513 patients from 23 studies. Through meta-analysis, we found that the efficacy of botulinum toxin type A combined with corticosteroid drugs was best in the treatment of pathological scar by injection. There was no significant difference between botulinum toxin type A, corticosteroids combined with 5 Fu, verapamil and 5-FU. The efficacy of corticosteroids combined with 5-FU was better than that of corticosteroids alone and verapamil alone, but there was no significant difference between them and 5-FU. Further, the order of efficacy predicted by the SUCRA curve was as follows: botulinum toxin type A combined with corticosteroids > corticosteroids combined with 5-FU > botulinum toxin type A > corticosteroids > 5-FU > verapamil. Moreover, no publication bias was found in the funnel diagram.

Conclusion

In the injection treatment of pathological scar, we recommend the combined injection of two drugs, especially botulinum toxin type A combined with corticosteroids. The effective treatment of botulinum toxin type A combined with corticosteroids in the treatment of pathological scar is as follows: Patients were treated once monthly with intralesional injection of TAC (0.1 ml/cm3) mixed with botulinum toxin type A (2.5 IU/cm3) for a total of 3 treatments. However, there are still limitations in this network meta-analysis, and its conclusion still needs to be further confirmed by more randomized controlled trials.

Level of Evidence III

This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.​springer.​com/​00266.
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Metadata
Title
The Efficacy of Drug Injection in the Treatment of Pathological Scar: A Network Meta-analysis
Authors
Pengfei Sun
Xiaosheng Lu
Huachang Zhang
Zhensheng Hu
Publication date
01-04-2021
Publisher
Springer US
Published in
Aesthetic Plastic Surgery / Issue 2/2021
Print ISSN: 0364-216X
Electronic ISSN: 1432-5241
DOI
https://doi.org/10.1007/s00266-019-01570-8

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