Combination of W-plasty and Botulinum Neurotoxin Type A Injection for Preventing Rhytidectomy Scar in Asians,Aesthetic Plastic Surgery

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Combination of W-plasty and Botulinum Neurotoxin Type A Injection for Preventing Rhytidectomy Scar in Asians
Aesthetic Plastic Surgery ( IF 2.0 ) Pub Date : 2022-06-13 , DOI: 10.1007/s00266-022-02970-z
Chung-Hee Han ₁

Affiliation

Background

This study was conducted to see if better scar results could be obtained by administering botulinum neurotoxin type A (BoNTA) injection and W-plasty incision for preventing rhytidectomy scar.

Methods

All patients underwent extended deep-plane rhytidectomy in two groups. Group 1 had a straight incision line, and BoNTA was not given. Group 2 was injected with W-plasty and BoNTA. Photos were taken before surgery and twelve months after surgery. Two aesthetic surgeons analyzed the results using MSS, MSRS, and SBSES. Interrater reliability was measured using the intraclass correlation coefficient (ICC).

Results

Forty-nine patients were included in the study. Group 1 (Straight incision, No BoNTA) had 26, and Group 2 (W-plasty, BoNTA) had 23 patients. The interrater reliability in Group 1 was excellent for MSS (ICC, 0.957 [0.904–0.981]), and good in two of the interrater reliability measures (ICCs, 0.897 [0.769-0.954] for MSRS, and 0.821 [0.605–0.919] for SBSES). Interrater reliability in Group 2 was good in two out of three measures (ICCs, 0.760 [0.423–0.899] for MSS, 0.746 [0.392–0.893] for MSRS, and 0.851 [0.654–0.937] for SBSES). There was a significant statistical difference between Group 1 and Group 2, showing that Group 2 has superior outcomes (MSS, 6.596 ± 1.569 vs. 5.435 ± 0.590, P = 0.001; MSRS, 4.346 ± 0.967 vs. 3.652 ± 0.510, P = 0.003; SBSES, 3.788 ± 0.695 vs. 4.261 ± 0.541, P = 0.012).

Conclusions

Analyzed by three dedicated scar assessments, better results were obtained through combining W-plasty and BoNTA injections, so it is expected to be a useful method for improving scars.

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.

中文翻译：

W 整形术和 A 型肉毒杆菌神经毒素注射联合预防亚洲人除皱疤痕

背景

进行这项研究是为了观察是否可以通过注射 A 型肉毒杆菌神经毒素 (BoNTA) 和 W 形切口来预防除皱疤痕，从而获得更好的疤痕效果。

方法

两组患者均行扩大深平面除皱术。第 1 组切口线直，未给予 BoNTA。第 2 组注射 W 成形术和 BoNTA。照片拍摄于手术前和手术后十二个月。两位美容外科医生使用 MSS、MSRS 和 SBSES 分析了结果。使用组内相关系数 (ICC) 测量评分者间的可靠性。

结果

该研究包括 49 名患者。第 1 组（直切口，无 BoNTA）有 26 名患者，第 2 组（W 成形术，BoNTA）有 23 名患者。第 1 组的评分者间信度对于 MSS（ICC，0.957 [0.904-0.981]）非常好，并且在两个评分者间可靠性测量中良好（ICCs，MSRS 为 0.897 [0.769-0.954]，MSRS 为 0.821 [0.605-0.919] SBS）。第 2 组的评分者间可靠性在三分之二的指标中表现良好（ICC，MSS 为 0.760 [0.423–0.899]，MSRS 为 0.746 [0.392–0.893]，SBSES 为 0.851 [0.654–0.937]）。第 1 组和第 2 组之间存在显着的统计差异，表明第 2 组具有更好的结果（MSS，6.596 ± 1.569 与 5.435 ± 0.590，P = 0.001；MSRS，4.346 ± 0.967 与 3.652 ± 0.510 ， P = 0.003 ; SBSES，3.788 ± 0.695 对比 4.261 ± 0.541，P = 0.012）。