Department of Orthopaedic Surgery, Uijeongbu St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
Arch Orthop Trauma Surg. 2014 Apr;134(4):555-9. doi: 10.1007/s00402-014-1942-7. Epub 2014 Feb 9.
The surgical wound of total knee arthroplasty (TKA) needs continuous flexion and extension movement. Silicone gel treatment is widely used to treat hypertrophic scars and keloids since it is easily applied and prevents scar pain and itching. The aim of this study was to evaluate the clinical efficacy and safety of silicone gel applied to surgical scars of TKA on postoperative scar pain and pruritus.
One hundred TKAs were randomized into a silicone gel group (silicone gel was applied to the wound after stitch-out for 1 month) or a placebo group. The postoperative scar pain and pruritus were evaluated with the use of a visual analog scale (VAS) at postoperative 3 months, 6 months and 1 year. Scar assessment was done using the Vancouver scar scale by evaluating scar pigmentation, vascularity, pliability, and height.
Although silicone gel group showed better pigmentation and height scales than placebo group (P < 0.05), there were no significant differences in the postoperative scar pain and pruritus VAS scores between the groups (P > 0.05).
Application of silicone gel had no beneficial effects on scar pain and itching relief during the early postoperative period of TKA.
I-Randomized Controlled Trial.
全膝关节置换术（TKA）的手术切口需要持续的弯曲和伸展运动。硅凝胶治疗因其易于应用且可预防疤痕疼痛和瘙痒而被广泛用于治疗肥厚性瘢痕和瘢痕疙瘩。本研究旨在评估 TKA 手术后应用硅凝胶治疗手术切口疤痕对术后疤痕疼痛和瘙痒的临床疗效和安全性。
将 100 例 TKA 随机分为硅凝胶组（缝线拆除后在伤口上涂抹硅凝胶 1 个月）或安慰剂组。术后 3 个月、6 个月和 1 年采用视觉模拟评分（VAS）评估术后瘢痕疼痛和瘙痒。采用温哥华瘢痕量表评估瘢痕的色素沉着、血管性、柔韧性和高度。
尽管硅凝胶组在色素沉着和高度评分方面优于安慰剂组（P<0.05），但两组在术后瘢痕疼痛和瘙痒 VAS 评分方面无显著差异（P>0.05）。
在 TKA 手术后的早期阶段，应用硅凝胶对缓解疤痕疼痛和瘙痒没有有益的效果。
I-随机对照试验。
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