Parsian Laser Clinic, Bandar Abbas, Iran.
J Eur Acad Dermatol Venereol. 2011 Jan;25(1):92-9. doi: 10.1111/j.1468-3083.2010.03711.x.
Among therapeutic modalities of acne scars, subcision is a simple, safe procedure with a different and basic mechanism for correcting atrophic and depressed scars. Subcision releases scar surfaces from underlying attachments and induces connective tissue formation beneath the scar directly, without injury to the skin surface. Therefore, subcision is a valuable method, but due to high recurrence rate, its efficacy is mild to moderate.
To increase the efficacy of subcision, a new complementary treatment of repeated suction sessions was added at the recurrence period of subcised scars.
In this before and after trail, 58 patients with mild to severe acne scars of various types (rolling, superficial and deep boxcar, pitted), chicken pox, traumatic and surgical depressed scars were treated by superficial dermal undermining, with mainly 23-guage needles. The protocol for suctioning was: start of suction on third day after subcision for flat and depressing subcised scars and its continuation at least every other day for 2 weeks.
Forty-six patients followed the protocol completely, had 60-90% improvement in depth and size of scars (significant improvement) with mean: 71.73%. 28.2% of them had '80% improvement or more' (excellent improvement). Twelve patients started suction late and/or had long interval suction-sessions, had 30-60% improvement (moderate improvement) with mean: 43.75%.
Frequent suctioning at the recurrence period of subcision increases subcision efficacy remarkably and causes significant and persistent improvement in short time, without considerable complication, in depressed scars of the face. Therefore, subcision-suction method is introduced as a new effective treatment.
在痤疮疤痕的治疗方法中,皮下分离术是一种简单、安全的方法,其纠正萎缩性和凹陷性疤痕的机制不同且基本。皮下分离术将疤痕表面从下方的附着物上释放出来,并在不损伤皮肤表面的情况下直接在疤痕下方诱导结缔组织形成。因此,皮下分离术是一种有价值的方法,但由于复发率高,其疗效为轻度至中度。
为了提高皮下分离术的疗效,在皮下分离术疤痕复发期间增加了重复抽吸疗程的新辅助治疗。
在这项前后试验中,58 名患有各种类型(滚动型、浅表型和深部箱车型、痘坑型)痤疮疤痕、水痘、创伤性和手术性凹陷性疤痕的轻到重度患者接受了浅层真皮皮下分离术治疗,主要使用 23 号针头。抽吸方案为:对于扁平凹陷的皮下分离术疤痕,在皮下分离术后第 3 天开始抽吸,对于凹陷的皮下分离术疤痕,至少每两天抽吸一次,持续 2 周。
46 名患者完全按照方案进行治疗,疤痕的深度和大小改善了 60-90%(显著改善),平均改善率为 71.73%。其中 28.2%的患者改善了 80%或更多(极好改善)。12 名患者开始抽吸较晚和/或抽吸间隔较长,改善了 30-60%(中度改善),平均改善率为 43.75%。
在皮下分离术的复发期间频繁抽吸可显著提高皮下分离术的疗效,在短时间内显著且持久地改善凹陷性疤痕,且无明显并发症。因此,皮下分离-抽吸法被引入作为一种新的有效治疗方法。