El-Komy M H M, Samir N
Department of Dermatology, Faculty of Medicine, Cairo University, 5 Falaky Street, Bab El-Louk, Cairo, Egypt,
Lasers Med Sci. 2015 Jul;30(5):1623-6. doi: 10.1007/s10103-013-1506-z. Epub 2013 Dec 11.
Paronychia, which can be acute or chronic, is characterized by erythema, edema, and tenderness at the proximal and occasionally lateral nail folds. Causes of chronic paronychia include excessive moisture, contact irritants, trauma, and candida infection. Chronic paronychia is usually multifactorial and difficult to treat. The aim of the present work was to assess the role of neodymium-doped yttrium aluminium garnet (Nd:YAG) laser as a new modality for the treatment of chronic paronychia. In this interventional pilot study, eight female patients suffering from long-standing paronychia received 2-5 Nd:YAG laser sessions (4 weeks apart). Fluences ranged between 70 to 80 J/cm(2), using a 2.5-mm spot size handpiece, and pulse duration was set at 0.7 ms. Patients were digitally photographed and clinically evaluated before starting the treatment and at each session. Seven of our patients showed various degree of improvement regarding erythema and swelling of their proximal nail folds. Nail plate abnormalities also improved in six patients. These preliminary results document the efficacy and feasibility of Nd:YAG laser as one of the treatments that could ameliorate chronic paronychia.
甲沟炎可分为急性或慢性，其特征为近端甲皱襞（偶尔也包括外侧甲皱襞）出现红斑、水肿和压痛。慢性甲沟炎的病因包括过度潮湿、接触性刺激物、创伤和念珠菌感染。慢性甲沟炎通常是多因素导致的，且难以治疗。本研究的目的是评估掺钕钇铝石榴石（Nd:YAG）激光作为一种治疗慢性甲沟炎的新方法的作用。在这项干预性初步研究中，8名患有长期甲沟炎的女性患者接受了2至5次Nd:YAG激光治疗（每次间隔4周）。使用2.5毫米光斑尺寸的手持探头，能量密度在70至80 J/cm²之间，脉冲持续时间设定为0.7毫秒。在开始治疗前及每次治疗时，对患者进行数码拍照并进行临床评估。我们的7名患者近端甲皱襞的红斑和肿胀有不同程度的改善。6名患者的指甲板异常情况也有所改善。这些初步结果证明了Nd:YAG激光作为一种可改善慢性甲沟炎的治疗方法的有效性和可行性。
