Peer-reviewed literature indicates that radiofrequency and related techniques have very good results in treating dermatological conditions such as acne scars and postherpetic neuralgia.
Acne vulgaris is a chronic skin disease that, depending on its course, is characterized by the occurrence of various skin eruptions such as open and closed comedones, pustules, papules, and cysts. Incorrectly selected treatment or the presence of severe acne vulgaris can lead to the formation of atrophic scars. In this review, we summarize current knowledge on acne scars and methods for their improvement. There are three types of atrophic scars: icepick, rolling, and boxcar. They are of different depths and widths and have different cross-sections. Scars can combine to form clusters. If acne scars are located on the face, they can reduce the patient's quality of life, leading to isolation and depression. There are multiple effective modalities to treat acne scars. Ablative lasers, radiofrequency, micro-needling, and pilings with trichloroacetic acid have very good treatment results. Contemporary dermatology and cosmetology use treatments that cause minimal side effects, so the patient can return to daily functioning shortly after treatment. Proper dermatological treatment and skincare, as well as the rapid implementation of cosmetological treatments, will certainly achieve satisfactory results in reducing atrophic scars.
ObjectiveTo compare the effect, safety, and patient satisfaction of pulsed radiofrequency combined with methylene blue paravertebral nerve block and pulsed radiofrequency alone in the treatment of thoracic postherpetic neuralgia (PHN).MethodsA total of seventy-two patients with PHN diagnosed in the Department of Pain Management of Shengjing Hospital at China Medical University, from September 2019 to April 2021, were enrolled in the study. Patients were randomly divided into two groups. Group A (n = 36) received pulsed radiofrequency treatment. Group B (n = 36) received pulsed radiofrequency + methylene blue paravertebral nerve block. Patients were followed-up at 1 day, 1 week, 1 month, 3 months, and 6 months after treatment. Observation at each follow-up included basic patient characteristics, Visual Analog Scale (VAS), Hospital Anxiety and Depression Scale (HAD), the Insomnia Severity Index (ISI), patient satisfaction, complications, and side effects.ResultsCompared with preoperative values, the VAS scores significantly decreased in both groups at each postoperative time point (1 day, 1 week, and 1, 3, and 6 months; all p < 0.05). Compared with group A, VAS scores in group B were significantly lower 1 week and 1 month after surgery (p < 0.05). Patients in group B had lower HAD scores than those in group A 1 week after surgery (p < 0.05). Patients in group B had lower ISI scores than those in group A 1 day, 1 week, and 1, 3, and 6 months after surgery (p < 0.05). The pregabalin dosage in group B was lower than that in group A at 1 and 6 months after surgery (p < 0.05). Patient satisfaction was higher in group B than in group A at 1 week and 6 months after surgery (p < 0.05). There were no serious complications or side effects in either group.ConclusionPulsed radiofrequency combined with methylene blue paravertebral nerve block is superior to pulsed radiofrequency alone in the treatment of thoracic PHN, which can significantly relieve PHN and improve the condition of sleep and emotional disorders. Therefore, it is a safe and effective treatment method.
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