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A Randomized, Controlled Trial on the Effectiveness of Photobiomodulation Therapy and Nona??Contact Selectivea??Field Radiofrequency on Abdominal Adiposity in Adolescents With Obesity
摘要： Background and Objectives: Structured physical activities and dietary control have traditionally been used with the aim of controlling obesity. However, effective auxiliary modalities still needed to reduce local obesity, specifically abdominal obesity. This study examined the adjunct effect of photobiomodulation therapy (PBMT), and non‐contact selective‐field radiofrequency (NcRF) on abdominal adiposity in adolescents with obesity. Study Design/Materials and Methods: Fifty‐four adolescents with obesity (33 females and 21 males) took part in this study and were distributed randomly into three treatment‐based groups. Control group (n = 18, age; 14.61 ± 1.14 years), PBMT group (n = 18, age; 14.22 ± 0.88 years), and NcRF group (n = 18, age; 15.11 ± 0.96 years). A dietary control plan of 1,000–1,200 kcal/day, and a 60‐minute aerobic exercise program conducted day‐by‐day over 4 weeks were provided for all participants. Additionally, the PBMT group received 12 20‐minute PBMT on the abdominal area (energy/session ~4.08 J/cm2) thrice/week, and the NcRF group underwent four 30‐minute treatments with NcRF on the abdominal area once/week. Waist/hip ratio (W‐to‐H ratio), intra‐abdominal fat thickness (IAFT), and the subcutaneous‐abdominal fat thickness (SAFT) were observed at the baseline and after 4 weeks. Results: The W‐to‐H ratio and SAFT reduced significantly in the PBMT group compared with either the control group (P = 0.001 and 0.001, respectively) or the NcRF group (P < 0.001 and P = 0.046, respectively) post‐intervention. However, the IAFT and IAFT/SAFT ratio did not differ significantly among the study groups (P > 0.05). Conclusion: Our analysis shows that PBMT is more efficient than NcRF for the reduction of W‐to‐H ratio and SAFT in adolescents with obesity.
关键词： laser lipolysis,635 nm‐laser diode,abdominal adipocytes,contactless radiofrequency,fat thickness
更新于2025-09-19 17:13:59
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Persistent Erythema Ab Igne Occurring After Low-Level Laser Therapy for Lipolysis
摘要： Erythema ab igne (EAI) is a chronic skin condition characterized by blanchable, reticular, erythematous, hyperpigmented macules and patches and can develop from prolonged exposure to infrared radiation in close proximity. It is often asymptomatic; however, some patients report mild skin sensitivity and pruritus. Low-level laser therapy (LLLT) uses red light for non-invasive body contouring.1 Current literature suggests that LLLT provides statistically significant fat reduction in the absence of serious adverse events.2 Although EAI after prolonged electronic device use has been reported, it is not considered an adverse effect of LLLT. Here, we report a case of persistent EAI post-LLLT for lipolysis and body contouring.
关键词： Adverse event,Erythema ab igne,Body contouring,Low-level laser therapy,Lipolysis
更新于2025-09-12 10:27:22
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Criterios en la selección de pacientes para optimizar resultados en liposucción asistida por láser de abdomen y flancos: análisis de 340 cirugías
摘要： Ultrasound and statistical analysis of results of laser-assisted liposuction of the abdomen and flanks have been evaluated. Decrease in fat tissue, skin retraction and patient satisfaction with results have all been taken into consideration. This retrospective study corresponds to 340 surgeries, done on multiparous patients over 40 years age, with and without abdominal recti muscle diastasis that rejected going through abdominal lipectomy. Surgeries were carried out by laser assisted liposuction with two Diode lasers emitting at 924 and 975 nm, operating simultaneously, performed under sedation and analgesia, and injecting tumescent anaesthesia. Lasers were programmed for emission in continuous mode with both systems operating at a power of 20W, reaching a total mean accumulated energy of between 10 and 12 kJ for flanks, and between 12 and 18 kJ for the abdomen. Subjective and objective evaluation was carried out using a GAIS scale (Global Aesthetic Improvement Scale). Photographs were taken before, 1 and 6 months after procedures. For the abdomen ultrasound examination were done before and 6 months after surgery, and Student’s t-test was implemented for the statistical analysis. In 60 patients, randomly chosen as a representative sample, digital photographs of the skin surface were taken in order to comparatively evaluate skin texture-laxity condition, before, 1 and 6 months after surgery with the aid of a computer programme. No ischemia or burns were observed in any patient. According to ultrasound exam, decrease in fat tissue was statistically significant (p<0,05) when compared to 6 months after surgery. Evaluation by an independent doctor to the study, before and 6 months after photographs as well as the skin texture-laxity, were Good and Very Good. Subjective results obtained through questionnaires using GAIS scale reached 57,1% (194 patients) satisfied with results, totalling the Good and Very Good results. However, the objective evaluation, done by the Doctor, was significantly better regarding results obtained, 74% (252 patients). In conclusion, laser assisted liposuction is an effective and reproducible technique that obtains notable results when patients presented localized fat deposits and did not suffer diastasis due to multiple pregnancies. It is also important that, ideally, patients selected should not have a BMI of over 26 in order to obtain optimal results.
关键词： Laser lipolysis,Liposuction,Laser-assisted liposuction
更新于2025-09-04 15:30:14