Efficacy of intense pulse light and M22-ResurFx fractional laser on lateral crow＇s feet / 中华医学美学美容杂志

Objective:To evaluate the efficacy and patients＇ satisfaction of the intense pulse light (IPL) and M22-Resur Fx non-ablative fractional laser (NAFL) for the treatment of lateral static crow＇s feet.Methods:A prospective split-face, randomized, controlled study of 60 consecutive patients with lateral static crow＇s feet was performed. The patients aged 30 to 55 years, who were enrolled in the Department of Ophthalmology, Beijing Tongren Hospital, Capital Medical University from January 2018 to January 2020. The two sides of each patient＇s face were randomized to receive different treatment, and according to their treatment, the patients were divided into 3 groups with 20 cases each: Group A, in which 20 patients＇ one side face was treated with IPL, and other side was treated with NAFL; Group B, in which one side face was treated with IPL, and another side was treated with IPL immediately followed by NAFL; Group C, in which one side face was treated with NAFL, and another side was treated with IPL immediately followed by NAFL. The improvements including the water content of stratum corneum of skin and the patients＇ satisfaction, as well as the improvement of the lateral static crow＇s feet were evaluated.Results:The IPL plus NAFL combined treatment group and the NAFL treatment group showed the effective rate of the improvement for lateral static crow＇s feet of patients on days 60 and 90 was statistically significant ( P<0.05) compared with that before the treatment. And the improvement for lateral static crow＇s feet of patients on days 60 and 90 in combined treatment side was significantly different from either NAFL side ( P<0.05). 60 days and 90 days after treatment, the satisfaction of combined treatment side was significantly higher than that of either NAFL side or IPL side ( P<0.05). Conclusions:The treatment with an optimized IPL immediately followed by a NAFL is clinically superior to those with the NAFL or IPL alone for improving the lateral static crow＇s feet of patients. The satisfaction treated by NAFL combined with IPL is higher than using the NAFL or IPL alone.

Clinical effects and safety of Lux 1540 nm non-stripping array laser in treatment of facial skin rejuve-nation / 中华医学美学美容杂志

Objective To explore the application of Lux1540 nm non-stripping array laser in fa-cial rejuvenation .Methods A total of 100 patients were collected for Lux1540 nm non stripped lattice laser treatment in patients with facial skin aging ,once a month ,totally four times treatment ;1 month after the treatment ,the skin of patients was analyzed by skin image analyzer VISIA for quantitative e-valuation .Results After 4 treatments ,the skin wrinkles ,texture ,pores ,skin roughness ,brown spots ,erythrocyte and purple spots were all improved ,with statistically significant differences (P <0 .05) ,while the changes of ultraviolet spots were not obvious ,and the differences were not statistical-ly significant (P > 0 .05) .After treatment ,80 patients were satisfied ,17 were comparatively satisfied , and 3 were dissatisfied ,with a satisfactory rate of 97％ .All patients had needle-like pain during the treatment ,which could be tolerated without local anesthesia ointment .Ice compress was given after treatment ,which significantly alleviated the discomfort after treatment .Only 3 cases had mild pig-mentation .During the treatment and follow-up ,no adverse events such as skin redness and swelling , pigmentation and pruritus were found .Conclusions Lux1540 nm non-ablative dot array laser has posi-tive efficacy ,high safety and few side effects in facial rejuvenation ,and it is an effective method to treat facial skin aging .

An optimized intense pulsed light combined with a non-ablative 1 565 nm fractional laser for facial rejuvenation: a randomized, controlled, split-face study / 中华皮肤科杂志

Objective To evaluate the safety and efficacy of the combined treatment with an optimized intense pulsed light (IPL) and a non-ablative fractional laser (NAFL) for facial rejuvenation.Methods A prospective,split-face,randomized,controlled study was conducted.A total of 22 testees with facial photoaging,who aged from 35 to 55 years,were enrolled into this study from the Department of Dermatology of Peking University First Hospital between March and June in 2017.By a random number table,the two sides of each testee's face were randomized to receive combined treatment with optimized IPL immediately followed by non-ablative 1 565 nm Erbium:Glass fractional laser (combined treatment group) or non-ablative 1 565 nm Erbium:Glass fractional laser alone (NAFL group) once every month for 3 sessions.Before the treatment,60 and 90 days after the treatment (1 month after the second and third treatment respectively),photos of the treatment regions were taken,skin physiology parameters (including skin melanin,erythema indices,water content of the stratum corneum,transepidermal water loss [TEWL],skin flexibility and glossiness) were measured,and subjective and objective clinical evaluation was carried out.After each treatment,adverse reactions were assessed by two dermatologists independently,including facial erythema,swelling and crusting,desquamation,pigmentation and pains.Results During the treatment course,1 testee dropped out due to pains,another 1 testee dropped out for personal reasons,and 20 testees completed the treatment and follow-up.The combined treatment group showed significantly decreased melanin indices on days 60 and 90 (152.9 ± 36.9 and 155.0 ± 38.1,respectively) compared with that before the treatment (168.4 ± 41.3,F =5.321,P ＜ 0.05).On day 60,the melanin index was significantly lower in the combined treatment group than in the NAFL group (159.4 ± 35.3,P ＜ 0.05).However,the melanin indices on days 60 and 90 in the NAFL group (159.4 ± 35.3,156.7 ± 36.3) did not significantly differ from that before the treatment (165.9 ± 35.4,P ＞ 0.05).No significant difference was observed between the pre-and post-treatment erythema indices in either of the two groups (both P ＞ 0.05).The water content of the stratum corneum on days 60 and 90 significantly increased compared with that before the treatment in both the combined treatment group (F =21.795,P ＜ 0.001) and NAFL group (F =21.798,P ＜ 0.001),while the TEWL on days 60 and 90 significantly decreased compared with that before the treatment in both the combined treatment group (F =8.848,P =0.001) and NAFL group (F =5.833,P ＜ 0.05).However,there were no significant differences in either of the water content of the stratum corneum or TEWL on days 60 and 90 between the two groups (P ＞ 0.05).On days 60 and 90,the combined treatment group and NAFL group both showed significantly increased skin flexibility (P＜ 0.05,0.001,respectively) and glossiness (both P ＜ 0.001) compared with those before the treatment.On day 90,the skin glossiness in the combined treatment group was higher than that in the NAFL group (P ＜ 0.05).The short-term adverse reactions included transient pain,erythema and swelling which lasted 2-3 days,and slight desquamation.The main adverse reaction was mild local pigmentation,which lasted 2-3 months and then subsided gradually.Conclusion The 3 sessions of treatment with an optimized IPL immediately followed by a 1 565 nm NAFL is clinically superior to those with the NAFL alone for improving the facial pigmentation and skin glossiness,and the adverse reactions are usually transient and mild.

A Randomized Split-face Study Comparing the Efficacy of Combined-diode Laser/Bipolar Radiofrequency (Polaris™) vs. Combined-diode Laser/Bipolar Radiofrequency (Polaris™) Combined with a Non-ablative 1,550-nm Fractional Erbium-glass Laser (Mosaic™) i / 대한피부과학회지

BACKGROUND: Multiple therapies involving ablative and nonablative techniques have been developed for the rejuvenation of photodamaged skin. Radiofrequency (RF) is emerging as a gentler, nonablative skin-tightening device that delivers uniform heat to the dermis at a controlled depth. OBJECTIVE: To compare the efficacy of bipolar radiofrequency (Polaris™) and 1,550-nm fractional erbium-glass laser (Mosaic™) for the treatment of photoaging using a randomized, split-face, patient- and evaluator-blind study. METHODS: We evaluated the clinical effects after the treatment of photoaging. Ten Asian women (Fitzpatrick skin type III to IV) underwent 9 weeks of treatment (3 sessions at 3-week intervals) with monotherapy (Polaris™) on one side of the face and combination therapy with non-ablative bipolar radiofrequency (Polaris™) and 1,550-nm fractional erbium-glass laser (Mosaic™) on the other side. RESULTS: Among 10 patients, 4 were male and 6 were female. Subjective and objective assessments showed that the combination therapy was more effective. As the number of the treatment sessions increased, there was an accompanying increase in the satisfaction level and efficacy. CONCLUSION: This study suggests that bipolar radiofrequency combined with 1,550-nm fractional erbium-glass laser could be effective treatment for photoaging.

Clinical effectiveness of 1540nm non-ablative erbium laser in treatment of xanthelasma palpebrarum / 中华医学美学美容杂志

Objective Xanthelasma palpebrarum presents a therapeutic and aesthetic challenge because of its high visibility and frequent rate of recurrence with a wide variety of treatments.Many patients were disappointed by an initial unsuccessful treatment and fail to return for further therapy until the problem had become quite conspicuous.So a simple treatment with few side effects and good acceptance remains an important goal.Methods Eleven patients with xanthelasma lesions were treated with the 1540nm erbium:glass laser.We could see erythema and swell around the skin lesion immediately.It needed irradiate again after one month if there was residual lesion.The end point was the lesions completely removed.The therapeutic effect of 1540nm erbium laser,the adverse reaction and the satisfaction of patients were observed.Results All lesions were removed without hyperpigmentation or scarring.Conclusions The 1540 nm erbium:glass laser represents an effective means for treating xanthelasmas with few side effects and good acceptance.

A Case of Refractory Vitiligo That Was Treated with a Combination of Non-ablative 1550-nm Erbium:Glass Fractional Laser, Narrow-band UVB, and a Topical Agent / 대한피부과학회지

There are many therapeutic methods for treating vitiligo, including narrow-band UVB, topical corticosteroids, calcineurin inhibitors, excimer laser, and surgical methods, such as autologous epidermal grafting and dermabrasion. However, although various treatments have been tried, there is still no reliable treatment. Recently, there were several reports about the use of fractional laser combined with narrow-band (NB) UVB to treat vitiligo. A 33-year-old male patient presented with hypopigmented patch on lower right abdominal area. After being diagnosed with vitiligo, the patient underwent NB-UVB treatment and application of a topical agent for two years but failed to show response. To evaluate the efficacy of non-ablative fractional laser, a 1550-nm erbium:glass (Er:Glass) fractional laser was applied to whole area of the lesion. The area showed erythema and brown microscopic epidermal necrotic debris. Five days after the laser procedure, NB-UVB treatment with application of a topical agent was initiated once or twice a week, followed by pigmentation of the treated area . The fractional laser was reapplied three months later, and the patient is currently under observation and is still being treated with NB-UVB. We observed successful treatment of refractory vitiligo with the combination of non-ablative 1550-nm Er:Glass fractional laser, NB-UVB, and a topical agent. We consider non-ablative Er:Glass fractional laser as a favorable choice of treatment for refractory vitiligo.

Efficacy of non-ablative 1550-nm fractional laser on acne scars / 中华医学美学美容杂志

Objective To evaluate the clinical efficacy of the non-ablative 1550 nm fractional laser on post-acne atrophic scarring and post-acne erythema.By following up,the correlative factors were analyzed to guide the further use of the non-ablative 1550 nm fractional laser.Methods Twentyseven patients who received the non-ablative 1550 nm fractional laser therapy from Dec.2011 to June 2013 were enrolled in this retrospective study.We used a quartile grading scale for evaluation of postacne atrophic scarring and post-acne erythema.Results The effective rate was 13.0％ (3/23) for post-acne atrophic scarring and 44.0％ (11/25) for post-acne erythema.Nonparametric test showed that there was no statistical correlation of the efficacy with gender,age and courses of disease.But there was positive correlation between efficacy and treatment frequencies on post-acne erythema (r=0.619,P＜0.05).No severe adverse effect was observed.Conclusions We suggest that the nonablative 1550 nm fractional laser may provide a new treatment algorithm in some cases of post-acne atrophic scar and post-acne erythema.

Non-ablative photorejuvenation by using radio frequency: an in vivo experiment study / 中华医学美学美容杂志

Objective To evaluate the change of the amount of collagen in the viemedic RF ASC01IC non-ablative photorejuveantion,in order to provide reference for effective clinical treatment.Methods Twenty rats were randomly divided into two groups,with ten rats in each group.The rats'skin was dividied into two areas by spine.The left side was used as control,and the right side was experiment side,which was treated with RF by viemedic RF ASC011C for five times at interval of seven days,and ten minutes in each time.The content of collagen in the dermis was measured by immunohistochemical method,the thickness of collagen bundles in the dermis was measured under HE staining and the quantity of collagen fibers was compared by collagen fibers staining.Results Epidermis was more smooth,the collagen fiber was thicker and the content of fibroblasts,collagen was higher in experiment side.Image quantitative analysis showed significant improvement in area density of collagen fibers.Conclusions RF is a very safe and effective method for non-ablative photorejuvnation.

Rejuvenecimiento no ablativo / Non ablative rejuvenation

La estética facial y el rejuvenecimiento se han desarrollado rápidamente debido a cambios en los productos, procedimientos y datos demográficos de los pacientes. Los clínicos pueden beneficiarse guiando en el uso de los productos, adaptando tratamientos a pacientes individuales, tratando múltiples áreas faciales, usando las combinaciones de productos para optimizar resultados. Cuando estas técnicas son combinadas, los resultados son superiores al empleo de terapias individuales. Las terapias posibles de combinar son: toxina botulínica, agentes de rellenos, peelings químicos, luz pulsada intensa láser ablativo y no ablativo. Recientemente, una variedad de sistemas de láser está disponible, que permiten un remodelamiento dérmico selectivo sin la disrupción de la superficie epidérmica. Más recientemente, el expertisse de los médicos con los sensibilizantes tópicos y las fuentes luminosas empleadas en la terapia fotodinámica ha conducido a mayores usos, incluyendo su empleo para la mejoría de los signos visibles del fotoenvejecimiento.

Facial aesthetics and rejuvenation are evolving rapidly due to changes in products, procedures and patients demographics. Clinicians can benefit from ongoing guidance on products, tailoring treatments to individual patients, treating multiple facial areas, using combinations of products to optimize outcomes. When these techniques are combined, the results are superior to the use of individual therapies alone. The possible combination therapies are: botulium toxin, fillers agents, chemicals peels, intense pulsed light, nonablative and ablative lasers. A variety of laser systems have recently become available that allow for selective dermal remodeling without disruption of the epidermal surface. More recently, increasing physician expertise with the topical sensitizers and light sources employed in photodynamic therapy has led to expanded applications, including its use for improvement of the visible signs of photoaging.

1,550-nm Non-ablative Fractional Erbium-Glass Laser in the Treatment of Facial Inflammatory Acne: A Preliminary Study / 대한피부과학회지

BACKGROUND: Topical and systemic drugs have been successfully used in the treatment of acne. However, many people are concerned about the side effects of these medicines, especially the childbearing women. Recent reports demonstrated that sequential treatment with laser- and light-based devices lead to a clinical improvement in acne. Recently, we witnessed experienced a case of improvement of inflammatory acne lesions during the treatment of acne scars using a 1,550-nm non-ablative fractional erbium-glass laser. OBJECTIVE: This study was designed to investigate the efficacy and safety of 1,550-nm non-ablative fractional erbium-glass laser in the treatment of facial inflammatory acne vulgaris. METHODS: 11 patients with facial inflammatory acne vulgaris were recruited. These patients received three treatment sessions at a 3-week interval. Inflammatory lesions were counted before and after treatment. The sebum production was quantified using the Sebumeter(R). We graded the patients' self-assessment and the investigator's global assessment using a five-point scale used by the dermatologist. We also investigated the histological changes after the treatment sessions, and the adverse effects during the study. RESULTS: Treatment with 1,550-nm non-ablative fractional erbium-glass laser was well tolerated, resulting in the reduction of inflammatory lesions by 61% (p<0.05). However, the reduction in sebum production from the baseline was not statistically significant. Histopathologic examination of the inflammatory lesions showed a marked decrease in the dermal inflammatory cell infiltration around the perivascular and periappendageal area and the sebaceous glands became smaller after laser treatments. Side-effects were minimal, and were resolved within a few days. CONCLUSION: 1,550-nm non-ablative fractional erbium-glass laser was safe and effective for the treatment of facial inflammatory acne lesions.

Non-ablative skin rejuvenation using Nd: YAG laser and intense pulsed light / 中华医学美学美容杂志

Objective To observe the histological change of different waves in treating SD rats of the long-pulse 1064nm Nd:YAG laser and the 560～1200 nm intense pulse light,in order to provide the theory bases of non-ablative rejuvenation.Methods Two waves were used on experimental mice.The dermic thickness and the expression of collagen typesⅠand Ⅲwere detected by HE stain and immunohistochemical methods. Semiquantitative analysis was used to determine the mean of absorbance.Results Thedermal thicknesses and the mean of absorbance of collagen typesⅠandⅢin two different waves were higher than those in common control groups(P＜0.05).The effect of Nd:YAG laser groups were higher than IPL groups(P＜0.05).The expression of collagen typeⅠwas higher than that of collagen type Ⅲ(P＜0.001).Conclusion After Nd:YAG laser or IPL irradiation,the dermal thickness and collagen typesⅠandⅢof SD rats are increased.The effects of Nd:YAG laser are better than those of 560～1 200 nm IPL.The expression of collagen type Ⅲ is obviously more than that of collagen typeⅠin the early,whereas the expression of collagen typeⅠis obviously more than that of collagen type Ⅲin the later.It proves that the mechanism of dermal remodeling of non-ablative skin rejuvenation is mainly correlation with raising range and time of collagen typeⅠ.

Second allogeneic peripheral blood stem cell transplants with reduced-intensity conditioning / Segundos trasplantes hematopoyéticos con esquemas de acondicionamiento de intensidad reducida

In two institutions in México, twelve patients were given a second allogeneic stem cell transplantation, using the "Mexican" non-myeloablative preparative regimen. Eight had a malignant condition (six acute leukemias, one myelofibrosis and one myelodysplasia), eleven individuals were allografted twice from the same donor and in one case, cells from two different umbilical cords were used. The median time to conduct the second allograft after the first one was 6 months (range 1-41). The five patients who failed to engraft after the first transplant failed also to engraft after the second one; all of them had been heavily transfused. Only three patients were successfully rescued with the second transplant, two with acute leukemia and one with aplastic anemia. Seven patients are alive 10-41 months (median 35) after the second transplant, but only three (25%) remain disease-free. The 52-month overall survival (SV) of the patients is 58%, whereas the median overall SV has not been reached, being above 52 months. Conducting a second allograft may be useful to rescue some individuals relapsing after a first hematopoietic allotransplant.

En dos instituciones en México se llevaron a cabo doce segundos trasplantes de células hematopoyéticas usando el "método mexicano" de acondicionamiento no mieloablativo. Ocho pacientes tenían una enfermedad maligna (seis leucemias agudas, una mielofibrosis y una mielodisplasia). Once sujetos se retrasplantaron del mismo donador y en un caso se emplearon células hematopoyéticas de dos diferentes cordones umbilicales. La mediana del tiempo transcurrido entre los dos trasplantes fue de seis meses (rango 1 a 41). Los cinco pacientes que no se injertaron con el primer trasplante tampoco se injertaron con el segundo; todos ellos habían sido multitransfundidos antes de los trasplantes. Sólo tres pacientes se pudieron rescatar con el segundo trasplante, dos con leucemia aguda y uno con anemia aplástica. Siete pacientes están vivos 10 a 41 meses (mediana 35) después del segundo trasplante, pero sólo tres (25%) se encuentran libres de enfermedad. La supervivencia (SV) global a 52 meses es de 58%, en tanto que la mediana de SV no se ha alcanzado y es mayor de 52 meses. Hacer un segundo trasplante hematopoyético puede rescatar a algunos pacientes quienes recaen después de un trasplante de médula ósea.