EXACT LASER FLUENCE FOR SUCCESSFUL TREATMENT OF FACE AND LEG TELANGIECTASIA

The aim: Facial and leg telangiectasia are usual cosmetic concern for females who have different skin phototypes and ages. Until now, the various treatments for these problem have frequently failed or led to unwanted side-effects. Based on approved pre-calculated doses, the present study highlights the clinical effects and safety of treatment after using the exact laser parameters from 1064-nm Nd: YAG laser. Materials and methods: Twenty people with facial and leg telangiectasia underwent a single laser treatment, based on pre-calculated laser parameters for each case. Results: All subjects showed visible improvement, with 95–100% clearance of face telangiectasia directly after the first treatment, and 50–100% clearance of the lower extremity vessels after one to three days; with minimal side-effects. Conclusions: Treatment of facial and leg telangiectasia by using true, exact, and mathematically pre-calculated parameters of long pulse 1064 nm Nd: YAG laser was an effective and safe procedure of clearing face and leg telangiectasia.

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LASER TATTOO REMOVAL COMPARISON BETWEEN 1064 AND 532 NM OF A Q-SWITCHEd Nd:YAG LASER TREATMENT

Jurnal Teknologi ◽

10.11113/jt.v78.7499 ◽

2016 ◽

Vol 78 (3) ◽

Author(s):

Nada Abusalah Almabrouk Imrigha ◽

Lau Pik Suan ◽

Shumaila Islam ◽

Ganesan Krishnan ◽

Noriah Bidin

Keyword(s):

Skin Biopsy ◽

Laser Treatment ◽

Laser Fluence ◽

Pulse Energy ◽

Single Pulse ◽

Skin Damage ◽

Laser Method ◽

Yag Laser ◽

Tattoo Removal ◽

532 Nm

Invention of the Q-switch advanced laser method is the most effective methods of tattoo removal compared to other methods of i.e. chemical, mechanical and surgical. In this study, we are reporting black pigment tattoo removal by comparing two wavelengths 532 nm and 1064 nm of Q-switched Nd-YAG laser. Using a single-pulse laser at 1064 nm wavelength, the maximum laser fluence for skin damage is 3.04 J/cm2 with pulse energy 0.55 J. While, at 532 nm wavelength, maximum laser fluence is 0.5 J/cm2 with pulse energy 0.42 J at 8-10 ns for tattooed skins. Moreover, after 1064 nm and 532 nm laser irradiations, skin biopsy of black tattooed rat’s skin demonstrates the ink granules local redistribution. Microscopic study indicates that black ink particles become smaller and vanished from the skins after 1064 nm laser treatment. The findings of this study indicate that 1064 nm wavelengths of Q-switched Nd-YAG laser treatment with 0.55 J pulse energy, is one of the significant methods of black tattoo removal with remarkable differences.

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Different Numbers of Long-Pulse 1064-nm Nd-YAG Laser Treatments for Onychomycosis: A Pilot Study

BioMed Research International ◽

10.1155/2020/1216907 ◽

2020 ◽

Vol 2020 ◽

pp. 1-9

Author(s):

Rui-na Zhang ◽

Feng-lin Zhuo ◽

Dong-kun Wang ◽

Li-zhi Ma ◽

Jun-ying Zhao ◽

...

Keyword(s):

Pilot Study ◽

Side Effects ◽

Efficacy Rate ◽

Yag Laser ◽

Significant Difference ◽

Laser Treatments ◽

Clinical Benefits ◽

Group A ◽

Group B ◽

Long Pulse

Purpose. To examine the benefits of different numbers of 1064-nm Nd-YAG laser treatments in patients with onychomycosis. Methods. This was a pilot study of patients with onychomycosis who were divided into three groups: four treatment sessions (group A), eight sessions (group B), and 12 sessions (group C). Only infected nails of degrees II–III (Scoring Clinical Index for Onychomycosis) were included. Treatment was given once a week using a long-pulse Nd-YAG 1064-nm laser. Patients were followed at 8, 16, and 24 weeks after the first treatment. Side effects were recorded. Results. Treatments were completed for 442 nails in 102 patients. The efficacy rates at 8, 16, and 24 weeks were 35.5%, 38.7%, and 37.4% for group A; 31.4%, 41.7%, and 44.0% for group B; and 27.7%, 50.0%, and 55.4% for group C, respectively. There was a significant difference in the efficacy rate at 24 weeks (P=0.016) between groups A and C, but not for groups A vs. B, or for groups B vs. C. No difference in the efficacy rate at 8 or 16 weeks was observed among the three groups. In all three groups, the efficacy was better for degree II nails than for degree III nails (all P<0.05). No side effects occurred. Conclusions. The 1064-nm Nd-YAG laser had clinical benefits against onychomycosis. Higher numbers of treatments provided better long-term (24-week) benefits, but had no impact on the short-term outcomes. The efficacy of laser treatment on degree II onychomycosis was better than for degree III.

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Complications of fractional ablative carbon dioxide laser in various aesthetic procedures: a retrospective study

International Journal of Research in Dermatology ◽

10.18203/issn.2455-4529.intjresdermatol20194657 ◽

2019 ◽

Vol 5 (4) ◽

pp. 664 ◽

Cited By ~ 1

Author(s):

Jasleen Kaur ◽

Saurabh Sharma ◽

Tanreet Kaur ◽

Roopam Bassi

Keyword(s):

Retrospective Study ◽

Side Effects ◽

Laser Treatment ◽

Carbon Dioxide Laser ◽

Laser System ◽

Subjective Assessment ◽

Safe Procedure ◽

Subjective Score ◽

Acne Scarring ◽

Delayed Complications

Background: Though fractionated CO2 laser technology resurface patients with a lower rate of complications than non-fractionated ablative laser treatment, adverse effects can still occur even with the best technology.Methods: In this retrospective study we evaluated 65 patients for early and delayed complications after laser treatment with Sellas Cis-Fl™ fractional CO2 laser system of wavelength 106400 nm for various aesthetic indications over the period of 12 months from October 2017 to September 2018. Follow up was done for the period of 2 months after the last session to determine the nature and frequency of various complications. Patient’s subjective assessment of the complications was recorded in the form of patient subjective score (PSS) which ranged from 1 to 10.Results: In the current study, the most common aesthetic indication for fractional CO2 laser was post acne scarring (38.4%). The most common early side effects reported were erythema (95.38%) and burning sensation (92.30%) after the procedure. Post procedural dryness and edema was seen in 72.3% and 69.23% patients. Among the delayed complications most frequently observed was persistent erythema (46.15%) followed by post inflammatory hyperpigmentation (44.61%).Conclusions: Though fractional CO2 laser is relatively a safe procedure, undesirable sequelae may still occur as a result of inappropriate selection of laser parameter, injudicious patient selection, inadequate preoperative counselling and suboptimal postoperative care. Dermatologist should keep the possibility of all the side effects that can occur after fractional CO2 laser and must take appropriate precautions during the procedure to avoid them.

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Long-Term Follow-Up of Early Cochlear Implant Device Activation

Audiology and Neurotology ◽

10.1159/000512760 ◽

2021 ◽

pp. 1-11

Author(s):

Stefanie Bruschke ◽

Uwe Baumann ◽

Timo Stöver

Keyword(s):

Speech Recognition ◽

Side Effects ◽

Cochlear Implant ◽

Surgical Techniques ◽

Control Group ◽

First Year ◽

Safe Procedure ◽

Sound Processor

Background: The cochlear implant (CI) is a standard procedure for the treatment of patients with severe to profound hearing loss. In the past, a standard healing period of 3–6 weeks occurred after CI surgery before the sound processor was initially activated. Advancements of surgical techniques and instruments allow an earlier initial activation of the processor within 14 days after surgery. Objective: Evaluation of the early CI device activation after CI surgery within 14 days, comparison to the first activation after 4–6 weeks, and assessment of the feasibility and safety of the early fitting over a 12 month observation period were the objectives of this study. Method: In a prospective study, 127 patients scheduled for CI surgery were divided into early fitting group (EF, n = 67) and control group (CG, n = 60). Individual questionnaires were used to evaluate medical and technical outcomes of the EF. Medical side effects, speech recognition, and follow-up effort were compared with the CG within the first year after CI surgery. Results: The early fitting was feasible in 97% of the EF patients. In the EF, the processor was activated 25 days earlier than in the CG. No major complications were observed in either group. At the follow-up appointments, side effects such as pain and balance problems occurred with comparable frequency in both groups. At initial fitting, the EF showed a significantly higher incidence of medical minor complications (p < 0.05). When developing speech recognition within the first year of CI use, no difference was observed. Furthermore, the follow-up effort within the first year after CI surgery was comparable in both groups. Conclusions: Early fitting of the sound processor is a feasible and safe procedure with comparable follow-up effort. Although more early minor complications were observed in the EF, there were no long-term wound healing problems caused by the early fitting. Regular inspection of the magnet strength is recommended as part of the CI follow-up since postoperative wound swelling must be expected. The early fitting procedure enabled a clear reduction in the waiting time between CI surgery and initial sound processor activation.

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