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Post inflammatory hyperpigmentation

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https://read.qxmd.com/read/30745984/microneedling-therapy-for-atrophic-acne-scar-effectiveness-and-safety-in-vietnamese-patients
#1
Phuong Pham Thi Minh, Diep Dang Bich, Van Nguyen Thi Hai, Thuong Nguyen Van, Van Tran Cam, Tran Hau Khang, Marco Gandolfi, Francesca Satolli, Claudio Feliciani, Michael Tirant, Aleksandra Vojvodic, Torello Lotti
AIM: To evaluate the effectiveness and safety of micro-needling therapy in atrophic acne scar treatment. METHOD: A prospective, single centred study was implemented in a total of 31 patients suffering from atrophic acne scar grade 2 to 4 of Goodman and Baron scaring grading system was recruited. They were treated by microneedle derma roller every week in 3 months. The scars were evaluated by a magic system camera and by dermatologists clinically using Goodman and Baron scaring grading system, and Lipper and Perez score at baseline, at final treatment, 1 month and 2 months after the final treatment...
January 30, 2019: Open Access Macedonian Journal of Medical Sciences
https://read.qxmd.com/read/30745955/successful-treatment-of-facial-atrophic-acne-scars-by-fractional-radiofrequency-microneedle-in-vietnamese-patients
#2
Cuc Nguyen Thi Kim, Lan Pham Thi, Thuong Nguyen Van, Phuong Pham Thi Minh, Minh Vu Nguyet, Mai Le Thi, Nghi Dinh Huu, Khang Tran Hau, Marco Gandolfi, Francesca Satolli, Claudio Feliciani, Aleksandra Vojvodic, Michael Tirant, Torello Lotti
AIM: This study aimed to evaluate the effect of the fractional Radiofrequency microneedle treatment for facial atrophic acne scars. METHODS: A group of 52 patients were recruited for the study. Goodman & Baron's acne scar grading system was used for assessment at their first visit and the end of 3 months after the last treatment session. RESULTS: The results displayed that 73.1% of patients have the improvement of the Goodman scar level after four times of treatment...
January 30, 2019: Open Access Macedonian Journal of Medical Sciences
https://read.qxmd.com/read/30681791/novel-tretinoin-0-05-lotion-for-once-daily-treatment-of-moderate-to-severe-acne-vulgaris-in-a-hispanic-population
#3
Fran E. Cook-Bolden, Susan H. Weinkle, Eric Guenin, Varsha Bhatt
Background: Acne vulgaris (acne) is the most common dermatologic disease seen in a racially, geographically, politically, culturally, and socioeconomically diverse Hispanic population. Despite their growing demographics in the US, there are few studies evaluating acne treatment in this population. Potential for skin irritation and dryness, as well as pigmentary changes are key concerns. The first lotion formulation of tretinoin was developed using novel polymerized emulsion technology to provide an important alternative option to treat these acne patients who may be sensitive to the irritant effects of other tretinoin formulations...
January 1, 2019: Journal of Drugs in Dermatology: JDD
https://read.qxmd.com/read/30614013/comparison-between-topical-recombinant-human-epidermal-growth-factor-and-aloe-vera-gel-in-combination-with-ablative-fractional-carbon-dioxide-laser-as-treatment-for-striae-alba-a-randomized-double-blind-trial
#4
Wareeporn Disphanurat, Arisa Kaewkes, Worapop Suthiwartnarueput
OBJECTIVES: Striae distensae are linear atrophic dermal scars. Despite several currently available therapeutic modalities, no consistently effective therapies have been established. This study aimed to evaluate and compare the efficacy of topical recombinant human epidermal growth factor (rhEGF) and ablative fractional carbon dioxide (CO2 ) laser (AFXL) versus ablative fractional CO2 laser and topical Aloe vera gel in treating striae alba. METHODS: A total of 24 participants with striae alba were enrolled...
January 6, 2019: Lasers in Surgery and Medicine
https://read.qxmd.com/read/30597682/the-ultraviolet-b-inflammation-model-postinflammatory-hyperpigmentation-and-validation-of-a-reduced-uvb-exposure-paradigm-for-inducing-hyperalgesia-in-healthy-subjects
#5
P S Siebenga, G van Amerongen, E S Klaassen, M L de Kam, R Rissmann, G J Groeneveld
BACKGROUND: Pain models are commonly used in drug development to demonstrate analgesic activity in healthy subjects and should therefore not cause long-term adverse effects. The ultraviolet B (UVB) model is a model for inflammatory pain in which three times the minimal erythema dose (3MED) is typically applied to induce sensitisation. Based on reports of long-lasting postinflammatory hyperpigmentation (PIH) associated with 3MED, it was decided to investigate the prevalence of PIH among subjects who were previously exposed to 3MED at our research centre...
December 29, 2018: European Journal of Pain: EJP
https://read.qxmd.com/read/30534906/-experience-in-visceral-cutaneous-and-cutaneous-loxoscelism-of-hospital-management-clinical-evolution-and-therapeutic-proposal
#6
Constanza Del Puerto, Cristóbal Saldías-Fuentes, Maximiliano Curi, Camila Downey, Romina Andino-Navarrete
BACKGROUND: Loxoscelism is a common pathology in our environment with a broad spectrum of differential diagnoses and presentations, with potentially serious complications, even to the point of death. To date, there is no standard treatment for these patients. AIM: To describe the clinical manifestations, main complications, therapeutic management, and evolution of loxoscelism in an inpatient setting from a tertiary hospital in Chile. METHODS: All patients consulting and hospitalized in the hospital of the Pontificia Universidad Católica de Chile with diagnosis of loxoscelism between 2014 to 2017 and evaluated by dermatologist were included...
2018: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://read.qxmd.com/read/30497518/effect-of-urea-extracted-sericin-on-melanogenesis-potential-applications-in-post-inflammatory-hyperpigmentation
#7
Pornanong Aramwit, Natthanej Luplertlop, Tapanee Kanjanapruthipong, Sumate Ampawong
BACKGROUND: Hyperpigmentation disorders such as post-inflammatory hyperpigmentation are major concerns not only in light-skinned people but also in Asian populations with darker skin. The anti-tyrosinase and immunomodulatory effects of sericin have been known for decades. However, the therapeutic effects of sericin on hyperpigmentation disorders have not been well documented. METHODS: In this study, we used an in vitro model to study the anti-tyrosinase, tolerogenic, and anti-melanogenic effects of sericin on Staphylococcus aureus peptidoglycan (PEG)-stimulated melanocytes, dendritic cells (DCs), and artificial skin (MelanoDerm™)...
November 29, 2018: Biological Research
https://read.qxmd.com/read/30481955/clinical-evaluation-of-safety-and-efficacy-of-fractional-radiofrequency-facial-treatment-of-skin-type-vi-patients
#8
Eliot Battle, Sally Battle
INTRODUCTION: It has been well established that patients with darker skin types (Fitzpatrick skin types IV-VI) have an increased incidence of thermal induced side effects from laser and radio frequency (RF) treatments. Complications include a higher risk of post-inflammatory hyperpigmentation, hypopigmentation, and scarring, leading to unsatisfactory clinical outcomes. Fractional technologies improve the safety when treating patients with skin of color by treating only fractions of the skin while leaving a healing reservoir of untreated skin that improves the healing process...
November 1, 2018: Journal of Drugs in Dermatology: JDD
https://read.qxmd.com/read/30481954/hybrid-fractional-laser-a-multi-center-trial-on-the-safety-and-efficacy-for-photorejuvenation
#9
Jill Waibel, Jason Pozner, Christopher Robb, Elizabeth Tanzi
BACKGROUND: Laser skin resurfacing has continued to evolve over the past two decades. One of the most recent advances included a hybrid fractional laser resurfacing system that can sequentially utilize two wavelengths in its delivery, non-ablative coagulation with 1470 nm, and ablative vaporization with 2940 nm. The 1470 nm laser wavelength is absorbed by water, which is ideal for creating controlled zones of coagulation to chosen depths into the dermis up to 700 micrometers. The 2940 nm laser wavelength has a large water absorption coefficient, which results in precise ablation as desired in the epidermis up to 110 micrometers...
November 1, 2018: Journal of Drugs in Dermatology: JDD
https://read.qxmd.com/read/30481953/the-safety-of-laser-skin-resurfacing-with-the-microablative-carbon-dioxide-laser-and-review-of-the-literature
#10
Deborah Sarnoff, Robert Gotkin, Laura Doerfler, Cheryl Gustafson, C William Hanke
OBJECTIVE: The aim of this study was to evaluate the incidence of adverse effects following laser skin resurfacing with the microablative carbon dioxide (CO2) laser system (SmartXide DOT; DEKA, Calenzano, Italy). METHODS: A retrospective chart review was performed. Data was collected for DOT laser procedures performed at three clinical centers from 2008-2014. Results: Of the 1,081 DOT laser procedures, there were 13 complications (1.3% of all cases), which included eleven cases of prolonged erythema and two cases of post-inflammatory hyperpigmentation...
November 1, 2018: Journal of Drugs in Dermatology: JDD
https://read.qxmd.com/read/30426810/survey-of-acne-related-post-inflammatory-hyperpigmentation-in-the-middle-east
#11
A Abanmi, M Al-Enezi, A Al Hammadi, I Galadari, A-G Kibbi, S Zimmo
AIM: Acne vulgaris is a common inflammatory skin disease in the Middle East, similar to other regions of the world. In the Middle East, there are a relatively large proportion of patients with darker pigmentation (Fitzgerald skin types III-VI) who are prone to developing post-inflammatory hyperpigmentation (PIH) as a sequela of acne. Data are sparse on the frequency and characteristics of PIH throughout the world. What information is available indicates that pigmentation problems can be very bothersome for patients and are often quite long-lasting...
November 14, 2018: Journal of Dermatological Treatment
https://read.qxmd.com/read/30365592/treatment-of-moderate-acne-vulgaris-in-fitzpatrick-skin-type-v-or-vi-efficacy-and-tolerability-of-fixed-combination-clindamycin-phosphate-1-2-benzoyl-peroxide-3-75-gel
#12
Laetitia Amar, Leon H Kircik
BACKGROUND: Acne vulgaris (acne) is the most common skin disease in patients who have darker skin with most frequent sequelae of post inflammatory hyperpigmentation (PIH). METHODS: Open label study in 20 patients (mean age 32 years) with Fitzpatrick Skin Type V or VI and with moderate facial acne treated with clindamycin phosphate 1.2%/benzoyl peroxide 3.75% gel (CL-BP 3.75%) once-daily for 16 weeks. Assessments included improvement in Investigator Global Assessment (IGA) of acne severity, PIH severity and distribution, and lesion count reduction...
October 1, 2018: Journal of Drugs in Dermatology: JDD
https://read.qxmd.com/read/30357871/evaluation-of-the-safety-and-efficacy-of-the-dual-wavelength-picosecond-laser-for-the-treatment-of-benign-pigmented-lesions-in-asians
#13
Ka-Yee Kung, Samantha Y-N Shek, Chi K Yeung, Henry H-L Chan
BACKGROUND AND OBJECTIVES: Cutaneous pigmentary disorders are both more common and more difficult to treat in patients with skin color given the higher melanin content in the epidermis. Although Q-switched lasers are widely considered to be the standard treatment for both epidermal and dermal pigmentary conditions, a very high risk of post-inflammatory hyperpigmentation (PIH) of up to 25% is seen in patients with skin of color. Recently, the novel picosecond laser with pulse durations operating at sub-nanosecond domains has been shown to be effective in tattoo removal and in the treatment of acne scars...
October 25, 2018: Lasers in Surgery and Medicine
https://read.qxmd.com/read/30321078/efficacy-of-fractional-carbon-dioxide-laser-versus-microneedling-in-the-treatment-of-striae-distensae
#14
Mona Soliman, Mohamed Mohsen Soliman, Amira El-Tawdy, Hoda Sayed Shorbagy
BACKGROUND: Fractional photothermolysis is creation of microscopic thermal zones of controlled depth, width and density. Microneedling is a simple treatment modality to reduce striae distensae. OBJECTIVE: Evaluate and compare the efficacy of fractional carbon dioxide laser and microneedling as a treatment of striae distensae. METHODS: Individuals with striae distensae received three split-body treatments at four-week intervals. The right side of the body was treated with fractional CO2 laser, while the other side with microneedling...
October 15, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://read.qxmd.com/read/30321072/sterile-pustulosis-as-a-rare-side-effect-of-fractional-bipolar-radiofrequency-device-a-case-report
#15
Sandhya Deverapalli, Nellie Konnikov
Fractional bipolar radiofrequency technology is associated with minimal downtime and rare side effects and become an increasingly popular tool in aesthetic dermatology practices. There is limited damage to the epidermis, and side effects such as post-inflammatory hypo/hyperpigmentation are rare. Transient erythema, edema, crusting, and persistent inflammatory papules have been previously reported. We report a rare case of sterile follicular pustulosis following treatment with bipolar fractional radiofrequency (eTwo technology)...
October 15, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://read.qxmd.com/read/30320904/long-pulsed-dye-laser-with-a-back-to-back-double-pulse-technique-and-compression-for-the-treatment-of-epidermal-pigmented-lesions
#16
Jessica G Labadie, Aleksandar L Krunic
BACKGROUND: In the recent past, long pulsed dye lasers (LPDL) have been investigated for the treatment of epidermal pigmented lesions (EPLs). Using a pigmented lesion compression headpiece, blood is pushed laterally out of the laser field focusing laser energy on melanin. Recent studies have demonstrated excellent responses using a single-pulse at the following settings: 9-12 J/cm2 , 1.5 milliseconds, 7-10 mm spot size with compression. However, the majority of these studies report patients requiring up to four treatments for lesion resolution...
October 15, 2018: Lasers in Surgery and Medicine
https://read.qxmd.com/read/30152538/efficacy-and-safety-of-picosecond-755-nm-alexandrite-laser-with-diffractive-lens-array-for-non-ablative-rejuvenation-in-chinese-skin
#17
Heidi Wat, Samantha Yee-Nam Shek, Chi Keung Yeung, Henry Hin-Lee Chan
BACKGROUND AND OBJECTIVES: The picosecond alexandrite laser with diffractive lens array (DLA) offers the dual advantages of a picosecond pulse duration and the fractionated delivery of laser energy. This study explores the efficacy and safety of the DLA for treatment of multiple aesthetic concerns associated with photoaging of the face including skin texture irregularities, dyspigmentation, enlarged pore size, rhytides, and skin laxity. METHODS: This prospective, evaluator-blinded trial enrolled Fitzpatrick skin type III-IV patients with mild to moderate signs of facial photoaging...
January 2019: Lasers in Surgery and Medicine
https://read.qxmd.com/read/30118905/photodynamic-therapy-for-rosacea-in-chinese-patients
#18
Lili Fan, Rui Yin, Ting Lan, Michael R Hamblin
BACKGROUND: Rosacea is a common chronic cutaneous disorder which is characterized by flushing, erythema, papulopustules and telangiectasia. The pathogenesis of the disease is still unknown. A multifaceted approach is necessary to control the disease because of its tendency to relapse. New more effective treatment options are desirable to achieve a complete remission. Aminolevulinic acid-photodynamic therapy (ALA-PDT) is a well-established treatment for non-melanoma skin cancer and precancerous lesions...
August 14, 2018: Photodiagnosis and Photodynamic Therapy
https://read.qxmd.com/read/30057662/patterns-of-over-the-counter-lightening-agent-use-among-patients-with-hyperpigmentation-disorders-a-united-states-based-cohort-study
#19
Dana S Saade, Mayra B C Maymone, Eric A Secemsky, Kevin F Kennedy, Neelam A Vashi
Background: Over-the-counter (OTC) lightening agents are commonly used to treat hyperpigmentation disorders. Objective: We sought to determine the characteristics, trends, and preferences of patients with hyperpigmentation disorders seeking OTC agents in the United States. Design: The study was a cross-sectional study of consecutive patients with a disorder of hyperpigmentation seen in a United States-based outpatient dermatology clinic. Multivariable logistic regression models were used to identify factors associated with the use of OTC lightening agents...
July 2018: Journal of Clinical and Aesthetic Dermatology
https://read.qxmd.com/read/29956440/the-effects-of-recombinant-human-epidermal-growth-factor-containing-ointment-on-wound-healing-and-post-inflammatory-hyperpigmentation-prevention-after-fractional-ablative-skin-resurfacing-a-split-face-randomized-controlled-study
#20
Thanya Techapichetvanich, Rungsima Wanitphakdeedecha, Thanawan Iamphonrat, Weeranut Phothong, Sasima Eimpunth, Inneke Jane Hidajat, Woraphong Manuskiatti
BACKGROUND: Epidermal growth factor (EGF) is one of the important peptides in wound healing process. The effects of EGF have been increasingly studied in various types of ulcers. However, data on postablative laser resurfacing wound is still limited. OBJECTIVES: To evaluate the effects of the topical EGF ointment on wound healing process and postinflammatory hyperpigmentation (PIH) prevention after fractional ablative laser resurfacing. MATERIALS AND METHODS: This is a randomized split-face study...
June 29, 2018: Journal of Cosmetic Dermatology
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