Publications by authors named "Richer V"

Background: Laser test spots are commonly suggested for the assessment of clinical response and adverse effects, but use by laser operators is not well described.

Objective: To describe the use of laser test spots in the existing published literature regarding methodology (location, treatment parameters) and objective (clinical efficacy, safety, other).

Materials And Methods: This scoping review was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews guidelines and included indexed studies performing test spots in human subjects for dermatologic conditions with clinical reassessment at a subsequent visit.

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The light and laser-based devices used in cosmetic dermatology practice carry a risk of serious ocular injury if appropriate safety measures are not put in place. Currently there is a lack of enforced regulation around the use of these devices. This raises concerns for the handling of these devices by operators who may not have adequate training and qualifications.

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Background: Sex and gender have increasingly been recognized as significant risk factors for many diseases, including dermatological conditions. Historically, sex and gender have often been grouped together as a single risk factor in the scientific literature. However, both may have a distinct impact on disease incidence, prevalence, clinical presentation, severity, therapeutic response, and associated psychological distress.

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Background: Preference in eyebrow shape has been studied in young women, but less so in older adults, men, and a wide variety of ethnic groups.

Objective: To identify preference in eyebrow shape across age groups, genders, and ethnic groups for both the survey responder and the observed subject.

Methods: Digital images of subjects from 3 age groups (18-39, 40-59, and 60+ years), 2 genders (female and male), and 4 self-identified ethnic backgrounds were edited to correspond to 5 brow shapes (Anastasia, head-up, horizontal, rounded, and tail-up).

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Background: Topical anesthesia has vasodynamic effects within the skin and therefore has the potential to change the presence of hemoglobin as a chromophore before intense pulsed light (IPL) and vascular laser treatments. It is unclear whether this is clinically relevant. Global consensus on the use of topical anesthetics in this context is lacking.

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Background: The eye is susceptible to damage during dermatologic laser treatments.

Objective: Discuss the anatomy of the eye related to these procedures, the principles of laser-eye interactions, and ocular injuries reported with dermatologic laser treatments.

Methods: PubMed and Embase searches were conducted to identify cases of eye injuries associated with dermatologic laser treatments.

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The severe acute respiratory syndrome coronavirus 2 pandemic has necessitated enhanced protection against viral transmission among healthcare professionals, particularly relating to handwashing and personal protective equipment. Some of these requirements may persist for years to come. They bring associated concerns around skin hygiene and general care, with damage to the face and hands now a well-documented consequence among healthcare professionals.

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Background: Granuloma annulare (GA) is challenging to treat, especially when generalized. A systematic review to support the use of light- and laser-based treatments for GA is lacking.

Methods: We performed a systematic review by searching Cochrane, MEDLINE, and Embase.

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The widespread use of masks during the COVID-19 pandemic presents a new avenue for protecting the lower half of the face from the harms of sun exposure. The increased social acceptability of masks, which may persist post-pandemic, has the potential to impact prevention of photosensitive disorders, photoaging, and skin cancer. The authors sought to review clinically relevant information on the ultraviolet (UV) shielding properties of masks.

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Article Synopsis
  • * Limited knowledge on treating skin of color can put patients at risk or restrict their treatment options due to doctor hesitancy.
  • * This review highlights various effective treatment methods, including different types of lasers and surgical options, to improve understanding of safe practices for common skin conditions in people of color.
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Post-inflammatory hyperpigmentation (PIH) is an acquired hypermelanosis that can result from inflammatory dermatologic disease, trauma, or iatrogenesis from procedures. This condition disproportionately affects individuals with skin of color, and it can place a significant psychosocial burden on affected patients. The management of PIH is, therefore, of great interest to clinicians, especially dermatologists.

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Treatment of moderate-to-severe psoriasis in patients with HIV infection is a clinical challenge. We present the case of a patient with a longstanding history of well-controlled HIV. He had failed topical management, and his hypertriglyceridemia made use of acitretin potentially unsafe.

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A common but under-recognized complication of Mohs micrographic surgery is the development of surgical site telangiectasias after repair. Treatment with pulsed dye laser has shown good results in treating periscar telangiectasias, while treatment with KTP laser has never been studied for this complication. We report the findings in six patients with persistent telangiectasias post-Mohs micrographic surgery and their response to treatment with KTP laser.

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Background: There is no accepted method to objectively assess the visual appearance of sunscreens on the skin.

Methods: We present a method for sunscreen application, digital photography, and computer analysis to quantify the appearance of the skin after sunscreen application. Four sunscreen lotions were applied randomly at densities of 0.

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Background: OnabotulinumtoxinA (OnabotA) injections are effective to treat palmar hyperhidrosis (HH) but are quite painful.

Objective: To evaluate efficacy and pain of OnabotA injection using a needle-free jet apparatus compared with the traditional needle injection to treat palmar HH.

Methods: Twenty patients were recruited for a prospective open-label study.

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