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    • Arch Dermatol Res. 2021 Sep 14. doi: 10.1007/s00403-021-02277-0. Online ahead of print. ABSTRACT Botulinum toxin A (BTX-A) injections have become the most popular noninvasive cosmetic procedures performed worldwide. With growing interest, investigators continue to uncover an expanding array of aesthetic indications for BTX-A. Botulinum toxin A has been used off-label in the management of masseter hypertrophy for facial slimming, platysmal bands, nasal 'bunny' lines, perioral rhytides, gummy smile and scars, to name a few. Interestingly, the injection of multiple microdroplets of dilute BTX-A into the dermis, sometimes referred to as 'microbotox', has been investigated as a tool for facial rejuvenation. A handful of prospective studies and case series have demonstrated the benefit of BTX-A in the treatment of facial erythema and improving skin texture. The aim of this review is to summarize and appraise currently available data on the role of BTX-A in treating facial erythema and skin quality, with a special focus on potential pathophysiologic mechanisms. PMID:34519860 | DOI:10.1007/s00403-021-02277-0 {url} = URL to article
    • Dermatology. 2021 Sep 7:1-6. doi: 10.1159/000518220. Online ahead of print. ABSTRACT BACKGROUND: The prevalence and impact of pruritus, pain, and other sensory symptoms in skin diseases are poorly known. OBJECTIVE: To assess the frequency of these symptoms with dermatoses and their association with depression using data from the "Objectifs Peau" survey. METHODS: A representative sample of 20,012 French individuals was created using the usual quota method. RESULTS: When patients suffered from both pruritus and skin pain, they had a higher relative risk of psychological suffering (2.9) than those who suffered only from pruritus (1.4) or skin pain (1.2). Pruritus was reported in 48.55% of patients with acne, 43.24% with mycoses, 44.35% with warts, and 36.51% with rosacea. For skin pain, the results were 11.22%, 27.59%, and 16.13% for atopic dermatitis, acne, and warts, respectively. Other unpleasant sensations, such as tingling or burning, were also frequently reported. CONCLUSION: Pruritus, pain, or other sensory symptoms were found to be common not only in classic pruritic skin diseases but also in acne, rosacea, or warts. The association of pruritus and pain dramatically increased psychological suffering. These symptoms must be systematically searched for in patients, especially since new therapeutic possibilities are emerging for the symptomatic treatment of pruritus. PMID:34515100 | DOI:10.1159/000518220 {url} = URL to article
    • Arch Dermatol Res. 2021 Sep 12. doi: 10.1007/s00403-021-02279-y. Online ahead of print. ABSTRACT Rosacea is a chronic inflammatory skin condition that is associated with multiple systemic comorbidities, with the strongest evidence linking rosacea to hypertension, dyslipidemia, inflammatory bowel disease, and anxiety and depression. To assess dermatologists' awareness of and screening practices for rosacea comorbidities, we developed a survey that was distributed to attendings and residents across four academic dermatology departments in Massachusetts. A total of 73 dermatologists with varying experience participated in the study. Findings demonstrated significant knowledge and practice gaps among academic dermatologists in managing systemic comorbidities in rosacea. In addition, dermatologists' awareness of rosacea comorbidities was negatively correlated with number of years out of residency training, highlighting the need to address this knowledge gap through increased continuing medical education. Importantly, we observed a low screening frequency despite a high awareness of the association between rosacea and ocular comorbidities, suggesting that additional financial, institutional, or practice barriers likely contribute to the low screening rate. PMID:34510277 | DOI:10.1007/s00403-021-02279-y {url} = URL to article
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