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    • Dermatol Ther (Heidelb). 2021 Oct 18. doi: 10.1007/s13555-021-00613-w. Online ahead of print. ABSTRACT INTRODUCTION: Depression and anxiety are common among people with rosacea. However, the exact magnitude of the prevalence rate and odds ratios (ORs) for depression and anxiety, respectively, in rosacea patients is unclear, and no systematic review or meta-analysis of published data has yet been performed. We therefore performed as systematic review and meta-analysis to determine the prevalence rates and ORs for depression and anxiety in rosacea patients. METHODS: We performed a systematic search of the PubMed, Embase and Medline databases for all observational studies published up to October 2020 that reported the prevalence rates and ORs for depression and anxiety in patients with rosacea. The primary outcome measures were prevalence rates and ORs for depression and anxiety in patients with rosacea. Heterogeneity across studies was assessed with the I2 statistic. Sources of heterogeneity were explored through subgroup and meta-regression analyses. RESULTS: A total of 14 studies involving 14,134,021 patients with rosacea were included in the systematic review and meta-analysis. The pooled prevalence of depression was 19.6% (95% confidence interval [CI] 15.0-24.3%) and that of anxiety was 15.6% (95% CI 11.8-19.3%). The prevalence of depression and anxiety was significantly lower in studies using clinical criteria to diagnose depression and anxiety (9.2 and 10.2%, respectively) than in those studies using screening tools (26.2% [P < 0.01] and 22.7% [P = 0.03], respectively). The methodological quality of the included studies greatly contributed to the heterogeneity. Patients with rosacea were more likely to experience depression (OR 2.21, 95% CI 1.79-2.72) and anxiety (OR 2.31, 95% CI 1.56-3.44) than healthy controls. CONCLUSIONS: This systematic review and meta-analysis indicates that patients with rosacea are at a higher risk of experiencing depression and anxiety. More efforts are warranted to recognize and manage depression and anxiety in patients with rosacea. PMID:34657997 | DOI:10.1007/s13555-021-00613-w {url} = URL to article
    • Postepy Dermatol Alergol. 2021 Aug;38(4):590-596. doi: 10.5114/ada.2021.108917. Epub 2021 Sep 17. ABSTRACT INTRODUCTION: Inflammation, immune system disorders, Demodex infestation, neurovascular dysregulation and oxidative stress are thought to be contributory factors in the pathogenesis of rosacea. AIM: To evaluate the presence of Demodex mites, the morphologic features of the nailfold capillaries, and the systemic oxidative stress status in patients with rosacea. MATERIAL AND METHODS: Thirty-one patients diagnosed with rosacea and 37 healthy age- and gender-matched subjects were included in this prospective case-control study. The presence of Demodex infestation, the findings of nailfold capillaroscopy (NFC), and the status of systemic oxidative stress measured by total oxidant capacity (TOC), total antioxidant capacity (TAC) and oxidative stress index (OSI) were evaluated. RESULTS: Demodex infestation rates were significantly higher in rosacea patients than in controls (p = 0.001). Increases in the diameters of the capillaries and the presence of avascular areas and crossing and abnormal structures were significantly more common in rosacea patients than in the healthy controls (p < 0.01, p = 0.016, p = 0.02, p < 0.001, respectively), and hairpin structures were significantly less common in rosacea patients than in the controls (p < 0.001). The presence of crossing capillaries was positively correlated with higher TOC levels (p = 0.05), while abnormal structures were found to be correlated with lower levels of TAC (p = 0.045). CONCLUSIONS: Oxidative status and NFC may play diagnostic and prognostic roles in rosacea, which should be confirmed by studies with larger sample sizes. PMID:34658699 | PMC:PMC8501418 | DOI:10.5114/ada.2021.108917 {url} = URL to article
    • J Eur Acad Dermatol Venereol. 2021 Oct 17. doi: 10.1111/jdv.17758. Online ahead of print. ABSTRACT Few studies have investigated the relationship between rosacea and upper gastrointestinal (GI) disorders, with two studies reporting conflicting data that patients with rosacea are at higher risk for gastroesophageal reflux disease (GERD).1, 2 Here, we conducted a case-control study to investigate a potential relationship between rosacea and GI disorders with a focus on the upper GI tract defined as the esophagus, stomach, and small intestine. PMID:34661953 | DOI:10.1111/jdv.17758 {url} = URL to article
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