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Background: There are gaps in our understanding of the epidemiology of atopic dermatitis (AD) in adults. Objective: To evaluate the prevalence and severity of AD in adults from countries/regions within Asia, Eurasia, Latin America, Middle East, and Russia. Methods: This international, web-based survey was performed in Argentina, Brazil, China, Colombia, Egypt, Hong Kong, Israel, Malaysia, Mexico, Russia, Kingdom of Saudi Arabia (KSA), Singapore, Taiwan, Thailand, Turkey, and United Arab Emirates. Questionnaires were sent to adult members of online respondent panels for determination of AD and assessment of severity. A diagnosis of AD required respondents to meet the modified United Kingdom (UK) Working Party criteria and to self-report they had a physician diagnosis of AD. Severity of AD was determined using Patient-Oriented Scoring of Atopic Dermatitis (PO-SCORAD), Patient-Oriented Eczema Measure (POEM), and Patient Global Assessment (PGA). Results: Among respondents by country/region the prevalence of AD ranged from 3.4% in Israel to 33.7% in Thailand. The prevalence was generally higher in females versus males. Severity varied by scale, although regardless of scale the proportion of respondents with mild and moderate disease was higher than severe disease. PGA consistently resulted in the lowest proportion of severe AD (range 2.4% China - 10.8% Turkey) relative to PO-SCORAD (range 13.4% China - 41.6% KSA) and POEM (range 5.1% China - 16.6% Israel). Conclusions: This survey highlights the importance of AD in adults, with high prevalence and high morbidity among respondents and emphasizes that AD is not just a disease of childhood-there is disease persistence and chronicity in adults.

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Background: Although psoriasis burden and treatment have been well characterized in developed countries, there are scarce in-depth epidemiological studies in Latin American countries. Objectives: To describe the sociodemographic and clinical features and the economic burden of psoriasis among children and adult patients from Colombia. Methods: This cross-sectional study included patients from dermatology private practice offices, health provider institutions and hospitals in seven Colombian cities. We collected data on disease distribution, weight, height, body mass index, waist-hip ratio, disease severity, therapy, personal history of comorbidities, and direct costs. Multiple logistic regression analyses were conducted to assess the associations between severity scales and sociodemographic and clinical variables. Results: Two-hundred-three patients (43.8% women, 56.2% men) with an age range between 7 to 89 years old were included. The main subtype was psoriasis vulgaris and mean age of diagnosis was 37.1 years. The most common comorbidities were obesity, hypertension, psoriatic arthritis, dyslipidemia and diabetes. Women had a significant increased odds of presenting with psoriatic arthritis. Body-mass-index and hypertension were significantly associated with a higher psoriasis severity, whereas being female and non-obese was associated with a lower risk. A third of the patients had a family history of psoriasis and sleeping disorders. Forty-one percent of participants either had no income or had an income below 224 US dollars per month and >20% of their income was spent on their disease. Conclusions: This study is supported by robust scientific data and contributes to understanding the burden of psoriasis in Latin America. This study adds well-supported data through an in-depth clinical and economical characterization of Colombian children and adult patients with psoriasis and shows the high impact and burden of the disease on patients and their families.

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Antecedentes: La carga de enfermedad y el tratamiento de la psoriasis han sido bien caracterizados en los países desarrollados, pero los estudios epidemiológicos realizados en América Latina son escasos. Objetivos: Describir las características sociodemográficas, clínicas y económicas de la psoriasis en pacientes pediátricos y adultos de Colombia. Métodos: Este fue un estudio observacional transversal que incluyó pacientes recolectados en consultorios privados de dermatología, instituciones prestadoras de salud y hospitales de siete ciudades de Colombia. Se incluyeron datos relacionados con la distribución de la enfermedad, peso, altura, índice de masa corporal, medición de la cintura/cadera, severidad de la enfermedad, tratamiento, antecedentes de comorbilidades y costos directos para el paciente o la familia. Se realizó un análisis de regresión logística múltiple para evaluar las asociaciones entre la severidad de la psoriasis y las variables sociodemográficas y clínicas. Resultados: Se incluyeron 203 pacientes (43.8% mujeres y 56.2% hombres) con un rango de edad entre 7 a 89 años. El subtipo principal fue la psoriasis vulgar y la edad media de diagnóstico fue de 37,1 años. Las comorbilidades más frecuentes fueron la obesidad, la hipertensión arterial, la artritis psoriásica, la dislipidemia y la diabetes. Las mujeres tuvieron un mayor riesgo de presentar artritis psoriásica. El índice de masa corporal y la hipertensión se asociaron significativamente con la severidad de la psoriasis, mientras que ser mujer y no obeso se relacionó con un menor riesgo, respectivamente. Un tercio de los pacientes tenía antecedentes familiares de psoriasis y trastornos del sueño. Cuarenta y uno por ciento de los participantes no tenían ingresos o tenían ingresos inferiores a 224 dólares estadounidenses por mes y >20% de sus ingresos los gastaron en la enfermedad. Conclusiones: Este estudio muestra un gran impacto de la psoriasis en los pacientes afectados y contribuye a comprender la carga de la psoriasis en América Latina aportando datos científicos sólidos a la comunidad dermatológica y a las autoridades sanitarias colombianas con respecto a los estándares de atención médica. También crea conciencia sobre la carga económica de la enfermedad y también enfatiza la necesidad de un seguimiento estrecho de los pacientes con psoriasis para prevenir, identificar y manejar sus comorbilidades.

Background: Although psoriasis burden and treatment have been well characterized in developed countries, there are scarce in-depth epidemiological studies in Latin American countries. Objectives: To describe the sociodemographic and clinical features and the economic burden of psoriasis among children and adult patients from Colombia. Methods: This cross-sectional study included patients from dermatology private practice offices, health provider institutions and hospitals in seven Colombian cities. We collected data on disease distribution, weight, height, body mass index, waist-hip ratio, disease severity, therapy, personal history of comorbidities, and direct costs. Multiple logistic regression analyses were conducted to assess the associations between severity scales and sociodemographic and clinical variables. Results: Two-hundred-three patients (43.8% women, 56.2% men) with an age range between 7 to 89 years old were included. The main subtype was psoriasis vulgaris and mean age of diagnosis was 37.1 years. The most common comorbidities were obesity, hypertension, psoriatic arthritis, dyslipidemia and diabetes. Women had a significant increased odds of presenting with psoriatic arthritis. Body-mass-index and hypertension were significantly associated with a higher psoriasis severity, whereas being female and non-obese was associated with a lower risk. A third of the patients had a family history of psoriasis and sleeping disorders. Forty-one percent of participants either had no income or had an income below 224 US dollars per month and >20% of their income was spent on their disease. Conclusions: This study is supported by robust scientific data and contributes to understanding the burden of psoriasis in Latin America. This study adds well-supported data through an in-depth clinical and economical characterization of Colombian children and adult patients with psoriasis and shows the high impact and burden of the disease on patients and their families.

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BACKGROUND: Atopic dermatitis (AD) is considered as one of the most frequent chronic skin conditions. Previous AD epidemiologic studies have been mainly retrospective and/or have been performed through surveys instead of in-person visits. Epidemiological studies concerning AD in Latin American countries are scarce. OBJECTIVE: To describe sociodemographic and clinical features and the economic burden of AD on children and adult patients in Colombia through in-person visits. METHODS: This was a cross-sectional study of 212 patients that included sociodemographic and clinimetric data. The diagnostic criteria of Hanifin and Rajka was used and data relating to disease distribution, disease severity (through the BSA: Body surface area; EASI: Eczema Area and Severity Index; SCORAD: Scoring Atopic Dermatitis), Fitzpatrick's skin phototypes, personal and familiar history of allergic diseases, previous treatments, and personal history of comorbidities, was collected. RESULTS: Patient age range was 12-76, and 52.8% were female. Disease distribution was mainly flexural (19.6%). Early age start, Denni-Morgan fold, and infections tendency were more frequent in adolescents compared to adults. Mean age of diagnosis was 12 years old, AD diagnosis was made mostly by a dermatologist, 48.1% (102 patients) reported alcohol consumption, and 59% of consumers were heavy drinkers. Comorbidities found were: chronic rhinitis (68.9%) food allergy (32.5%), allergic conjunctivitis (29.7%), and asthma (28.8%). Around 81% earned less than $896 US dollars and 59% invested 6-30% of their monthly budget yearly, and 40% had work or school absenteeism. Mean scores of BSA, EASI, and SCORAD involvement were 32.6, 13.7, and 42.4, respectively. CONCLUSIONS: This study adds well-supported data through an in-depth clinical and economical characterization of Colombian adolescents and adult patients with atopic dermatitis and shows its high impact and burden on patients and their families. It also contributes to understand the burden of AD in Latin America.

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Introduction: Atopic dermatitis is a cutaneous, inflammatory, chronic disease, very frequent in the world and it imposes a high clinical and quality of life impact in patients. To date there are no local studies describing the general features in our population. Objective: To evaluate the socio demographic, clinical and life quality features in patients with atopic dermatitis from Medellín city and its metropolitan area. Materials and methods: cross sectional, descriptive study, that included patients who attended some teaching dermatological clinics. Data collection included sociodemographic and clinical features in addition to clinical issues and quality of life measurements. Results: A total of 13 patients were included. 36,3% manifested a sleeping disturbance, 38,1% attention deficit; 44,2% reported asthma in the childhood. EASI and SCORAD scores were 6,9 and 32,4, respectively, which indicates a mild-moderate compromise. Regarding quality of Life, Skindex-29 showed average scores for the symptomatic, emotional and functional dominions of 37,7, 25,09 and 16,9, respectively, and a total score of 24,78. In EQ-5D scores, the most altered component was the presence of pain or discomfort (17,6%) and the presence of anxiety or depression (12,1%), which enhances the symptomatic and emotional impact of the disease. Conclusion: These results confirm that patients with atopic dermatitis present similar features to those reported in other studies from different countries, highlighting the burden of the disease in adults and its impact in neuropsychiatric and emotional domains.

Introducción. La dermatitis atópica es una enfermedad cutánea crónica e intermitente muy frecuente, con un impacto clínico evidente en la calidad de vida de los pacientes. No hay estudios locales que describan las características generales de esta condición en nuestra población. Objetivo. Evaluar las características sociodemográficas, clínicas y de calidad de vida en pacientes con dermatitis atópica residentes en Medellín y su área metropolitana. Materiales y métodos. Se hizo un estudio transversal descriptivo de pacientes que consultaron en algunos centros de referencia de la ciudad de Medellín, a quienes se les hizo una encuesta sobre variables sociodemográficas y clínicas. Además, se evaluó la seriedad clínica de la enfermedad y su impacto en la calidad de vida. Resultados. Se incluyeron 113 pacientes, de los cuales 36,3 % manifestó tener algún trastorno del sueño, 38,1 % reportó déficit de atención y 44,2 % informó haber sufrido asma en la infancia. Se registró un puntaje promedio de 6,9 en el índice EASI (Eczema Area and Severity Index) y de 32,4 en el SCORAD (Scoring Atopic Dermatitis), es decir, el compromiso clínico era de leve a moderado. Con el cuestionario Skindex-29, se encontraron promedios de 37,7, 25,09 y 16,9 para los dominios sintomático, emocional y funcional, respectivamente, con un promedio total de 24,78. En el cuestionario EuroQol 5 Dimensions (EQ-5D), el componente más importante fue la presencia de dolor o malestar (17,6 %) y de ansiedad o depresión (12,1 %). Conclusión. Los resultados obtenidos confirmaron que la población analizada con dermatitis atópica presentaba características similares a las reportadas en otras partes del mundo, con un impacto neuropsiquiátrico y emocional en aspectos como el sueño.

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INTRODUCTION: Psoriasis is a chronic inflammatory dermatosis, a with variable clinical presentation and whose multifactorial etiology carries an essential genetic component. Multiple genetic variations associated with psoriasis have been described around the world. However, these variants are unknown among the Colombian population. This study aimed to evaluate the single nucleotide polymorphism rs10930046 (His460Arg) in the IFIH1 gene and its ssociation with the development of psoriasis in a Colombian population. METHODS: An observational, unmatched, case-control study was performed, including 51 patients with psoriasis and 151 population controls, all with self-reported Paisa ancestry (from the Antioquia region). All individuals were genotyped for the single nucleotide polymorphism rs10930046 (His460Arg) in the IFIH1 gene, and its association with psoriasis was pursued. Both groups were demographically characterized, and cases were also assessed for clinical variables. RESULTS: Through the allelic association analysis, cases were found to have a lower frequency of the single nucleotide polymorphism rs10930046 (His460Arg) in the IFIH1 gene than controls; 5% versus 22.67%, respectively. There were no significant differences in age or sex. We also found that psoriasis vulgaris was the most common variant (78%), that about half of the cases had nail psoriasis (56%), 19.6% had psoriatic arthritis, and that 45% had some comorbidity. CONCLUSIONS: The results obtained from this study confirm that carriers of the single nucleotide polymorphism rs10930046 (His460Arg) in the IFIH1 gene have a decreased risk of developing psoriasis.

INTRODUCCIÓN: La psoriasis es una dermatosis inflamatoria crónica, con presentación clínica variable y cuya etiología involucra un componente genético importante. Alrededor del mundo se han descrito múltiples variaciones genéticas asociadas a la enfermedad. Sin embargo, en población colombiana se desconocen estas variantes. En este estudio se evalúa el polimorfismo de nucleótido único rs10930046 (His460Arg) en el gen IFIH1 y su asociación con el desarrollo de psoriasis en población colombiana. Además, se caracteriza a los individuos demográfica y clínicamente. MÉTODOS: Se realizó un estudio observacional de casos y controles, no pareado, que incluyó 51 individuos con psoriasis y 151 controles poblacionales, todos de ancestría paisa (proveniente de la región de Antioquia) auto reportada. A todos los individuos se les realizó genotipificación del polimorfismo de nucleótido único rs10930046 (His460Arg) en el gen IFIH1 y se les determinó la asociación con la enfermedad. Se caracterizaron demográficamente ambos grupos y los casos clínicamente. RESULTADOS: Se encontró que los casos presentaron una menor frecuencia del polimorfismo de nucleótido único rs10930046 (His460Arg) en el gen IFIH1 en relación a los controles, 5 versus 22,67% respectivamente, con un análisis de asociación alélico. No hubo diferencias significativas en edad ni en sexo. La psoriasis vulgar fue la variante de presentación más común (78%). Alrededor de la mitad de los casos presentaron psoriasis ungular (56%), en menor frecuencia artritis psoriásica (19,6%) y el 45% de los casos tuvo alguna comorbilidad. CONCLUSIONES: Los resultados obtenidos confirman que los portadores del polimorfismo de nucleótido único rs10930046 (His460Arg) en el gen IFIH1, presentan un riesgo disminuido de desarrollar psoriasis.

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Resumen | Introducción. La dermatitis atópica es una enfermedad cutánea crónica e intermitente muy frecuente, con un impacto clínico evidente en la calidad de vida de los pacientes. No hay estudios locales que describan las características generales de esta condición en nuestra población. Objetivo. Evaluar las características sociodemográficas, clínicas y de calidad de vida en pacientes con dermatitis atópica residentes en Medellín y su área metropolitana. Materiales y métodos. Se hizo un estudio transversal descriptivo de pacientes que consultaron en algunos centros de referencia de la ciudad de Medellín, a quienes se les hizo una encuesta sobre variables sociodemográficas y clínicas. Además, se evaluó la seriedad clínica de la enfermedad y su impacto en la calidad de vida. Resultados. Se incluyeron 113 pacientes, de los cuales 36,3 % manifestó tener algún trastorno del sueño, 38,1 % reportó déficit de atención y 44,2 % informó haber sufrido asma en la infancia. Se registró un puntaje promedio de 6,9 en el índice EASI (Eczema Area and Severity Index) y de 32,4 en el SCORAD (Scoring Atopic Dermatitis), es decir, el compromiso clínico era de leve a moderado. Con el cuestionario Skindex-29, se encontraron promedios de 37,7, 25,09 y 16,9 para los dominios sintomático, emocional y funcional, respectivamente, con un promedio total de 24,78. En el cuestionario EuroQol 5 Dimensions (EQ-5D), el componente más importante fue la presencia de dolor o malestar (17,6 %) y de ansiedad o depresión (12,1 %). Conclusión. Los resultados obtenidos confirmaron que la población analizada con dermatitis atópica presentaba características similares a las reportadas en otras partes del mundo, con un impacto neuropsiquiátrico y emocional en aspectos como el sueño.

Abstract | Introduction: Atopic dermatitis is a cutaneous, inflammatory, chronic disease, very frequent in the world and it imposes a high clinical and quality of life impact in patients. To date there are no local studies describing the general features in our population. Objective: To evaluate the socio demographic, clinical and life quality features in patients with atopic dermatitis from Medellín city and its metropolitan area. Materials and methods: cross sectional, descriptive study, that included patients who attended some teaching dermatological clinics. Data collection included sociodemographic and clinical features in addition to clinical issues and quality of life measurements. Results: A total of 13 patients were included. 36,3% manifested a sleeping disturbance, 38,1% attention deficit; 44,2% reported asthma in the childhood. EASI and SCORAD scores were 6,9 and 32,4, respectively, which indicates a mild-moderate compromise. Regarding quality of Life, Skindex-29 showed average scores for the symptomatic, emotional and functional dominions of 37,7, 25,09 and 16,9, respectively, and a total score of 24,78. In EQ-5D scores, the most altered component was the presence of pain or discomfort (17,6%) and the presence of anxiety or depression (12,1%), which enhances the symptomatic and emotional impact of the disease. Conclusion: These results confirm that patients with atopic dermatitis present similar features to those reported in other studies from different countries, highlighting the burden of the disease in adults and its impact in neuropsychiatric and emotional domains.

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Given that the COVID-19 era has changed the behavior of all individuals, and since previous reports about its possible impact on atopic dermatitis (AD) patients remained speculative, in this survey we aimed to explore the real impact of COVID-19 among AD patients. All participants provided verbal consent prior to completing the survey. A 37-question web-based survey with no personal identifiers was sent to 212 previously identified AD patients. Itching, sleep disturbances, SARS-CoV-2, illness cost, economic dependence, monthly income, and monthly investment in AD before and during the pandemic, were all included in the analysis. A response rate of 73.1% was obtained. The mean age of participants was 30 years-old, and 57% were women. Around 75% reported AD worsening, and 59.4% of the patients reported sleep problems. Uncertainty, anxiety, and pessimism were frequent during the pandemic. Only 1.3% tested positive for SARS-CoV-2, and it was only significantly associated with comorbidities (p=0.03; Chi2 Test). A significant difference was found in economic dependence and monthly income when compared between before and during the pandemic. This study provides probably the best possible assessment of the clinical, social, and economic effects of the pandemic on patients with an already proven diagnosis of AD.

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BACKGROUND: Female pattern hair loss (FPHL) is a non-scarring hair disease characterized by progressive hair diminishment and decrease of its density. Although typical cases of FPHL are usually straightforward to diagnose, its initial forms can be unrecognized and often need the use of other diagnostic methods. OBJECTIVE: To describe the accuracy of a diagnosis of FPHL based on clinical grounds and videodermoscopy compared with scalp biopsy. METHODS: An observational diagnostic test study was performed. Scalp biopsies were read by the same dermatopathologist and processed horizontally to allow follicle's number and size evaluation. Digital videodermoscopy was also performed. RESULTS: A total of 202 patients were enrolled, but only 35 women were assessed with digital videodermoscopy. When clinical diagnosis was compared to scalp biopsy, a sensitivity, specificity, positive predictive value (PPV), and a negative predictive value (NPV), of 77% %, 72.4%, 82.2%; and 65.5%, were respectively obtained. Videodermoscopy showed a sensitivity, specificity, PPV and NPV of 88.9%, 100%, 100%, and 72.7%, respectively. CONCLUSIONS: This study provided valuable information on the accuracy of clinical examination of FPHL, showed the usefulness of videodermoscopy as a method that in the future may replace scalp biopsy for its diagnosis, or also could aid patient´s follow-up.

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