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Seval Doğruk Kaçar

Bio: Seval Doğruk Kaçar is an academic researcher from Afyon Kocatepe University. The author has contributed to research in topics: USB & Welding. The author has an hindex of 9, co-authored 151 publications receiving 224 citations.

Papers published on a yearly basis

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Journal ArticleDOI
TL;DR: It is hypothesized that insulin resistance might persist after puberty in patients with post‐adolescent acne because of a transient decline in insulin sensitivity during puberty.
Abstract: Background Post-adolescent acne has been defined as acne in a patient aged >25 years. Acne vulgaris first develops at the onset of puberty as a result of hormonal changes. During puberty, there is a transient decline in insulin sensitivity. We hypothesized that insulin resistance might persist after puberty in patients with post-adolescent acne. Objectives This study was conducted in order to investigate the relationship between post-adolescent acne and insulin resistance. Methods The study population comprised 35 patients with post-adolescent acne and 35 healthy control subjects. The parameters measured were fasting blood glucose, insulin, aspartate aminotransferase (AST) and alanine aminotransferase (ALT), total cholesterol (TC), triglycerides, high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C). The homeostasis model assessment of insulin resistance (HOMA-IR) index was calculated for each individual. Results No significant differences were observed between patients with post-adolescent acne and control subjects in fasting blood glucose, fasting insulin, AST, ALT, triglyceride and HDL-C levels, and HOMA-IR index. There were also no correlations between these parameters and the severity of acne. Conclusions This study suggests that insulin resistance may not play a major role in the pathogenesis of post-adolescent acne. Hormonal changes, genetic susceptibility, stress, the use of cosmetics, drugs, and environmental factors should be considered in the development of post-adolescent acne.

43 citations

Journal ArticleDOI
TL;DR: There was a negative correlation between acne severity and vitamin E and zinc levels, and the importance of diet in patients with acne is marked.
Abstract: Background: Although hyperseborrhea, follicular hyperkeratinization, Propionibacterium acnes colonization and inflammation are found to be responsible in the pathogenesis of acne, the exact mechani...

32 citations

Journal ArticleDOI
TL;DR: In both genders, daily physical activity parameters were found to be higher in the psoriasis group compared to the control, and it is suggested that this lifestyle helped to prevent impairments of body fatness, body fat distributions, resting metabolic rate, pulmonary functions, and quality of life in patients with mild to moderate Psoriasis.
Abstract: The aim of this study was to compare aerobic exercise capacity, daily physical activity, pulmonary functions, resting metabolic rate, and body composition parameters in patients with psoriasis and healthy controls. A total of 60 participants (30 [15 men, 15 women] patients with psoriasis, and 30 [15 men, 15 women] healthy controls) ranging in age from 22– 57 were included in the study. Maximal aerobic capacity was determined by Astrand exercise protocol. Daily physical activity was measured with an accelerometer. Resting metabolic rate was determined with an indirect calorimeter. Pulmonary function tests were performed with a portable spirometer. Body composition was established with a bioelectric impedance analysis system. Skinfold thicknesses and body circumference measurements were carried out. Short Form 36 quality of life questionnaire was applied to all participants. In both genders, daily physical activity parameters were found to be higher in the psoriasis group compared to the control. Maximal aerobic capacity, resting metabolic rate, pulmonary function tests, body fatness, body fat distributions, and quality of life were not statistically different between patients with psoriasis and controls in males and females. We suggest that patients with psoriasis who do not have psoriatic arthritis or severe psoriasis are well in performing daily physical activities. In addition, we suggest that this lifestyle helped to prevent impairments of body fatness, body fat distributions, resting metabolic rate, pulmonary functions, and quality of life in patients with mild to moderate psoriasis.

24 citations

Journal ArticleDOI
TL;DR: AA is a condition that leads to more self-stigmatization than MD, and total and all subscale scores of stigmatization questionnaire scale were higher in the group of patients with AA than in the patients with mental disorder.
Abstract: Aim: We aimed to measure the perceived stigma, especially in patients with alopecia areata (AA) and to compare the results with patients with mental disorder (MD). Materials and Methods: This study included forty patients with AA who were consecutively recruited from dermatology outpatient clinic and 42 patients with MD who were consecutively recruited from psychiatric outpatient clinic. The presence of a MD was assessed by the Diagnostic and Statistical Manual of Mental Disorder Fourth Edition. All participants were asked to complete the 28 items modified stigmatization questionnaire. Results: Total and all subscale scores of stigmatization questionnaire scale were higher in the group of patients with AA than in the patients with MD. Conclusion: AA is a condition that leads to more self-stigmatization than MD.

21 citations

Journal ArticleDOI
TL;DR: Tap water iontophoresis is an effective method of treatment for primary palmoplantar and axillary hyperhidrosis in paediatric patients, but there are still unanswered questions about the mechanism of action, ideal session intervals and protocols for maximum efficacy.
Abstract: Objectives: Primary hyperhidrosis is an under-recognized condition in children and adolescents. Iontophoresis is the second line of treatment for palmoplantar hyperhidrosis following topical treatment. The studies evaluating the efficacy of iontophoresis in children are limited. We aimed to investigate the efficacy and reliability of tap water iontophoresis in children with primary hyperhidrosis.Methods: Twenty-one patients aged under 18 years, who received iontophoresis for primary palmoplantar hyperhidrosis, were included in the study. In our clinic, tap water iontophoresis was administered at regular intervals, starting with five times per week and decreased to once a week on fifth week. Then maintenance sessions once a week for 6 weeks are recommended. The presence of excessive sweating was scored by visual analogue scale (VAS): “0” as continuation of excessive sweating and “10” as the absence of excessive sweating. The demographic and clinical data were collected from files. Also, patients fu...

16 citations


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TL;DR: It is concluded that the “SF-36 Total/Global/Overall Score” has been increasingly reported in the scientific literature and researchers should be aware of this procedure and of its possible impacts upon human health.
Abstract: According to the 36-Item Short Form Health Survey questionnaire developers, a global measure of health-related quality of life such as the "SF-36 Total/Global/Overall Score" cannot be generated from the questionnaire. However, studies keep on reporting such measure. This study aimed to evaluate the frequency and to describe some characteristics of articles reporting the SF-36 Total/Global/Overall Score in the scientific literature. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses method was adapted to a scoping review. We performed searches in PubMed, Web of Science, SCOPUS, BVS, and Cochrane Library databases for articles using such scores. We found 172 articles published between 1997 and 2015; 110 (64.0%) of them were published from 2010 onwards; 30.0% appeared in journals with Impact Factor 3.00 or greater. Overall, 129 (75.0%) out of the 172 studies did not specify the method for calculating the "SF-36 Total Score"; 13 studies did not specify their methods but referred to the SF-36 developers' studies or others; and 30 articles used different strategies for calculating such score, the most frequent being arithmetic averaging of the eight SF-36 domains scores. We concluded that the "SF-36 Total/Global/Overall Score" has been increasingly reported in the scientific literature. Researchers should be aware of this procedure and of its possible impacts upon human health.

516 citations

Journal ArticleDOI
TL;DR: Subcommittee Members: Dr. Alexander Nast, Berlin (Germany), Dr. Cristina Oprica, Stockholm (Sweden), Prof. Thierry Simonart, Brussels (Belgium) and Dr. Falk Ochsendorf, Frankfurt (Germany).
Abstract: Subcommittee Members: Dr. Alexander Nast, Berlin (Germany) Dr. Cristina Oprica, Stockholm (Sweden) Prof. Dr. Brigitte Dreno, Nantes (France) Mrs. Stefanie Rosumeck, Berlin (Germany) Dr. Vincenzo Bettoli, Ferrara (Italy) Prof. Dr. Berthold Rzany, Berlin (Germany) Prof. Dr. Klaus Degitz, Munich (Germany) Dr. Adel Sammain, Berlin (Germany) Mr. Ricardo Erdmann, Berlin (Germany) Dr. Thierry Simonart, Brussels (Belgium) Prof. Dr. Andrew Finlay, Cardiff (United Kingdom) Dr. Niels Kren Veien, Aalborg (Denmark) Prof. Dr. Ruta Ganceviciene, Vilnius (Lithuania) Dr. Maja Vurnek fivkovi , Zagreb (Croatia) Dr. Alison Layton, Harrogate (United Kingdom) Prof. Dr. Christos Zouboulis, Dessau (Germany) Dr. Jose Luis Lopez Estebaranz, Madrid (Spain) Prof. Dr. Falk Ochsendorf, Frankfurt (Germany) Prof. Dr. med. Harald Gollnick, Magdeburg (Germany)

349 citations

Journal ArticleDOI
TL;DR: Dysregulated antioxidant systems and antioxidative therapeutic strategies in dermatology are reviewed to show that antioxidative strategies can serve as effective and easy methods for improving these conditions.
Abstract: Oxidative stress results from a prooxidant-antioxidant imbalance, leading to cellular damage It is mediated by free radicals, such as reactive oxygen species or reactive nitrogen species, that are generated during physiological aerobic metabolism and pathological inflammatory processes Skin serves as a protective organ that plays an important role in defending both external and internal toxic stimuli and maintaining homeostasis It is becoming increasingly evident that oxidative stress is involved in numerous skin diseases and that antioxidative strategies can serve as effective and easy methods for improving these conditions Herein, we review dysregulated antioxidant systems and antioxidative therapeutic strategies in dermatology

108 citations

Journal ArticleDOI
TL;DR: This is an update of a Cochrane Review to assess the effects of specific treatments and management strategies, including waiting for natural resolution, for cutaneous, non-genital molluscum contagiosum in people without immune deficiency.
Abstract: Background: Molluscum contagiosum is a common skin infection that is caused by a pox virus and occurs mainly in children. The infection usually resolves within months in people without immune deficiency, but treatment may be preferred for social and cosmetic reasons or to avoid spreading the infection. A clear evidence base supporting the various treatments is lacking. This is an update of a Cochrane Review first published in 2006, and updated previously in 2009. Objectives: To assess the effects of specific treatments and management strategies, including waiting for natural resolution, for cutaneous, non-genital molluscum contagiosum in people without immune deficiency. Search methods: We updated our searches of the following databases to July 2016: the Cochrane Skin Group Specialised Register, CENTRAL, MEDLINE, Embase, and LILACS. We searched six trial registers and checked the reference lists of included studies and review articles for further references to relevant randomised controlled trials. We contacted pharmaceutical companies and experts in the field to identify further relevant randomised controlled trials. Selection criteria: Randomised controlled trials of any treatment of molluscum contagiosum in people without immune deficiency. We excluded trials on sexually transmitted molluscum contagiosum and in people with immune deficiency (including those with HIV infection). Data collection and analysis: Two review authors independently selected studies, assessed methodological quality, and extracted data from selected studies. We obtained missing data from study authors where possible. Main results: We found 11 new studies for this update, resulting in 22 included studies with a total of 1650 participants. The studies examined the effects of topical (20 studies) and systemic interventions (2 studies). Among the new included studies were the full trial reports of three large unpublished studies, brought to our attention by an expert in the field. They all provided moderate-quality evidence for a lack of effect of 5% imiquimod compared to vehicle (placebo) on short-term clinical cure (4 studies, 850 participants, 12 weeks after start of treatment, risk ratio (RR) 1.33, 95% confidence interval (CI) 0.92 to 1.93), medium-term clinical cure (2 studies, 702 participants, 18 weeks after start of treatment, RR 0.88, 95% CI 0.67 to 1.14), and long-term clinical cure (2 studies, 702 participants, 28 weeks after start of treatment, RR 0.97, 95% CI 0.79 to 1.17). We found similar but more certain results for short-term improvement (4 studies, 850 participants, 12 weeks after start of treatment, RR 1.14, 95% CI 0.89 to 1.47; high-quality evidence). For the outcome 'any adverse effect', we found high-quality evidence for little or no difference between topical 5% imiquimod and vehicle (3 studies, 827 participants, RR 0.97, 95% CI 0.88 to 1.07), but application site reactions were more frequent in the groups treated with imiquimod (moderate-quality evidence): any application site reaction (3 studies, 827 participants, RR 1.41, 95% CI 1.13 to 1.77, the number needed to treat for an additional harmful outcome (NNTH) was 11); severe application site reaction (3 studies, 827 participants, RR 4.33, 95% CI 1.16 to 16.19, NNTH over 40). For the following 11 comparisons, there was limited evidence to show which treatment was superior in achieving short-term clinical cure (low-quality evidence): 5% imiquimod less effective than cryospray (1 study, 74 participants, RR 0.60, 95% CI 0.46 to 0.78) and 10% potassium hydroxide (2 studies, 67 participants, RR 0.65, 95% CI 0.46 to 0.93); 10% Australian lemon myrtle oil more effective than olive oil (1 study, 31 participants, RR 17.88, 95% CI 1.13 to 282.72); 10% benzoyl peroxide cream more effective than 0.05% tretinoin (1 study, 30 participants, RR 2.20, 95% CI 1.01 to 4.79); 5% sodium nitrite co-applied with 5% salicylic acid more effective than 5% salicylic acid alone (1 study, 30 participants, RR 3.50, 95% CI 1.23 to 9.92); and iodine plus tea tree oil more effective than tea tree oil (1 study, 37 participants, RR 0.20, 95% CI 0.07 to 0.57) or iodine alone (1 study, 37 participants, RR 0.07, 95% CI 0.01 to 0.50). Although there is some uncertainty, 10% potassium hydroxide appears to be more effective than saline (1 study, 20 participants, RR 3.50, 95% CI 0.95 to 12.90); homeopathic calcarea carbonica appears to be more effective than placebo (1 study, 20 participants, RR 5.57, 95% CI 0.93 to 33.54); 2.5% appears to be less effective than 5% solution of potassium hydroxide (1 study, 25 participants, RR 0.35, 95% CI 0.12 to 1.01); and 10% povidone iodine solution plus 50% salicylic acid plaster appears to be more effective than salicylic acid plaster alone (1 study, 30 participants, RR 1.43, 95% CI 0.95 to 2.16). We found no statistically significant differences for other comparisons (most of which addressed two different topical treatments). We found no randomised controlled trial evidence for expressing lesions or topical hydrogen peroxide. Study limitations included no blinding, many dropouts, and no intention-to-treat analysis. Except for the severe application site reactions of imiquimod, none of the evaluated treatments described above were associated with serious adverse effects (low-quality evidence). Among the most common adverse events were pain during application, erythema, and itching. Included studies of the following comparisons did not report adverse effects: calcarea carbonica versus placebo, 10% povidone iodine plus 50% salicylic acid plaster versus salicylic acid plaster, and 10% benzoyl peroxide versus 0.05% tretinoin. We were unable to judge the risk of bias in most studies due to insufficient information, especially regarding concealment of allocation and possible selective reporting. We considered five studies to be at low risk of bias. Authors' conclusions: No single intervention has been shown to be convincingly effective in the treatment of molluscum contagiosum. We found moderate-quality evidence that topical 5% imiquimod was no more effective than vehicle in terms of clinical cure, but led to more application site reactions, and high-quality evidence that there was no difference between the treatments in terms of short-term improvement. However, high-quality evidence showed a similar number of general side effects in both groups. As the evidence found did not favour any one treatment, the natural resolution of molluscum contagiosum remains a strong method for dealing with the condition.

97 citations