Fatma Jendoubi, Stefana Balica, Marie Aleth Richard, Christine Chiaverini, Claire Bernier, Nathalie Quiles, Herve Bachelez, Marie Beylot-Barry, Stéphanie Mallet, Catherine Goujon, Josiane Parier, Laurent Misery, Florence Carrere, Valérie Lauwers-Cances, Carle Paul
{"title":"A Multicentre Randomised Controlled Study Evaluating the Effect of a Standardised Education Programme on Quality of Life, Disease Severity, and Disease Knowledge in Patients with Moderate-To-Severe Psoriasis: The EDUPSO Study.","authors":"Fatma Jendoubi, Stefana Balica, Marie Aleth Richard, Christine Chiaverini, Claire Bernier, Nathalie Quiles, Herve Bachelez, Marie Beylot-Barry, Stéphanie Mallet, Catherine Goujon, Josiane Parier, Laurent Misery, Florence Carrere, Valérie Lauwers-Cances, Carle Paul","doi":"10.1159/000520289","DOIUrl":"https://doi.org/10.1159/000520289","url":null,"abstract":"<p><strong>Background: </strong>Psoriasis is a chronic inflammatory skin disease that has a profound effect on health-related quality of life (HRQoL). Patient education programmes may help patients to gain life-long control over their chronic disease.</p><p><strong>Objective: </strong>This multicentre randomised controlled study evaluated whether a standardised multidisciplinary education programme was beneficial to psoriasis patients.</p><p><strong>Methods: </strong>Adults with moderate-to-severe psoriasis were randomly assigned (1:1) to an intervention group to receive an educational programme or to a control group to receive usual care. Randomization was stratified by previous treatment history. The primary outcome was HRQoL, assessed by scoring the Skindex-29 domains emotion, symptom, and functioning. Psoriasis severity was assessed using the psoriasis area severity index (PASI). Levels of perceived stress, patient knowledge about psoriasis, and patient satisfaction were also assessed. Follow-up evaluations were performed at 3, 6, and 12 months.</p><p><strong>Results: </strong>A total 142 patients formed the intention-to-treat population: 70 in the control group and 72 in the intervention group. Skindex component scores and the PASI were significantly lower at 3, 6, and 12 months as compared to baseline in both groups, but no significant differences were found between the groups. Knowledge about psoriasis improved significantly during follow-up amongst patients from the intervention group compared to controls (68% of correct answers vs. 56%; p < 0.01). Patient satisfaction with psoriasis management and treatment was also better in the intervention group.</p><p><strong>Conclusions: </strong>The standardised education programme did not improve HRQoL and disease severity in psoriasis, but led to a significant improvement in patient knowledge about the disease and increased patient satisfaction.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"630-639"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39818951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chengbin Ye, Huijing Gu, Mengyi Li, Renjie Chen, Xiang Xiao, Ying Zou
{"title":"Air Pollution and Weather Conditions Are Associated with Daily Outpatient Visits of Atopic Dermatitis in Shanghai, China.","authors":"Chengbin Ye, Huijing Gu, Mengyi Li, Renjie Chen, Xiang Xiao, Ying Zou","doi":"10.1159/000522491","DOIUrl":"https://doi.org/10.1159/000522491","url":null,"abstract":"<p><strong>Background: </strong>Non-optimum weather conditions and air pollution have the potential to increase the risk of atopic dermatitis (AD), but the associations are rarely evaluated, especially in developing countries.</p><p><strong>Objective: </strong>To investigate the independent influence and interaction effects of meteorological factors and air pollutants on the onset of AD.</p><p><strong>Methods: </strong>Daily data on outpatient visits of AD were obtained from Shanghai Dermatology Hospital and comprised 34,633 patients during the period from January 2013 to December 2018. Meteorological conditions and air pollutant concentrations in Shanghai, China, during the 6-year period were collected. We applied the overdispersed generalized additive model and the distributed lag model to explore the short-term cumulative effects of environmental factors on AD.</p><p><strong>Results: </strong>AD symptoms were aggravated by extreme low temperature (1st percentile, 0.5°C) (RR = 1.32, 95% CI: 1.16-1.51) and per 10 unit decrease of humidity (RR = 1.10, 95% CI: 1.12-2.47). The increased concentration of air pollutants except ozone (O3) contributed to the increased risk of AD outpatients. A 10 μg/m3 increase in sulfur dioxide (SO2) and nitrogen dioxide (NO2) were associated with 6.03% (95% CI: 2.29%, 9.91%), and 1.96% (95% CI: 0.46%, 3.48%) increase of AD outpatients. AD patients in the 8- to 17-year-old group were most susceptible to extreme low temperature, and patients in the 0- to 7-year-old group were most susceptible to air pollutants, including particulate matter (PM10), SO2, and NO2. Men were more sensitive to the effects of extreme low temperature than women, while women were more vulnerable to air pollutants. The adverse effects of SO2 and NO2 on AD can be enhanced significantly by the warm season or other pollutants.</p><p><strong>Conclusion: </strong>Exposure to a lower temperature, lower humidity, and higher levels of air pollutants is significantly associated with increased risks of AD incidence. These impacts were more pronounced in children less than 7 years old, women, and warm seasons.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"939-949"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40311870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shira Barmatz, Shira Fisch-Gilad, Asher Hackett, Jen Barak Levitt, Adam Dalal, Yossi Taieb, Noa Kremer, Assi Levi, Lev Pavlovsky, Emmilia Hodak, Dafna Yahav, Shany Sherman
{"title":"The Bacteriology of Skin Lesions in Patients with Hidradenitis Suppurativa Is Associated with Previous Antibiotic Treatment in the Community Setting: A Referral Center Experience.","authors":"Shira Barmatz, Shira Fisch-Gilad, Asher Hackett, Jen Barak Levitt, Adam Dalal, Yossi Taieb, Noa Kremer, Assi Levi, Lev Pavlovsky, Emmilia Hodak, Dafna Yahav, Shany Sherman","doi":"10.1159/000520288","DOIUrl":"https://doi.org/10.1159/000520288","url":null,"abstract":"<p><strong>Background: </strong>Hidradenitis suppurativa (HS) is a chronic skin disease characterized by inflammatory nodules and abscesses. The pathogenic role of bacteria is not fully understood. As the diagnosis is usually delayed, patients are often treated with several lines of antibiotics in a nonstandardized fashion. The aim of the study was to investigate and compare the bacteriology of active HS lesions in patients treated or not treated with antibiotics in the community setting before referral to a dedicated HS clinic.</p><p><strong>Methods: </strong>Purulent skin lesions of patients with HS referred to the HS Clinic of Rabin Medical Center in 2009-2020 were cultured. Data were collected from the patients' medical files and microbiology reports. The correlation between the location of the skin lesion and the bacteriologic profile was analyzed, and the effects of previous antibiotic treatment on the bacteriologic profile of the lesions and susceptibility patterns of the cultured bacteria were evaluated.</p><p><strong>Results: </strong>Pus (or tissue) from inflammatory lesions of 97 patients with HS was cultured. Mean (SD) patient age was 39.5 (13.0) years, and mean delay in diagnosis was 7.3 (8.3) years. Most patients (57.7%) had dominant involvement of one location, with the most active lesions concentrated in the genitalia, gluteal/perineal area, and axilla. Enterobacterales species were the most frequent isolates detected in all locations except the face and scalp. Seventy-eight patients (80.4%) had been treated in the community setting prior to referral with a median (range) of 2 (1-8) lines of antibiotics. The most commonly prescribed antibiotics were amoxicillin/clavulanate (22.0%), doxycycline/minocycline (16.8%), clindamycin (16.2%; monotherapy 8.1%, clindamycin with rifampicin 8.1%), and cephalexin (13.9%). Compared to the previously untreated patients, cultures of lesions from the previously treated patients yielded a higher percentage of gram-negative Enterobacterales (the most common isolates in this group) (31.3% vs. 10.3%) and a significantly higher median number of isolates per culture (2 vs. 1, p < 0.0001). Gram-positive bacteria, usually considered contaminants (mainly coagulase-negative staphylococci) accounted for 31.0% of the isolates in the previously treated group. Susceptibility testing for the entire cohort revealed 100% bacterial sensitivity to ciprofloxacin. Staphylococcus spp. were 100% sensitive to rifampicin. Both gram-positive and gram-negative bacteria had high sensitivity to trimethoprim and sulfamethoxazole.</p><p><strong>Conclusion: </strong>Nonstandardized antibiotic treatment of HS in the community setting can skew the microbiology of skin lesions toward gram-negative bacteria. Therefore, treatment with trimethoprim and sulfamethoxazole or ciprofloxacin, either alone or combined with rifampicin, may be considered.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"772-784"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39865830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anna Hwee Sing Heng, Yee-How Say, Yang Yie Sio, Yu Ting Ng, Fook Tim Chew
{"title":"Epidemiological Risk Factors Associated with Acne Vulgaris Presentation, Severity, and Scarring in a Singapore Chinese Population: A Cross-Sectional Study.","authors":"Anna Hwee Sing Heng, Yee-How Say, Yang Yie Sio, Yu Ting Ng, Fook Tim Chew","doi":"10.1159/000516232","DOIUrl":"https://doi.org/10.1159/000516232","url":null,"abstract":"<p><strong>Background: </strong>Acne vulgaris is classified based on the severity of skin lesions and post-healing scar types of these lesions. Numerous epidemiology studies have investigated the risk factors associated with acne presentation and severity, but studies for acne scarring are lacking.</p><p><strong>Objective: </strong>To investigate the prevalence of acne, severity, and scarring grades and their associated risk factors among Singapore Chinese.</p><p><strong>Methods: </strong>A total of 3,888 subjects (2,090 cases/1,798 controls; median age = 21 ± 4.589; range 17-71) completed an investigator-administered questionnaire as part of a cross-sectional study, which included sociodemographics, familial medical history, lifestyle factors, dietary habits, and acne history. Acne cases were further evaluated for their severity (n = 991) and scarring (n = 988) grades by a trained personnel.</p><p><strong>Results: </strong>The majority of the acne cases had mild acne/grade 1 scarring, while less than 1% had severe acne/grade 4 scarring. Parental acne was significantly associated with acne presentation and moderate/severe acne, while sibling acne was significantly associated with grade 3/4 scarring. Gender and age affected acne severity and scarring but not acne presentation, while tertiary maternal education level and the possession of ≥3 siblings were particularly associated with acne scarring. Underweight BMI was protective against acne presentation, while atopic diseases (asthma, allergic rhinitis, eczema) were its predisposing factors. Of the evaluated lifestyle factors, computer/TV usage had significant association with acne presentation, while alcohol consumption was significantly associated with acne severity. Frequent milk consumption was associated with a protective effect for moderate-severe acne, while frequent butter consumption had a detrimental effect on acne scarring extent.</p><p><strong>Conclusion: </strong>Positive familial history is a strong predisposing factor in determining acne presentation, severity, and scarring. Demographic factors (gender, age) and sedentary lifestyle (increased computer/TV usage) influence acne presentation, while dietary habits (milk and butter consumption) influence acne severity and scarring. The predisposing factors revealed in this study could help us to gain insights into acne pathophysiology and hence develop interventions especially targeting modifiable risk factors.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"226-235"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000516232","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39039739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Roope A Kallionpää, Kaisa Ahramo, Eija Martikkala, Elnaz Fazeli, Pekka Haapaniemi, Anne Rokka, Ilmo Leivo, Ilkka T Harvima, Juha Peltonen, Sirkku Peltonen
{"title":"Mast Cells in Human Cutaneous Neurofibromas: Density, Subtypes, and Association with Clinical Features in Neurofibromatosis 1.","authors":"Roope A Kallionpää, Kaisa Ahramo, Eija Martikkala, Elnaz Fazeli, Pekka Haapaniemi, Anne Rokka, Ilmo Leivo, Ilkka T Harvima, Juha Peltonen, Sirkku Peltonen","doi":"10.1159/000517011","DOIUrl":"https://doi.org/10.1159/000517011","url":null,"abstract":"<p><strong>Background: </strong>Cutaneous neurofibromas (cNFs) are hallmarks of neurofibromatosis 1 (NF1) and cause the main disease burden in adults with NF1. Mast cells are a known component of cNFs. However, no comprehensive characterization of mast cells in cNFs is available, and their contributions to cNF growth and symptoms such as itch are not known.</p><p><strong>Methods: </strong>We collected 60 cNFs from ten individuals with NF1, studied their mast cell proteinase content, and compared the mast cell numbers to selected clinical features of the tumors and patients. The tumors were immunolabeled for the mast cell markers CD117, tryptase, and chymase, and the percentage of immunopositive cells was determined using computer-assisted methods.</p><p><strong>Results: </strong>The median proportions of positive cells were 5.5% (range 0.1-14.4) for CD117, 4.0% (1.2-7.0) for tryptase, and 5.0% (1.1-15.9) for chymase. The median densities of cells immunopositive for CD117, tryptase, and chymase were 280, 243, and 250 cells/mm2, respectively. Small tumors, growing tumors, and tumors from patients below the median age of 33 years displayed a high proportion of mast cells. Cells expressing both tryptase and chymase were the predominant mast cell type in cNFs, followed by cells expressing chymase only.</p><p><strong>Conclusion: </strong>The results highlight the abundance of mast cells in cNFs and that their number and subtypes clearly differ from those previously reported in unaffected skin.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"329-339"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000517011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39164849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yusuf Hasamoh, Kunlawat Thadanipon, Premjit Juntongjin
{"title":"Association between Vitamin D Level and Acne, and Correlation with Disease Severity: A Meta-Analysis.","authors":"Yusuf Hasamoh, Kunlawat Thadanipon, Premjit Juntongjin","doi":"10.1159/000517514","DOIUrl":"https://doi.org/10.1159/000517514","url":null,"abstract":"<p><strong>Background: </strong>Vitamin D deficiency is frequently associated with several medical conditions. However, a comprehensive meta-analysis assessing the association between vitamin D level and acne is lacking.</p><p><strong>Objective: </strong>To determine the relationship between vitamin D level and acne, and to assess the association between vitamin D level and acne severity.</p><p><strong>Methods: </strong>This meta-analysis was assessed by using the PubMed, EMBASE, Cochrane, and Scopus databases following the PRISMA guidelines. Serum/plasma 25-hydroxyvitamin D (25[OH]D) level, vitamin D deficiency, and the severity association between acne patients and healthy controls (HCs) were evaluated. The quality assessment was performed by using the Newcastle-Ottawa Scale.</p><p><strong>Results: </strong>Thirteen articles with a total of 1,362 acne patients and 1,081 HCs were included. The circulating 25(OH)D levels were significantly lower in patients with acne than in HCs (pooled MD = -9.02 ng/mL, 95% CI = -13.22 to -4.81, p < 0.0001). Vitamin D deficiency was more prevalent in acne patients than in HCs (pooled OR = 2.97, 95% CI = 1.68-5.23, I2 = 72%). Also, vitamin D levels were negatively correlated with acne severity.</p><p><strong>Conclusion: </strong>This meta-analysis demonstrated the significantly low vitamin D levels in acne patients. Also, there was evidence of an inverse association between vitamin D levels and acne severity. Therefore, vitamin D might be involved in the pathogenesis of acne.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"404-411"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39275414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiao Wan, Quansheng Lu, Dandan Sun, Hong Wu, Guan Jiang
{"title":"Skin Barrier Damage due to Prolonged Mask Use among Healthcare Workers and the General Population during the COVID-19 Pandemic: A Prospective Cross-Sectional Survey in China.","authors":"Xiao Wan, Quansheng Lu, Dandan Sun, Hong Wu, Guan Jiang","doi":"10.1159/000517219","DOIUrl":"https://doi.org/10.1159/000517219","url":null,"abstract":"<p><strong>Background: </strong>Coronavirus disease 2019 (COVID-19) has resurged in localized areas in China. Individuals wear masks to prevent the spread of droplets. However, skin barrier damage occurs because of the prolonged use of masks.</p><p><strong>Objective: </strong>To investigate the prevalence and associated risk factors of skin injuries among healthcare workers (HCWs) and the general population during the COVID-19 outbreak.</p><p><strong>Methods: </strong>A multicenter cross-sectional study of skin barrier damage caused by wearing masks was conducted using an online questionnaire between December 10 and December 31, 2020. Data regarding demographics, characteristics of facial skin damage, and information on masks were registered. Multivariate logistic regression was used to analyze factors associated with skin barrier damage, and odds ratios (OR) with 95% confidence intervals (CI) were used to establish correlation strength.</p><p><strong>Results: </strong>A total of 1,538 responses were retrieved from 1,700 questionnaires (response rate, 90.47%), and 1,409 questionnaires were valid (effective response rate, 91.61%). The respondents comprised 567 HCWs (40.24%) and 842 individuals from the general population (59.76%). The prevalence of skin injuries was 46.03% among HCWs and 46.20% among the general population. History of chronic skin disease (OR, 6.01; 95% CI, 4.75-7.75), type of mask used (OR, 2.77; 95% CI, 1.95-3.93), daily wearing time (OR, 1.57; 95% CI, 1.36-1.82), and mask replacement cycle (OR, 0.76; 95% CI, 0.68-0.86) were associated with skin barrier damage.</p><p><strong>Conclusion: </strong>There was a high incidence of skin barrier damage due to prolonged mask use among HCWs and the general population, and treatment and prevention were inadequate. Attention needs to be given to strengthening comprehensive health education and popularization of science.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"218-225"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000517219","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39164491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paolo Gisondi, Davide Geat, Anna Ferrazzi, Francesco Bellinato, Giampiero Girolomoni
{"title":"Hypochondriasis and Personality Traits of Patients with Chronic Plaque Psoriasis.","authors":"Paolo Gisondi, Davide Geat, Anna Ferrazzi, Francesco Bellinato, Giampiero Girolomoni","doi":"10.1159/000517018","DOIUrl":"https://doi.org/10.1159/000517018","url":null,"abstract":"<p><strong>Background: </strong>Plaque psoriasis has been associated with anxiety, depression, suicidal ideation and various personality traits. However, studies on hypochondriasis, i.e. the belief of serious illness despite having no or only mild symptoms, are currently scarce.</p><p><strong>Objective: </strong>The aim of this study was to assess hypochondriasis and personality traits in psoriasis patients using the Minnesota Multiphasic Personality Inventory-2 (MMPI-2).</p><p><strong>Methods: </strong>We conducted an observational study on patients with plaque psoriasis who underwent MMPI-2 testing. Demographic and clinical data, including comorbidities, alcohol consumption, and smoking, were collected.</p><p><strong>Results: </strong>A total of 136 consecutive psoriatic patients were included. The mean age (±SD) was 53.7 (±13.5), mean PASI (Psoriasis Area Severity Index) was 12.4 (±9.9), and mean disease duration was 23.3 (±15.7) years. Pathologically elevated scores in the Hypochondriasis scale were observed in 27.9% of patients. Furthermore, in a few other MMPI-2 scales (Anxiety, Fears and Negative Treatment Indicators) ≥25% of patients obtained pathologically elevated scores. Conversely, the scales that had the highest proportion of low scorers were Ego Strength and Dominance. At regression analysis, higher psoriasis severity and female gender were associated with higher scores in the Hypochondriasis scale (p = 0.03 and 0.001). Finally, 72.8% reported any alcohol consumption and 8.1% heavy alcohol consumption.</p><p><strong>Conclusion: </strong>About one third of patients with psoriasis have high scores in the MMPI-2 hypochondriasis evaluation scale. Poor individual coping resources also appeared to be distinctive psychological features in a significant proportion of psoriatic patients.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"276-282"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39258370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lingyuan Zhong, Qiuyue Wang, Mao Li, Pingsheng Hao
{"title":"Efficacy and Safety of Liquid Nitrogen Cryotherapy for Lichen Simplex Chronicus: A Meta-Analysis.","authors":"Lingyuan Zhong, Qiuyue Wang, Mao Li, Pingsheng Hao","doi":"10.1159/000518897","DOIUrl":"https://doi.org/10.1159/000518897","url":null,"abstract":"<p><strong>Background: </strong>Lichen simplex chronicus (LSC) is characterized by localized lichenification and intense itching. It has been reported that the added use of liquid nitrogen cryotherapy (LNC) for LSC has significant efficacy and notable safety. Therefore, we conducted a meta-analysis based on existing randomized controlled trials (RCTs).</p><p><strong>Method: </strong>We searched RCTs on LNC for LSC published up to August 2020 using various databases, including PubMed, EMBASE, Web of Science, Cochrane Central Register of Controlled Trials, China Network Knowledge Infrastructure (CNKI), Chinese Biomedicine (CBM), Chinese Scientific Journals Database (VIP), and WanFang Database. Other studies were manually identified using the references cited in reviews. We applied fixed- or random-effects models, and all analyses were performed using Review Manager 5.4 software.</p><p><strong>Results: </strong>Twelve RCTs involving 1,066 participants provided eligible data for the meta-analysis. Based on the clinical effective rate, LNC treatment of LSC (risk ratio, RR 1.25, p = 0.005, I2 = 82%) was superior to controls. Subgroup analysis showed that the use of LNC alone (RR 1.04, I2 = 95%, p > 0.05) is not more effective than other therapies in the treatment of LSC, but the addition of LNC to the existing treatment increases the total clinical efficacy. Furthermore, the combined effect of LNC and topical medication (RR 1.39, I2 = 0%, p < 0.0001) was better than that of LNC and oral medication (RR 1.30, I2 = 0%, p < 0.00001). Greater frequency of LNC treatment did not improve the efficacy (thrice a week: RR 1.39 [1.21, 1.60]; twice a week: RR 1.27; once every 2 weeks: RR 1.32). Data from 6 RCTs with 508 participants showed no significant difference in AEs (p = 0.31) associated with added LNC treatment.</p><p><strong>Conclusion: </strong>The addition of LNC (applying a cotton swab soaked with liquid nitrogen to wipe the lesion for approximately 10 s each time) to topical ointments, is effective and safe in the treatment of LSC. Increasing the treatment frequency of LNC did not necessarily improve the efficacy.</p>","PeriodicalId":144585,"journal":{"name":"Dermatology (Basel, Switzerland)","volume":" ","pages":"454-463"},"PeriodicalIF":3.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39348389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}