Pub Date : 2021-12-01eCollection Date: 2021-01-01DOI: 10.3389/fopht.2021.759271
Hossein Hatami, Amir Ghaffari Jolfayi, Ali Ebrahimi, Saeid Golmohammadi, Moein Zangiabadian, Mohammad Javad Nasiri
<p><strong>Introduction: </strong>Contact lens wearing has been increased globally during recent decades, which is one of the main risk factors for developing microbial keratitis. Microbial keratitis is a severe and dangerous condition that causes cornea inflammation. It can lead to corneal scarring and perforation or even endophthalmitis and visual loss if it remains untreated. Among bacterial, fungal, protozoal, and viral agents which can cause microbial keratitis, bacteria are the most common cause. Therefore, in this study, we aim to find common causative bacteria, sensitivity, and resistance to antibiotics and the outcome of antibiotic therapy in contact lens-related bacterial keratitis.</p><p><strong>Methods: </strong>A systematic search was carried out in PubMed/Medline, EMBASE, and Web of Science for published studies and medRxiv for preprints up to February 30, 2021, and May 14, 2021, respectively. A combination of the following keywords was used: "Infection", "Corneal infection", "Keratitis", "Microbial keratitis", and "Contact lens", Also, we used the "Contact lenses" MeSH term. Lists of references for each selected article and relevant review articles were hand-searched to identify further studies.</p><p><strong>Results: </strong>Twenty-six articles were included. From 1991 to 2018, 2,916 episodes of contact lens-related microbial keratitis) CLMK(with 1,642 episodes of proven bacterial keratitis have been reviewed in these studies. Studies were conducted in 17 countries with different geographical regions, and four studies were conducted in Iran, which is the highest number of studies among these countries. According to 20 studies, the mean age of patients was 30.77 years. Females with 61.87% were more than males in 19 studies. A percentage of 92.3% of patients used soft contact lenses, and 7.7% of patients used hard contact lenses (including RGP), according to 16 studies. <i>Pseudomonas aeruginosa</i>, <i>Staphylococcus</i> spp., and <i>Serratia marcescens</i> were the three most common bacteria isolated from samples of patients with contact lens-related bacterial keratitis. Overall, isolated bacteria were most sensitive to fluoroquinolones and aminoglycosides, especially ciprofloxacin and gentamicin respectively, and most resistant against penicillin and cephalosporins especially cefazolin and chloramphenicol. Almost all patients responded well to antibiotic therapy, with some exceptions that needed further surgical interventions.</p><p><strong>Conclusion: </strong>Antibiotics are efficient for treating almost all patients with contact lens-related bacterial keratitis if they are appropriately chosen based on common germs in every geographical region and the sensitivity and resistance of these germs against them. In this regard, <i>Pseudomonas aeruginosa</i> is the most common causative germ of contact lens-associated bacterial keratitis all over the world and is almost fully sensitive to ciprofloxacin. Because of some different res
{"title":"Contact Lens Associated Bacterial Keratitis: Common Organisms, Antibiotic Therapy, and Global Resistance Trends: A Systematic Review.","authors":"Hossein Hatami, Amir Ghaffari Jolfayi, Ali Ebrahimi, Saeid Golmohammadi, Moein Zangiabadian, Mohammad Javad Nasiri","doi":"10.3389/fopht.2021.759271","DOIUrl":"10.3389/fopht.2021.759271","url":null,"abstract":"<p><strong>Introduction: </strong>Contact lens wearing has been increased globally during recent decades, which is one of the main risk factors for developing microbial keratitis. Microbial keratitis is a severe and dangerous condition that causes cornea inflammation. It can lead to corneal scarring and perforation or even endophthalmitis and visual loss if it remains untreated. Among bacterial, fungal, protozoal, and viral agents which can cause microbial keratitis, bacteria are the most common cause. Therefore, in this study, we aim to find common causative bacteria, sensitivity, and resistance to antibiotics and the outcome of antibiotic therapy in contact lens-related bacterial keratitis.</p><p><strong>Methods: </strong>A systematic search was carried out in PubMed/Medline, EMBASE, and Web of Science for published studies and medRxiv for preprints up to February 30, 2021, and May 14, 2021, respectively. A combination of the following keywords was used: \"Infection\", \"Corneal infection\", \"Keratitis\", \"Microbial keratitis\", and \"Contact lens\", Also, we used the \"Contact lenses\" MeSH term. Lists of references for each selected article and relevant review articles were hand-searched to identify further studies.</p><p><strong>Results: </strong>Twenty-six articles were included. From 1991 to 2018, 2,916 episodes of contact lens-related microbial keratitis) CLMK(with 1,642 episodes of proven bacterial keratitis have been reviewed in these studies. Studies were conducted in 17 countries with different geographical regions, and four studies were conducted in Iran, which is the highest number of studies among these countries. According to 20 studies, the mean age of patients was 30.77 years. Females with 61.87% were more than males in 19 studies. A percentage of 92.3% of patients used soft contact lenses, and 7.7% of patients used hard contact lenses (including RGP), according to 16 studies. <i>Pseudomonas aeruginosa</i>, <i>Staphylococcus</i> spp., and <i>Serratia marcescens</i> were the three most common bacteria isolated from samples of patients with contact lens-related bacterial keratitis. Overall, isolated bacteria were most sensitive to fluoroquinolones and aminoglycosides, especially ciprofloxacin and gentamicin respectively, and most resistant against penicillin and cephalosporins especially cefazolin and chloramphenicol. Almost all patients responded well to antibiotic therapy, with some exceptions that needed further surgical interventions.</p><p><strong>Conclusion: </strong>Antibiotics are efficient for treating almost all patients with contact lens-related bacterial keratitis if they are appropriately chosen based on common germs in every geographical region and the sensitivity and resistance of these germs against them. In this regard, <i>Pseudomonas aeruginosa</i> is the most common causative germ of contact lens-associated bacterial keratitis all over the world and is almost fully sensitive to ciprofloxacin. Because of some different res","PeriodicalId":49648,"journal":{"name":"Publications of the American Statistical Association","volume":"1 1","pages":"759271"},"PeriodicalIF":0.0,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11182260/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90347013","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}
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{"title":"The Mathematical Theory of Population, of Its Character and Fluctuations, and of the Factors which Influence Them:","authors":"G. Knibbs","doi":"10.2307/2965825","DOIUrl":"https://doi.org/10.2307/2965825","url":null,"abstract":"","PeriodicalId":49648,"journal":{"name":"Publications of the American Statistical Association","volume":"16 1","pages":"156"},"PeriodicalIF":0.0,"publicationDate":"1918-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2965825","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68750966","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}
{"title":"On the Alleged Increase of Cancer: [Part 1]","authors":"W. Willcox","doi":"10.2307/2964961","DOIUrl":"https://doi.org/10.2307/2964961","url":null,"abstract":"","PeriodicalId":49648,"journal":{"name":"Publications of the American Statistical Association","volume":"463 1","pages":"701"},"PeriodicalIF":0.0,"publicationDate":"1917-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2964961","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68747140","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}
{"title":"Appendix A. Vol. I. Census of the Commonwealth of Australia","authors":"W. Bailey, G. Knibbs","doi":"10.2307/2964967","DOIUrl":"https://doi.org/10.2307/2964967","url":null,"abstract":"","PeriodicalId":49648,"journal":{"name":"Publications of the American Statistical Association","volume":"15 1","pages":"802"},"PeriodicalIF":0.0,"publicationDate":"1917-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2964967","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68747207","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}
{"title":"Select Discussions of Race Problems. A Collection of Papers of Especial Use in the Study of Negro American Problems","authors":"H. P. Fairchild, J. Bigham","doi":"10.2307/2964927","DOIUrl":"https://doi.org/10.2307/2964927","url":null,"abstract":"","PeriodicalId":49648,"journal":{"name":"Publications of the American Statistical Association","volume":"15 1","pages":"557"},"PeriodicalIF":0.0,"publicationDate":"1917-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2964927","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68746639","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}
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