Bunthen E, Ko Ko, Shintaro Nagashima, Serge Ouoba, Md Razeen Ashraf Hussain, Aya Sugiyama, Tomoyuki Akita, Masayuki Ohisa, Channarena Chuon, Bunsoth Mao, Md Shafiqul Hossain, Vichit Ork, Junko Tanaka
{"title":"基于干血点的乙型肝炎和丙型肝炎血清学特征检测及其在柬埔寨的流行情况","authors":"Bunthen E, Ko Ko, Shintaro Nagashima, Serge Ouoba, Md Razeen Ashraf Hussain, Aya Sugiyama, Tomoyuki Akita, Masayuki Ohisa, Channarena Chuon, Bunsoth Mao, Md Shafiqul Hossain, Vichit Ork, Junko Tanaka","doi":"10.1002/ygh2.468","DOIUrl":null,"url":null,"abstract":"<div>\n \n \n <section>\n \n <h3> Aims</h3>\n \n <p>This study aims to examine the diagnostic accuracy of dried blood spot (DBS) samples contrast to serum samples for detection of hepatitis B virus (HBV) and hepatitis C virus (HCV) sero-markers in large scale epidemiological study in the resource limited settings and then to determine the prevalence of each sero-marker from DBS samples collected during 2017 Cambodia nationwide study.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>This study included 921 paired DBS and serum samples. HBsAg, HBsAg-HQ, anti-HBs, anti-HBc and anti-HCV were detected in all DBS/serum pairs but HBeAg and anti-HBe in 109 DBS/serum pairs using chemiluminescent enzyme immunoassay (CLEIA). Thereafter, the individual DBS's diagnostic accuracy was calculated. Additionally, the prevalence of each sero-marker was calculated in 4541 DBS samples from nationwide study in Cambodia.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>The sensitivity of DBS for detection of HBsAg, HBsAg-HQ, HBeAg and antiHBe were high (≥90%) with 100% specificity. Anti-HBc and anti-HBs showed low sensitivity (70.73% and 69.25% respectively) than other sero-markers, but their diagnostic accuracies were 94.58% and 89.32%. Therefore, the overall prevalence of HBsAg, HBsAg-HQ, anti-HBc, anti-HBs and anti-HCV using DBS samples in Cambodia were 2.38%, 2.53%, 14.27%, 31.84% and 0.15%, respectively. HBeAg and anti-HBe positivity among HBsAg positives were 31.48% and 53.7%.</p>\n </section>\n \n <section>\n \n <h3> Conclusion</h3>\n \n <p>Our study indicates that DBS has high diagnostic accuracy for HBsAg, HBsAg-HQ, HBeAg and anti-HBe. Having the benefit of simple procedure, easy and compact transportation and storage, it is considered as an alternative to serum samples in examining the serological profiles of HBV infection through a large-scale epidemiological study in the resource limited settings.</p>\n </section>\n </div>","PeriodicalId":12480,"journal":{"name":"GastroHep","volume":"3 4","pages":"247-253"},"PeriodicalIF":0.0000,"publicationDate":"2021-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/ygh2.468","citationCount":"3","resultStr":"{\"title\":\"Dried blood spot-based detection of serological profiles of hepatitis B and C infections and their prevalence in Cambodia\",\"authors\":\"Bunthen E, Ko Ko, Shintaro Nagashima, Serge Ouoba, Md Razeen Ashraf Hussain, Aya Sugiyama, Tomoyuki Akita, Masayuki Ohisa, Channarena Chuon, Bunsoth Mao, Md Shafiqul Hossain, Vichit Ork, Junko Tanaka\",\"doi\":\"10.1002/ygh2.468\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Aims</h3>\\n \\n <p>This study aims to examine the diagnostic accuracy of dried blood spot (DBS) samples contrast to serum samples for detection of hepatitis B virus (HBV) and hepatitis C virus (HCV) sero-markers in large scale epidemiological study in the resource limited settings and then to determine the prevalence of each sero-marker from DBS samples collected during 2017 Cambodia nationwide study.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>This study included 921 paired DBS and serum samples. HBsAg, HBsAg-HQ, anti-HBs, anti-HBc and anti-HCV were detected in all DBS/serum pairs but HBeAg and anti-HBe in 109 DBS/serum pairs using chemiluminescent enzyme immunoassay (CLEIA). Thereafter, the individual DBS's diagnostic accuracy was calculated. Additionally, the prevalence of each sero-marker was calculated in 4541 DBS samples from nationwide study in Cambodia.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>The sensitivity of DBS for detection of HBsAg, HBsAg-HQ, HBeAg and antiHBe were high (≥90%) with 100% specificity. Anti-HBc and anti-HBs showed low sensitivity (70.73% and 69.25% respectively) than other sero-markers, but their diagnostic accuracies were 94.58% and 89.32%. Therefore, the overall prevalence of HBsAg, HBsAg-HQ, anti-HBc, anti-HBs and anti-HCV using DBS samples in Cambodia were 2.38%, 2.53%, 14.27%, 31.84% and 0.15%, respectively. HBeAg and anti-HBe positivity among HBsAg positives were 31.48% and 53.7%.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusion</h3>\\n \\n <p>Our study indicates that DBS has high diagnostic accuracy for HBsAg, HBsAg-HQ, HBeAg and anti-HBe. Having the benefit of simple procedure, easy and compact transportation and storage, it is considered as an alternative to serum samples in examining the serological profiles of HBV infection through a large-scale epidemiological study in the resource limited settings.</p>\\n </section>\\n </div>\",\"PeriodicalId\":12480,\"journal\":{\"name\":\"GastroHep\",\"volume\":\"3 4\",\"pages\":\"247-253\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-06-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1002/ygh2.468\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"GastroHep\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/ygh2.468\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"GastroHep","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/ygh2.468","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dried blood spot-based detection of serological profiles of hepatitis B and C infections and their prevalence in Cambodia
Aims
This study aims to examine the diagnostic accuracy of dried blood spot (DBS) samples contrast to serum samples for detection of hepatitis B virus (HBV) and hepatitis C virus (HCV) sero-markers in large scale epidemiological study in the resource limited settings and then to determine the prevalence of each sero-marker from DBS samples collected during 2017 Cambodia nationwide study.
Methods
This study included 921 paired DBS and serum samples. HBsAg, HBsAg-HQ, anti-HBs, anti-HBc and anti-HCV were detected in all DBS/serum pairs but HBeAg and anti-HBe in 109 DBS/serum pairs using chemiluminescent enzyme immunoassay (CLEIA). Thereafter, the individual DBS's diagnostic accuracy was calculated. Additionally, the prevalence of each sero-marker was calculated in 4541 DBS samples from nationwide study in Cambodia.
Results
The sensitivity of DBS for detection of HBsAg, HBsAg-HQ, HBeAg and antiHBe were high (≥90%) with 100% specificity. Anti-HBc and anti-HBs showed low sensitivity (70.73% and 69.25% respectively) than other sero-markers, but their diagnostic accuracies were 94.58% and 89.32%. Therefore, the overall prevalence of HBsAg, HBsAg-HQ, anti-HBc, anti-HBs and anti-HCV using DBS samples in Cambodia were 2.38%, 2.53%, 14.27%, 31.84% and 0.15%, respectively. HBeAg and anti-HBe positivity among HBsAg positives were 31.48% and 53.7%.
Conclusion
Our study indicates that DBS has high diagnostic accuracy for HBsAg, HBsAg-HQ, HBeAg and anti-HBe. Having the benefit of simple procedure, easy and compact transportation and storage, it is considered as an alternative to serum samples in examining the serological profiles of HBV infection through a large-scale epidemiological study in the resource limited settings.
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