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Anesthesiologists' acquisition of hepatitis B virus infection: Risk and prevention.

ABSTRACT: Occupational exposure remains a serious problem for medical staff, especially those working in operation rooms. Hepatitis B virus (HBV) is prevalent in patients undergoing surgery, and anesthesiologists are at risk of occupational acquisition of blood-borne HBV infection. To the best of our knowledge, there are no data about HBV prevalence and vaccinations, as well as attitudes toward sharp injuries and gloving among anesthesiologists in China, where the HBV prevalence is high. To clarify these, the present study was conducted.An electronic questionnaire including HBV markers, gloving during practice, and reporting patterns of sharp injuries was created and sent to anesthesiologists.After excluding 10 uncompleted questionnaires, 1739 questionnaires were included in the final analysis. Of all analyzed anesthesiologists, 1599 (91.9%) had experienced sharp injuries, and 1313 (75.5%) had experienced >1 sharp injury. Considering HBV vaccination histories, 1381 anesthesiologists (79.4%) received 3 vaccination doses, and only half of the immunized anesthesiologists received reminder HBV vaccination doses after work before exposure. There were 696 anesthesiologists (40.0% of all participants) who were ever exposed to HBV, and nearly two-thirds of them (440) were exposed to HBV more than once. There was a more positive attitude toward gloving and double-gloving to reduce HBV exposure.The incidence of occupational HBV exposure among anesthesiologists is high, and its threat should be considered. HBV vaccinations and adherence to postexposure guidelines are recommended. The high prevalence of sharp injuries during anesthesia practice highlights the importance of safe anesthesia practices, such as gloving or double-gloving, especially when in contact with high-risk body fluids.

SUBMITTER: Tian J

PROVIDER: S-EPMC6709291 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Anesthesiologists' acquisition of hepatitis B virus infection: Risk and prevention.

Tian Jingling J Tan Fang F Lai Lifei L Deng Yingqing Y Chi Xinjin X Geng Hongfang H Zhu Qianqian Q

Medicine 20190701 29

Occupational exposure remains a serious problem for medical staff, especially those working in operation rooms. Hepatitis B virus (HBV) is prevalent in patients undergoing surgery, and anesthesiologists are at risk of occupational acquisition of blood-borne HBV infection. To the best of our knowledge, there are no data about HBV prevalence and vaccinations, as well as attitudes toward sharp injuries and gloving among anesthesiologists in China, where the HBV prevalence is high. To clarify these, ...[more]

PMID: 31335690

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Project description:ImportanceHepatitis B virus (HBV) has been identified as a major risk factor for hepatocellular carcinoma. However, the associations between HBV infection and other cancer types are not well understood.ObjectiveTo assess the associations between chronic HBV infection and risk of all cancer types.Design, setting, and participantsThis population-based study involved 3 cohorts in China. The China Kadoorie Biobank (CKB) prospective cohort study, conducted between June 2004 and July 2008, used a dipstick assay for detection of serum hepatitis B surface antigen (HBsAg) among 496 732 participants to determine the association between HBV infection and risk of all cancer types. Two cohort studies were used to validate the associations by applying more precise serum HBsAg detection assays: the Qidong cohort (37 336 participants enrolled from November 2007 to April 2011) and the Changzhou nested case-control study (17 723 participants enrolled from June 2004 to September 2005). A total of 97 samples of stomach cancer tissues, 10 samples of pancreatic cancer tissues, and 9 samples of lung cancer tissues were included to assess the presence of HBV replication and expression. Statistical analysis was performed from December 2016 to October 2018.ExposuresSerum HBsAg status in the population-based stage and HBV DNA status, the expression of hepatitis B X protein, and hepatitis B core antibody (anti-HBc) in the tissue-based stage.Main outcomes and measuresIncidence of all cancer types during follow-up.ResultsIn the CKB cohort, the mean (SD) age of the 496 732 participants was 51.5 (10.7) years; 59.0% of the participants were women. After 4.4 million person-years of follow-up, participants who were HBsAg seropositive (n = 15 355) had a higher risk of hepatocellular carcinoma (hazard ratio [HR], 15.77; 95% CI, 14.15-17.57), stomach cancer (HR, 1.41; 95% CI, 1.11-1.80), colorectal cancer (HR, 1.42; 95% CI, 1.12-1.81), oral cancer (HR, 1.58; 95% CI, 1.01-2.49), pancreatic cancer (HR, 1.65; 95% CI, 1.03-2.65), and lymphoma (HR, 2.10; 95% CI, 1.34-3.31) when compared with participants who were HBsAg seronegative (n = 481 377). Because of the limitation of sample size, only associations of HBV infection with hepatocellular carcinoma and stomach cancer were validated in the Qidong cohort (hepatocellular carcinoma: HR, 17.51; 95% CI, 13.86-22.11; stomach cancer: HR, 2.02; 95% CI, 1.24-3.29); the Changzhou nested case-control study validated only an association between HBV infection and stomach cancer (odds ratio, 1.76; 95% CI, 1.04-2.98). Moreover, among 22 participants with stomach cancer from the Qidong cohort who were anti-HBc seropositive, 12 samples (54.5%) of cancer tissues were HBV DNA positive, while among 25 participants with stomach cancer who were anti-HBc seronegative, no HBV DNA was detected. The same negative and positive rate was observed in the validation set from Zhejiang Tumor Hospital (19 of 35 samples [54.3%] were HBV DNA positive). Moreover, among the 8 patients with stomach cancer from the Qidong cohort who were anti-HBc seropositive, anti-HBc and hepatitis B X protein were expressed in all of their stomach cancer tissue samples. The same phenomenon was observed in the patients with pancreatic cancer but not in the patients with lung cancer, which was consistent with the population-based results of the CKB cohort.Conclusions and relevanceThis study found that HBV infection was also associated with the risk of nonliver cancer, especially digestive system cancers among adults in China.

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Anesthesiologists' acquisition of hepatitis B virus infection: Risk and prevention.

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Anesthesiologists' acquisition of hepatitis B virus infection: Risk and prevention.

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