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Evaluation on the implementation of respiratory protection measures in old age homes

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      Abstract

      PurposeOld age homes (OAHs) represent a vulnerable community for influenza outbreaks. Effective implementation of respiratory protection measures has been identified as an effective prevention measure to reduce mortality and morbidity caused by such outbreaks. Yet, relatively little is known about this aspect in these homes. This study evaluated the implementation of respiratory protection measures among infection control officers (ICOs) and health care workers (HCWs) in these homes in Hong Kong.Patients and methodsA territory-wide, cross-sectional survey was conducted in 87 OAHs. A total of 87 ICOs and 1,763 HCWs (including nurses, health workers, care workers, allied HCWs and assistants) completed the questionnaires that evaluated the implementation at the organizational level and individual level, respectively. Generalized estimating equations with unstructured working correlation matrix were used to analyze the simultaneous influence of organizational and individual factors on the implementation.ResultsAt the organizational level, all homes had a policy on respiratory protection and implementation of such measures was generally adequate. Basic resources such as paper towels/hand dryers and equipment disinfectants, however, were rated as most inadequate by HCWs. Training opportunities were also identified as grossly inadequate. Only less than half of the ICOs and HCWs participated in training on infection control either at the initiation of employment or on a regular basis. Twenty-five percent of HCWs even indicated that they had never participated in any infection control training. At the individual level, hand hygiene, among other protection measures, was found to be less well implemented by HCWs. In terms of the association of various organizational and individual characteristics, private homes and health workers rated significantly higher scores in the implementation of various domains in respiratory protection.ConclusionAddressing the unmet training needs and promoting hand hygiene practice are efforts suggested to further enhance the implementation of respiratory protection measures in OAHs.

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      Most cited references 28

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      Influenza vaccination and reduction in hospitalizations for cardiac disease and stroke among the elderly.

      Upper respiratory tract illnesses have been associated with an increased risk of ischemic heart disease and stroke. During two influenza seasons, we assessed the influence of vaccination against influenza on the risk of hospitalization for heart disease and stroke, hospitalization for pneumonia and influenza, and death from all causes. Cohorts of community-dwelling members of three large managed-care organizations who were at least 65 years old were studied during the 1998-1999 and 1999-2000 influenza seasons. Administrative and clinical data were used to evaluate outcomes, with multivariable logistic regression to control for base-line demographic and health characteristics of the subjects. There were 140,055 subjects in the 1998-1999 cohort and 146,328 in the 1999-2000 cohort, of which 55.5 percent and 59.7 percent, respectively, were immunized. At base line, vaccinated subjects were on average sicker, having higher rates of most coexisting conditions, outpatient care, and prior hospitalization for pneumonia than unvaccinated subjects. Unvaccinated subjects, however, were more likely to have been given a prior diagnosis of dementia or stroke. Vaccination against influenza was associated with a reduction in the risk of hospitalization for cardiac disease (reduction of 19 percent during both seasons [P<0.001]), cerebrovascular disease (reduction of 16 percent during the 1998-1999 season [P<0.018] and 23 percent during the 1999-2000 season [P<0.001]), and pneumonia or influenza (reduction of 32 percent during the 1998-1999 season [P<0.001] and 29 percent during the 1999-2000 season [P<0.001]) and a reduction in the risk of death from all causes (reduction of 48 percent during the 1998-1999 season [P<0.001] and 50 percent during the 1999-2000 season [P<0.001]). In analyses according to age, the presence or absence of major medical conditions at base line, and study site, the findings were consistent across all subgroups. In the elderly, vaccination against influenza is associated with reductions in the risk of hospitalization for heart disease, cerebrovascular disease, and pneumonia or influenza as well as the risk of death from all causes during influenza seasons. These findings highlight the benefits of vaccination and support efforts to increase the rates of vaccination among the elderly. Copyright 2003 Massachusetts Medical Society
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        Immunosenescence and vaccine failure in the elderly.

        An age-related decline in immune responses in the elderly results in greater susceptibility to infection and reduced responses to vaccination. This decline in immune function affects both innate and adaptive immune systems. A meeting of experts in immunology and gerontology in Paris, France, in April 2008, considered current understanding of immunosenescence and its clinical consequences. Essential features of immunosenescence include: reduced natural killer cell cytotoxicity on a per cell basis; reduced number and function of dendritic cells in blood; decreased pools of naive T and B cells; and increases in the number of memory and effector T and B cells. In particular, an accumulation of late differentiated effector T cells, commonly associated with cytomegalovirus infection, contributes to a decline in the capacity of the adaptive immune system to respond to novel antigens. Consequently, vaccine responsiveness is compromised in the elderly, especially frail patients. Strategies to address the effects of immunosenescence include ensuring that seroprotective antibody levels against preventable infectious diseases are maintained throughout adulthood, and improving diet and exercise to address the effects of frailty. New vaccines are being developed, such as intradermal and high-dose vaccines for influenza, to improve the efficacy of immunization in the elderly. In the future, the development and use of markers of immunosenescence to identify patients who may have impaired responses to vaccination, as well as the use of end-points other than antibody titers to assess vaccine efficacy, may help to reduce morbidity and mortality due to infections in the elderly.
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          WHO guidelines on hand hygiene in health care

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            Author and article information

            Affiliations
            [1 ]The Nethersole School of Nursing, The Chinese University of Hong Kong
            [2 ]Department of Microbiology, The Chinese University of Hong Kong, Prince of Wales Hospital, Sha Tin
            [3 ]Sau Po Centre on Ageing, The University of Hong Kong, Pok Fu Lam, Hong Kong
            Author notes
            Correspondence: Diana TF Lee, The Nethersole School of Nursing, The Chinese University of Hong Kong, Sino Building, Chung Chi Road, Sha Tin, Hong Kong, Tel +852 3943 6227, Fax +852 2994 2107, Email tzefanlee@ 123456cuhk.edu.hk
            Journal
            Clin Interv Aging
            Clin Interv Aging
            Clinical Interventions in Aging
            Clinical Interventions in Aging
            Dove Medical Press
            1176-9092
            1178-1998
            2017
            11 September 2017
            : 12
            : 1429-1438
            5600266
            10.2147/CIA.S142522
            cia-12-1429
            © 2017 Lee et al. This work is published and licensed by Dove Medical Press Limited

            The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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