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  1. Article ; Online: Arsenic in drinking water and lung cancer: A systematic review of 35 years of evidence.

    Issanov, Alpamys / Adewusi, Betty / Saint-Jacques, Nathalie / Dummer, Trevor J B

    Toxicology and applied pharmacology

    2024  Volume 483, Page(s) 116808

    Abstract: The association between higher arsenic concentrations in drinking water and lung cancer is well-established. However, the risk associated with lower levels of arsenic exposure remains uncertain. This systematic review and meta-analysis summarizes the ... ...

    Abstract The association between higher arsenic concentrations in drinking water and lung cancer is well-established. However, the risk associated with lower levels of arsenic exposure remains uncertain. This systematic review and meta-analysis summarizes the evidence on the relationship between exposure to arsenic in drinking water and lung cancer outcomes as measured over a broad range of exposures, including lower levels. A total of 51 studies were included in the review and 15 met criteria for inclusion in meta-analysis. Risk estimates for lung cancer incidence and mortality were pooled and analyzed separately using Bayesian hierarchical random-effects models with a Gaussian observation submodel for log(Risk), computed using the "brms" R package. For lung cancer incidence, the predicted posterior mean relative risks (RRs) at arsenic concentrations of 10, 50 and 150 μg/L were 1.11 (0.86-1.43), 1.67 (1.27-2.17) and 2.21 (1.61-3.02), respectively, with posterior probabilities of 79%, 100% and 100%, respectively, for the RRs to be >1. The posterior mean mortality ratios at 20, 50 and 150 μg/L were 1.22 (0.83-1.78), 2.10 (1.62-2.71) and 2.41 (1.88-3.08), respectively, with posterior probabilities being above 80%. In addition to observing the dose-response relationship, these findings demonstrate that individuals exposed to low to moderate levels of arsenic (<150 μg/L) were at an elevated risk of developing or dying from lung cancer. Given the widespread exposure to lower levels of arsenic, there is an urgent need for vigilance and potential revisions to regulatory guidelines to protect people from the cancer risks associated with arsenic exposure.
    MeSH term(s) Humans ; Drinking Water/adverse effects ; Arsenic/toxicity ; Bayes Theorem ; Water Pollutants, Chemical/toxicity ; Lung Neoplasms/chemically induced ; Lung Neoplasms/epidemiology ; Environmental Exposure/adverse effects
    Chemical Substances Drinking Water ; Arsenic (N712M78A8G) ; Water Pollutants, Chemical
    Language English
    Publishing date 2024-01-11
    Publishing country United States
    Document type Meta-Analysis ; Systematic Review ; Journal Article
    ZDB-ID 204477-8
    ISSN 1096-0333 ; 0041-008X
    ISSN (online) 1096-0333
    ISSN 0041-008X
    DOI 10.1016/j.taap.2024.116808
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: What Factors Are Associated with Attitudes towards HPV Vaccination among Kazakhstani Women? Exploratory Analysis of Cross-Sectional Survey Data.

    Aimagambetova, Gulzhanat / Babi, Aisha / Issa, Torgyn / Issanov, Alpamys

    Vaccines

    2022  Volume 10, Issue 5

    Abstract: Background. ...

    Abstract Background.
    Language English
    Publishing date 2022-05-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2703319-3
    ISSN 2076-393X
    ISSN 2076-393X
    DOI 10.3390/vaccines10050824
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Risk prediction models for lung cancer in people who have never smoked: a protocol of a systematic review.

    Issanov, Alpamys / Aravindakshan, Atul / Puil, Lorri / Tammemägi, Martin C / Lam, Stephen / Dummer, Trevor J B

    Diagnostic and prognostic research

    2024  Volume 8, Issue 1, Page(s) 3

    Abstract: Background: Lung cancer is one of the most commonly diagnosed cancers and the leading cause of cancer-related death worldwide. Although smoking is the primary cause of the cancer, lung cancer is also commonly diagnosed in people who have never smoked. ... ...

    Abstract Background: Lung cancer is one of the most commonly diagnosed cancers and the leading cause of cancer-related death worldwide. Although smoking is the primary cause of the cancer, lung cancer is also commonly diagnosed in people who have never smoked. Currently, the proportion of people who have never smoked diagnosed with lung cancer is increasing. Despite this alarming trend, this population is ineligible for lung screening. With the increasing proportion of people who have never smoked among lung cancer cases, there is a pressing need to develop prediction models to identify high-risk people who have never smoked and include them in lung cancer screening programs. Thus, our systematic review is intended to provide a comprehensive summary of the evidence on existing risk prediction models for lung cancer in people who have never smoked.
    Methods: Electronic searches will be conducted in MEDLINE (Ovid), Embase (Ovid), Web of Science Core Collection (Clarivate Analytics), Scopus, and Europe PMC and Open-Access Theses and Dissertations databases. Two reviewers will independently perform title and abstract screening, full-text review, and data extraction using the Covidence review platform. Data extraction will be performed based on the Checklist for Critical Appraisal and Data Extraction for Systematic Reviews of Prediction Modeling Studies (CHARMS). The risk of bias will be evaluated independently by two reviewers using the Prediction model Risk-of-Bias Assessment Tool (PROBAST) tool. If a sufficient number of studies are identified to have externally validated the same prediction model, we will combine model performance measures to evaluate the model's average predictive accuracy (e.g., calibration, discrimination) across diverse settings and populations and explore sources of heterogeneity.
    Discussion: The results of the review will identify risk prediction models for lung cancer in people who have never smoked. These will be useful for researchers planning to develop novel prediction models, and for clinical practitioners and policy makers seeking guidance for clinical decision-making and the formulation of future lung cancer screening strategies for people who have never smoked.
    Systematic review registration: This protocol has been registered in PROSPERO under the registration number CRD42023483824.
    Language English
    Publishing date 2024-02-13
    Publishing country England
    Document type Journal Article
    ISSN 2397-7523
    ISSN (online) 2397-7523
    DOI 10.1186/s41512-024-00166-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: What Factors Are Associated with Attitudes towards HPV Vaccination among Kazakhstani Women? Exploratory Analysis of Cross-Sectional Survey Data

    Gulzhanat Aimagambetova / Aisha Babi / Torgyn Issa / Alpamys Issanov

    Vaccines, Vol 10, Iss 824, p

    2022  Volume 824

    Abstract: Background. The high prevalence of HPV infection among Kazakhstani women and the absence of an HPV vaccination program are directly reflected in increasing rates of cervical cancer incidence and mortality. Kazakhstan made its first attempt at introducing ...

    Abstract Background. The high prevalence of HPV infection among Kazakhstani women and the absence of an HPV vaccination program are directly reflected in increasing rates of cervical cancer incidence and mortality. Kazakhstan made its first attempt at introducing the HPV vaccine in 2013, but was unsuccessful due to complications and low public acceptance. The attitudes of Kazakhstani women towards the vaccine were never measured. Therefore, this study aims to investigate the attitudes of women towards the HPV vaccine and determine factors associated with positive, negative, or neutral attitudes. Methods. A 29-item survey consisting of 21 demographic and contextual questions and 8 Likert-scale questions was distributed among women attending gynecological offices in four major cities of Kazakhstan from December 2021 until February 2022. Attitudes of women were measured based on their answers to the eight Likert-scale questions. Ordinal logistic regression was built to find associations between demographic characteristics and attitudes of women. Results. Two hundred thirty-three women were included in the final analysis. A total of 54% of women had positive attitudes towards the vaccine. The majority of women did not trust or had a neutral attitude towards the government, pharmaceutical industry, and traditional and alternative media. However, the trust of women was high in medical workers and scientific researchers. Women’s age, education, number of children, effect of the 2013 HPV program, and trust in alternative medicine were included in the ordinal logistic model. Women with a low level of education, a high number of children, who believe in alternative medicine, and who were affected by the failed 2013 vaccination program were less likely to have a positive attitude towards the vaccine. Conclusions. Contrary attitudes towards HPV vaccination exist among Kazakhstani women, with approximately half having positive and almost half having negative or neutral attitudes towards the vaccine. An informational campaign that ...
    Keywords HPV ; HPV vaccine ; HPV vaccine knowledge ; HPV vaccine awareness ; Kazakhstan ; cervical cancer prevention ; Medicine ; R
    Subject code 300
    Language English
    Publishing date 2022-05-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Knowledge, attitude, and practice toward COVID-19 vaccination in Kazakhstan: a cross-sectional study.

    Issanov, Alpamys / Akhmetzhanova, Zylkiya / Riethmacher, Dieter / Aljofan, Mohamad

    Human vaccines & immunotherapeutics

    2021  Volume 17, Issue 10, Page(s) 3394–3400

    Abstract: ... ...

    Abstract Background
    MeSH term(s) Adolescent ; Adult ; COVID-19 ; COVID-19 Vaccines ; Cross-Sectional Studies ; Female ; Health Knowledge, Attitudes, Practice ; Humans ; Kazakhstan ; Male ; SARS-CoV-2 ; Vaccination ; Young Adult
    Chemical Substances COVID-19 Vaccines
    Language English
    Publishing date 2021-05-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2664176-8
    ISSN 2164-554X ; 2164-5515
    ISSN (online) 2164-554X
    ISSN 2164-5515
    DOI 10.1080/21645515.2021.1925054
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Prevalence of high-risk human papillomavirus infection and genotype distribution among Kazakhstani women with abnormal cervical cytology.

    Babi, Aisha / Issa, Torgyn / Gusmanov, Arnur / Akilzhanova, Ainur / Issanov, Alpamys / Makhmetova, Nurgul / Marat, Aizada / Iztleuov, Yerbolat / Aimagambetova, Gulzhanat

    Annals of medicine

    2024  Volume 56, Issue 1, Page(s) 2304649

    Abstract: Aim: This study aimed to identify the prevalence and distribution of high-risk human papillomavirus (HR-HPV) types among Kazakhstani women with abnormal cervical cytology.: Methods: A cross-sectional study was performed from May 2019 to June 2020. ... ...

    Abstract Aim: This study aimed to identify the prevalence and distribution of high-risk human papillomavirus (HR-HPV) types among Kazakhstani women with abnormal cervical cytology.
    Methods: A cross-sectional study was performed from May 2019 to June 2020. Cervical samples were collected from women in the different regions of Kazakhstan.
    Results: A total of 316 patients' samples were analysed for HR-HPV using real-time multiplex PCR. Cervical cytology abnormalities were reported according to the Bethesda classification. HPV detection by cytology showed a statistically significant association with HPV status and the number of HPV infection types (
    Conclusions: There is a high prevalence of HR-HPV types among Kazakhstani women with abnormal cervical cytology. The most identified types were HPV16, 18, 31, 33 and 52. There is an emergency need to implement an HPV vaccination program to prevent cervical lesion development.
    MeSH term(s) Humans ; Female ; Uterine Cervical Neoplasms/epidemiology ; Papillomavirus Infections/epidemiology ; Prevalence ; Cross-Sectional Studies ; Genotype ; Papillomaviridae/genetics
    Language English
    Publishing date 2024-01-18
    Publishing country England
    Document type Journal Article
    ZDB-ID 1004226-x
    ISSN 1365-2060 ; 1651-2219 ; 0785-3890 ; 1743-1387
    ISSN (online) 1365-2060 ; 1651-2219
    ISSN 0785-3890 ; 1743-1387
    DOI 10.1080/07853890.2024.2304649
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Prevalence of high-risk human papillomavirus infection and genotype distribution among Kazakhstani women with abnormal cervical cytology

    Aisha Babi / Torgyn Issa / Arnur Gusmanov / Ainur Akilzhanova / Alpamys Issanov / Nurgul Makhmetova / Aizada Marat / Yerbolat Iztleuov / Gulzhanat Aimagambetova

    Annals of Medicine, Vol 56, Iss

    2024  Volume 1

    Abstract: AbstractAim This study aimed to identify the prevalence and distribution of high-risk human papillomavirus (HR-HPV) types among Kazakhstani women with abnormal cervical cytology.Methods A cross-sectional study was performed from May 2019 to June 2020. ... ...

    Abstract AbstractAim This study aimed to identify the prevalence and distribution of high-risk human papillomavirus (HR-HPV) types among Kazakhstani women with abnormal cervical cytology.Methods A cross-sectional study was performed from May 2019 to June 2020. Cervical samples were collected from women in the different regions of Kazakhstan.Results A total of 316 patients’ samples were analysed for HR-HPV using real-time multiplex PCR. Cervical cytology abnormalities were reported according to the Bethesda classification. HPV detection by cytology showed a statistically significant association with HPV status and the number of HPV infection types (p < .05). Among women with abnormal cervical cytology, 62.4% were positive for HPV infection of those 79.4% had low-grade squamous intraepithelial lesions (LSIL), and 20.6% had high-grade squamous intraepithelial lesions (HSIL). Among patients with LSIL, 77.4% had HPV16 and 58.8% were infected with HPV18. Among patients with HSIL, 41.2% had HPV18 and 22.6% – HPV16.Conclusions There is a high prevalence of HR-HPV types among Kazakhstani women with abnormal cervical cytology. The most identified types were HPV16, 18, 31, 33 and 52. There is an emergency need to implement an HPV vaccination program to prevent cervical lesion development.
    Keywords Cervical cancer ; HPV ; high-risk HPV ; HPV epidemiology ; LSIL ; HSIL ; Medicine ; R
    Subject code 610
    Language English
    Publishing date 2024-12-01T00:00:00Z
    Publisher Taylor & Francis Group
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Does Vaccination Protect against Human Papillomavirus-Related Cancers? Preliminary Findings from the United States National Health and Nutrition Examination Survey (2011-2018).

    Issanov, Alpamys / Karim, Mohammad Ehsanul / Aimagambetova, Gulzhanat / Dummer, Trevor J B

    Vaccines

    2022  Volume 10, Issue 12

    Abstract: Most oropharyngeal and anogenital cancers are caused by human papillomavirus (HPV). Although HPV vaccines showed high efficacy against oropharyngeal and anogenital HPV infections, and cancer precursors in randomized clinical trials, there are limited ... ...

    Abstract Most oropharyngeal and anogenital cancers are caused by human papillomavirus (HPV). Although HPV vaccines showed high efficacy against oropharyngeal and anogenital HPV infections, and cancer precursors in randomized clinical trials, there are limited data on the effectiveness of HPV vaccination against HPV-related cancers. We aimed to evaluate the association of HPV vaccination with HPV-related cancers among a nationally representative sample of United States adults, aged 20-59 years. In a cross-sectional study combining four cycles from the National Health and Nutrition Examination Survey, from 2011 through 2018, we used a survey-weighted logistic regression model, propensity score matching and multiple imputations by chained equations to explore the association of HPV vaccination with HPV-related cancers. Among 9891 participants, we did not find an association of HPV vaccination with HPV-related cancers (adjusted OR = 0.58, 95% CI 0.19; 1.75). Despite no statistically significant association between HPV vaccination and HPV-related cancers, our study findings suggest that HPV-vaccinated adults might have lower odds of developing HPV-related cancers than those who were not vaccinated. Given the importance of determining the impact of vaccination on HPV-related cancers, there is a need to conduct future research by linking cancer registry data with vaccination records, to obtain more robust results.
    Language English
    Publishing date 2022-12-10
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2703319-3
    ISSN 2076-393X
    ISSN 2076-393X
    DOI 10.3390/vaccines10122113
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Trends of HIV/AIDS knowledge and attitudes among Nigerian women between 2007 and 2017 using Multiple Indicator Cluster Survey data

    Enyinnaya Ukaegbu / Raushan Alibekova / Syed Ali / Byron Crape / Alpamys Issanov

    BMC Public Health, Vol 22, Iss 1, Pp 1-

    2022  Volume 12

    Abstract: Abstract Background Globally, Nigeria ranks third among the countries with the highest number of People Living with HIV (PLHIV). Given that HIV/AIDS knowledge is a key factor that determines the risk of transmission and certain attitudes towards PLHIV, ... ...

    Abstract Abstract Background Globally, Nigeria ranks third among the countries with the highest number of People Living with HIV (PLHIV). Given that HIV/AIDS knowledge is a key factor that determines the risk of transmission and certain attitudes towards PLHIV, there is a need to understand the trend of HIV knowledge within the population for the purpose of assessing the progress and outcome of HIV prevention strategies. The aim of the study was to understand the trends of HIV/AIDS knowledge and attitude towards PLHIV between 2007 to 2017 among Nigerian women, and to investigate change in the factors associated with HIV/AIDS knowledge and attitude towards PLHIV over years. Methods Data were derived from three Nigerian Multiple Indicator Cluster Surveys (2007, 2011 and 2016–2017) among women aged 15–49 years old from each geo-political zone (South South, South East, South West, North East, North West, North Central) in Nigeria. Participants who did not answer questions related to HIV/AIDS knowledge and attitude were excluded from the study. The final sample sizes were 17,733 for 2007, 26,532 for 2011 and 23,530 for 2017. In descriptive statistics, frequencies represented the study sample, while percentages represented weighted estimates for the population parameters. Rao-Scott chi-square test for complex survey design studies was used to assess bivariable associations. Factors associated with outcome variables were examined using the survey-weighted multivariable logistic regression models for the complex survey design while controlling for potential confounding variables. Results There was a relatively high level of HIV/AIDS knowledge level in 2007 and 2016–2017 surveys (64.6 and 64.1%, respectively), however a decrease in HIV/AIDS knowledge trend was observed in 2011 (45.6%). The positive attitude towards PLHIV progressively increased across the years (from 40.5 to 47.0% to 53.5%). Multivariable analysis revealed that women who had a higher educational level, higher wealth index, and lived in urban areas had higher odds ...
    Keywords HIV/AIDS ; Knowledge ; Attitude ; Temporal trends ; Nigeria ; Public aspects of medicine ; RA1-1270
    Subject code 306
    Language English
    Publishing date 2022-03-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Trends of HIV/AIDS knowledge and attitudes among Nigerian women between 2007 and 2017 using Multiple Indicator Cluster Survey data.

    Ukaegbu, Enyinnaya / Alibekova, Raushan / Ali, Syed / Crape, Byron / Issanov, Alpamys

    BMC public health

    2022  Volume 22, Issue 1, Page(s) 440

    Abstract: Background: Globally, Nigeria ranks third among the countries with the highest number of People Living with HIV (PLHIV). Given that HIV/AIDS knowledge is a key factor that determines the risk of transmission and certain attitudes towards PLHIV, there is ...

    Abstract Background: Globally, Nigeria ranks third among the countries with the highest number of People Living with HIV (PLHIV). Given that HIV/AIDS knowledge is a key factor that determines the risk of transmission and certain attitudes towards PLHIV, there is a need to understand the trend of HIV knowledge within the population for the purpose of assessing the progress and outcome of HIV prevention strategies. The aim of the study was to understand the trends of HIV/AIDS knowledge and attitude towards PLHIV between 2007 to 2017 among Nigerian women, and to investigate change in the factors associated with HIV/AIDS knowledge and attitude towards PLHIV over years.
    Methods: Data were derived from three Nigerian Multiple Indicator Cluster Surveys (2007, 2011 and 2016-2017) among women aged 15-49 years old from each geo-political zone (South South, South East, South West, North East, North West, North Central) in Nigeria. Participants who did not answer questions related to HIV/AIDS knowledge and attitude were excluded from the study. The final sample sizes were 17,733 for 2007, 26,532 for 2011 and 23,530 for 2017. In descriptive statistics, frequencies represented the study sample, while percentages represented weighted estimates for the population parameters. Rao-Scott chi-square test for complex survey design studies was used to assess bivariable associations. Factors associated with outcome variables were examined using the survey-weighted multivariable logistic regression models for the complex survey design while controlling for potential confounding variables.
    Results: There was a relatively high level of HIV/AIDS knowledge level in 2007 and 2016-2017 surveys (64.6 and 64.1%, respectively), however a decrease in HIV/AIDS knowledge trend was observed in 2011 (45.6%). The positive attitude towards PLHIV progressively increased across the years (from 40.5 to 47.0% to 53.5%). Multivariable analysis revealed that women who had a higher educational level, higher wealth index, and lived in urban areas had higher odds for HIV/AIDS knowledge and positive attitude towards PLHIV across the years. In addition, the Northern zones had predominantly higher knowledge and attitude levels.
    Conclusions: Our study found increasing tendency for high HIV/AIDS knowledge and positive attitude towards PLHIV over the years. Women's age, wealth index, education level and residence were consistently associated with knowledge and attitude over the years. There is a need for more pragmatic HIV/AIDS-related knowledge action plan to target to cover all age groups, all geo-political zones while paying close attention to the rural areas and the less educated women. In addition, more replicative studies of HIV/AIDS knowledge and attitude trends is crucial in monitoring of the progress of HIV interventions in the country in the coming years.
    MeSH term(s) Acquired Immunodeficiency Syndrome/epidemiology ; Adolescent ; Adult ; Female ; HIV Infections/epidemiology ; Health Knowledge, Attitudes, Practice ; Humans ; Male ; Middle Aged ; Nigeria ; Surveys and Questionnaires ; Young Adult
    Language English
    Publishing date 2022-03-04
    Publishing country England
    Document type Journal Article
    ZDB-ID 2041338-5
    ISSN 1471-2458 ; 1471-2458
    ISSN (online) 1471-2458
    ISSN 1471-2458
    DOI 10.1186/s12889-022-12865-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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