Publications by authors named "Rei Haruyama"

Article Synopsis
  • The study investigates the rising burden of cancer in India, specifically focusing on the low rates of breast and cervical cancer testing among women, and how socioeconomic, regional, and educational factors contribute to this issue.
  • Data from the 2019-21 National Family Health Survey indicated very low testing rates (9 per 1,000 for breast cancer and 20 per 1,000 for cervical cancer), with significant disparities: wealthier women had much higher screening rates, and rural women faced greater inequalities compared to urban counterparts.
  • The findings highlight a critical need for targeted efforts to improve cancer screening services, particularly for lower-educated and rural women, in order to address these disparities in health equity.
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Background: Cervical cancer presents a considerable challenge in South Asia, notably in Nepal, where screening remains limited. Past research in Nepal lacked national representation and a thorough exploration of factors influencing cervical cancer screening, such as educational and socioeconomic disparities. This study aims to measure these gaps and identify associated factors in testing for early detection of cervical cancer among Nepalese women.

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Objectives: The rapid spread of the SARS-CoV-2 Omicron variant has raised concerns regarding waning vaccine-induced immunity and durability. We evaluated protection of the third-dose and fourth-dose mRNA vaccines against SARS-CoV-2 Omicron subvariant and its sublineages.

Design: Systematic review and meta-analysis.

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Article Synopsis
  • The Global Breast Cancer Initiative (GBCI), launched by WHO in 2023, focuses on improving early detection and management of breast cancer across 21 Asian countries.
  • A study investigated data availability for key performance indicators (KPIs) like stage at diagnosis and treatment completion by reviewing literature and national cancer reports.
  • Findings showed that only 57% of countries published relevant national cancer statistics, with significant differences from WHO estimates, and highlighted a strong link between early diagnosis, survival rates, and universal health coverage.
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The optimal range of gestational weight gain (GWG) was recently raised in Japan. This may help reduce small-for-gestational-age (SGA) infants, but may also increase large-for-gestational-age (LGA) infants. This study performed hypothetical experiments to determine effective GWG advice based on quantile regression analysis.

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Objective: Self-sampled human papillomavirus (HPV) testing is a potential option for cervical cancer screening, but research is scarce in Cambodia. We evaluated the feasibility, accuracy, and acceptability of self-sampled HPV testing using careHPV.

Methods: A cross-sectional study including women aged 20-49 years attending 2 national hospitals in the capital city was conducted.

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About 95% of cervical cancers worldwide are caused by human papillomavirus (HPV). Cervical cancer is preventable and curable if it is detected and treated early. We reviewed the latest national cervical cancer indicators, and barriers to HPV vaccination and cervical cancer screening in 21 Asian National Cancer Centers Alliance (ANCCA) member countries.

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The infection control team (ICT) ensures the implementation of infection control guidelines in healthcare facilities. This systematic review aims to evaluate the effectiveness of ICT, with or without an infection control link nurse (ICLN) system, in reducing healthcare-associated infections (HCAIs). We searched four databases to identify randomised controlled trials (RCTs) in inpatient, outpatient and long-term care facilities.

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The World Health Organization's Western Pacific Region is responsible for one-fourth of the global cervical cancer burden, and nearly 90% of that burden is concentrated in middle-income countries (MICs). Applying a conceptual model of implementation of population-based interventions, we synthesized the current implementation status of human papillomavirus (HPV) vaccination and national plans that form the basis of its implementation in 17 MICs. We gathered information from a range of governmental documents, published studies, and global databases.

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Following the global call to action by the World Health Organization (WHO), the world is currently moving to eliminate cervical cancer as a public health problem. To eliminate the cancer within this century, which is defined as an age-adjusted cervical cancer incidence rate (ASIR) below 4 per 100,000 women, WHO recommends all countries to achieve "90-70-90" targets for human papilloma virus (HPV) vaccination, cervical cancer screening, and treatment of precancer and cancer by 2030. In Japan, ASIR has been rising since the late 1990s to 11.

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Globally, an estimated 570,000 women are newly diagnosed with cervical cancer, and 311,000 women die every year, with approximately 90% of the cases occurring in low- and middle-income countries (LMICs). Cervical cancer is the most common cancer in women in Cambodia, with age-standard incidence rate of 13.5/100,000 and mortality rate of 10.

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Introduction: Cervical cancer is controllable through appropriate interventions such as vaccination, screening, treatment, early diagnosis and palliative care. The greatest burden of cervical cancer lies in low-income countries (LIC) where most of these services are missing or developed asymmetrically. Indeed, it is important to have not just an expansion, but a symmetric and concordant development of each service.

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Article Synopsis
  • Cervical cancer is preventable, and countries should implement evidence-based health services to minimize its incidence, focusing on two service packages: the Essential Cancer Package (9 interventions) and the Primary Care Package (5 interventions).
  • Based on a WHO survey, only 21% of countries provide all interventions in the Essential Cancer Package and 19.1% for the Primary Care Package, with higher coverage in Europe and high-income countries.
  • To effectively combat cervical cancer, it's crucial to develop and increase access to the services in both packages, and integrate them into broader cancer control strategies worldwide.
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Article Synopsis
  • Chest radiographs should be taken when patients are at peak inspiration for accurate readings, but this is challenging with young children who can’t hold their breath.
  • A study involving 124 children under 3 years tested a breathing sensor to see if it would improve the number of chest X-rays taken during inspiration.
  • Results showed that 81% of images were taken during inspiration with no significant difference between groups, suggesting that while the sensor didn’t increase inspiration rates, it could still have potential for future automation in radiography.
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We investigated the prevalence and factors associated with hypertension, its treatment, and control using individual-level data from 300,249 respondents aged 20 years and older from the Japanese National Health and Nutrition Survey for the period of 1975⁻2010. We applied multivariate random effects logistic regression to assess associations between the risk factors and the prevalence of hypertension, the proportion of uncontrolled hypertension, and the proportions of respondents seeking treatment and controlling hypertension. The trends in the effect of the birth cohort on uncontrolled hypertension were also examined.

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Over 80% of perinatal mortality in Japan is due to stillbirths after 22 weeks of gestation, with one in 300 families experiencing fetal loss every year. This study aimed to assess causes and risk factors for singleton stillbirth in Japan. A retrospective cross-sectional study was conducted using the Japan Society of Obstetrics and Gynecology Perinatal Database from January 2013 to December 2014.

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