Lisa Kawatsu

ORCID: 0000-0003-2666-844X
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About
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Research Areas
  • Tuberculosis Research and Epidemiology
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Diagnosis and treatment of tuberculosis
  • Infectious Diseases and Tuberculosis
  • Mycobacterium research and diagnosis
  • Pneumonia and Respiratory Infections
  • Healthcare Systems and Reforms
  • Chronic Disease Management Strategies
  • Emergency and Acute Care Studies
  • Schizophrenia research and treatment
  • HIV/AIDS Impact and Responses
  • Influenza Virus Research Studies
  • Global Public Health Policies and Epidemiology
  • Global Maternal and Child Health
  • Viral Infections and Outbreaks Research
  • Data-Driven Disease Surveillance
  • Machine Learning in Healthcare
  • Viral Infections and Vectors
  • Health disparities and outcomes
  • COVID-19 Clinical Research Studies
  • Mental Health and Patient Involvement
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Homelessness and Social Issues
  • Smoking Behavior and Cessation
  • Global Health Care Issues

Nagoya City University
2024

Japan Anti Tuberculosis Association
2013-2023

Novosibirsk Tuberculosis Research Institute
2020

World Health Organization Regional Office for the Western Pacific
2020

Rationale: The epidemiology of nontuberculous mycobacterial pulmonary disease (NTM-PD) remains unclear in the majority countries, including Japan.Objectives: To estimate nationwide incidence and prevalence NTM-PD Japan to describe case characteristics geographical variation.Methods: In this cross-sectional study, we analyzed data from all health insurance claims made for collected National Database between 2009 2014. A patient with was identified on basis at least one claim submitted...

10.1513/annalsats.201806-366oc article EN Annals of the American Thoracic Society 2018-10-19

The Western Pacific Region has one of the fastest-growing populations older adults (≥ 65 years) globally, among whom tuberculosis (TB) poses a particular concern. This study reports country case studies from China, Japan, Republic Korea, and Singapore reflecting on their experiences in managing TB adults.Across all four countries, notification incidence rates were highest adults, but clinical public health guidance focused this population was limited. Individual illustrated range practices...

10.1186/s12889-023-15197-7 article EN cc-by BMC Public Health 2023-02-21

Introduction:We studied the characteristics and treatment outcomes of following risk groups for tuberculosis (TB): those with HIV diabetes mellitus (DM), contact cases, homeless, foreigners, health care workers (HCW) elderly.Method: A descriptive cross-sectional study was conducted by analysing Japanese surveillance data all cases registered between 2007 2010 (n = 96 689). Results:The annual proportion TB group stable over period, although there a slight but significant increase observed...

10.5365/wpsar.2012.3.4.016 article EN cc-by Western Pacific surveillance response journal 2013-01-13

Management of latent tuberculosis infection (LTBI) is one the core elements End TB Strategy. Japan few countries in which notification LTBI mandatory, yet so far, data has not been analyzed detail. We thus conducted a cross-sectional study to examine trend LTBI, its treatment outcome and factors predicting non-completion for period 2007 2014, using from electronic Tuberculosis Surveillance system. Treatment completion was defined as those whose reason terminating recorded "treatment...

10.1371/journal.pone.0186588 article EN cc-by PLoS ONE 2017-11-01

The proportion of foreign-born people among the newly notified tuberculosis (TB) patients has been increasing in recent years and potentially poses a new challenge to TB control Japan. In this report, we analysed data from Japan surveillance system between 2007 2014 gain an overview trends characteristics We found that was especially high younger age groups - 44.1% 20-29 group 2014. largest were China Philippines; however, number those Nepal Viet Nam on rise. Students comprised second...

10.5365/wpsar.2016.7.1.008 article EN cc-by Western Pacific surveillance response journal 2016-06-15

Objective: To quantitatively and qualitatively describe some of the challenges faced by Philippines' health insurance programme, PhilHealth, in era Universal Health Coverage. Methods: A descriptive study using a mixture quantitative qualitative methods. Quantitative data were collected from various sources semi-structured interviews conducted among staff relevant organisations. We focused particularly on enrolment process eligible individuals system reimbursement five local government units...

10.5588/pha.18.0046 article EN cc-by Public Health Action 2018-12-21

Background The treatment success rate of pulmonary tuberculosis (PTB) patients aged 64 years and below in Japan, a (TB) middle-burden country with notification 13.9 per 100,000 populations 2016, has been fluctuating around 70% for some years. In order to improve outcome, it is critical address those lost follow-up (LTFU). objective the study therefore was describe characteristics of, analyze risk factors LTFU among TB between 15 64, discuss policy implications. Methods used mixed method...

10.1371/journal.pone.0198075 article EN cc-by PLoS ONE 2018-06-15

To evaluate the effectiveness of social network analysis (SNA) in prioritising contacts a tuberculosis (TB) contact investigation.We reviewed and analysed patient investigation data from large outbreak that occurred Tokyo, Japan, between 2010 2012. Relevant were extracted to create matrix, which was then using SNA software visualise calculate metrics (degree betweenness) for all patients contacts. Statistical analyses conducted examine whether degree betweenness centrality scores could...

10.5588/ijtld.15.0378 article EN The International Journal of Tuberculosis and Lung Disease 2015-10-13

<sec><title>BACKGROUND</title>Mid-treatment cross-border migration of patients with TB increases the risk treatment interruption.</sec><sec><title>OBJECTIVE</title>To establish a referral process for in Japan, and enhance their access to health facilities outcomes.</sec><sec><title>DESIGN</title>This prospective cohort study describes assesses foreign-born who returned home countries during treatment, focusing on healthcare...

10.5588/pha.23.0052 article EN cc-by Public Health Action 2024-03-01

Since 2000, the Public Health Centre (PHC) in Shinjuku, an area of Tokyo with one largest homeless populations Japan, has been implementing PHC-based DOTS treatment for tuberculosis (TB) patients, much epidemiological success. Anecdotal evidence indicates that patients treated under have experienced various positive changes. However, this experience not yet systematically analysed.To explore changes by TB and to discuss possible role effecting these changes.A qualitative study via in-depth...

10.5588/ijtld.12.0503 article EN The International Journal of Tuberculosis and Lung Disease 2013-05-07

Abstract Background Screening for latent tuberculosis infection (LTBI) among migrant population has become a critical issue many low (TB) burden countries. Evidence regarding effectiveness of LTBI programs are limited, however, partly because paucity national data on treatment outcomes LTBI. In Japan, notification is mandatory, and its outcome reported as part Japan’s TB surveillance system. We thus conducted detailed analysis foreign-born persons, to update the epidemiological trend newly...

10.1186/s12879-020-05712-1 article EN cc-by BMC Infectious Diseases 2021-01-09

Although monitoring and evaluation using standardised indicators is an important aspect of tuberculosis (TB) contact investigation, no attempts have been made to systematically evaluate investigations in Japan.To TB conducted public health centres (PHCs) by estimating the scores selected indicators.A cross-sectional study was 2012 estimate six indicator for tracing, treatment at 11 PHCs registry relevant investigation records all forms newly notified active cases. Indicator were compared...

10.5588/ijtld.16.0508 article EN The International Journal of Tuberculosis and Lung Disease 2017-01-18

To measure the effect of employment and health insurance status on survival working age tuberculosis (TB) patients in Japan.Retrospective cohort analysis new smear-positive pulmonary TB aged 15-59 years registered Japanese national surveillance system between 2007 2010. We performed univariate multivariate Cox proportional hazard model analysis. The curves for were calculated using Kaplan-Meier analysis.Of 9097 studied, 267 (2.9%) died within 12 months. After adjustment with a model,...

10.5588/ijtld.14.0104 article EN The International Journal of Tuberculosis and Lung Disease 2015-02-13

Multidrug resistant-tuberculosis (MDR-TB) is a major global health concern. Its treatment requires toxic medications, longer and costlier than drug-susceptible TB, often results in productivity losses poor outcomes. In Japan, TB middle-burden country, reports on outcome of MDR-TB patients have only been institution-based. We thus sought to shed some light the nationwide status Japan.Characteristics notified between 2011 2013 were evaluated using data from Japan Surveillance (JTBS) system....

10.1186/s12879-018-3353-9 article EN cc-by BMC Infectious Diseases 2018-08-31

This report examines the characteristics and treatment outcomes of patients with tuberculosis (TB) who are coinfected HIV in Japan. Active TB cases newly notified to Japan Tuberculosis Surveillance system during 2012-2020 were analysed retrospectively, which 379 HIV-positive reported. The proportion among those known status increased, from 1.9% (62/3328) 2012 3.5% (31/877) 2020. unknown testing was consistently high, at approximately 60%, did not undergo increased significantly, 21.6%...

10.5365/wpsar.2022.13.1.896 article EN cc-by Western Pacific surveillance response journal 2022-01-01

Objectives: To study the trends in and risk factors for patient delay (the time from onset of symptoms to initial doctor visit) pulmonary tuberculosis (PTB) using three temporal categories − short (2 weeks <2 months), medium months <6 months) long (≥6 discuss implications social protection measures. Methods: A descriptive cross-sectional was conducted by analysing Japanese TB surveillance data patients with symptomatic PTB registered between 2007 2017 (n = 88 351). Results: While...

10.5365/wpsar.2019.10.1.010 article EN cc-by Western Pacific surveillance response journal 2020-06-30

Background Loss to follow-up (LTFU) is an unsuccessful treatment outcome for tuberculosis (TB) patients. In Malaysia, LTFU affects around 1 in 20 TB Integration of qualitative research methods and evidence will provide a better understanding its underlying issues. this study, we qualitatively explored patients’ experiences receiving their reasons leaving care. Method In-depth interviews 15 patients with history were conducted from January September 2020. Interview guides developed explore...

10.1371/journal.pone.0289222 article EN cc-by PLoS ONE 2023-09-07

BACKGROUND: Prison inmates are considered a high-risk population for tuberculosis (TB) in Japan. However, they currently only screened active TB using chest X-ray (CXR) as part of an annual health check.OBJECTIVE: To evaluate the cost-effectiveness screening latent infection (LTBI) interferon-gamma release assay (IGRA) on entry into prison institutions.METHOD: We developed transmission model TB, taking consideration and LTBI epidemiology among Using decision tree, we compared evaluated no...

10.5588/ijtld.19.0448 article EN The International Journal of Tuberculosis and Lung Disease 2020-05-01
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