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A. Ohkado · SciRah

Researcher profile · Semantic Scholar

A. Ohkado

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A. Ohkado — researcher profile on SciRah

h-index: 15
Works: 80
Citations: 808

Most-cited papers

Comparison of different treatments for isoniazid-resistant tuberculosis: an individual patient data meta-analysis
F. Fregonese, S. Ahuja, O. Akkerman, D. Arakaki-Sánchez +54 more
2018The Lancet Respiratory Medicine97 citations Open access
Semantic Scholar
Tuberculosis in older adults: challenges and best practices in the Western Pacific Region
A. Teo, F. Morishita, T. Islam, K. Viney +14 more
2023The Lancet Regional Health - Western Pacific65 citations Open access
Semantic Scholar
Prevalence and associated factors of depressive state among pulmonary tuberculosis patients in Manila, The Philippines.
Shoichi Masumoto, Taro Yamamoto, A. Ohkado, S. Yoshimatsu +2 more
2014The International Journal of Tuberculosis and Lung Disease56 citations Open access
Semantic Scholar
Clonal Expansion of Multidrug-Resistant and Extensively Drug-Resistant Tuberculosis, Japan
Y. Murase, S. Maeda, Hiroyuki Yamada, A. Ohkado +4 more
2010Emerging Infectious Diseases44 citations Open access
Semantic Scholar
Factors associated with health-related quality of life among pulmonary tuberculosis patients in Manila, the Philippines
Shoichi Masumoto, Taro Yamamoto, A. Ohkado, S. Yoshimatsu +2 more
2014Quality of Life Research35 citations
Semantic Scholar
Detection of Tuberculosis Infection Hotspots Using Activity Spaces Based Spatial Approach in an Urban Tokyo, from 2003 to 2011
K. Izumi, A. Ohkado, K. Uchimura, Y. Murase +4 more
2015PLoS ONE32 citations Open access
Semantic Scholar
The published research paper: is it an important indicator of successful operational research at programme level?
R. Zachariah, K. Tayler-Smith, J. Ngamvithayapong-Yanai, M. Ota +7 more
2010Tropical medicine & international health30 citations Open access
Semantic Scholar
Characteristics and treatment outcomes of tuberculosis cases by risk groups, Japan, 2007-2010.
K. Uchimura, J. Ngamvithayapong-Yanai, L. Kawatsu, A. Ohkado +4 more
2013Western Pacific surveillance and response journal : WPSAR27 citations Open access
Semantic Scholar
Tuberculosis in older adults: case studies from four countries with rapidly ageing populations in the western pacific region
A. Teo, K. Rahevar, F. Morishita, Alicia X Y Ang +17 more
2023BMC Public Health25 citations Open access
Semantic Scholar
Trend and treatment status of latent tuberculosis infection patients in Japan – Analysis of Japan TB Surveillance data
L. Kawatsu, K. Uchimura, A. Ohkado
2017PLoS ONE23 citations Open access
Semantic Scholar
The challenges of the Philippines' social health insurance programme in the era of Universal Health Coverage.
A. Querri, A. Ohkado, L. Kawatsu, M. A. Remonte +2 more
2018Public Health Action21 citations Open access
Semantic Scholar
Whole-genome sequencing-based epidemiological analysis of anti-tuberculosis drug resistance genes in Japan in 2007: Application of the Genome Research for Asian Tuberculosis (GReAT) database
T. Takii, Kouhei Seki, Yasutaka Wakabayashi, Y. Morishige +9 more
2019Scientific Reports17 citations Open access
Semantic Scholar
Molecular epidemiology of Mycobacterium tuberculosis in an urban area in Japan, 2002-2006.
A. Ohkado, M. Nagamine, Y. Murase, K. Uchimura +9 more
2008The International Journal of Tuberculosis and Lung Disease16 citations
Semantic Scholar
Nationwide survey on the prevalence of anti-tuberculosis drug resistance in the Republic of Yemen, 2004.
A. Al-Akhali, A. Ohkado, A. Fujiki, S. Mitarai +7 more
2007The International Journal of Tuberculosis and Lung Disease16 citations
Semantic Scholar
Assessment of the role of community health volunteers in delivering primary health care in Manila, the Philippines
A. Querri, A. Ohkado, L. Kawatsu, J. Bermejo +3 more
202015 citations
Semantic Scholar
Profile of tuberculosis among the foreign-born population in Japan, 2007–2014
L. Kawatsu, K. Uchimura, K. Izumi, A. Ohkado +1 more
2016Western Pacific surveillance and response journal : WPSAR15 citations Open access
Semantic Scholar
Evaluation of an international training course to build programmatic capacity for tuberculosis control.
A. Ohkado, E. Pevzner, T. Sugiyama, K. Murakami +4 more
2010The International Journal of Tuberculosis and Lung Disease15 citations
Semantic Scholar
A combination of quantitative and qualitative methods in investigating risk factors for lost to follow-up for tuberculosis treatment in Japan – Are physicians and nurses at a particular risk?
L. Kawatsu, K. Uchimura, A. Ohkado, S. Kato
2018PLoS ONE14 citations Open access
Semantic Scholar
Trend and treatment outcomes of latent tuberculosis infection among migrant persons in Japan: retrospective analysis of Japan tuberculosis surveillance data
L. Kawatsu, K. Uchimura, A. Ohkado
2020BMC Infectious Diseases12 citations Open access
Semantic Scholar
Transmission of tuberculosis and predictors of large clusters within three years in an urban setting in Tokyo, Japan: a population-based molecular epidemiological study
K. Izumi, Y. Murase, K. Uchimura, Aya Kaebeta +4 more
2019BMJ Open12 citations Open access
Semantic Scholar
Enhancing tuberculosis patient detection and care through community volunteers in the urban poor, The Philippines.
A. Querri, A. Ohkado, S. Yoshimatsu, L. Coprada +6 more
2017Public Health Action12 citations Open access
Semantic Scholar
Tuberculosis drug resistance and treatment outcomes under DOTS settings in large cities in the Philippines.
A. Ohkado, L. Aguiman, S. Adlawan, E. Baring +5 more
2006The International Journal of Tuberculosis and Lung Disease11 citations
Semantic Scholar
[A SYSTEMATIC REVIEW ON THE PREVALENCE AND INCIDENCE OF LATENT TUBERCULOSIS INFECTION AMONG PRISON POPULATION].
L. Kawatsu, K. Uchimura, K. Izumi, A. Ohkado
2016Kekkaku (Tuberculosis)10 citations
Semantic Scholar
Permanent employment or public assistance may increase tuberculosis survival among working-age patients in Japan.
K. Uchimura, J. Ngamvithayapong-Yanai, L. Kawatsu, A. Ohkado +3 more
2015The International Journal of Tuberculosis and Lung Disease10 citations
Semantic Scholar
Can social network analysis assist in the prioritisation of contacts in a tuberculosis contact investigation?
L. Kawatsu, K. Izumi, K. Uchimura, M. Urakawa +2 more
2015The International Journal of Tuberculosis and Lung Disease10 citations
Semantic Scholar
A molecular epidemiologic analysis of Mycobacterium tuberculosis among Filipino patients in a suburban community in the Philippines.
J. C. Montoya, Y. Murase, C. Ang, J. Solon +1 more
2013Kekkaku (Tuberculosis)10 citations
Semantic Scholar
The management for tuberculosis control in Greater London in comparison with that in Osaka City: lessons for improvement of TB control management in Osaka City urban setting.
A. Ohkado, Gini Williams, N. Ishikawa, A. Shimouchi +1 more
2005Health Policy10 citations
Semantic Scholar
Treatment outcome of multidrug-resistant tuberculosis in Japan – the first cross-sectional study of Japan tuberculosis surveillance data
L. Kawatsu, K. Uchimura, K. Izumi, A. Ohkado +1 more
2018BMC Infectious Diseases9 citations Open access
Semantic Scholar
Evaluation of tuberculosis contact investigations in Japan.
K. Izumi, A. Ohkado, K. Uchimura, L. Kawatsu +3 more
2017The International Journal of Tuberculosis and Lung Disease9 citations
Semantic Scholar
Delay in health-care-seeking treatment among tuberculosis patients in Japan: what are the implications for control in the era of universal health coverage?
Reina Yoshikawa, L. Kawatsu, K. Uchimura, A. Ohkado
2020Western Pacific surveillance and response journal : WPSAR8 citations Open access
Semantic Scholar
Referral and treatment outcomes of tuberculosis patients who crossed the border from Japan to the philippines
A. Ohkado, A. Querri, T. Shimamura, M. Ota +1 more
2019International Journal of Mycobacteriology8 citations Open access
Semantic Scholar
A review of tuberculosis contact investigations in the poor urban areas of Manila, The Philippines.
L. Coprada, S. Yoshimatsu, A. Querri, E. Lopez +5 more
2016Public Health Action8 citations Open access
Semantic Scholar
A Study on the Health-Related Issues and Behavior of Vietnamese Migrants Living in Japan: Developing Risk Communication in the Tuberculosis Response
Sangnim Lee, Nhan Nguyen, Shori Takaoka, Dang-Do N. An +5 more
2023International Journal of Environmental Research and Public Health7 citations Open access
Semantic Scholar
Characteristics of individuals with tuberculosis in an urban, poor population in Osaka City, Japan — a case-control study
A. Shimouchi, Y. Tsuda, J. Komukai, Kenji Matsumoto +2 more
2020Western Pacific surveillance and response journal : WPSAR7 citations Open access
Semantic Scholar
Strengthening tuberculosis patient referral mechanisms among health facilities in Punjab, Pakistan.
D. Badar, A. Ohkado, M. Naeem, S. Khurshid-ul-Zaman +1 more
2011The International Journal of Tuberculosis and Lung Disease7 citations
Semantic Scholar
A cost-effectiveness study of tuberculosis and latent tuberculosis infection screening in prisons in Japan.
L. Kawatsu, K. Uchimura, A. Ohkado
2020The International Journal of Tuberculosis and Lung Disease6 citations
Semantic Scholar
Pulmonary tuberculosis and non-recent immigrants in Japan – some issues for post-entry interventions
L. Kawatsu, K. Uchimura, A. Ohkado, S. Kato
2017Western Pacific surveillance and response journal : WPSAR6 citations Open access
Semantic Scholar
Strengthened tuberculosis control programme and trend of multi-drug resistant tuberculosis rate in Osaka City, Japan.
A. Shimouchi, A. Ohkado, Kenji Matsumoto, J. Komukai +2 more
2013Western Pacific surveillance and response journal : WPSAR6 citations Open access
Semantic Scholar
Evaluation of “international transfer-out” among foreign-born pulmonary tuberculosis patients in Japan – what are the implications for a cross-border patient referral system?
L. Kawatsu, A. Ohkado, K. Uchimura, K. Izumi
2018BMC Public Health5 citations Open access
Semantic Scholar
Impact of a training course on the quality of chest radiography to diagnose pulmonary tuberculosis.
A. Ohkado, P. Luna, A. Querri, M. Mercader +5 more
2015Public Health Action5 citations Open access
Semantic Scholar
Effectiveness of a training course on the quality assurance of chest radiography in the Philippines.
A. Ohkado, R. Poblete, M. Mercader, A. Querri +6 more
2012The International Journal of Tuberculosis and Lung Disease5 citations
Semantic Scholar
Characteristics and Treatment Outcomes among Migrants with Pulmonary Tuberculosis: A Retrospective Cohort Study in Japan, 2009–2018
Sangnim Lee, M. Aung, L. Kawatsu, K. Uchimura +4 more
2022International Journal of Environmental Research and Public Health4 citations Open access
Semantic Scholar
Prediction of Local Transmission of Mycobacterium tuberculosis Isolates of a Predominantly Beijing Lineage by Use of a Variable-Number Tandem-Repeat Typing Method Incorporating a Consensus Set of Hypervariable Loci
Y. Murase, K. Izumi, A. Ohkado, A. Aono +5 more
2017Journal of Clinical Microbiology4 citations Open access
Semantic Scholar
Letter to the editor: Migrant tuberculosis in low-incidence Japan; introduction of pre-entry screening
M. Ujiie, A. Ohkado, Tomohiko Ukai, N. Ohmagari +1 more
2025Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin3 citations Open access
Semantic Scholar
Ensuring continuous TB treatment across Asian borders
A. Ohkado, S. Lee, A. Yoshie, K. Sugiura +7 more
2024Public Health Action3 citations Open access
Semantic Scholar
Using surveillance data to simulate the impact of a hypothetical pre-entry tuberculosis screening programme in Japan.
L. Kawatsu, K. Uchimura, K. Izumi, A. Ohkado +1 more
2018The International Journal of Tuberculosis and Lung Disease3 citations
Semantic Scholar
Does a quality assurance training course on chest radiography for radiological technologists improve their performance in Laos?
A. Ohkado, M. Mercader, Takuji Date
2017International Journal of Mycobacteriology3 citations Open access
Semantic Scholar
Evaluating the impact of health resource reconstruction on improving spatial accessibility of tuberculosis care.
K. Izumi, L. Kawatsu, A. Ohkado, K. Uchimura +1 more
2016The International Journal of Tuberculosis and Lung Disease3 citations
Semantic Scholar
A trial to mobilize NGO health volunteers to improve tuberculosis patient care in Sana'a City, Yemen.
Hamood Yahya Mahyiuob Al-Honahi, A. Ohkado, T. Masui, Isam Addean Ali-Hussein +1 more
2010Kekkaku : [Tuberculosis]3 citations
Semantic Scholar
A survey on the referral of tuberculosis patients at the National Tuberculosis Institute, Yemen.
A. Al-Hammady, A. Ohkado, T. Masui, A. Al-Absi
2007The International Journal of Tuberculosis and Lung Disease3 citations
Semantic Scholar

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K. Uchimura — researcher profile on SciRah
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K. Izumi×11
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S. Mitarai — researcher profile on SciRah