Ai Koyanagi

Active 2004–2024

366
Papers
38,483
Citations
89
h-index
346
i10-index

Citations

Citations per year for Ai Koyanagi1983: 1 citations1997: 1 citations1999: 1 citations2000: 1 citations2001: 1 citations2005: 3 citations2006: 1 citations2007: 3 citations2008: 1 citations2009: 2 citations2010: 4 citations2011: 1 citations2012: 5 citations2013: 11 citations2014: 15 citations2015: 23 citations2016: 43 citations2017: 73 citations2018: 121 citations2019: 749 citations2020: 1,560 citations2021: 2,011 citations2022: 1,745 citations2023: 1,355 citations2024: 2,635 citations2025: 1,058 citations2026: 41 citations1984–1996: no citations, so these years are not shown1998: no citations, so this year is not shown2002–2004: no citations, so these years are not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 2,894 citing papers, 13.7% of this breakdownChina: 2,189 citing papers, 10.3% of this breakdownUnited Kingdom: 1,844 citing papers, 8.7% of this breakdownAustralia: 1,039 citing papers, 4.9% of this breakdownSpain: 797 citing papers, 3.8% of this breakdownItaly: 794 citing papers, 3.7% of this breakdownCanada: 725 citing papers, 3.4% of this breakdownGermany: 712 citing papers, 3.4% of this breakdownSouth Korea: 508 citing papers, 2.4% of this breakdownBrazil: 503 citing papers, 2.4% of this breakdownFrance: 500 citing papers, 2.4% of this breakdownIndia: 499 citing papers, 2.3% of this breakdown
0%13.7%Other 38.6%

Fields

  • Medicine59%
  • Psychology8.5%
  • Biochemistry, Genetics and Molecular Biology6.4%
  • Neuroscience5%
  • Health Professions4.8%
  • Social Sciences4.5%
  • Other11.8%

Topics

  • Dementia and Cognitive Impairment Research2.4%
  • Health disparities and outcomes2.3%
  • Chronic Disease Management Strategies2%
  • Nutrition and Health in Aging2%
  • Frailty in Older Adults1.9%
  • Physical Activity and Health1.8%
  • Other87.6%

Coauthors

All papers

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  1. Global, regional, and national burden of Alzheimer's disease and other dementias, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , David Edvardsson, Matthias Endres, Sharareh Eskandarieh, André Faro, Farshad Farzadfar, Seyed-Mohammad Fereshtehnejad, Eduarda Fernandes, Irina Filip, Florian Fischer, Abadi Kahsu Gebre, Demeke Geremew, Maryam Ghasemi‐Kasman, E. V. Gnedovskaya, Rajeev Gupta, Vladimir Hachinski, Tekleberhan B Hagos, Samer Hamidi, Graeme J. Hankey, Josep María Haro, Simon I Hay, Seyed Sina Naghibi Irvani, Ravi Prakash Jha, Jost B. Jonas, Rizwan Kalani, André Karch, Amir Kasaeian, Yousef Khader, Ibrahim A Khalil, Ejaz Ahmad Khan, Tripti Khanna, Tawfik Khoja, Jagdish Khubchandani, Adnan Kısa, Katarzyna Kissimova‐Skarbek, Mika Kivimäki, Ai Koyanagi, Kristopher J Krohn, Giancarlo Logroscino, Stefan Lorkowski, Marek Majdán, Reza Malekzadeh, Winfried März, João Massano, Getnet Mengistu, Atte Meretoja, Moslem Mohammadi, Maryam Mohammadi‐Khanaposhtani, Ali H. Mokdad, Stefania Mondello, Ghobad Moradi, Gabriele Nagel, Mohsen Naghavi, Gurudatta Naik, Long Hoang Nguyen, Trang Huyen Nguyen, Yirga Legesse Nirayo, Molly R Nixon, Richard Ofori‐Asenso, Felix Akpojene Ogbo, Andrew T Olagunju, Mayowa Owolabi, Songhomitra Panda‐Jonas, Valéria Maria de Azeredo Passos, David M. Pereira, Gabriel David Pinilla-Monsalve, М. А. Пирадов, Constance D Pond, Hossein Poustchi, Mostafa Qorbani, Amir Radfar and 46 more - The Lancet Neurology 2018 cited by 2,469

  2. Trends in prevalence of blindness and distance and near vision impairment over 30 years: an analysis for the Global Burden of Disease Study

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Mukharram M. Bikbov, Michele Bottone, Tasanee Braithwaite, Alain M. Bron, Zahid A Butt, Ching‐Yu Cheng, Dinh‐Toi Chu, Maria Vittoria Cicinelli, João Coelho, Baye Dagnew, Xiaochen Dai, Reza Dana, Lalit Dandona, Rakhi Dandona, Monte A. Del Monte, Jenny P Deva, Daniel Díaz, Shirin Djalalinia, Laura E. Dreer, Joshua R. Ehrlich, Leon B. Ellwein, Mohammad Hassan Emamian, Arthur Gustavo Fernandes, Florian Fischer, David S. Friedman, João M. Furtado, Abhay Gaidhane, Shilpa Gaidhane, Gus Gazzard, Berhe Gebremichael, Ronnie George, Ahmad Ghashghaee, Mahaveer Golechha, Samer Hamidi, Billy R. Hammond, M. Elizabeth Hartnett, Risky Kusuma Hartono, Simon I Hay, Golnaz Heidari, Hung Chak Ho, Chi Linh Hoang, Mowafa Househ, Segun Emmanuel Ibitoye, Irena Ilić, Milena Ilić, April Ingram, Seyed Sina Naghibi Irvani, Ravi Prakash Jha, Rim Kahloun, Himal Kandel, Ayele Semachew Kasa, John H. Kempen, Maryam Keramati, Moncef Khairallah, Ejaz Ahmad Khan, Rohit C Khanna, Mahalaqua Nazli Khatib, Judy E. Kim, Yun Jin Kim, Sezer Kısa, Adnan Kısa, Ai Koyanagi, Om Kurmi, Van Charles Lansingh, Janet L Leasher, Nicolas Leveziel, Hans Limburg, Marek Majdán, Navid Manafi, Kaweh Mansouri and 64 more - The Lancet Global Health 2020 cited by 1,350

  3. The Lancet Psychiatry Commission: a blueprint for protecting physical health in people with mental illness

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Shuichi Suetani, Jo Taylor, Scott Teasdale, Graham Thornicroft, John Torous, Tim Usherwood, Davy Vancampfort, Nicola Veronese, Philip B. Ward, Alison R. Yung, Eóin Killackey, Brendon Stubbs - The Lancet Psychiatry 2019 cited by 1,502

  4. Estimates of the global, regional, and national morbidity, mortality, and aetiologies of diarrhoea in 195 countries: a systematic analysis for the Global Burden of Disease Study 2016

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Carlos A Castañeda-Orjuela, Abel Fekadu Dadi, Lalit Dandona, Rakhi Dandona, Huyen Phuc, Manisha Dubey, Eleonora Dubljanin, Dumessa Edessa, Aman Yesuf Endries, Babak Eshrati, Tamer H. Farag, Garumma Tolu Feyissa, Kyle J Foreman, Mohammad H. Forouzanfar, Nancy Fullman, Peter W. Gething, Melkamu Dedefo Gishu, William Godwin, H. C. Gugnani, Rahul Gupta, Gessessew Bugssa Hailu, Hamid Yimam Hassen, Desalegn Tsegaw Hibstu, Olayinka Stephen Ilesanmi, Jost B Jonas, Amaha Kahsay, Gagandeep Kang, Amir Kasaeian, Yousef Khader, Ibrahim A Khalil, Ejaz Ahmad Khan, Muhammad Ali Khan, Young‐Ho Khang, Niranjan Kissoon, Sonali Kochhar, Karen L. Kotloff, Ai Koyanagi, G Anil Kumar, Hassan Magdy Abd El Razek, Reza Malekzadeh, Déborah Carvalho Malta, Suresh Mehata, Walter Mendoza, Desalegn Tadese Mengistu, Bereket Gebremichael Menota, Haftay Berhane Mezgebe, Fitsum Weldegebreal Mlashu, Srinivas Murthy, Gurudatta Naik, Cuong Tat Nguyen, Trang Huyen Nguyen, Dina Nur Anggraini Ningrum, Felix Akpojene Ogbo, Andrew T Olagunju, Deepak Raj Paudel, James A Platts-Mills, Mostafa Qorbani, Anwar Rafay, Rajesh Kumar, Saleem M Rana, Chhabi Lal Ranabhat, Davide Rasella, Sarah E. Ray, Cesar Reis, André M. N. Renzaho, Mohammad Sadegh Rezai, George Mugambage Ruhago, Saeid Safiri, Joshua A. Salomon, Juan Sanabria and 30 more - The Lancet Infectious Diseases 2018 cited by 1,533

  5. Relationship between depression and frailty in older adults: A systematic review and meta-analysis

    Authors: , , , , , , , , , , , , , , , - Ageing Research Reviews 2017 cited by 859

  6. Social disconnectedness, perceived isolation, and symptoms of depression and anxiety among older Americans (NSHAP): a longitudinal mediation analysis

    Authors: , , , , , , , , - The Lancet Public Health 2020 cited by 1,744

  7. The global, regional, and national burden of pancreatic cancer and its attributable risk factors in 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Andrey Briko, Н. И. Брико, Giulia Carreras, Félix Carvalho, Jee-Young Jasmine Choi, Dinh‐Toi Chu, Anh Kim Dang, Ahmad Daryani, Dragoş Virgil Daviţoiu, Gebre Teklemariam Demoz, Rupak Desai, Subhojit Dey, Hoa Do, Huyen Phuc, Aziz Eftekhari, Alireza Esteghamati, Farshad Farzadfar, Eduarda Fernandes, Irina Filip, Florian Fischer, Masoud Foroutan, Mohamed M. Gad, Silvano Gallus, Birhanu Geta, Giuseppe Gorini, Nima Hafezi‐Nejad, James Harvey, Milad Hasankhani, Amir Hasanzadeh, Soheil Hassanipour, Simon I Hay, Hagos D Hidru, Chi Linh Hoang, Sorin Hostiuc, Mowafa Househ, Olayinka Stephen Ilesanmi, Milena Ilić, Seyed Sina Naghibi Irvani, Nader Jafari Balalami, Spencer L James, Farahnaz Joukar, Amir Kasaeian, Tesfaye Kassa, André Pascal Kengne, Rovshan Khalilov, Ejaz Ahmad Khan, Amir M Khater, Fatemeh Khosravi Shadmani, Jonathan Kocarnik, Hamidreza Komaki, Ai Koyanagi, Vivek Kumar, Carlo La Vecchia, Platon D Lopukhov, Farzad Manafi, Navid Manafi, Ana-Laura Manda, Fariborz Mansour‐Ghanaei, Dhruv Mehta, Varshil Mehta, Toni Meier, Hagazi Gebre Meles, Getnet Mengistu, Tomasz Miazgowski, Mehdi Mohamadnejad, Abdollah Mohammadian-Hafshejani, Milad Mohammadoo-Khorasani, Shafiu Mohammed, Farnam Mohebi, Ali H. Mokdad and 59 more - ˜The œLancet. Gastroenterology & hepatology 2019 cited by 672

  8. The global, regional, and national burden of stomach cancer in 195 countries, 1990–2017: a systematic analysis for the Global Burden of Disease study 2017

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Antonio Maria Borzì, Dejana Braithwaite, Hermann Brenner, Giulia Carreras, Félix Carvalho, Carlos A Castañeda-Orjuela, Franz Castro, Dinh‐Toi Chu, Vera Marisa Costa, Ahmad Daryani, Dragoş Virgil Daviţoiu, Gebre Teklemariam Demoz, Asmamaw Demis, Edgar Denova‐Gutiérrez, Subhojit Dey, Mostafa Dianati Nasab, Shirin Djalalinia, Mohammad Hassan Emamian, Mohammad Farahmand, João Carlos Fernandes, Florian Fischer, Masoud Foroutan, Mohamed M. Gad, Silvano Gallus, Gebreamlak Gebremedhn Gebremeskel, Getnet A Gedefew, Fatemeh Ghaseni-Kebria, Giuseppe Gorini, Nima Hafezi‐Nejad, Arvin Haj‐Mirzaian, Josep María Haro, James Harvey, Amir Hasanzadeh, Maryam Hashemian, Hamid Yimam Hassen, Simon I Hay, Hagos D Hidru, Mihaela Hostiuc, Mowafa Househ, Olayinka Stephen Ilesanmi, Milena Ilić, Kaire Innos, Farhad Islami, Spencer L James, Ensiyeh Jenabi, Rohollah Kalhor, Farin Kamangar, Amir Kasaeian, André Pascal Kengne, Yousef Khader, Rovshan Khalilov, Ejaz Ahmad Khan, Gulfaraz Khan, Maryam Khayamzadeh, Maryam Khazaee-Pool, Salman Khazaei, Abdullah T Khoja, Fatemah Khosravi Shadmani, Yun Jin Kim, Jonathan Kocarnik, Hamidreza Komaki, Ai Koyanagi, Vivek Kumar, Carlo La Vecchia, Alan D Lopez, Raimundas Lunevičius, Navid Manafi, Ana-Laura Manda, Birhanu Geta, Hailemariam Abiy Alemu Meheretu and 86 more - ˜The œLancet. Gastroenterology & hepatology 2019 cited by 649

  9. Estimates of global, regional, and national morbidity, mortality, and aetiologies of diarrhoeal diseases: a systematic analysis for the Global Burden of Disease Study 2015

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Masako Horino, Peter J. Hotez, Tariku Jibat, Jost B Jonas, Amir Kasaeian, Niranjan Kissoon, Karen L. Kotloff, Ai Koyanagi, G Anil Kumar, Rajesh Kumar, Aparna Lal, Hassan Magdy Abd El Razek, Mubarek Abera Mengistie, Christine L. Moe, George Patton, James A Platts-Mills, Mostafa Qorbani, Usha Ram, Hirbo Shore Roba, Juan Sanabria, Benn Sartorius, Monika Sawhney, Mika Shigematsu, Chandrashekhar T Sreeramareddy, Soumya Swaminathan, Bemnet Tedla, Roman Topor-Madry Jagiellonian, Kingsley Nnanna Ukwaja, Andrea Werdecker, Marc‐Alain Widdowson, Naohiro Yonemoto, Maysaa El Sayed Zaki, Stephen S Lim, Mohsen Naghavi, Theo Vos, Simon I Hay, Christopher J L Murray, Ali H. Mokdad - The Lancet Infectious Diseases 2017 cited by 1,445

  10. The burden of mental disorders, substance use disorders and self-harm among young people in Europe, 1990–2019: Findings from the Global Burden of Disease Study 2019

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Florian Fischer, Péter Gaál, Alessandro Gialluisi, Juanita A. Haagsma, Josep María Haro, M. Tasdik Hasan, Syed Shahzad Hasan, Sorin Hostiuc, Licia Iacoviello, Ivo Iavicoli, Elham Jamshidi, Jost B Jonas, Tamás Joó, Jacek Jerzy Jozwiak, Srinivasa Vittal Katikireddi, Joonas H. Kauppila, Moien AB Khan, Adnan Kısa, Sezer Kısa, Mika Kivimäki, Kamrun Nahar Koly, Ai Koyanagi, Manasi Kumar, Tea Lallukka, Berthold Langguth, Caterina Ledda, Paul H. Lee, Ilaria Lega, Christine Linehan, Joana A. Loureiro, Áurea Madureira-Carvalho, José Martı́nez-Raga, Manu Raj Mathur, John J. McGrath, Enkeleint A. Mechili, Alexios‐Fotios A. Mentis, Tomislav Meštrović, Bartosz Miazgowski, Andreea Mirică, Antonio Mirijello, Babak Moazen, Shafiu Mohammed, Francesk Mulita, Gabriele Nagel, Ionuţ Negoi, Ruxandra Irina Negoi, Vincent Ebuka Nwatah, Alicia Padrón‐Monedero, Songhomitra Panda‐Jonas, Shahina Pardhan, Maja Pasovic, Jay Patel, Ionela-Roxana Petcu, Marina Pinheiro, Richard Charles G Pollok, Maarten J. Postma, David Laith Rawaf, Salman Rawaf, Esperanza Romero‐Rodríguez, Luca Ronfani, Dominic Sagoe, Francesco Sanmarchi, Michael P Schaub, Nigussie Tadesse Sharew, Rahman Shiri, Farhad Shokraneh, Inga Dóra Sigfúsdóttir, João Pedro Silva, Renata Silva, Bogdan Socea and 14 more - The Lancet Regional Health - Europe 2022 cited by 335

  11. Mortality, morbidity, and hospitalisations due to influenza lower respiratory tract infections, 2017: an analysis for the Global Burden of Disease Study 2017

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Hamid Badali, Alaa Badawi, Joseph Adel Mattar Banoub, Aleksandra Barać, Quique Bassat, Neeraj Bedi, Abate Bekele Belachew, Derrick Bennett, Krittika Bhattacharyya, Zulfiqar A Bhutta, Ali Bijani, Félix Carvalho, Carlos A Castañeda-Orjuela, Devasahayam Jesudas Christopher, Lalit Dandona, Rakhi Dandona, Anh Kim Dang, Ahmad Daryani, Meaza Girma Degefa, Feleke Mekonnen Demeke, Meghnath Dhimal, Shirin Djalalinia, David Teye Doku, Manisha Dubey, Eleonora Dubljanin, Eyasu Ejeta Duken, Dumessa Edessa, Maysaa El Sayed Zaki, Hamed Fakhim, Eduarda Fernandes, Florian Fischer, Luísa Sório Flor, Kyle J Foreman, Teklu Gebrehiwo Gebremichael, Demeke Geremew, Keyghobad Ghadiri, Alessandra C. Goulart, Jingwen Guo, Giang Hai Ha, Gessessew Bugssa Hailu, Arvin Haj‐Mirzaian, Arya Haj‐Mirzaian, Samer Hamidi, Hamid Yimam Hassen, Chi Linh Hoang, Nobuyuki Horita, Mihaela Hostiuc, Seyed Sina Naghibi Irvani, Ravi Prakash Jha, Jost B Jonas, Amaha Kahsay, André Karch, Amir Kasaeian, Tesfaye Kassa, Adane Teshome Kefale, Yousef Khader, Ejaz Ahmad Khan, Gulfaraz Khan, Md Nuruzzaman Khan, Young‐Ho Khang, Abdullah T Khoja, Jagdish Khubchandani, Ruth W Kimokoti, Adnan Kısa, Luke D. Knibbs, Sonali Kochhar, Soewarta Kosen, Parvaiz A Koul, Ai Koyanagi, Barthélémy Kuate Defo and 99 more - The Lancet Respiratory Medicine 2018 cited by 585

  12. Incidence, prevalence, and global burden of autism spectrum disorder from 1990 to 2019 across 204 countries

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , - Molecular Psychiatry 2022 cited by 211

  13. Environmental risk factors, protective factors, and peripheral biomarkers for ADHD: an umbrella review

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , - The Lancet Psychiatry 2020 cited by 263

  14. Incidence, prevalence, and global burden of ADHD from 1990 to 2019 across 204 countries: data, with critical re-analysis, from the Global Burden of Disease study

    Authors: , , , , , , , , , , , , , , , , , , , , , - Molecular Psychiatry 2023 cited by 180

  15. Global Incidence and Prevalence of Eosinophilic Esophagitis, 1976–2022: A Systematic Review and Meta-analysis

    Authors: , , , , , , , , , , , , , , , , , , , , - Clinical Gastroenterology and Hepatology 2023 cited by 173

  16. Exercise as Medicine for Mental and Substance Use Disorders: A Meta-review of the Benefits for Neuropsychiatric and Cognitive Outcomes

    Authors: , , , , , , , , , , , - Sports Medicine 2019 cited by 425

  17. The association between social relationships and depression: A systematic review

    Authors: , , , , - Journal of Affective Disorders 2015 cited by 951

  18. Global Multimorbidity Patterns: A Cross-Sectional, Population-Based, Multi-Country Study

    Authors: , , , , , , , , , , - The Journals of Gerontology Series A 2015 cited by 686

  19. Does loneliness contribute to mild cognitive impairment and dementia? A systematic review and meta-analysis of longitudinal studies

    Authors: , , , , , , - Ageing Research Reviews 2019 cited by 346

  20. Handgrip strength and health outcomes: Umbrella review of systematic reviews with meta-analyses of observational studies

    Authors: , , , , , , , , , , , , - Journal of sport and health science/Journal of Sport and Health Science 2020 cited by 259

  21. Long-Term Autoimmune Inflammatory Rheumatic Outcomes of COVID-19

    Authors: , , , , , , , , , , , , , , , , , , , - Annals of Internal Medicine 2024 cited by 67

  22. The association of depression and all-cause and cause-specific mortality: an umbrella review of systematic reviews and meta-analyses

    Authors: , , , , , , , , , , , , , - BMC Medicine 2018 cited by 267

  23. Disparities in cancer screening in people with mental illness across the world versus the general population: prevalence and comparative meta-analysis including 4 717 839 people

    Authors: , , , , , , , , , , , , - The Lancet Psychiatry 2019 cited by 238

  24. A systematic review and meta‐analysis of long‐term sequelae of COVID‐19 2‐year after SARS‐CoV‐2 infection: A call to action for neurological, physical, and psychological sciences

    Authors: , , , , , , , , , , , - Journal of Medical Virology 2023 cited by 131