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Ryosuke Kumazawa

Observed names: Kumazawa Ryosuke, Kumazawa, Ryosuke
ORCID: 0000-0002-8694-6803
Observed ORCID: 0000-0002-8694-6803
OpenAlex ID: A5079893286
Treatments and outcomes of generalized pustular psoriasis: A cohort of 1516 patients in a nationwide inpatient database in Japan
2021 · Hideaki Miyachi, Takaaki Konishi, et al. · Journal of the American Academy of Dermatology · 110
Association between Ambient Temperature and Cause-Specific Cardiovascular Disease Admissions in Japan: A Nationwide Study
2022 · Rui Pan, Akira Okada, et al. · SSRN Electronic Journal · 64
Intensive Care Unit Occupancy in Japan, 2015–2018: A Nationwide Inpatient Database Study
2021 · Hiroyuki Ohbe, Yusuke Sasabuchi, et al. · Journal of Epidemiology · 44
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Evaluation of Plasmapheresis vs Immunoglobulin as First Treatment After Ineffective Systemic Corticosteroid Therapy for Patients With Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis
2023 · Yuki Miyamoto, Hiroyuki Ohbe, et al. · JAMA Dermatology · 31
Association of Novel Antihyperglycemic Drugs Versus Metformin With a Decrease in Asthma Exacerbations
2024 · Yuya Kimura, Taisuke Jo, et al. · The Journal of Allergy and Clinical Immunology In Practice · 28
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Risk of Cancer in Association with Ranitidine and Nizatidine vs Other H2 Blockers: Analysis of the Japan Medical Data Center Claims Database 2005–2018
2020 · Masao Iwagami, Ryosuke Kumazawa, et al. · Drug Safety · 24
Postoperative ICU admission following major elective surgery
2021 · Hiroyuki Ohbe, Hiroki Matsui, et al. · European Journal of Anaesthesiology · 22
Impact of national guidelines for antimicrobial stewardship to reduce antibiotic use in upper respiratory tract infection and gastroenteritis
2020 · Daisuke Sato, Tadahiro Goto, et al. · Infection Control and Hospital Epidemiology · 20
Association Between Diabetes and Major Bleeding Complications of Renal Biopsy
2021 · Sho Hasegawa, Akira Okada, et al. · Kidney International Reports · 19
Epidemiology of patients with severe asthma in Japan: a nationwide descriptive study
2024 · Yuya Kimura, Maho Suzukawa, et al. · ERJ Open Research · 17
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Prevalence of and risk factors for adverse events in Alzheimer’s patients receiving anti-dementia drugs in at-home care
2020 · Hirohisa Imai, Takuya Hirai, et al. · PLoS ONE · 17
Outcomes After Endoscopic Evacuation Versus Evacuation Using Craniotomy or Stereotactic Aspiration for Spontaneous Intracerebral Hemorrhage: Analysis Using a Japanese Nationwide Database
2022 · Shigeyuki Tahara, Yujiro Hattori, et al. · Neurocritical Care · 16
Transcatheter Aortic Valve Implantation and Surgical Aortic Valve Replacement for Aortic Stenosis in Japan ― Analysis of a Nationwide Inpatient Database ―
2020 · Tatsuya Kamon, Hidehiro Kaneko, et al. · Circulation Reports · 16
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Association between Angiotensin-Converting Enzyme Inhibitors and Post-Stroke Aspiration Pneumonia
2019 · Ryosuke Kumazawa, Taisuke Jo, et al. · Journal of Stroke and Cerebrovascular Diseases · 16
Treatments and outcomes of adult parapharyngeal and retropharyngeal abscess: 1882 cases from a Japanese nationwide database
2022 · Takaaki Konishi, Aki Sakata, et al. · American Journal of Otolaryngology · 15
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Effect of nintedanib on acute exacerbations of fibrosing interstitial lung diseases: a national database study in Japan
2022 · Hirokazu Urushiyama, Taisuke Jo, et al. · ERJ Open Research · 15
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New machine learning scoring system for predicting postoperative mortality in gastroduodenal ulcer perforation: A study using a Japanese nationwide inpatient database
2021 · Takaaki Konishi, Tadahiro Goto, et al. · Surgery · 14
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Outcomes of laparoscopic versus open pancreatoduodenectomy: A nationwide retrospective cohort study
2021 · Ryusuke Katsuki, Taisuke Jo, et al. · Surgery · 14
Major complications after percutaneous biopsy of native or transplanted liver in pediatric patients: a nationwide inpatient database study in Japan
2022 · Kayo Ikeda Kurakawa, Akira Okada, et al. · BMC Gastroenterology · 11
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Direct oral anticoagulants versus warfarin for secondary prevention of cerebral infarction and bleeding in older adults with atrial fibrillation
2022 · Ryosuke Kumazawa, Taisuke Jo, et al. · Journal of the American Geriatrics Society · 11
Short-Term Outcomes Following Breast Cancer Surgery With and Without Neoadjuvant Chemotherapy: A Nationwide Administrative Database Study in Japan
2022 · Takaaki Konishi, Michimasa Fujiogi, et al. · Annals of Surgical Oncology · 11
Epidemiology of patients with lymphangioleiomyomatosis: A descriptive study using the national database of health insurance claims and specific health checkups of Japan
2024 · Yuya Kimura, Taisuke Jo, et al. · Respiratory Investigation · 10
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Endoscopic surgery versus craniotomy for spontaneous intracerebral hemorrhage in the late elderly patients
2023 · Shigeyuki Tahara, Yujiro Hattori, et al. · Journal of Stroke and Cerebrovascular Diseases · 10
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Intensive care unit versus high dependency care unit admission after emergency surgery: a nationwide in-patient registry study
2022 · Hiroyuki Ohbe, Hiroki Matsui, et al. · British Journal of Anaesthesia · 10
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Prognosis and Treatment of Myositis‐Associated Severe Interstitial Lung Disease: A Descriptive Study Using a Nationwide Inpatient Database in Japan
2021 · Hiroki Furuya, Mikio Nakajima, et al. · Arthritis Care & Research · 10
Works count: 61
Citation count: 698
H-index: 15
I10-index: 25
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