Hiroki Matsui

ORCID: 0000-0003-0004-4743 · 5 papers in corpus
observational 2026
Prescription trends for combined oral contraceptives and thromboembolism incidence in Japan before and after public awareness events in 2013-2015
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics ·doi:10.1002/ijgo.70835

OBJECTIVE: Combined oral contraceptives (COCs) for dysmenorrhea management have been covered by the Japanese universal health insurance system since 2008. Several public awareness events regarding COC prescriptions for dysmenorrhea were imp…

observational 2025
Clinical features and outcomes of peripartum obstetric patients admitted to the intensive care unit: A nationwide inpatient database in Japan
Critical care (London, England) ·doi:10.1186/s13054-025-05597-z

BACKGROUND: Pregnant and postpartum women face an increasing risk of severe complications due to pathophysiological changes, advanced maternal age, obesity, and reproductive technologies. Globally, maternal mortality remains a critical conc…

observational 2022
Safety of topical ophthalmic antibiotics in pregnant women with hordeola, chalazia, blepharitis, or bacterial conjunctivitis: propensity score analyses
Eye (London, England) ·doi:10.1038/s41433-021-01586-y

OBJECTIVE: To investigate the association between exposure to topical ophthalmic antibiotics during pregnancy and adverse neonatal outcomes. METHODS: In this retrospective cohort study, we identified pregnant women with hordeola, chalazia,…

observational 2021
Association between allergic or autoimmune diseases and incidence of endometriosis: A nested case-control study using a health insurance claims database
American journal of reproductive immunology (New York, N.Y. : 1989) ·doi:10.1111/aji.13486

PROBLEM: Immune responses were reported to be associated with the pathogenesis of endometriosis. However, previous studies of an association between allergic or autoimmune diseases and endometriosis have reported inconsistent results. We in…

observational 2019
Effect of tranexamic acid on mortality in patients with haemoptysis: a nationwide study
Critical care (London, England) ·doi:10.1186/s13054-019-2620-5

BACKGROUND: Although tranexamic acid is widely used in patients with haemoptysis, whether it improves mortality has not been well investigated. The aim of this study was to evaluate the effect of tranexamic acid on in-hospital mortality amo…