Publications by authors named "Ozaki A"

Japan's conditional/time-limited early approval program, initiated in 2014, aimed to advance regenerative medicine by expediting market access. However, the withdrawal of autologous skeletal myoblast sheets (Heartsheet) due to ineffectiveness raises concerns about the balance between rapid approval and scientific integrity. While the program seeks to boost innovation, it risks endorsing costly, unclear treatments under national health care.

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Traumatic cerebrospinal fluid (CSF) leakage from skull base fractures increases the risk of bacterial meningitis, which is associated with a high mortality rate in adults, and commonly results in severe neurological outcomes. While most cases of CSF leakage occur within three months post-injury and generally resolve spontaneously, delayed-onset meningitis remains a challenging complication. Herein, we report a rare case of severe bacterial meningitis with an intraventricular abscess one year following a frontal skull base fracture, despite no CSF leak.

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An accurate understanding of the population is essential for the development of medical care and social resources. However, the development of transportation networks has increased temporal and spatial fluctuations in the population, making it difficult to accurately forecast medical care demand, especially during disaster recovery. This study examined the population movement in areas affected by the Fukushima Daiichi nuclear power plant accident using demographic data.

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In radiological disasters, evacuating institutionalized individuals such as hospitalized patients and nursing home residents presents complex challenges. The Fukushima Daiichi Nuclear power plant (FDNPP) accident, triggered by the Great East Japan Earthquake (GEJE), exposed critical issues in evacuation planning. This case series investigates the evacuation difficulties encountered by three hospitals situated 20 to 30 km from the FDNPP following the GEJE and FDNPP accident.

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Article Synopsis
  • On January 1, 2024, a severe earthquake (intensity 7) hit the Noto Peninsula in Japan, leading to many injuries and displacements.
  • The region has a high elderly population, with nearly half (49.5%) of its residents aged 65 and older.
  • The case study examines a 68-year-old woman who developed aspiration pneumonia while at a welfare shelter, underscoring the difficulties in providing chronic medical care for elderly individuals during disasters.
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After the Great East Japan Earthquake, planning appropriate healthcare resource allocation was crucial. However, accurately estimating medical care demand was challenging due to substantial population fluctuations caused by extensive evacuations, compounded by the inaccuracy of conventional Resident Resister data in this context. This study employs population data generated from mobile phone network from 2019 to 2020 to conduct a detailed temporal and spatial population estimation in Futaba County, originally a complete evacuation zone.

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Objectives: To investigate the details of disaster-related deaths due to the indirect health effects of the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident following the Great East-Japan Earthquake in 2011 and serve as a source of reference in the event of similar circumstances in the future.

Design: A retrospective observational study.

Setting: Minamisoma City, Fukushima Prefecture, Japan, which is located 13-38 km north of the FDNPP.

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  • The study explores the effects of the 2011 Fukushima disaster on breast cancer patients and their families, highlighting the need to consider family experiences in disaster research.
  • It involved interviews with family members of deceased patients to understand the caregiving burden, medical challenges, and confusion experienced during the disaster.
  • Results showed both strained family dynamics due to caregiving demands and strengthened relationships, emphasizing the need for improved medical support and proactive disaster preparedness in the future.*
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The Fukushima Model of Outpatient Pharmacotherapy for Breast Cancer was developed to improve the pharmacological treatment of patients with breast cancer in the vast region of Fukushima Prefecture. This model addresses the challenges posed by the area's lower-than-average density of breast cancer specialists. In the core medical institutions of the prefecture's most populous municipalities, we introduced a telephone consultation service managed by pharmacists at local dispensing pharmacies.

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Aims/introduction: We evaluated the effect of the MiniMed™ 770G, an insulin pump using hybrid closed-loop technology, on blood glucose management and quality of life in Japanese people with type 1 diabetes.

Materials And Methods: This was a 52-week, prospective, observational study. Fifty Japanese people with type 1 diabetes switched from the MiniMed™ 640G to 770G, and we analyzed the continuous glucose monitoring data of 24 subjects who used auto mode throughout the study.

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In October 2023, Herat Province in Afghanistan was devastated by three earthquakes, resulting in 1,480 fatalities and 1,950 injuries, affecting approximately 154,000 people. The destruction included over 21,300 buildings, including 40 healthcare facilities, intensifying an existing humanitarian crisis under Taliban rule since August 2021. A comprehensive and coordinated response is vital for sustainable recovery and resilience, transcending political barriers to address the immediate and long-term needs of the Afghan population.

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Introduction and background Non-consensual sex, including rape and sexual assault, has been a global concern and may have been influenced by the COVID-19 pandemic. However, information on this topic is limited. Therefore, our objective was to survey the incidence rate of non-consensual sex among Japanese women aged 15-79 years between April and September 2020, during the early stages of the COVID-19 pandemic in Japan.

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This position paper highlights the dire impacts of environmental and household air pollution, which were responsible for 6.7 million deaths globally in 2019. These deaths occurred predominantly in low- and middle-income countries, with Afghanistan reporting the highest age-adjusted mortality rate.

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Thyroid ultrasound examinations (TUEs), conducted as part of the Fukushima Health Management Survey (FHMS), were initiated to monitor the health status of residents after the Fukushima Daiichi Nuclear Power Plant accident owing to concerns regarding the increased incidence of thyroid cancer among children, as observed after the Chernobyl Nuclear Power Plant accident. This study reported the clinicopathological characteristics of patients with thyroid cancer diagnosed through the FHMS and treated at the Fukushima Medical University Hospital. Data regarding the clinicopathological characteristics of patients with thyroid cancer were collected and evaluated in this descriptive study.

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Article Synopsis
  • Primary breast lymphoma (PBL) is a rare lymphoma that can be confused with triple-negative breast cancer (TNBC), making diagnosis difficult.
  • A case study of a 76-year-old woman revealed she had both PBL and invasive breast carcinoma, yet she was initially diagnosed with TNBC after a needle biopsy.
  • The patient underwent mastectomy, and both conditions were treated successfully, highlighting the importance of careful diagnosis to avoid treatment errors, even though no serious consequences occurred in this case.
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Objective: We aimed to validate the Japanese version of the Patient Health Questionnaire-4 (PHQ-4-J). People in Japan, especially healthcare workers (HCWs) suffer from high rates of mental health symptoms. The PHQ-4 is an established ultra-brief mental health measure used in various settings, populations and languages.

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Introduction: The introduction of new drugs often leads to aggressive promotion and potential financial conflicts of interest, which may bias treatment decisions and potentially harm patients. The breast cancer therapeutics market is rapidly evolving globally, and Japan is no exception. This study aimed to analyze trends in pharmaceutical payments to breast cancer specialists in Japan from 2016 to 2019, focusing on company-level data, relationships with new drug introductions, and individual specialist payment patterns.

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  • * A retrospective analysis was conducted on 56 patients with gastroenterological diseases who were referred from a regional hospital to a tertiary facility, primarily using a cloud-based image-sharing system over three years.
  • * The study found that most patients (80.4%) had hepatobiliary pancreatic issues, with swift referral processes leading to timely treatments; however, many patients faced waiting lists, highlighting the benefits of remote imaging for efficiency in care.
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  • * This study examined the IgG antibody response in 28 hemodialysis patients after their fourth COVID-19 vaccination, finding a rapid increase in antibody levels by Day 7.
  • * Results indicated higher antibody levels in males compared to females, but due to the small sample size and limited observation time, more research is needed to evaluate vaccination effectiveness and the benefits of extra doses.
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Background: This study aimed to assess the prognosis of people with chronic kidney disease (CKD) in Japan using the Kidney Disease: Improving Global Outcomes (KDIGO) heatmap.

Methods: The prognoses of individuals with estimated glomerular filtration rates (eGFR) <90 mL/min/1.73 m were evaluated based on the KDIGO heatmap using an electronic medical record database in Japan.

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  • The study investigates how cancer patients in disaster-affected Fukushima (2011) seek health information online, comparing their behavior with non-cancer patients.
  • 404 patients (263 with cancer and 141 without) were surveyed about their internet use and health information-seeking habits from October 2016 to January 2017.
  • Results showed similar online health information-seeking rates between both groups, but cancer patients who used smartphones and tablets daily were significantly more likely to search for health information; trust in institutional websites was also crucial for them.
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