Association between ocular diseases and screen time and sedentary time derived from job-exposure matrices.

After developing job-exposure matrices (JEMs) for screen and sedentary time, we aimed to assess the associations between the JEM-derived exposures and various ocular diseases. We collected data from patients hospitalized from 2005 to 2021. JEMs were developed from 41,718 patients with occupational information and screen and sedentary times.

Percutaneous ultrasound-guided cryoablation for early-stage primary breast cancer: a follow-up study in Japan.

Background: Ultrasound-guided percutaneous cryoablation (PCA) for early-stage breast cancer (ESBC) can be performed under local anesthesia in an outpatient clinic. This study continues a pilot stage to examine local control, safety, patient quality of life (QoL), satisfaction and cosmetic outcomes of cryoablation for ESBC.

Methods: PCA was performed under local anesthesia for patients with primary ESBC, followed by radiation and endocrine therapies.

Association Between Alcohol Consumption Patterns and Glaucoma in Japan.

Prcis: In this case-control study of the Japanese population, including 3207 glaucoma cases, alcohol consumption patterns such as frequency and quantity showed a positive association with glaucoma prevalence.

Purpose: To examine the association between alcohol consumption patterns and glaucoma.

Subjects And Methods: This case-control study evaluated 3207 cases with glaucoma and 3207 matched controls.

Use of machine learning with two-dimensional synthetic mammography for axillary lymph node metastasis prediction in breast cancer: a preliminary study.

Background: As of 2020, breast cancer is the most common type of cancer and the fifth most common cause of cancer-related deaths worldwide. The non-invasive prediction of axillary lymph node (ALN) metastasis using two-dimensional synthetic mammography (SM) generated from digital breast tomosynthesis (DBT) could help mitigate complications related to sentinel lymph node biopsy or dissection. Thus, this study aimed to investigate the possibility of predicting ALN metastasis using radiomic analysis of SM images.

Length of employment in workplaces handling hazardous chemicals and risk of cancer among Japanese men.

Objectives: In Japan, the risk of developing cancer among workers employed in workplaces where chemical substances are handled is unclear. This study aimed to assess the association between cancer risk and employment in workplaces handling hazardous chemicals.

Methods: The Inpatient Clinico-Occupational Survey of the Rosai Hospital Group data of 120 278 male patients with incident cancer and 217 605 hospital controls matched for 5-year age group, hospital (34 hospitals) and year of admission (2005-2019) were analysed.

Basic assessment on adding platelet measurement to legal health checkup in Japan: A cross-sectional and 20-year longitudinal study.

Background: In Japan, health checkups for workers are legally compulsory. Considering legal health checkup items are important for Japanese workers' health problems. To date, the legal health checkup items for blood cell counts include only red blood cell counts and hemoglobin but not platelet counts.

Significance of Fib4 index as an indicator of alcoholic hepatotoxicity in health examinations among Japanese male workers: a cross-sectional and retrospectively longitudinal study.

Background: Fib4 index (Fib4) is clinically used as a noninvasive marker of liver fibrosis. In this study, we aimed to preliminarily investigate whether Fib4 can be used to detect individuals who need assessment for alcoholic liver disease (ALD) in the general population by clarifying the detailed association of Fib4 with alcohol consumption and gamma-glutamyl transferase (GGT) among male workers.

Methods: We analyzed data sets on the comprehensive medical examinations of male workers as cross-sectional and retrospectively longitudinal studies.

Alcohol use patterns and risk of incident cataract surgery: a large scale case-control study in Japan.

To examine the risk of incident cataract surgery associated with alcohol use patterns among Japanese adults. This was a case-control study evaluating 14,861 patients with incident cataract surgery and 14,861 matched controls. Subjects admitted to any of the 34 hospitals in Japan and aged between 40 and 69 years were included.

Occupational class and risk of hepatitis B and C viral infections: A case-control study-based data from a nationwide hospital group in Japan.

Background: Occupational class, a proxy for socio-economic status, is a known factor for health disparities. However, no study has reported the association between occupational class and the risk of viral hepatitis B and C (HBV/HCV) infections. We investigated the effects of occupational class on the prevalence of HBV/HCV infections.

Health impacts with telework on workers: A scoping review before the COVID-19 pandemic.

Background: Telework has dramatically increased due to the coronavirus disease 2019 (COVID-19) pandemic, and the health impacts related to telework have become major concerns. Some studies have shown that telework has both positive and negative impacts. However, during the pandemic, the influence of COVID-19 is too strong to estimate the health effects of telework.

Real-Time Risk Score for Glaucoma Mass Screening by Spectral Domain Optical Coherence Tomography: Development and Validation.

Purpose: To develop and validate a risk score assessable in real-time using only retinal thickness-related values measured by spectral domain optical coherence tomography alone for use in population-based glaucoma mass screenings.

Methods: A total of 7572 participants (aged 35-74 years) underwent spectral domain optical coherence tomography examination annually between 2016 to 2021 in a population-based setting. We selected 284 glaucoma cases and 284 controls, matched by age and sex, from 11,487 scans in 2016.

Occupations associated with diabetes complications: A nationwide-multicenter hospital-based case-control study.

Aim: Investigating the risks of diabetes complications among inpatients with diabetes associated with longest-held and current occupations.

Method: Using a Japanese nationwide, multicenter, hospital inpatient dataset (2005-2015), a matched case-control study with 39,550 inpatients with diabetes was conducted. We considered both the longest-held and current occupations of the study subjects.

A case control study of occupation and cardiovascular disease risk in Japanese men and women.

We aimed to investigate the risks of cardiovascular diseases associated with specific occupations, using a nation-wide, multicentre, hospital-based registry data from the Inpatient Clinico-Occupational Survey. The analysis included 539,110 controls (non-circulatory disease) and 23,792 cases (cerebral infarction, intracerebral/subarachnoid hemorrhage, acute myocardial infarction) aged ≥ 20 years who were initially hospitalized during 2005-2015. The participants' occupational and clinical histories were collected by interviewers and medical doctors.

Occupational physical activity differentially affects the risk for developing later-onset Crohn's disease and ulcerative colitis among middle-aged and older populations.

Background: A person's occupation may increase his/her risk for developing inflammatory bowel disease (IBD). This study investigated the association between risk for later-onset of IBD and both specific occupations and occupational physical activity (OPA) levels.

Materials And Methods: A multicenter hospital-based matched case-control study was conducted using the Inpatient Clinico-Occupational Survey database.

[Investigation of Clinical Utility of Radiological Technologist's Reading Report as a Second Opinion for Medical Doctor Reading of Digital Mammogram].

Purpose: We investigated the clinical utility of a radiological technologist's (RT)'s reports (RRs) as a second opinion by the free-response receiver operating characteristic (FROC) observer study that compared the performance of medical doctors' (MDs') reading of digital mammogram with and without consulting the RR.

Method: One hundred women (39 malignant, 61 benign or normal) who underwent diagnostic mammography were selected from among 1674 routine clinical images classified by the degree of difficulty and categories for inclusion in the FROC study. The first FROC study performed by three RTs (RT 1-3) was conducted to collect the data for RR utilized in the second FROC study.

[Qualitative analysis of provided information and advice from occupational physicians to attending clinical physicians in supporting an employee's work-treatment balance].

Objectives: In Japan, the population is aging and there is a declining birth rate. It is an important occupational health issue to support the balance between illness treatment (including nursing care, childcare, etc.) and work.

Behavior of Japanese women after being informed about the benefits and disadvantages of breast cancer screening: a questionnaire survey.

Background: The US Preventative Services Task Force assessed the efficacy of breast cancer screening according to the sum of its benefits and disadvantages. We estimate that the balance of the benefits and disadvantages varies among women depending on their demographic background.

Methods: Between March 2016 and March 2017, we conducted a questionnaire survey among Japanese women who underwent population-based or opportunistic breast cancer screening at our multicenter institutions.

[Survey of Information Sharing Related to the Occupational Considerations of Working Cancer Patients Between Occupational Physicians and Treating Physicians].

Objective: Although a vital element in providing career support to workers with medical ailments is coordination between the worker, the treating physician, and the company (the occupational health staff), little is known about factors that promote or impede coordination between these parties. This study aims to demonstrate what kinds of actions by treating physicians promote or impede the occupational considerations made by occupational physicians.

Methods: A total of 43 occupational physicians who had completed the postgraduate training course (4 years) at the University of Occupational and Environmental Health Japan and were current or former instructors at the Occupational Health Training Center were surveyed using a self-reported questionnaire form.