Publications by authors named "Kunihiko Takahashi"

Purpose: In laparoscopic inguinal hernia surgery, proper recognition of loose connective tissue, nerves, vas deferens, and microvessels is important to prevent postoperative complications, such as recurrence, pain, sexual dysfunction, and bleeding. EUREKA (Anaut Inc., Tokyo, Japan) is a system that uses artificial intelligence (AI) for anatomical recognition.

View Article and Find Full Text PDF

This study aimed to clarify the trajectory of BMI alongside age-related changes in height and weight among Japanese adults. Data from annual health checkups between 2015 and 2020 by the Japan Health Insurance Association were retrospectively analyzed. A total of 4,777,891 men and 3,378,003 women (age 35-69 years) were stratified into 14 subgroups based on sex and 5-year age categories.

View Article and Find Full Text PDF

We evaluated the teratogenic risk associated with exposure to cefditoren pivoxil during the first trimester of pregnancy using the integrated databases of the Toranomon Hospital and the National Center for Child Health and Development. Among 13 599 registered individuals, the analysis included 285 subjects who had taken cefditoren pivoxil during the first trimester of pregnancy. The rates of stillbirth, miscarriage, and elective terminations were 0.

View Article and Find Full Text PDF

Importance: Little is known about the epidemiology of out-of-hospital cardiac arrest (OHCA) in patients with asystole in countries where prehospital resuscitation is not withheld or terminated.

Objective: To investigate the secular trends in the patient outcomes and advanced life support (ALS) procedures and evaluate the association of ALS procedures with favorable outcomes among patients with OHCA and asystole.

Design, Setting, And Participants: This cohort study analyzed data from a nationwide prospective OHCA registry in Japan.

View Article and Find Full Text PDF

Aim: This study examined the relationship between postpartum hair loss and psychological symptoms.

Methods: This questionnaire-based, cross-sectional study included postpartum women who had delivered at two facilities and completed the questionnaire 10-18 months after delivery. Study protocols were sent by mail in two parts.

View Article and Find Full Text PDF

Background: Sub-phenotyping of acute respiratory distress syndrome (ARDS) could be useful for evaluating the severity of ARDS or predicting its responsiveness to given therapeutic strategies, but no studies have yet investigated the heterogeneity of patients with severe ARDS requiring veno-venous extracorporeal membrane oxygenation (V-V ECMO).

Methods: We conducted this retrospective multicenter observational study in adult patients with severe ARDS treated by V-V ECMO. We performed latent class analysis (LCA) for identifying sub-phenotypes of severe ARDS based on the radiological and clinical findings at the start of ECMO support.

View Article and Find Full Text PDF

Physical function trajectory (PFT) is associated with mortality and hospitalization risks. We aimed to identify and compare the PFTs of newly admitted high-functioning older adults during their first six months at long-term care (LTC) facilities. In this multicenter retrospective cohort study, we included newly admitted high-functioning older adults (Barthel index > 60) from 47 Japanese LTC facilities.

View Article and Find Full Text PDF
Article Synopsis
  • - The study analyzed thyroid cancer detection in children and adolescents in Fukushima after the 2011 nuclear disaster, involving over 253,000 participants with varying levels of radiation exposure.
  • - Utilizing Poisson regression, the research assessed the relationship between external radiation exposure and thyroid cancer, concluding that there was no significant association even at low radiation doses.
  • - The findings indicated that over 99.9% of participants experienced radiation exposure below 5 mSv, with an average follow-up period of 3.7 years, and thus, low radiation exposure was unlikely to increase thyroid cancer risk.
View Article and Find Full Text PDF

Background: While numerous studies have reported associations between low dietary potassium intake and adverse clinical outcomes, methods to estimate potassium intake, mainly self-reported dietary measures and urinary potassium excretion, entail certain limitations. Self-reported measures are subject to underreporting and overreporting. Urinary potassium excretion is affected by multiple factors including renal function.

View Article and Find Full Text PDF
Article Synopsis
  • A study was conducted in Japan to assess the safety of fluoroquinolone antibiotics during pregnancy, focusing on major congenital anomalies in babies born to mothers who used these drugs in their first trimester.
  • The study included 411 women exposed to fluoroquinolones and compared them with 1416 women using β-lactams and 1482 women using nonteratogenic medications.
  • Results showed the incidence of major congenital anomalies was similar across all groups (1.5% for fluoroquinolones, 2.0% for β-lactams, 1.6% for nonteratogenic drugs), indicating that fluoroquinolone exposure does not significantly increase the risk of congenital anomalies.
View Article and Find Full Text PDF

Prevention of postoperative splenic infarction in the robotic Warshaw technique requires rigorous evaluation of blood flow to the spleen. Shibuya and colleagues recommend checking: (1) conventional splenic color change, (2) intrasplenic artery waveform by ultrasound Doppler examination, (3) blood flow using indocyanine green, and (4) pulsatile regurgitation from the splenic artery.

View Article and Find Full Text PDF

Objective: Previous studies reported mixed results on associations between dietary potassium intake and hyperkalemia in patients with chronic kidney disease (CKD). This study investigated the association between potassium intake from different food sources and hyperkalemia in patients with non-dialysis-dependent CKD.

Methods: A total of 285 patients were recruited at a university hospital and 2 city hospitals in Tokyo.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to address the challenges faced by pregnant patients with inflammatory rheumatic diseases (RDs) and improve medical services from their perspective.
  • A survey was conducted with about 5,000 members of the Patients Association for Collagen Vascular Diseases Japan, resulting in 491 completed questionnaires focusing on pregnancy experiences and challenges among patients with RDs.
  • Key findings showed that 60% of participants faced pregnancy-related issues, particularly concerns about medications and disease activity, highlighting the need for better support and information for patients dealing with RDs during pregnancy.
View Article and Find Full Text PDF

Background: Exposure assessment is integral to the diagnosis of hypersensitivity pneumonitis (HP). Although the clinical relevance of exposed antigens is essential for the assessment, many of the previous guidelines or reports have only evaluated simple exposure histories or immunological tests. To overcome this problem, the Exposure Assessment Form (EAF) was developed as an assessment tool for classifying the exposure grade from G0 to G4.

View Article and Find Full Text PDF
Article Synopsis
  • The study examines postpartum hair loss, which is common among women but lacks reliable data on its causes and effects.
  • The research involved a questionnaire completed by 331 women who delivered at two facilities, revealing that 91.8% experienced hair loss, typically starting around 3 months after delivery, peaking at about 5 months.
  • Independent factors influencing hair loss included earlier delivery, lower birth weight, higher preterm labor rates, and notably, longer-term breastfeeding, indicating a significant correlation between breastfeeding duration and hair loss risk.
View Article and Find Full Text PDF
Article Synopsis
  • The study examined chest CT findings in patients with severe acute respiratory distress syndrome (ARDS) undergoing veno-venous extracorporeal membrane oxygenation (V-V ECMO) across 24 hospitals in Japan.
  • Among 582 patients who had chest CT at V-V ECMO initiation, traction bronchiectasis and subcutaneous emphysema were associated with increased 90-day mortality, while patients with traction bronchiectasis were less likely to be successfully liberated from ECMO.
  • The findings suggest that certain chest CT features can provide important prognostic information and may be useful for predicting outcomes in severe ARDS patients on V-V ECMO.
View Article and Find Full Text PDF

Background: The potential for developing frailty exists in middle-aged and older adults. While obesity and metabolic syndrome (MetS) increase the risk of frailty in older adults, this relationship remains unclear in middle-aged adults, who are prone to developing lifestyle-related diseases.

Objective: To examine the effect of overweight/obesity and MetS on frailty development in middle-aged and older Japanese adults using real-world data.

View Article and Find Full Text PDF

Background: Treatment for pyogenic spondylitis tends to be prolonged; however, few studies have examined the factors associated with the time required for infection control. Therefore, we analyzed a consecutive cohort of patients to identify factors associated with the time required to control infection in pyogenic spondylitis. This study aimed to clarify the factors linked to the duration necessary for achieving infection control in cases of pyogenic spondylitis, using C-reactive protein (CRP) normalization as an indicator.

View Article and Find Full Text PDF

Background: Summer-type hypersensitivity pneumonitis (SHP) has been reported to occur during warm and humid summer seasons in Japan; however, the effect of weather conditions on SHP remains unknown. Anti-Trichosporon asahii antibody (TaAb) test is highly specific and useful for the diagnosing SHP. Therefore, we aimed to investigate the impact of weather conditions on SHP by examining the relationship between the positivity rate of TaAb and warm and humid days.

View Article and Find Full Text PDF

The post-acute sequelae of SARS-CoV-2 (PASC) pose a threat to patients' health-related quality of life (HRQOL). Here, the impact of COVID-19 on HRQOL and the clinical factors associated with impaired HRQOL were examined. Discharged COVID-19 patients were assessed at 3 and 6 months after disease onset.

View Article and Find Full Text PDF

Tumor progression and metastasis are regulated by endothelial cells undergoing endothelial-mesenchymal transition (EndoMT), a cellular differentiation process in which endothelial cells lose their properties and differentiate into mesenchymal cells. The cells undergoing EndoMT differentiate through a spectrum of intermediate phases, suggesting that some cells remain in a partial EndoMT state and exhibit an endothelial/mesenchymal phenotype. However, detailed analysis of partial EndoMT has been hampered by the lack of specific markers.

View Article and Find Full Text PDF

Alzheimer's disease (AD) is associated with abnormal accumulations of hyperphosphorylated tau and amyloid-β proteins, resulting in unique patterns of atrophy in the brain. We aimed to elucidate some characteristics of the AD's morphometric networks constructed by associating different morphometric features among brain areas and evaluating their relationship to Mini-Mental State Examination total score and age. Three-dimensional T1-weighted (3DT1) image data scanned by the same 1.

View Article and Find Full Text PDF

Aim: To determine the predictors of physical function (PF) decline among nursing home residents using items from the Long-term care Information system For Evidence (LIFE), a system launched in 2021 to ensure the quality of long-term care.

Methods: The LIFE data of 1648 residents from 45 nursing homes in Japan were retrospectively collected in July 2021 (T0) and January 2022 (T1), including demographics, PF assessed by the Barthel index (BI), nutrition and oral health, and cognitive function. The Dementia Behavior Disturbance scale was used to assess the frequency of certain behaviors, such as "waking at midnight.

View Article and Find Full Text PDF