1.Physical activity and risk of sarcopenia in 6500 community-dwelling Japanese people aged 40-74 years: an 8-year follow-up study.
Shoya WAKANA ; Keiko KABASAWA ; Kaori KITAMURA ; Yumi WATANABE ; Tomoyo KOMATA ; Yumi ITO ; Akemi TAKAHASHI ; Toshiko SAITO ; Ryosaku KOBAYASHI ; Rieko OSHIKI ; Ribeka TAKACHI ; Shoichiro TSUGANE ; Kei WATANABE ; Junta TANAKA ; Ichiei NARITA ; Kazutoshi NAKAMURA
Environmental Health and Preventive Medicine 2025;30():44-44
BACKGROUND AND AIM:
The association between physical activity (PA) and sarcopenia has mostly been investigated in older people, with few studies focused on earlier life stages. The present study aimed to determine whether higher PA levels are associated with a lower sarcopenia risk in middle-aged and early older people.
METHODS:
This was an 8-year follow-up study. Participants were 6,500 community-dwelling adults aged 40-74 years who participated in the baseline questionnaire survey conducted in 2011-2014 in Japan. Levels of total and leisure-time PAs at baseline were assessed using validated metabolic equivalent scores. Multi-frequency bioelectrical impedance analysis and handgrip strength measurement were performed in 2021-2022, and participants with low height-adjusted appendicular lean mass (<20th percentile) and low grip strength were diagnosed as having sarcopenia (outcome). Covariates were demographics, body size, lifestyle, and disease history at baseline.
RESULTS:
The prevalence of sarcopenia was 137/2926 (4.7%) for men and 127/3574 (3.6%) for women. Higher total PA levels were associated with lower odds of sarcopenia (P for trend = 0.0278), with the second highest group having a significantly lower OR (0.51) than the lowest group (reference) in women, but not in men. Regarding leisure-time PA, those engaged in leisure-time vigorous PA had a lower OR of sarcopenia than those who did not (OR = 0.67, P = 0.0625).
CONCLUSION
Higher levels of total PA are associated with a lower risk of sarcopenia in women but not in men, suggesting a sex difference in this association. In addition, high levels of vigorous leisure-time PA may be effective for preventing sarcopenia.
Humans
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Sarcopenia/epidemiology*
;
Japan/epidemiology*
;
Male
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Female
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Middle Aged
;
Aged
;
Follow-Up Studies
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Independent Living/statistics & numerical data*
;
Exercise
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Adult
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Prevalence
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Risk Factors
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Hand Strength
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East Asian People
2.Development of a Teaching Model Interweaving Clinical Reasoning and the Biopsychosocial Model
Kei TAKAHASHI ; Chihiro KAWAKAMI ; Takuya SAIKI
Medical Education 2024;55(5):423-430
To educate medical professionals to meet the needs of future medical care, which will be highly complex and require a broader perspective, it is not enough to provide education that emphasizes positivism based on natural scientific thinking, such as clinical reasoning. It is also important to provide education based on a phenomenological perspective that seeks to understand patients’ experiences in the living world and their meaning, as seen in biopsychosocial models. We have developed an online class on clinical reasoning for fourth-year medical students prior to clinical practice, in which students can simultaneously learn clinical reasoning and biopsychosocial models through structured case studies. We expect that this teaching model will be widely adopted, as it allows students to learn both positivist and phenomenological perspectives, and to view patients as individuals in their daily lives, through a multifaceted learning experience using the same case study.
3.Detailed report on the clinicopathological factors of patients with endometrial cancer in Japan: a JSOG gynecologic tumor registry-based study
Takeshi MAKABE ; Wataru YAMAGAMI ; Fumiaki TAKAHASHI ; Hideki TOKUNAGA ; Eiko YAMAMOTO ; Yoshihito YOKOYAMA ; Kiyoshi YOSHINO ; Kei KAWANA ; Satoru NAGASE
Journal of Gynecologic Oncology 2024;35(4):e54-
Objective:
In this study, we collected data over 8 years (2012–2019) from the Japan Society of Obstetrics and Gynecology (JSOG) tumor registry to determine the status of endometrial cancer in Japan, and analyzed detailed clinicopathological factors.
Methods:
The JSOG maintains a tumor registry that gathers information on endometrial cancer treated at the JSOG-registered institutions. Data from the patients whose endometrial cancer treatment was initiated from 2012 to 2019 were analyzed retrospectively.
Results:
A total of 82,969 patients with endometrial cancer underwent treatment from 2012 to 2019. Chemotherapy alone or in combination with hormonal therapy is more common among endometrial cancer patients under 40 years compared with those over 40 years. The number of patients with endometrial cancer, treated with laparoscopic or robot-assisted surgery was observed to have increased yearly. Small cell carcinomas and undifferentiated carcinomas were more likely to be diagnosed at an advanced stage. Lymphadenectomy was most commonly performed for stage IIIC2 disease, whereas positive peritoneal washing cytology was most common for stage IVB and serous carcinoma.
Conclusion
Multi-year summary reports provided detailed clinicopathological information regarding endometrial cancer that could not be obtained in a single year. These reports were useful in understanding treatment strategies and trends over time based on age, histology, and stage.
4.Detailed report on the clinicopathological factors of patients with endometrial cancer in Japan: a JSOG gynecologic tumor registry-based study
Takeshi MAKABE ; Wataru YAMAGAMI ; Fumiaki TAKAHASHI ; Hideki TOKUNAGA ; Eiko YAMAMOTO ; Yoshihito YOKOYAMA ; Kiyoshi YOSHINO ; Kei KAWANA ; Satoru NAGASE
Journal of Gynecologic Oncology 2024;35(4):e54-
Objective:
In this study, we collected data over 8 years (2012–2019) from the Japan Society of Obstetrics and Gynecology (JSOG) tumor registry to determine the status of endometrial cancer in Japan, and analyzed detailed clinicopathological factors.
Methods:
The JSOG maintains a tumor registry that gathers information on endometrial cancer treated at the JSOG-registered institutions. Data from the patients whose endometrial cancer treatment was initiated from 2012 to 2019 were analyzed retrospectively.
Results:
A total of 82,969 patients with endometrial cancer underwent treatment from 2012 to 2019. Chemotherapy alone or in combination with hormonal therapy is more common among endometrial cancer patients under 40 years compared with those over 40 years. The number of patients with endometrial cancer, treated with laparoscopic or robot-assisted surgery was observed to have increased yearly. Small cell carcinomas and undifferentiated carcinomas were more likely to be diagnosed at an advanced stage. Lymphadenectomy was most commonly performed for stage IIIC2 disease, whereas positive peritoneal washing cytology was most common for stage IVB and serous carcinoma.
Conclusion
Multi-year summary reports provided detailed clinicopathological information regarding endometrial cancer that could not be obtained in a single year. These reports were useful in understanding treatment strategies and trends over time based on age, histology, and stage.
5.Detailed report on the clinicopathological factors of patients with endometrial cancer in Japan: a JSOG gynecologic tumor registry-based study
Takeshi MAKABE ; Wataru YAMAGAMI ; Fumiaki TAKAHASHI ; Hideki TOKUNAGA ; Eiko YAMAMOTO ; Yoshihito YOKOYAMA ; Kiyoshi YOSHINO ; Kei KAWANA ; Satoru NAGASE
Journal of Gynecologic Oncology 2024;35(4):e54-
Objective:
In this study, we collected data over 8 years (2012–2019) from the Japan Society of Obstetrics and Gynecology (JSOG) tumor registry to determine the status of endometrial cancer in Japan, and analyzed detailed clinicopathological factors.
Methods:
The JSOG maintains a tumor registry that gathers information on endometrial cancer treated at the JSOG-registered institutions. Data from the patients whose endometrial cancer treatment was initiated from 2012 to 2019 were analyzed retrospectively.
Results:
A total of 82,969 patients with endometrial cancer underwent treatment from 2012 to 2019. Chemotherapy alone or in combination with hormonal therapy is more common among endometrial cancer patients under 40 years compared with those over 40 years. The number of patients with endometrial cancer, treated with laparoscopic or robot-assisted surgery was observed to have increased yearly. Small cell carcinomas and undifferentiated carcinomas were more likely to be diagnosed at an advanced stage. Lymphadenectomy was most commonly performed for stage IIIC2 disease, whereas positive peritoneal washing cytology was most common for stage IVB and serous carcinoma.
Conclusion
Multi-year summary reports provided detailed clinicopathological information regarding endometrial cancer that could not be obtained in a single year. These reports were useful in understanding treatment strategies and trends over time based on age, histology, and stage.
6.Changes in Pediatric Hospital Staff’s Sense of Difficulty Toward Palliative Care:A Single-pediatric Hospital Survey Report
Yuko NAGOYA ; Atsushi SATO ; Kei KIMURA ; Nobuki SOMA ; Yuko YOSHIMOTO ; Kumiko TAKAHASHI ; Haruka SAKATA ; Yukari HACHIYA ; Tomoko NAGASAWA ; Yuki OTSUKA ; Ayuko IGARASHI
Palliative Care Research 2023;18(4):235-240
The purpose of this study was to clarify the changes in the sense of difficulty hospital staff felt toward palliative care before and after a palliative care team of the pediatric hospital started in-hospital consultation. A self-administered questionnaire about the difficulty, consisting of 21 items in five areas, was used to conduct a survey in 2015 for the pre-consultation period, and in 2018 for the post-consultation period. Responses were obtained from 222 people in the pre-consultation period (response rate of 70.9%) and from 384 people in the post-consultation period (response rate of 87.3%). Over 70% of the respondents were nurses and midwives. A lower sense of difficulty was observed in three of the items including “relief of painful symptoms”, “family care during caregiving”, and “support when oneself and surrounding staff feeling inadequate and lost”. Further, a significant decrease was observed in the sense of difficulty in six items reported by nurses and midwives in departments receiving the interventions. Eleven of the 16 cases in which the palliative care team intervened involved multiple requests for intervention for 2 patients with pain control difficulties, suggesting that the consultation activities contributed to the decrease in the sense of difficulty experienced by nurses and midwives.
8.Ibaraki's Amabie-chan usage and its association with infection prevention behavior and fear of COVID-19: a cross-sectional preliminary survey of the Tsukuba Salutogenic Occupational Cohort Study.
Daisuke HORI ; Yuichi OI ; Shotaro DOKI ; Tsukasa TAKAHASHI ; Tomohiko IKEDA ; Yu IKEDA ; Yo ARAI ; Kei MUROI ; Hiroaki SASAKI ; Mami ISHITSUKA ; Asako MATSUURA ; Wyi GO ; Ichiyo MATSUZAKI ; Shinichiro SASAHARA
Environmental Health and Preventive Medicine 2022;27(0):17-17
BACKGROUND:
Ibaraki's Amabie-chan is a COVID-19 infection control system unique to Ibaraki prefecture, Japan. It requires residents to register each time they visit events, commercial facilities, and restaurants. The number of registrations has been limited, and its function alerting about people positive for COVID-19 infection seems not to be working. Nevertheless, registration with the system might have some impact on the user's behavior. In the current preliminary survey, the possible impact of Ibaraki's Amabie-chan on infection prevention behavior and fear of COVID-19 was investigated.
METHODS:
A cross-sectional, web-based, anonymous, and self-administered survey was conducted at two workplaces in Tsukuba Science City, Ibaraki, Japan. The first survey was conducted at one of the workplaces in November 2020, and the second survey, at the other workplace in February 2021. Variables of interest were sex, age group, marital status, employment status, Ibaraki's Amabie-chan use, COVID-19 Contact-Confirming Application use, ten items of infection prevention behaviors, and fear of COVID-19. Hierarchical linear regression analysis was performed.
RESULTS:
In both surveys, use of Ibaraki's Amabie-chan was significantly associated with COCOA use and with "physical condition management such as body temperature measurement." No association was found with other infection prevention behaviors or with fear of COVID-19.
CONCLUSIONS
Our findings did not provide sufficient evidence for the effectiveness of Ibaraki's Amabie-chan in regard to users' infection control behavior. Further detailed study is needed to investigate the effectiveness in terms of infection prevention and the cost-effectiveness of Ibaraki's Amabie-chan.
COVID-19/prevention & control*
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Cohort Studies
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Cross-Sectional Studies
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Fear
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Humans
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SARS-CoV-2
10.En Bloc Spondylectomy for Spinal Metastases: Detailed Oncological Outcomes at a Minimum of 2 Years after Surgery
Masayuki OHASHI ; Toru HIRANO ; Kei WATANABE ; Kazuhiro HASEGAWA ; Takui ITO ; Keiichi KATSUMI ; Hirokazu SHOJI ; Tatsuki MIZOUCHI ; Ikuko TAKAHASHI ; Takao HOMMA ; Naoto ENDO
Asian Spine Journal 2019;13(2):296-304
STUDY DESIGN: Retrospective case series. PURPOSE: To investigate the oncological outcomes, including distant relapse, after en bloc spondylectomy (EBS) for spinal metastases in patients with a minimum of 2-year follow-up. OVERVIEW OF LITERATURE: Although EBS has been reported to be locally curative and extend survival in select patients with spinal metastases, detailed reports regarding the control of distant relapse after EBS are lacking. METHODS: We conducted a retrospective review of 18 consecutive patients (median age at EBS, 62 years; range, 40–77 years) who underwent EBS for spinal metastases between 1991 and 2015. The primary cancer sites included the kidney (n=7), thyroid (n=4), liver (n=3), and other locations (n=4). Survival rates were estimated using the Kaplan–Meier method, and groups were compared using the log-rank method. RESULTS: The median operative time and intraoperative blood loss were 767.5 minutes and 2,375 g, respectively. Twelve patients (66.7%) experienced perioperative complications. Five patients (27.8%) experienced local recurrence of the tumor at a median of 12.5 months after EBS, four of which had a positive resection margin status. Thirteen patients (72.2%) experienced distant relapse at a median of 21 months after EBS. The estimated median survival period after distant relapse was 20 months (95% confidence interval, 0.71–39.29 months). No association was found between resection margin status and distant relapse. Overall, the 2-year, 5-year, and 10-year survival rates after EBS were 72.2%, 48.8%, and 27.1%, respectively. Importantly, the era in which EBS was performed did not impact the oncological outcomes. CONCLUSIONS: Our results suggest that EBS by itself, even if margin-free, cannot prevent further dissemination, which occurred in >70% of patients at a median of 21 months after EBS. These results should be considered and conveyed to patients for clinical decision-making.
Clinical Decision-Making
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Follow-Up Studies
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Humans
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Kidney
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Liver
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Methods
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Neoplasm Metastasis
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Operative Time
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Recurrence
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Retrospective Studies
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Spine
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Survival Rate
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Thyroid Gland


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