1.Current Status of Do-not-resuscitate Discussions for Terminal Cancer Patients in Japan
Yosuke MATSUDA ; Sachiko OHDE ; Masanori MORI ; Isseki MAEDA ; Takashi YAMAGUCHI ; Hiroto ISHIKI ; Yutaka HATANO ; Jun HAMANO ; Tatsuya MORITA
Palliative Care Research 2024;19(2):137-147
Purpose: The purpose of this study was to clarify the current status of Do-Not-Resuscitate discussions (DNRd) with terminally ill cancer patients in Japan and the psychological burden on bereaved families depending on whether or not a DNRd is performed. Method: A multicenter prospective observational study of advanced cancer patients admitted to 23 palliative care units (PCUs) in Japan was conducted, and a questionnaire survey of bereaved families was also conducted after patients died. Result: 1,605 patients were included in the analysis, and 71.4% of patients had a DNRd with doctors before PCU admission, 10.8% at admission, and 11.4% during admission. In contrast, 93.3% of family members had a DNRd with doctors before PCU admission, 48.4% at admission, and 52.1% during admission. Conclusion: Although DNRd was performed between patients and physicians in 72.3% of cases at any point throughout the course of time from before PCU admission to death, there was no evidence of psychological burden such as depression or complicated grief in the bereaved families due to patient participation in DNRd.
2.Prediction of Survival in Patients with Advanced Cancer: A Narrative Review and Future Research Priorities
Yusuke HIRATSUKA ; Jun HAMANO ; Masanori MORI ; Isseki MAEDA ; Tatsuya MORITA ; Sang-Yeon SUH
Korean Journal of Hospice and Palliative Care 2023;26(1):1-6
This paper aimed to summarize the current situation of prognostication for patients with an expected survival of weeks or months, and to clarify future research priorities. Prognostic information is essential for patients, their families, and medical professionals to make endof-life decisions. The clinician’s prediction of survival is often used, but this may be inaccurate and optimistic. Many prognostic tools, such as the Palliative Performance Scale, Palliative Prognostic Index, Palliative Prognostic Score, and Prognosis in Palliative Care Study, have been developed and validated to reduce the inaccuracy of the clinician’s prediction of survival. To date, there is no consensus on the most appropriate method of comparing tools that use different formats to predict survival. Therefore, the feasibility of using prognostic scales in clinical practice and the information wanted by the end users can determine the appropriate prognostic tool to use. We propose four major themes for further prognostication research: (1) functional prognosis, (2) outcomes of prognostic communication, (3) artificial intelligence, and (4) education for clinicians.
3.Study design and baseline characteristics of a population-based prospective cohort study of dementia in Japan: the Japan Prospective Studies Collaboration for Aging and Dementia (JPSC-AD).
Toshiharu NINOMIYA ; Shigeyuki NAKAJI ; Tetsuya MAEDA ; Masahito YAMADA ; Masaru MIMURA ; Kenji NAKASHIMA ; Takaaki MORI ; Minoru TAKEBAYASHI ; Tomoyuki OHARA ; Jun HATA ; Yoshihiro KOKUBO ; Kazuhiro UCHIDA ; Yasuyuki TAKI ; Shuzo KUMAGAI ; Koji YONEMOTO ; Hisako YOSHIDA ; Kaori MUTO ; Yukihide MOMOZAWA ; Masato AKIYAMA ; Michiaki KUBO ; Manabu IKEDA ; Shigenobu KANBA ; Yutaka KIYOHARA
Environmental Health and Preventive Medicine 2020;25(1):64-64
BACKGROUND:
The burden of dementia is growing rapidly and has become a medical and social problem in Japan. Prospective cohort studies have been considered an effective methodology to clarify the risk factors and the etiology of dementia. We aimed to perform a large-scale dementia cohort study to elucidate environmental and genetic risk factors for dementia, as well as their interaction.
METHODS:
The Japan Prospective Studies Collaboration for Aging and Dementia (JPSC-AD) is a multisite, population-based prospective cohort study of dementia, which was designed to enroll approximately 10,000 community-dwelling residents aged 65 years or older from 8 sites in Japan and to follow them up prospectively for at least 5 years. Baseline exposure data, including lifestyles, medical information, diets, physical activities, blood pressure, cognitive function, blood test, brain magnetic resonance imaging (MRI), and DNA samples, were collected with a pre-specified protocol and standardized measurement methods. The primary outcome was the development of dementia and its subtypes. The diagnosis of dementia was adjudicated by an endpoint adjudication committee using standard criteria and clinical information according to the Diagnostic and Statistical Manual of Mental Disorders, 3rd Revised Edition. For brain MRI, three-dimensional acquisition of T1-weighted images was performed. Individual participant data were pooled for data analyses.
RESULTS:
The baseline survey was conducted from 2016 to 2018. The follow-up surveys are ongoing. A total of 11,410 individuals aged 65 years or older participated in the study. The mean age was 74.4 years, and 41.9% were male. The prevalence of dementia at baseline was 8.5% in overall participants. However, it was 16.4% among three sites where additional home visit and/or nursing home visit surveys were performed. Approximately two-thirds of dementia cases at baseline were Alzheimer's disease.
CONCLUSIONS
The prospective cohort data from the JPSC-AD will provide valuable insights regarding the risk factors and etiology of dementia as well as for the development of predictive models and diagnostic markers for the future onset of dementia. The findings of this study will improve our understanding of dementia and provide helpful information to establish effective preventive strategies for dementia in Japan.
Aged
;
Alzheimer Disease/genetics*
;
Dementia/genetics*
;
Environment
;
Female
;
Humans
;
Incidence
;
Japan/epidemiology*
;
Male
;
Middle Aged
;
Prevalence
;
Prospective Studies
;
Risk Factors
4.Short stature-related single-nucleotide polymorphism (SNP) activates endothelial repair activity in elderly Japanese.
Yuji SHIMIZU ; Hirotomo YAMANASHI ; Yuko NOGUCHI ; Jun KOYAMATSU ; Mako NAGAYOSHI ; Kairi KIYOURA ; Shoichi FUKUI ; Mami TAMAI ; Shin-Ya KAWASHIRI ; Kazuhiko ARIMA ; Takahiro MAEDA
Environmental Health and Preventive Medicine 2019;24(1):26-26
BACKGROUND:
Hypertension and atherosclerosis are bidirectionally related, while platelet count could serve as an indicator of endothelial repair. Therefore, high platelet counts could be associated with hypertension by indicating more intense endothelial repair activity. Furthermore, short stature has been shown to constitute a risk of atherosclerosis. Since inflammation-related single-nucleotide polymorphism (SNP (rs3782886)) is reportedly associated with myocardial infarction and short stature, rs3782886 could be associated with a high platelet count and thus more intense endothelial repair activity.
METHODS:
We conducted a cross-sectional study of 988 elderly Japanese who participated in a general health check-up. Short stature was defined as a height of at or under the 25th percentile of the study population, and high platelet count as the highest tertiles of the platelet levels.
RESULTS:
High platelet counts were found to be independently and positively associated with hypertension while rs3782886 was independently associated with high platelet levels and short stature. The classical cardiovascular risk factor-adjusted odds ratio (OR) and 95% confidence interval (CI) of high platelet count for hypertension was 1.34 (1.02, 1.77). With non-minor homo of the rs3782886 as the reference group, the adjusted OR and 95% CI for high platelet count and short stature of minor home were 2.40 (1.30, 4.42) and 2.21 (1.16, 4.21), respectively.
CONCLUSION
SNP (rs3782886) was shown to be associated with high platelet count and short stature. This result partly explains how a genetic factor can influence the impact of height on endothelial repair.
Aged
;
Aged, 80 and over
;
Blood Platelets
;
metabolism
;
Body Height
;
genetics
;
Cross-Sectional Studies
;
Endothelium, Vascular
;
physiology
;
Female
;
Genetic Association Studies
;
Genetic Predisposition to Disease
;
Genotype
;
Humans
;
Hypertension
;
blood
;
epidemiology
;
genetics
;
Male
;
Middle Aged
;
Odds Ratio
;
Platelet Count
;
Polymorphism, Single Nucleotide
5.Terminal Anguish among Delirious Patients with Advanced Cancer: A Multicenter, Prospective, Observational Study
Natsuki KAWASHIMA ; Takayuki HISANAGA ; Jun HAMANO ; Isseki MAEDA ; Kengo IMAI ; Akihiro SAKASHITA ; Yoshihisa MATSUMOTO ; Keiichi UEMURA ; Takuya ODAGIRI ; Asao OGAWA ; Kazuhiro YOSHIUCHI ; Satoru IWASE
Palliative Care Research 2019;14(3):237-243
Objective: This study aimed to reveal the prevalence and characteristics of anguish among delirious patients with advanced cancer receiving specialized palliative care services. Methods: We conducted a subanalysis of a multicenter, prospective, observational study at 14 inpatient palliative care units and 10 general wards that offered psycho-oncology consultation service in Japan. We consecutively enrolled the patients with advanced cancer who were diagnosed with delirium and prescribed antipsychotics. Palliative care specialists decided whether patients suffered from anguish or not. We assessed patients’ background and severity of delirium with the Delirium Rating Scale-Revised (DRS-R-98). Results: Of 818 enrolled patients, 99 (12.1%) suffered from anguish. We observed a significant difference in the mean age (68.9±12.6 vs. 72.1±11.2, p=0.009), prevalence of dementia (2% vs. 10.4%, p=0.005) between patients with anguish and those without anguish. Patients with anguish had lower DRS-R-98 total scores before medication than those without anguish (15.3±8.1 vs. 17.3±7.8, p=0.018), but higher severity score in lability of affect (1.2±0.8 vs 1.0±0.9, p=0.023). Conclusions: The results of this study suggested that patients with anguish tend to be younger, mostly do not have dementia, and have lower delirium severity score but higher score in lability of affect. Nevertheless, further research, investigating appropriate evaluations and medical interventions for patients with anguish is warranted.
6.Association between tongue pressure and subclinical carotid atherosclerosis in relation to platelet levels in hypertensive elderly men: a cross-sectional study.
Yuji SHIMIZU ; Shimpei SATO ; Yuko NOGUCHI ; Jun KOYAMATSU ; Hirotomo YAMANASHI ; Miho HIGASHI ; Mako NAGAYOSHI ; Shin-Ya KAWASHIRI ; Yasuhiro NAGATA ; Noboru TAKAMURA ; Takahiro MAEDA
Environmental Health and Preventive Medicine 2018;23(1):31-31
BACKGROUND:
Age-related low-grade inflammation causing endothelial disruption influences sarcopenia, hypertension, and atherosclerosis. We reported previously that maintenance of muscle strength in elderly hypertensive men with high platelet levels is positively associated with subclinical atherosclerosis but not in those with low platelet levels. Since reduced tongue pressure is related to sarcopenia, tongue pressure may be associated with subclinical carotid atherosclerosis in hypertensive elderly subjects, and platelet levels may function as an indicator of the association between tongue pressure and subclinical carotid atherosclerosis.
METHODS:
We conducted a cross-sectional study of 342 hypertensive elderly Japanese men aged 60-89 who participated in an annual health check-up in 2015 and 2016. Subclinical carotid atherosclerosis was defined as a common carotid intima-media thickness (CIMT) of 1.1 mm or more.
RESULTS:
In the overall study population, 171 subjects demonstrated low platelets (< 21.4 × 10/μL). Tongue pressure was significantly inversely associated with subclinical carotid atherosclerosis in these subjects, but not in subjects with high platelets. The known cardiovascular risk factor adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of subclinical carotid atherosclerosis for a 1 standard deviation (SD) increment in tongue pressure (10.4 kPa) were 0.54 (0.35, 0.85) and 1.31 (0.87, 1.96), respectively.
CONCLUSION
Tongue pressure is inversely associated with subclinical carotid atherosclerosis in hypertensive elderly men with low platelet levels, but not in those with high levels. This finding may thus constitute an efficient tool for clarifying the background mechanism of age-related diseases such as sarcopenia, hypertension, and atherosclerosis.
Aged
;
Aged, 80 and over
;
Aging
;
blood
;
physiology
;
Carotid Artery Diseases
;
blood
;
physiopathology
;
Carotid Intima-Media Thickness
;
Confidence Intervals
;
Cross-Sectional Studies
;
Humans
;
Hypertension
;
blood
;
physiopathology
;
Japan
;
Male
;
Middle Aged
;
Odds Ratio
;
Platelet Count
;
Pressure
;
Risk Factors
;
Tongue
;
physiology
7.Hepatocyte growth factor and carotid intima-media thickness in relation to circulating CD34-positive cell levels.
Yuji SHIMIZU ; Shimpei SATO ; Jun KOYAMATSU ; Hirotomo YAMANASHI ; Mako NAGAYOSHI ; Shin-Ya KAWASHIRI ; Keita INOUE ; Shoichi FUKUI ; Hideaki KONDO ; Seiko NAKAMICHI ; Yasuhiro NAGATA ; Takahiro MAEDA
Environmental Health and Preventive Medicine 2018;23(1):16-16
BACKGROUND:
Hepatocyte growth factor (HGF) may act as a possible biochemical index for vascular damage, although evidence for the association between HGF and carotid intima-media thickness (CIMT) is limited. Since both HGF and circulating CD34-positive cells play an important role in endothelial repair, circulating CD34-positive cell levels may influence the association between HGF and CIMT.
METHODS:
We conducted a cross-sectional study of 269 elderly Japanese men aged 60-69 years who had undertaken an annual medical checkup from 2014 to 2015.
RESULTS:
The median value for circulating CD34-positive cells was 0.93 cells/μL. Among the study population, 135 men showed low circulating CD34-positive cell levels (≤ 0.93 cells/μL). By multivariable linear regression analysis, HGF was found to be significantly positively associated with CIMT only to participants with low circulating CD34-positive cell levels, with a multi-adjusted β of 0.26 (p = 0.005) and 0.002 (0.986) for low and high circulating CD34-positive cell levels, respectively. In addition, a significant interaction was observed between HGF and circulating CD34-positive cell levels (low and high) on CIMT (multivariable p value of 0.049). A positive association exists between HGF and CIMT in elderly Japanese men, limited to participants with low circulating CD34-positive cell levels.
CONCLUSION
A positive association exists between HGF and CIMT in community-dwelling elderly Japanese men, which is limited to participants with low numbers of circulating CD34-positive cells. Our findings indicate that circulating CD34-positive cell levels could determine the influence of HGF on CIMT in elderly Japanese men.
Aged
;
Antigens, CD34
;
blood
;
Biomarkers
;
blood
;
Carotid Intima-Media Thickness
;
Cross-Sectional Studies
;
Hepatocyte Growth Factor
;
metabolism
;
Humans
;
Japan
;
Male
;
Middle Aged
8.Association of hemoglobin concentration with handgrip strength in relation to hepatocyte growth factor levels among elderly Japanese men aged 60-69 years: a cross-sectional study.
Yuji SHIMIZU ; Hirotomo YAMANASHI ; Yuko NOGUCHI ; Jun KOYAMATSU ; Mako NAGAYOSHI ; Kairi KIYOURA ; Shoichi FUKUI ; Mami TAMAI ; Shin-Ya KAWASHIRI ; Kazuhiko ARIMA ; Takahiro MAEDA
Environmental Health and Preventive Medicine 2018;23(1):56-56
BACKGROUND:
Hemoglobin concentration reportedly is positively associated with muscle strength, for example, handgrip strength. However, hemoglobin cannot repair muscle directly, but is beneficial only in a supportive role. Since hepatocyte growth factor (HGF) regulates muscle satellite cell production and differentiation, which is stimulated by organ injury, the supportive effect of hemoglobin should thus be stronger for participants with high HGF than for those with low HGF. However, the association between hemoglobin concentration and handgrip strength in relation to HGF levels remains unknown.
METHODS:
We conducted a cross-sectional study of 255 Japanese elderly men aged 60-69 years who participated in annual health check-ups in 2014-2015. The study population was categorized on the basis of a median value of HGF of 300.6 pg/mL.
RESULTS:
Among present study population, 128 participants showed low HGF. For participants with low HGF, hemoglobin concentration showed no significant association with handgrip strength (standardized parameter estimate (β) = 0.03, p = 0.767), but for those with high HGF, hemoglobin concentration was significantly positively associated with handgrip strength (β = 0.23, p = 0.014).
CONCLUSIONS
A significant positive association between hemoglobin level and handgrip strength was established for elderly Japanese men aged 60-69 years with high HGF but not for participants with low HGF. Our finding indicates that HGF levels could determine the relationship of hemoglobin concentration with handgrip strength in elderly Japanese men aged 60-69 years. This result can be expected to serve as an effective tool for the clarification of the roles played by HGF and hemoglobin concentration in maintenance of muscle strength.
Aged
;
Cross-Sectional Studies
;
Hand Strength
;
physiology
;
Hemoglobins
;
metabolism
;
Hepatocyte Growth Factor
;
genetics
;
metabolism
;
Humans
;
Japan
;
Male
;
Middle Aged
9.Early Detection of the Acute Exacerbation of Interstitial Pneumonia after the Surgical Resection of Lung Cancer by Planned Chest Computed Tomography.
Kunihiro OYAMA ; Masato KANZAKI ; Mitsuko KONDO ; Hideyuki MAEDA ; Kei SAKAMOTO ; Tamami ISAKA ; Jun TAMAOKI ; Takamasa ONUKI
The Korean Journal of Thoracic and Cardiovascular Surgery 2017;50(3):177-183
BACKGROUND: To improve postoperative outcomes associated with interstitial pneumonia (IP) in patients with lung cancer, the management of the postoperative a cute exacerbation of IP (PAEIP) was investigated. METHODS: Patients with primary lung cancer were considered to be at risk for PAEIP (possible PAEIP) based on a preoperative evaluation. The early phase of this study was from January 2001 to December 2008, and the late phase was from January 2009 to December 2014. In the early phase, chest computed tomography (CT) was performed for patients for whom PAEIP was suspected based on their symptoms, whereas in the late phase, chest CT was routinely performed within a few days postoperatively. The numbers of possible PAEIP cases, actual PAEIP cases, and deaths within 90 days due to PAEIP were compared between both phases. RESULTS: In the early and late phases, surgery was performed in 712 and 617 patients, 31 and 72 possible PAEIP cases were observed, nine and 12 actual PAEIP cases occurred, and the mean interval from the detection of PAEIP to starting treatment was 7.3±2.3 and 5.0±1.8 days, respectively. Five patients died in the early phase, and one patient died in the late phase. Significantly fewer PAEIP-related deaths were observed in the late phase (p<0.05). CONCLUSION: Identifying patients at risk for PAEIP by routine postoperative CT examinations led to the early diagnosis and treatment of PAEIP, resulting in the reduction of PAEIP-related mortality.
Early Diagnosis
;
Humans
;
Lung Diseases, Interstitial*
;
Lung Neoplasms*
;
Lung*
;
Mortality
;
Thorax*
;
Tomography, X-Ray Computed
10.Rapid On-Site Evaluation by Endosonographers during Endoscopic Ultrasonography-Guided Fine-Needle Aspiration for Diagnosis of Gastrointestinal Stromal Tumors.
Takashi TAMURA ; Yasunobu YAMASHITA ; Kazuki UEDA ; Yuki KAWAJI ; Masahiro ITONAGA ; Shin ichi MURATA ; Kaori YAMAMOTO ; Takeichi YOSHIDA ; Hiroki MAEDA ; Takao MAEKITA ; Mikitaka IGUCHI ; Hideyuki TAMAI ; Masao ICHINOSE ; Jun KATO
Clinical Endoscopy 2017;50(4):372-378
BACKGROUND/AIMS: Endoscopic ultrasonography-guided fine-needle aspiration (EUS-FNA) has been used to diagnose gastrointestinal submucosal tumors (SMTs). Although rapid on-site evaluation (ROSE) has been reported to improve the diagnostic accuracy of EUS-FNA for pancreatic lesions, on-site cytopathologists are not routinely available. Given this background, the usefulness of ROSE by endosonographers themselves for pancreatic tumors has also been reported. However, ROSE by endosonographers for diagnosis of SMT has not been reported. The aim of this study was to evaluate the diagnostic accuracy of EUS-FNA with ROSE by endosonographers for SMT, focusing on diagnosis of gastrointestinal stromal tumor (GIST), compared with that of EUS-FNA alone. METHODS: Twenty-two consecutive patients who underwent EUS-FNA with ROSE by endosonographers for SMT followed by surgical resection were identified. Ten historical control subjects who underwent EUS-FNA without ROSE were used for comparison. RESULTS: The overall diagnostic accuracy for SMT was significantly higher in cases with than without ROSE (100% vs. 80%, p=0.03). The number of needle passes by FNA with ROSE by endosonographers tended to be fewer, although accuracy was increased (3.3±1.3 vs. 5.9±3.8, p=0.06). CONCLUSIONS: ROSE by endosonographers during EUS-FNA for SMT is useful for definitive diagnosis, particularly for GIST.
Biopsy, Fine-Needle*
;
Diagnosis*
;
Endoscopic Ultrasound-Guided Fine Needle Aspiration
;
Gastrointestinal Stromal Tumors*
;
Humans
;
Needles


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