Publications by authors named "Asao Ogawa"

Introduction: Hospital admissions often result in functional decline for patients with dementia, yet evidence on the impact of cancer treatments in this population during hospitalization is limited. We aimed to examine the association between dementia and functional decline after cancer treatment in patients with non-small cell lung cancer (NSCLC).

Materials And Methods: A total of 30,213 patients aged 65 years or older hospitalized for NSCLC treatment, from a dataset of 366 acute care hospitals in Japan, were eligible for this study.

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Article Synopsis
  • Patients in Japan often aren't informed about their cancer diagnoses due to cultural norms prioritizing family-oriented autonomy, which may negatively impact their quality of death (QOD) and quality of care (QOC).
  • This study analyzed responses from bereaved family members to compare QOC and QOD between cancer patients who were informed of their diagnosis versus those who were not.
  • Results showed that those who received a cancer diagnosis had significantly better QOC and QOD, and their families reported higher satisfaction with overall care.
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Context: The Bereaved Family Survey is an important method for evaluating the quality of palliative care.

Objectives: To examine the distress and benefits of bereaved families of patients with or without cancer, who participated in a Bereaved Family Survey, and identify factors associated with distress and benefits.

Methods: We conducted a nationwide cross-sectional, self-reported questionnaire mail survey among the bereaved families of patients who died of cancer, heart disease, cerebrovascular disease, pneumonia, or kidney failure.

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Importance: Delirium is common among older hospitalized adults. In addition to presenting immediate management issues, delirium can increase the long-term risk of dementia, institutionalization, and mortality. Delirium is associated with disrupted sleep, and prior studies suggest that some specific sleep-promoting agents may reduce delirium.

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The importance of high-quality care for terminal patients is being increasingly recognized; however, quality of care (QOC) and quality of death and dying (QOD) for noncancer patients remain unclear. To clarify QOC and QOD according to places and causes of death. A nationwide mortality follow-back survey was conducted using death certificate data for cancer, heart disease, stroke syndrome, pneumonia, and kidney failure in Japan.

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  • * A survey of 62,576 bereaved family members highlighted that older individuals reported lower severity of symptoms and higher rates of feeling life was complete compared to younger counterparts.
  • * Key findings emphasize the need for tailored palliative care that recognizes age-specific differences in quality of death and symptom management.
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Purpose: Delirium is a common and serious comorbidity in patients with advanced cancer, necessitating effective management. Nonetheless, effective drugs for managing agitated delirium in patients with advanced cancer remain unclear in real-world settings. Thus, the present study aimed to explore an effective pharmacotherapy for this condition.

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Background: The number of older patients with cancer has been increasing. This study aimed to determine the proportion of postoperative decline in activities of daily living (ADL), hospital mortality rate, home healthcare services use, and adjuvant chemotherapy treatment patterns of patients with early-stage non-small cell lung cancer (NSCLC) across age groups.

Methods: We analyzed health service utilization data of patients aged ≥ 40 years diagnosed with clinical stage I or II NSCLC in 2015 who underwent thoracoscopy or thoracotomy.

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Introduction: The number of older patients with breast cancer is increasing worldwide. However, no studies have clarified to what extent activities of daily living (ADL) decline in older patients after surgery. This study aimed to identify perioperative treatments and the proportion of patients with a postoperative decline in ADL among those with early-stage breast cancer, according to age groups (<65, 65-74, ≥75 years).

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Background: The coronavirus disease (COVID-19) pandemic has challenged palliative end-of-life care for people with dementia. The site of death can be considered as an end-of-life care quality indicator. Most people with dementia prefer to die at nursing or private homes; however, in Japan, they are often hospitalized in psychiatric hospitals for management of neuropsychiatric symptoms.

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Postoperative delirium is an important issue in cancer patients, affecting surgical outcomes and the quality of life. Ramelteon is a melatonin receptor agonist with high affinity for MT1 and MT2 receptors. Clinical trials and observational studies in Japan, including in surgical cancer patients, have shown efficacy of ramelteon in delirium prevention, with no serious safety concerns.

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Objectives: The effectiveness and impact of any treatment on patients' physical functions, especially in older patients, should be closely considered. This study aimed to evaluate activities of daily living (ADLs) after oncological surgery in patients with gastrointestinal and hepatobiliary-pancreatic cancers by age groups in Japan.

Design: Retrospective observational study using health services utilisation data from 1 January 2015 to 31 December 2016.

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This study examined the longitudinal association between dementia, activity participation, the coronavirus disease 2019 pandemic period, and 1-year mental health changes. We obtained data from the National Health and Aging Trends Study in the United States. We included 4,548 older adult participants of two or more survey rounds between 2018 and 2021.

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Background: Cancer patients experience various forms of psychological distress. Their distress, mainly in the form of depression and anxiety, leads to poor quality of life, increased medical spending due to frequent visits, and decrease in treatment adherence. It is estimated that 30-50% among them would require support from mental health professionals: in reality, much less actually receive such support partly due to a shortage of qualified professionals and also due to psychological barriers in seeking such help.

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  • The Japanese Psycho-Oncology Society and the Japanese Association of Supportive Care in Cancer have updated guidelines for managing delirium in adult cancer patients, detailing the development process and key recommendations.
  • A multidisciplinary group formulated new clinical questions on non-drug interventions and drug treatments like antipsychotics and trazodone, along with a review of existing questions.
  • The guidelines aim to enhance the prevention, assessment, and management of delirium in cancer patients in Japan.
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Background: Though behavioral activation (BA) has been shown to be effective for depression, evidence in patients with advanced cancer has not been established. This study aimed to examine the effectiveness of a BA program on depression in this population.

Methods: A randomized controlled trial with a wait-list control group (waiting group) of 38 patients with advanced cancer and depression will be conducted at three sites in Japan.

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  • * Researchers categorized participants based on their dementia status and whether they died before or during the pandemic, assessing care quality through interviews with bereaved caregivers.
  • * Findings indicated that while the overall ratings of EOL care were lower during the pandemic, particularly for those with dementia, the interaction between having dementia and the pandemic did not significantly affect most quality indicators.
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Aims And Objectives: This study aimed to examine the association between physical restraint duration and undesirable outcomes amongst inpatients comorbid with dementia and pneumonia in acute care hospitals.

Background: Physical restraints are frequently used in the management of patients, especially amongst patients with dementia. No previous study investigated the potential undesirable effects of physical restraints in patients with dementia.

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Background: Clinical guidelines recommend antipsychotics for the treatment of delirium; however, there has been no confirmed recommendation regarding their administrating patterns. This study aims to investigate whether different dosing patterns of antipsychotics (single or multiple administrations) influence the outcomes of delirium treatment.

Methods: This is a secondary analysis of a prospective observational study involving patients with advanced cancer and delirium receiving antipsychotics.

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Objectives: Delirium is a neuropsychiatric disorder that commonly occurs in elderly patients with cognitive impairment. The economic burden of delirium in Japan has not been well characterised. In this study, we assessed incremental medical costs of delirium in hospitalised elderly Japanese patients with cognitive impairment.

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Background: Pain and numbness in cancer survivors frequently have negative impacts on quality of life (QoL). This meta-analysis aimed to identify the current treatment options for pain and numbness in cancer survivors and to evaluate their effects.

Methods: Cancer survivors were defined as patients diagnosed with cancer who had completed active cancer treatment, whose conditions were stable, and who had no evidence of recurrent or progressive disease.

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  • Delirium is a common condition in hospitalized elderly patients that significantly impacts mortality rates, prompting this study to analyze its characteristics using a large Japanese health database.
  • The research assessed over 145,000 patients diagnosed with delirium using clinical data from more than 400 hospitals between 2012 and 2020, focusing on demographics, comorbidities, and medications.
  • Key findings revealed that most patients were around 76 years old, had significant comorbidities like circulatory diseases, and often received potentially inappropriate medications, with injectable haloperidol being the most common treatment.
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Background: In Japan, little is known of the severity of and factors associated with psychological distress among caregivers of patients with advanced or recurrent cancer who die.

Methods: This prospective cohort study of cancer patients at the National Cancer Center Hospital East, Japan, and their caregivers followed the participants from the initial palliative care consultation (T1) to 6 months (T2) and 13 months (T3) after the patient's death. At T1, patients and caregivers were interviewed separately.

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  • This study aimed to create a depression measurement tool using item response theory (IRT) and computer adaptive testing (CAT) specifically for cancer patients.
  • Data from 393 untreated cancer patients in Japan were analyzed using a 62-question survey to assess psychiatric status, leading to the selection of 28 IRT-suitable items.
  • The simulation results indicated high accuracy in measuring depression, with CAT showing better precision with fewer items compared to traditional methods, suggesting effectiveness for cancer patients.
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