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Naoharu Mori

    Naoharu Mori

    Purpose All five senses (i.e., sight, smell, hearing, taste, and touch) are used to enjoy meals; however, impairments in sensory perception, which are common among cancer patients, seriously impact health and cause eating-related... more
    Purpose All five senses (i.e., sight, smell, hearing, taste, and touch) are used to enjoy meals; however, impairments in sensory perception, which are common among cancer patients, seriously impact health and cause eating-related distress. Methods Using a self-report questionnaire, we surveyed patients with advanced cancer undergoing treatment at 11 palliative care centers. Multivariate analyses were conducted to explore the impact of taste and smell disturbances on dietary intake and cachexia-related quality of life (QOL). Dietary intake was assessed using the ingesta-Verbal/Visual Analog Scale, while taste and smell disturbances were assessed using an 11-point Numeric Rating Scale (NRS). Cachexia-related QOL was assessed using the 12-item Functional Assessment of Anorexia/Cachexia Therapy (FAACT) Anorexia/Cachexia Subscale. Results Overall, 378 patients provided consent to participate. After excluding patients with missing data, data were analyzed for 343 patients. Among them, 35....
    ObjectivesThe effectiveness of the use of carbonation in preventing penetration/aspiration or enhancing swallowing function in adults remains unclear. This systematic review aimed to evaluate the effectiveness of carbonation on improving... more
    ObjectivesThe effectiveness of the use of carbonation in preventing penetration/aspiration or enhancing swallowing function in adults remains unclear. This systematic review aimed to evaluate the effectiveness of carbonation on improving swallowing function in adult subjects.MethodsLiterature published before March 2021 was inspected using MEDLINE, CINAHL, Web of Science Core Collection, The Cochrane Library, Cochrane Central Register of Controlled Trials, and Ichushi‐web databases. We searched for intervention studies or randomized control trials considering the effects of carbonated liquids on swallowing function. The risk of bias was assessed using the Cochrane tool for assessing the risk of bias for randomized controlled trials and the Risk of Bias Assessment Tool for Nonrandomized Studies.ResultsThe systematic review identified 19 studies with a total of 586 participants. The effects of carbonation on swallowing function are diverse. Overall, most studies showed that carbonatio...
    Texture-modified diets (TMDs) may affect nutritional status and sarcopenia in patients after stroke. This study aimed to investigate the association of food texture levels consumed by patients after stroke with the prevalence of... more
    Texture-modified diets (TMDs) may affect nutritional status and sarcopenia in patients after stroke. This study aimed to investigate the association of food texture levels consumed by patients after stroke with the prevalence of malnutrition and sarcopenia. This was a two-center cross-sectional study. A total of 443 patients aged ≥65 years undergoing post-stroke rehabilitation and with oral intake in rehabilitation wards in Shizuoka prefecture and Okinawa prefecture, Japan, were included in the analysis. Food textures were categorized according to the International Dysphagia Diet Standardization Initiative (IDDSI) framework. Malnutrition was diagnosed according to the Global Leadership Initiative on Malnutrition and sarcopenia was assess by the European Working Group on Sarcopenia in Older People 2 criteria. The Cochran–Armitage trend test was used to examine the prevalence of malnutrition and sarcopenia by consumption of lower food texture levels. Malnutrition and sarcopenia were diagnosed in 245 (55.3%) and 275 (62.1%) participants, respectively. Consumption of lower food texture levels was associated with a higher prevalence of malnutrition and severe malnutrition (P < 0.001 for both). In addition, consumption of lower food texture levels was associated with a higher prevalence of probable sarcopenia and sarcopenia (P < 0.001 for both). On multivariate analysis, significant associations were observed between IDDSI levels 5 (P < 0.001) and 4 (P = 0.009) and malnutrition, and between IDDSI levels 6 (P = 0.015), 5 (P = 0.033), and 4 (P = 0.015) and sarcopenia. In patients with stroke, consumption of lower food texture levels categorized by the IDDSI framework was associated with a higher prevalence of malnutrition and sarcopenia.
    This cross-sectional study aimed to examine the accuracy of the Simplified Nutritional Appetite Questionnaire (SNAQ) and the SNAQ for Japanese Elderly (SNAQ-JE) for the Global Leadership Initiative on Malnutrition (GLIM)-defined... more
    This cross-sectional study aimed to examine the accuracy of the Simplified Nutritional Appetite Questionnaire (SNAQ) and the SNAQ for Japanese Elderly (SNAQ-JE) for the Global Leadership Initiative on Malnutrition (GLIM)-defined malnutrition and sarcopenia screening in older persons. We included 380 inpatients aged ≥65 years (mean age, 79.3 ± 7.9; 60.0% women) and admitted to rehabilitation units. Undernutrition and sarcopenia were diagnosed based on GLIM criteria and the Asian Working Group for Sarcopenia, respectively, using bioimpedance analysis. Poor appetite was defined as an SNAQ score of <14 points and an SNAQ-JE score of ≤14 points. The sensitivity, specificity, and accuracy of these tools for detecting poor appetite for GLIM-defined malnutrition and sarcopenia were assessed. The rates of GLIM-defined malnutrition and sarcopenia were 56.8% and 59.2%, respectively. The number of patients with poor appetite was 94 (24.7%) for the SNAQ and 234 (61.6%) for the SNAQ-JE. The se...
    A high score determined by SARC-F, a simple screening questionnaire for sarcopenia, has been reportedly associated with worse medical outcomes. However, information regarding whether high SARC-F scores are associated with a poor prognosis... more
    A high score determined by SARC-F, a simple screening questionnaire for sarcopenia, has been reportedly associated with worse medical outcomes. However, information regarding whether high SARC-F scores are associated with a poor prognosis in patients with advanced cancer remains limited. We clarified whether a SARC-F score ≥ 4 predicts poor prognosis in patients with cancer receiving palliative care. We conducted a retrospective cohort study of patients with cancer who received palliative care at a university hospital between May 2019 and April 2020. Patient characteristics including age, sex, height, weight, cancer type, serum albumin level, C-reactive protein level, presence of edema, Eastern Cooperative Oncology Group-Performance Status (ECOG-PS), SARC-F score, history of anticancer therapy, and clinical outcomes were collected from electronic medical records. Of 304 patients, 188 had a SARC-F score < 4, and 116 patients had a SARC-F score ≥ 4. The overall survival of patients with a SARC-F score ≥ 4 was 40 days (95% CI 29–47), which was significantly worse than 121 days (95% CI 95–156) for patients with a SARC-F score < 4 (p < 0.001). SARC-F score ≥ 4 (hazard ratio: HR 1.56), edema (HR 1.94), head and neck cancer (HR 0.51), C-reactive protein (HR 1.05), ECOG-PS ≥ 3 (HR 1.47), and radiotherapy (HR 0.52) were associated with overall survival. The ability to climb stairs was a SARC-F sub-item significantly associated with mortality (HR 1.59). The SARC-F questionnaire is a useful predictor of prognosis for patients with cancer receiving palliative care because a SARC-F ≥ 4 score predicts worse overall survival.
    The authors would like to make an addendum to their published paper [...].
    To determine the association between SARC-F scores and the in-hospital mortality risk among older patients admitted to acute care hospitals. Single-center retrospective study. A university hospital. All consecutive patients aged older... more
    To determine the association between SARC-F scores and the in-hospital mortality risk among older patients admitted to acute care hospitals. Single-center retrospective study. A university hospital. All consecutive patients aged older than 65 were admitted and discharged from the study hospital between July 2019 and September 2019. Relevant patient data included age, sex, body mass index, nutritional status, fat-free mass, disease, activities of daily living (ADL), duration of hospital stay, SARC-F, and occurrence of death within 30 days of hospitalization. The diseases that caused hospitalization and comorbidities (Charlson Comorbidity Index; CCI) were obtained from medical records. The Eastern Cooperative Oncology Group-performance status (PS) was used to determine ADL, and the in-hospital mortality rate within 30 days of hospitalization as the outcome. We analyzed 2,424 patients. The mean age was 75.9±6.9 and 55.5% were male. Fifty-three in-hospital mortalities occurred among the participants within the first 30 days of hospitalization. Patients who died in-hospital were older, had poorer nutritional status and severer PS scores, and more comorbidities than those who did not. A SARC-F score of ≥4 predicted a higher mortality risk within those 30 days with the following precision: sensitivity 0.792 and specificity 0.805. There were significantly more deaths in Kaplan-Meier curves regarding a score of SARC-F≥4 than a score of SARC-F<4 (p<0.001). Cox proportional hazard analysis was used to identify the clinical indicators most associated with in-hospital mortality. SARC-F≥4 (Hazard Ratio: HR 5.65, p<0.001), CCI scores (HR1.11, p=0.004), and infectious and parasitic diseases (HR3.13, p=0.031) were associated with in-hospital mortality. The SARC-F items with significant in-hospital mortality effects were assistance with walking (HR 2.55, p<0.001) and climbing stairs (HR 2.46, p=0.002). The SARC-F questionnaire is a useful prognostic indicator for older adults because a SARC-F ≥4 score during admission to an acute care hospital predicts in-hospital mortality within 30 days of hospitalization.
    OBJECTIVES People with cancer have a high risk of cachexia and sarcopenia, which are associated with worse clinical outcomes. We evaluated the prediction accuracy of the Matsuyama et al. and Ishida et al. formulas using computed... more
    OBJECTIVES People with cancer have a high risk of cachexia and sarcopenia, which are associated with worse clinical outcomes. We evaluated the prediction accuracy of the Matsuyama et al. and Ishida et al. formulas using computed tomography (CT) slices from the twelfth thoracic vertebra (Th12) level in people with cancer. METHODS This retrospective study included patients with advanced cancer who underwent thoracic and abdominal CT scans (n = 173). The cross-sectional area (CSA) on CT images was measured at the levels of Th12 and the third lumbar vertebra (L3). The Matsuyama et al. formula used the Th12 CSA, whereas the Ishida et al. formula used only the Th12 CSA of the spinal erectors; thus, the measurements were performed separately. The correlation between predicted and actual L3 CSA was assessed using r and the intraclass correlation coefficient. A prediction-accuracy analysis of the predicted values was also performed. RESULTS The mean participant age was 66.2 ± 12.8 y; 50.3% of participants were women and 49.7% were men. Strong correlations were observed between the predicted and measured L3 values calculated from the two prediction formulas. The prediction-accuracy analysis using previously reported cutoff values showed that the Ishida et al. method had high sensitivity and the Matsuyama et al. method had high specificity for low skeletal muscle index determined by the predicted and measured L3 skeletal muscle index. CONCLUSIONS Both the Matsuyama et al. and Ishida et al. formulas had good reliability on CT slices at the Th12 level in people with advanced cancer, indicating that these formulas can be applied in clinical practice.
    This study assessed whether a high provided energy of ≥30 kcal/ideal body weight (IBW)/day (kg) for patients with sarcopenic dysphagia effectively improved swallowing ability and the activities of daily living (ADLs). Among 110 patients... more
    This study assessed whether a high provided energy of ≥30 kcal/ideal body weight (IBW)/day (kg) for patients with sarcopenic dysphagia effectively improved swallowing ability and the activities of daily living (ADLs). Among 110 patients with sarcopenic dysphagia (mean age, 84.9 ± 7.4 years) who were admitted to a post-acute hospital, swallowing ability and the ADLs were assessed using the Food Intake LEVEL Scale (FILS) and the Functional Independence Measure (FIM), respectively. The primary outcome was the FILS at discharge, while the secondary outcome was the achievement of the FIM with a minimal clinically important difference (MCID) at discharge. We created a homogeneous probability model without statistically significant differences using the inverse probability of treatment weighting (IPTW) method with and without a mean provided energy of ≥30 kcal/IBW/day (kg) for a period of 1 week of hospitalization and compared the outcomes between groups. A mean provided energy of ≥30 kcal...
    OBJECTIVES This study aimed to create a formula to estimate the third lumbar vertebra (L3)1 level skeletal muscle cross-sectional area (CSA), known as a standard value to evaluate skeletal muscle mass on computed tomography (CT), using... more
    OBJECTIVES This study aimed to create a formula to estimate the third lumbar vertebra (L3)1 level skeletal muscle cross-sectional area (CSA), known as a standard value to evaluate skeletal muscle mass on computed tomography (CT), using the twelfth thoracic vertebra (Th12) level skeletal muscle CSA on chest CT. MATERIALS AND METHODS This retrospective observational study included patients aged 40 + years with a diagnosis of oral squamous cell carcinoma (n = 164). Skeletal muscle CSA on CT images was measured using the Th12 and the L3 levels of pretreatment CT scans. The predictive formula was created based on the five-fold cross-validation method with a linear regression model. Correlations between the predicted L3-level CSA and the actual L3-level CSA were evaluated using r and Intraclass Correlation Coefficients (ICC). RESULTS The predictive formula for L3-level CSA from Th12-level CSA was: CSA at L3 (cm2) = 14.143 + 0.779 * CSA at Th12 (cm2) - 0.212 * Age (y) + 0.502 * Weight (kg) + 13.763 * Sex. Correlations between the predicted and measured L3-level CSA were r = 0.915 [0.886-0.937] and ICC = 0.911 [0.881-0.934]. CONCLUSION We developed a formula for predicting skeletal muscle mass from the Th12-level CT slice. The predicted L3-level CSA correlated with the measured L3-level CSA.
    OBJECTIVE This study aimed to clarify the association between texture-modified diets and poor appetite in older adults, as it is not fully understood. DESIGN Cross-sectional study. SETTING AND PARTICIPANTS We included 208 inpatients who... more
    OBJECTIVE This study aimed to clarify the association between texture-modified diets and poor appetite in older adults, as it is not fully understood. DESIGN Cross-sectional study. SETTING AND PARTICIPANTS We included 208 inpatients who were aged ≥65 years (mean age 78.9 ± 7.6 years, 57.7% female) and admitted to a rehabilitation unit with stroke, musculoskeletal disease, or hospital-associated deconditioning covered by the Japanese insurance system, between January 2019 and January 2020. METHODS Participants were divided into 2 groups according to their food texture level: International Dysphagia Diet Standardization Initiative (IDDSI) levels 3 to 5 for the texture-modified diet group and levels 6 and 7 for the normal diet group. Appetite was assessed using the Simplified Nutritional Appetite Questionnaire for the Japanese elderly, and a score ≤14 was defined as poor appetite. The relationship between IDDSI levels and poor appetite was analyzed using the Cochrane-Armitage trend test. Logistic regression analysis was used to investigate the relationship between the consumption of texture-modified diets and poor appetite. Statistical significance was set at P < .05. RESULTS The numbers of participants on modified diets according to the IDDSI framework were as follows: 4, 11, 41, 76, and 76 in levels 3, 4, 5, 6, and 7, respectively. In total, 152 and 56 patients were classified into the regular diet group and texture-modified diet group, respectively. A significantly higher prevalence of poor appetite was observed with the consumption of texture-modified diets (P < .001 for trend). Logistic regression analysis showed that poor appetite was independently associated with the consumption of texture-modified diets (odds ratio 3.443, P = .011). CONCLUSIONS AND IMPLICATIONS These findings indicate that the consumption of texture-modified diets is associated with poor appetite. Further studies are required to verify whether a multimodal approach involving improvement in the appearance, taste, flavor, and nutrients of the food can improve poor appetite.
    BackgroundInflammatory bowel diseases (IBD) are characterised by an intense infiltration of leucocytes that is mediated by adhesion molecules expressed on the surface of activated endothelial cells.AimsTo determine whether drugs used in... more
    BackgroundInflammatory bowel diseases (IBD) are characterised by an intense infiltration of leucocytes that is mediated by adhesion molecules expressed on the surface of activated endothelial cells.AimsTo determine whether drugs used in the treatment of IBD, specifically dexamethasone (DEX), 5-aminosalicylic acid (5-ASA), methotrexate (MTX), and 6-mercaptopurine (6-MP), alter the expression of endothelial cell adhesion molecules (ECAMs).MethodsThe expression of P-selectin, E-selectin, intercellular adhesion molecule 1 (ICAM-1), and vascular CAM 1 (VCAM-1) in different vascular beds of C57Bl/6J mice was measured using the dual radiolabelled monoclonal antibody technique.ResultsLipopolysaccharide (LPS) elicited a profound increase in the expression of all ECAMs in the mesentery, small intestine, caecum, and distal colon. The LPS induced increase in CAM expression was not significantly affected by prior treatment with either MTX or 6-MP. However, pretreatment with either DEX or 5-ASA s...
    Rationale: We previously reported that the area of the psoas major muscle (APMM) measured by computed tomography (CT) is a quick and simple tool to estimate muscle depletion in advanced cancer patients, and its performance as a prognostic... more
    Rationale: We previously reported that the area of the psoas major muscle (APMM) measured by computed tomography (CT) is a quick and simple tool to estimate muscle depletion in advanced cancer patients, and its performance as a prognostic value. Here we validated the relationship between depletion of APMM and survival in patients with two different types of cancer, which were colon and stomach cancer. Methods: A retrospective analysis was performed in thirtytwo cancer patients with gastrointestinal malignancies who underwent abdominal CT scans at initial diagnosis in noncachectic status and at follow-up in severe cachexia. Axial CT images at the top level of the iliac crest were obtained. APMM was measured by tracing the contour of the muscle using image analysis software. Decrease of APMM was expressed as percentage of initial CT image. Results: Twenty-three colorectal and nine stomach cancer patients were recruited with a median age of 69 and 63 years, respectively. Mean APMM decreased by 70.8±13.3% (from 16.5±5.3 cm2 to 11.9±4.2 cm2) in colon, and by 65.9±11.9% (from 21.7±3.5 cm2 to 14.3±3.8 cm2) in stomach. The respective linear correlations between prognosis and decrease of APMM were r = 0.622 (P= 0.002; slope = 0.648) and r = 0.75 (P= 0.0025; slope = 1.013). Analysis of covariance indicated no significant difference in slope between the cancer groups (P= 0.35). Conclusion: A simple index, APMM obtained from routine axial CT imaging, is valuable as a prognostic indicator in both colon and stomach cancer. Further studies are needed to confirm any statistically significant difference by cancer phenotype.
    Background: Depletion of muscle mass and strength has been proven to be a negative prognostic indicator for patients with cancer receiving anticancer treatment. However, little is known about its role in palliative care patients. The... more
    Background: Depletion of muscle mass and strength has been proven to be a negative prognostic indicator for patients with cancer receiving anticancer treatment. However, little is known about its role in palliative care patients. The objective of this study was to evaluate the prognostic significance of muscle depletion in predicting survival among patients in palliative care.Methods: We retrospectively examined the association between muscle mass and strength and prognosis in patients with incurable solid cancer who are supported by a palliative care team at a university hospital. Psoas muscle index (PMI) at the level of the fourth lumbar vertebra was employed as the muscle mass index. Pinch grip strength (PGS) was used as the muscle strength index. Cox proportional hazards analysis was performed to evaluate the factors independently associated with overall survival.Results: A total of 78 patients were included in this study (35 male, median age 67 years). Median survival was 87.5 ...
    The study aimed to investigate the impact of physical intervention and the amount of nutritional intake on the increase in tongue strength and swallowing function in older adults with sarcopenia. From November 2018 and May 2019, older... more
    The study aimed to investigate the impact of physical intervention and the amount of nutritional intake on the increase in tongue strength and swallowing function in older adults with sarcopenia. From November 2018 and May 2019, older patients with sarcopenia who were admitted for rehabilitation were analyzed. The intervention employed in the study was the usual physical and occupational therapy for two months. Tongue strength was measured before and after two months of treatment. Data on tongue strength, the amount of energy and protein intake, intervention time, and swallowing function were examined. A total of 95 sarcopenic older patients were included (mean age 83.4 ± 6.5 years). The mean tongue strength after the intervention was significantly increased from 25.4 ± 8.9 kPa to 30.5 ± 7.6 kPa as a result of the treatment (p < 0.001). After adjusting the confounding factors in the multivariable models, an energy intake of ≥30 kcal/kg/day and a protein intake of ≥1.2 g/kg/day ba...
    The purpose of this study was to investigate a means by which to reflect muscle mass using chest computed tomography (CT). A cross-sectional study was conducted with patients aged ≥ 65 years having abdominal and chest CT scans. The... more
    The purpose of this study was to investigate a means by which to reflect muscle mass using chest computed tomography (CT). A cross-sectional study was conducted with patients aged ≥ 65 years having abdominal and chest CT scans. The formula to predict third lumbar vertebra (L3) cross-sectional area (CSA) of the muscles from the erector muscles of the spine at the twelfth thoracic vertebra (Th12) level slice on CT was created using the five-fold cross-validation method. Correlation between predicted L3 CSA and measured L3 CSA of the muscles was assessed by intraclass correlation coefficients (ICC) and correlation coefficients (r) in the data of the development, and predictability was examined with accuracy and F-values in the validation study. The development study included 161 patients. The developed formula was as follows: −1006.38 + 16.29 × age + 1161.80 × sex (if female, 0; if male, 1) + 55.91 × body weight + 2.22 × CSA of the erector muscles at Th12. The formula demonstrated stro...
    Malnutrition leads to poor prognoses, including a predisposition to falls. Few studies have investigated the relationship between malnutrition and falls during hospitalization. This study aimed to determine malnutrition’s association with... more
    Malnutrition leads to poor prognoses, including a predisposition to falls. Few studies have investigated the relationship between malnutrition and falls during hospitalization. This study aimed to determine malnutrition’s association with falls during hospitalization. A retrospective observational study was conducted. Patients aged ≥65 years that were admitted to and discharged from a university hospital between April 2018 and March 2019 were examined. Patients with independent basic activities of daily living were included. Diagnosis of malnutrition was based on the European Society for Clinical Nutrition and Metabolism (ESPEN) criteria at admission. Disease information such as the Charlson Comorbidity Index (CCI) and reasons for hospitalization were reviewed. Kaplan–Meier curve and multivariate Cox regression analyses were performed. Data from 6081 patients (mean age: 74.4 ± 6.1 years; males: 58.1%) were analyzed. The mean CCI was 2.3 ± 2.8 points. Malnutrition was detected in 668...
    Background Poor oral health at hospital admission is a potential higher mortality risk predictor. We aimed to determine in-hospital mortality by assessing poor oral health using a validated tool. Methods A retrospective observational... more
    Background Poor oral health at hospital admission is a potential higher mortality risk predictor. We aimed to determine in-hospital mortality by assessing poor oral health using a validated tool. Methods A retrospective observational study was conducted in an acute care hospital, and 624 consecutive geriatric patients were included. Patients were divided into three groups according to oral health, stratified by the Oral Health Assessment Tool (OHAT) scores. Nutritional status, daily living activities, cognitive impairment, and comorbidities were collected as covariates. Univariate and multivariate analyses were performed to identify the relationship between oral health and survival. Results The mean age was 83.8 ± 7.9 years, and 41% were males. Groups with an OHAT score equivalent to 0, 1–2, and ≥ 3 comprised 213, 206, and 205 patients, and 11 (5.2%), 13 (6.3%), and 37 (18.0%) of those patients died in the hospital, respectively. Patients in the OHAT score ≥ 3 group had higher morta...
    The study aimed to investigate the impact of sarcopenia and sarcopenia-related conditions on the development of swallowing disorders during hospitalization. Older adult inpatients (n = 8768) without swallowing disorders in the premorbid... more
    The study aimed to investigate the impact of sarcopenia and sarcopenia-related conditions on the development of swallowing disorders during hospitalization. Older adult inpatients (n = 8768) without swallowing disorders in the premorbid period were studied. Sarcopenia-related conditions were evaluated in terms of nutritional status, physical status, and ambulatory conditions as well as hand-grip strength and muscle mass assessed by calf circumference. Development of swallowing disorders was defined based on food texture at discharge from the hospital. The patients’ mean age was 76.1 ± 6.9 years. A total of 374 (4.3%) patients developed swallowing disorders during hospitalization. They were older, with poorer nutritional status, and had more decline of physical performance than those without swallowing disorders. Performance Status score (odds ratio (OR) = 1.28 (1.12–1.46) p < 0.001), ambulatory dependency (OR = 1.72 (1.09–2.71), p = 0.020), malnutrition score (OR = 0.92 (0.87–0.9...

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