Anticholinergic burden (ACB) and anemia were found associated with an increased risk of death amo... more Anticholinergic burden (ACB) and anemia were found associated with an increased risk of death among older patients. Additionally, anticholinergic medications may contribute to the development of anemia. Therefore, we aimed at investigating the prognostic interplay of ACB and anemia among older patients discharged from hospital. Our series consisted of 783 patients enrolled in a multicenter observational study. The outcome of the study was 1 year mortality. ACB was assessed by an Anticholinergic Cognitive Burden score. Anemia was defined as hemoglobin < 13 g/dL in men and <12 g/dL in women. The association between study variables and mortality was investigated by Cox regression analysis. After adjusting for several potential confounders, ACB score = 2 or more was significantly associated with the outcome in anemic patients (HR = 1.93, 95%CI = 1.13–3.40), but not non anemic patients (HR = 1.51, 95%CI = 0.65–3.48). An additive prognostic interaction between ACB and anemia was obs...
European journal of clinical nutrition, Jan 5, 2018
To compare the prognostic value of dynapenia, as evaluated by handgrip, and body mass index (BMI)... more To compare the prognostic value of dynapenia, as evaluated by handgrip, and body mass index (BMI) on length of stay (LOS), days of bed rest, and other hospitalization-related outcomes in a population of older adults admitted to 12 italian acute care divisions. Data on age, weight, BMI, comorbidities, ADL, physical activity level, muscle strength, were recorded at hospital admission. LOS, days of bed rest, intrahospital falls, and discharge destination were also recorded during the hospitalization. Subjects with BMI <18.5 kg/m were classified as underweight, subjects with BMI 18.5-24.9 as normal weight, subjects with BMI ≥25 as overweight-obese. A total of 634 patients, mean age 80.8 ± 6.7 years and 49.4% women, were included in the analysis. Overall dynapenic subjects (D) showed a longer period of LOS and bed rest compared with non-dynapenic (ND). When the study population was divided according to BMI categories, underweight (UW), normal weight (NW), and overweight-obese (OW-OB),...
Geriatrics & gerontology international, Jan 2, 2018
The association between anticholinergic burden and mortality is controversial. We aimed to invest... more The association between anticholinergic burden and mortality is controversial. We aimed to investigate whether the anticholinergic cognitive burden (ACB) score predicts 1-year mortality in older patients discharged from acute care hospitals. Our series consisted of 807 hospitalized patients aged ≥65 years. Patients were followed up for 12 months after discharge. All-cause mortality was the outcome of the study. The ACB score at discharge (0, 1, ≥2) and increasing ACB score from admission to discharge (no increase, +1, +2 or more) were calculated and used as exposure variables. Cox proportional hazards models adjusted for potential confounders were used for the analysis. Interactions between the ACB score and cognitive impairment or history of falls were also investigated. During the follow-up period, 177 out of 807 participants (21.9%) died. After adjusting for potential confounders, a discharge ACB score of ≥2 (HR 1.69, 95% CI 1.09-2.65) was significantly associated with the outcom...
While the relationship between total cholesterol (TC) and cardiovascular disease (CVD) progressiv... more While the relationship between total cholesterol (TC) and cardiovascular disease (CVD) progressively weakens with aging, several studies have shown that low TC is associated with increased mortality in older individuals. However, the possible additive/synergic contribution of the two most important cholesterol rich fractions (LDL-C and HDL-C) to mortality risk has not been previously investigated. Our study aimed to investigate the relationship between baseline LDL-C and HDL-C, both separately and combined, and 9-years mortality in a sample of community dwelling older individuals from the InCHIANTI study. 1044 individuals over 64 years were included. CVD and cancer mortality were defined by ICD-9 codes 390-459 and 140-239, respectively. LDL-C <130 mg/dL (3.36 mmol/L) was defined as "optimal/near optimal". Low HDL-C was defined as <40/50 mg/dL (1.03/1.29 mmol/L) in males/females, respectively. Nine-years mortality risk was calculated by multivariate Cox proportional h...
To evaluate the relationship between gait speed, recall memory, and mortality. A cohort study (la... more To evaluate the relationship between gait speed, recall memory, and mortality. A cohort study (last follow-up December 2009). Tuscany, Italy. Individual data from 1,014 community-dwelling older adults aged 60 years or older with baseline gait speed and recall memory measurements and follow-up for a median time of 9.10 (IQR 7.1;9.3) years. Participants were a mean (SD) age of 73.9 (7.3) years, and 55.8% women. Participants walking faster than 0.8 m/s were defined as fast walkers; good recall memory was defined as a score of 2 or 3 in the 3-word delayed recall section of the Mini-Mental State Examination. All-cause mortality. There were 302 deaths and the overall 100 person-year death rate was 3.77 (95% CI: 3.37-4.22). Both low gait speed and poor recall memory were associated with mortality when analysed separately (HR = 2.47; 95% CI: 1.87-3.27 and HR = 1.47; 95% CI: 1.16-1.87, respectively). When we grouped participants according to both recall and gait speed, death rates (100 person-years) progressively increased from those with both good gait speed and memory (2.0; 95% CI: 1.6-2.5), to those with fast walk but poor memory (3.4; 95% CI: 2.8-4.2), to those with slow walk and good memory (8.8; 95% CI: 6.4-12.1), to those with both slow walk and poor memory (13.0; 95% CI: 10.6-16.1). In multivariate analysis, poor memory significantly increases mortality risk among persons with fast gait speed (HR = 1.40; 95% CI: 1.04-1.89). In older persons, gait speed and recall memory are independent predictors of expected survival. Information on memory function might better stratify mortality risk among persons with fast gait speed.
The Short Physical Performance Battery (SPPB) is a well-established tool to assess lower extremit... more The Short Physical Performance Battery (SPPB) is a well-established tool to assess lower extremity physical performance status. Its predictive ability for all-cause mortality has been sparsely reported, but with conflicting results in different subsets of participants. The aim of this study was to perform a meta-analysis investigating the relationship between SPPB score and all-cause mortality. Articles were searched in MEDLINE, the Cochrane Library, Google Scholar, and BioMed Central between July and September 2015 and updated in January 2016. Inclusion criteria were observational studies; >50 participants; stratification of population according to SPPB value; data on all-cause mortality; English language publications. Twenty-four articles were selected from available evidence. Data of interest (i.e., clinical characteristics, information after stratification of the sample into four SPPB groups [0-3, 4-6, 7-9, 10-12]) were retrieved from the articles and/or obtained by the study...
Several factors can affect antipsychotic prescriptions, among which, caregivers. However, whether... more Several factors can affect antipsychotic prescriptions, among which, caregivers. However, whether being assisted by a care worker might increase the rate of antipsychotic prescriptions at discharge from acute care hospital has not been previously investigated. We aimed to investigate whether being assisted by a care worker is associated with increased use of antipsychotics among older patients discharged from acute care hospitals. The present series consisted of 928 patients not taking antipsychotics at admission in seven acute care wards of geriatric medicine in Italy (mean age 80.8 ± 7.2 years, 54.9% women). The outcome of the study was defined as receiving an antipsychotic prescription at discharge. Patients were grouped according to their living conditions as follows: (i) living alone; (ii) living only with care worker; (iii) living with care worker and family members; and (iv) living only with family members. The association between study variables and antipsychotic prescription at discharge was investigated by logistic regression analysis. After adjusting for potential confounders, being assisted by care workers was significantly associated with the outcome (OR 2.64, 95% CI 1.21-5.75). Diagnosis of dementia (OR 2.73, 95% CI 1.65-4.51), instrumental activities of daily living limitations (OR 1.12, 95% CI 1.05-1.21) and delirium during stay (OR 3.87, 95% CI 2.01-7.47) also qualified as independent correlates of antipsychotic prescription at discharge. Being assisted by care workers could increase the likelihood of receiving antipsychotics at discharge from acute care hospitals. Geriatr Gerontol Int 2016; ••: ••-••.
Aging clinical and experimental research, Jan 28, 2016
Frailty has become a high-priority issue in cardiovascular medicine because of the aging of cardi... more Frailty has become a high-priority issue in cardiovascular medicine because of the aging of cardiovascular patients. Simple and reproducible tools to assess frailty in elderly patients are clearly on demand. Their application may help physicians in the selection of invasive and medical treatments and in the timing and modality of the follow-up. The frailty in elderly patients receiving cardiac interventional procedures (FRASER) program is designed with the aim to validate the use of the short physical performance battery (SPPB) as prognostic tools in patients admitted to hospital for acute coronary syndrome (ACS). The FRASER program is a multicenter prospective study involving 4 Italian cardiology units. The FRASER program enrolls only patients aged ≥70 years. The core of the FRASER program includes patients admitted to hospital for ACS. The aims are (1) to describe SPPB distribution before hospital discharge and (2) to investigate the prognostic role of SPPB score. The primary outc...
Journal of the American Geriatrics Society, May 1, 2002
To determine whether serum levels of 25-hydroxyvitamin D (25(OH)D) and parathyroid hormone (PTH) ... more To determine whether serum levels of 25-hydroxyvitamin D (25(OH)D) and parathyroid hormone (PTH) predict accelerated decline in muscular strength or onset of new disability in mobility and upper extremity functioning over a 3-year follow-up. A community-based prospective cohort study. Six hundred twenty-eight moderately to severely disabled women aged 65 and older living in the community. Subjects were divided into three groups of baseline 25(OH)D serum levels (deficiency: &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;25 nmol/L; low normal: 25-52 nmol/L; high normal: &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt; or =53 nmol/L) and into tertiles of PTH levels. Objective performance measures (hip flexor, knee extensor, and grip strengths; walking speed; and time for repeated chair stands) and disability in activities involving mobility and upper extremity function were assessed at baseline and every 6 months for 3 years. Decline in performance measures and onset of new disability were compared between 25(OH)D and PTH groups using random effects models and proportional hazards models, respectively, while adjusting for age, race, education, body mass index, baseline performance, and chronic conditions. The annual rate of decline over 3 years in muscular strength, walking speed, and time to perform repeated chair stands was similar across 25(OH)D groups. We observed a nonsignificantly faster decline in proximal muscle strength and walking speed with increasing PTH levels. There was no association for either measure between serum levels and the risk of incident disability in activities relating to mobility and upper extremity function. This study does not support the hypothesis that vitamin D deficiency is associated with loss in muscular strength and decline in mobility and upper extremity functioning over time in older women who were moderately to severely disabled at baseline.
The journals of gerontology. Series A, Biological sciences and medical sciences, Jan 2, 2015
Sarcopenia is associated with increased risk of adverse outcomes in older people. Aim of the stud... more Sarcopenia is associated with increased risk of adverse outcomes in older people. Aim of the study was to explore the predictive value of the European Working Group on Sarcopenia in Older People (EWGSOP) diagnostic algorithm in terms of disability, hospitalization, and mortality and analyze the specific role of grip strength and walking speed as diagnostic criteria for sarcopenia. Longitudinal analysis of 538 participants enrolled in the InCHIANTI study. Sarcopenia was defined as having low muscle mass plus low grip strength or low gait speed (EWGSOP criteria). Muscle mass was assessed using bioimpedance analysis. Cox proportional and logistic regression models were used to assess risk of death, hospitalization, and disability for sarcopenic people and to investigate the individual contributions of grip strength and walking speed to the predictive value of the EWGSOP's algorithm. Prevalence of EWGSOP-defined sarcopenia at baseline was 10.2%. After adjusting for potential confoun...
ABSTRACT Frailty is a condition of increased vulnerability to cope with stressors, predisposing t... more ABSTRACT Frailty is a condition of increased vulnerability to cope with stressors, predisposing to the development of disability in basic and instrumental activities of daily living, falling, institutionalization and finally death. It is characterized by the loss of functional reserve in multiple domains resulting in a reduced tolerance to common external stresses. The pathogenetic steps conducting to frailty are not completely clear, but there is increasing evidence of a crucial role of insulin resistance and systemic inflammation in the development of frailty, disability, and related medical conditions. These two conditions may act directly, through a negative impact on homeostatic regulation and cross-systems compensation, or indirectly, by the effect of several diseases strongly related to frailty. Therefore, counteracting insulin resistance and systemic inflammation could be a powerful way to prevent the development of frailty and/or of its adverse outcomes. In this framework, diet and physical exercise may represent two important weapons in the prevention of frailty; indeed, current literature supports the effectiveness of a correct lifestyle based on a healthy diet (Mediterranean type diet) and regular physical exercise on frailty primary prevention. Studies on secondary prevention of frailty suggest that multi-component and resistance training, together with adequate energy and protein intake, might be helpful although data are still lacking. The efficacy of dietary supplementation in secondary prevention of frailty, albeit promising, remains to be confirmed in large clinical trials.
Anticholinergic burden (ACB) and anemia were found associated with an increased risk of death amo... more Anticholinergic burden (ACB) and anemia were found associated with an increased risk of death among older patients. Additionally, anticholinergic medications may contribute to the development of anemia. Therefore, we aimed at investigating the prognostic interplay of ACB and anemia among older patients discharged from hospital. Our series consisted of 783 patients enrolled in a multicenter observational study. The outcome of the study was 1 year mortality. ACB was assessed by an Anticholinergic Cognitive Burden score. Anemia was defined as hemoglobin < 13 g/dL in men and <12 g/dL in women. The association between study variables and mortality was investigated by Cox regression analysis. After adjusting for several potential confounders, ACB score = 2 or more was significantly associated with the outcome in anemic patients (HR = 1.93, 95%CI = 1.13–3.40), but not non anemic patients (HR = 1.51, 95%CI = 0.65–3.48). An additive prognostic interaction between ACB and anemia was obs...
European journal of clinical nutrition, Jan 5, 2018
To compare the prognostic value of dynapenia, as evaluated by handgrip, and body mass index (BMI)... more To compare the prognostic value of dynapenia, as evaluated by handgrip, and body mass index (BMI) on length of stay (LOS), days of bed rest, and other hospitalization-related outcomes in a population of older adults admitted to 12 italian acute care divisions. Data on age, weight, BMI, comorbidities, ADL, physical activity level, muscle strength, were recorded at hospital admission. LOS, days of bed rest, intrahospital falls, and discharge destination were also recorded during the hospitalization. Subjects with BMI <18.5 kg/m were classified as underweight, subjects with BMI 18.5-24.9 as normal weight, subjects with BMI ≥25 as overweight-obese. A total of 634 patients, mean age 80.8 ± 6.7 years and 49.4% women, were included in the analysis. Overall dynapenic subjects (D) showed a longer period of LOS and bed rest compared with non-dynapenic (ND). When the study population was divided according to BMI categories, underweight (UW), normal weight (NW), and overweight-obese (OW-OB),...
Geriatrics & gerontology international, Jan 2, 2018
The association between anticholinergic burden and mortality is controversial. We aimed to invest... more The association between anticholinergic burden and mortality is controversial. We aimed to investigate whether the anticholinergic cognitive burden (ACB) score predicts 1-year mortality in older patients discharged from acute care hospitals. Our series consisted of 807 hospitalized patients aged ≥65 years. Patients were followed up for 12 months after discharge. All-cause mortality was the outcome of the study. The ACB score at discharge (0, 1, ≥2) and increasing ACB score from admission to discharge (no increase, +1, +2 or more) were calculated and used as exposure variables. Cox proportional hazards models adjusted for potential confounders were used for the analysis. Interactions between the ACB score and cognitive impairment or history of falls were also investigated. During the follow-up period, 177 out of 807 participants (21.9%) died. After adjusting for potential confounders, a discharge ACB score of ≥2 (HR 1.69, 95% CI 1.09-2.65) was significantly associated with the outcom...
While the relationship between total cholesterol (TC) and cardiovascular disease (CVD) progressiv... more While the relationship between total cholesterol (TC) and cardiovascular disease (CVD) progressively weakens with aging, several studies have shown that low TC is associated with increased mortality in older individuals. However, the possible additive/synergic contribution of the two most important cholesterol rich fractions (LDL-C and HDL-C) to mortality risk has not been previously investigated. Our study aimed to investigate the relationship between baseline LDL-C and HDL-C, both separately and combined, and 9-years mortality in a sample of community dwelling older individuals from the InCHIANTI study. 1044 individuals over 64 years were included. CVD and cancer mortality were defined by ICD-9 codes 390-459 and 140-239, respectively. LDL-C <130 mg/dL (3.36 mmol/L) was defined as "optimal/near optimal". Low HDL-C was defined as <40/50 mg/dL (1.03/1.29 mmol/L) in males/females, respectively. Nine-years mortality risk was calculated by multivariate Cox proportional h...
To evaluate the relationship between gait speed, recall memory, and mortality. A cohort study (la... more To evaluate the relationship between gait speed, recall memory, and mortality. A cohort study (last follow-up December 2009). Tuscany, Italy. Individual data from 1,014 community-dwelling older adults aged 60 years or older with baseline gait speed and recall memory measurements and follow-up for a median time of 9.10 (IQR 7.1;9.3) years. Participants were a mean (SD) age of 73.9 (7.3) years, and 55.8% women. Participants walking faster than 0.8 m/s were defined as fast walkers; good recall memory was defined as a score of 2 or 3 in the 3-word delayed recall section of the Mini-Mental State Examination. All-cause mortality. There were 302 deaths and the overall 100 person-year death rate was 3.77 (95% CI: 3.37-4.22). Both low gait speed and poor recall memory were associated with mortality when analysed separately (HR = 2.47; 95% CI: 1.87-3.27 and HR = 1.47; 95% CI: 1.16-1.87, respectively). When we grouped participants according to both recall and gait speed, death rates (100 person-years) progressively increased from those with both good gait speed and memory (2.0; 95% CI: 1.6-2.5), to those with fast walk but poor memory (3.4; 95% CI: 2.8-4.2), to those with slow walk and good memory (8.8; 95% CI: 6.4-12.1), to those with both slow walk and poor memory (13.0; 95% CI: 10.6-16.1). In multivariate analysis, poor memory significantly increases mortality risk among persons with fast gait speed (HR = 1.40; 95% CI: 1.04-1.89). In older persons, gait speed and recall memory are independent predictors of expected survival. Information on memory function might better stratify mortality risk among persons with fast gait speed.
The Short Physical Performance Battery (SPPB) is a well-established tool to assess lower extremit... more The Short Physical Performance Battery (SPPB) is a well-established tool to assess lower extremity physical performance status. Its predictive ability for all-cause mortality has been sparsely reported, but with conflicting results in different subsets of participants. The aim of this study was to perform a meta-analysis investigating the relationship between SPPB score and all-cause mortality. Articles were searched in MEDLINE, the Cochrane Library, Google Scholar, and BioMed Central between July and September 2015 and updated in January 2016. Inclusion criteria were observational studies; >50 participants; stratification of population according to SPPB value; data on all-cause mortality; English language publications. Twenty-four articles were selected from available evidence. Data of interest (i.e., clinical characteristics, information after stratification of the sample into four SPPB groups [0-3, 4-6, 7-9, 10-12]) were retrieved from the articles and/or obtained by the study...
Several factors can affect antipsychotic prescriptions, among which, caregivers. However, whether... more Several factors can affect antipsychotic prescriptions, among which, caregivers. However, whether being assisted by a care worker might increase the rate of antipsychotic prescriptions at discharge from acute care hospital has not been previously investigated. We aimed to investigate whether being assisted by a care worker is associated with increased use of antipsychotics among older patients discharged from acute care hospitals. The present series consisted of 928 patients not taking antipsychotics at admission in seven acute care wards of geriatric medicine in Italy (mean age 80.8 ± 7.2 years, 54.9% women). The outcome of the study was defined as receiving an antipsychotic prescription at discharge. Patients were grouped according to their living conditions as follows: (i) living alone; (ii) living only with care worker; (iii) living with care worker and family members; and (iv) living only with family members. The association between study variables and antipsychotic prescription at discharge was investigated by logistic regression analysis. After adjusting for potential confounders, being assisted by care workers was significantly associated with the outcome (OR 2.64, 95% CI 1.21-5.75). Diagnosis of dementia (OR 2.73, 95% CI 1.65-4.51), instrumental activities of daily living limitations (OR 1.12, 95% CI 1.05-1.21) and delirium during stay (OR 3.87, 95% CI 2.01-7.47) also qualified as independent correlates of antipsychotic prescription at discharge. Being assisted by care workers could increase the likelihood of receiving antipsychotics at discharge from acute care hospitals. Geriatr Gerontol Int 2016; ••: ••-••.
Aging clinical and experimental research, Jan 28, 2016
Frailty has become a high-priority issue in cardiovascular medicine because of the aging of cardi... more Frailty has become a high-priority issue in cardiovascular medicine because of the aging of cardiovascular patients. Simple and reproducible tools to assess frailty in elderly patients are clearly on demand. Their application may help physicians in the selection of invasive and medical treatments and in the timing and modality of the follow-up. The frailty in elderly patients receiving cardiac interventional procedures (FRASER) program is designed with the aim to validate the use of the short physical performance battery (SPPB) as prognostic tools in patients admitted to hospital for acute coronary syndrome (ACS). The FRASER program is a multicenter prospective study involving 4 Italian cardiology units. The FRASER program enrolls only patients aged ≥70 years. The core of the FRASER program includes patients admitted to hospital for ACS. The aims are (1) to describe SPPB distribution before hospital discharge and (2) to investigate the prognostic role of SPPB score. The primary outc...
Journal of the American Geriatrics Society, May 1, 2002
To determine whether serum levels of 25-hydroxyvitamin D (25(OH)D) and parathyroid hormone (PTH) ... more To determine whether serum levels of 25-hydroxyvitamin D (25(OH)D) and parathyroid hormone (PTH) predict accelerated decline in muscular strength or onset of new disability in mobility and upper extremity functioning over a 3-year follow-up. A community-based prospective cohort study. Six hundred twenty-eight moderately to severely disabled women aged 65 and older living in the community. Subjects were divided into three groups of baseline 25(OH)D serum levels (deficiency: &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;25 nmol/L; low normal: 25-52 nmol/L; high normal: &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt; or =53 nmol/L) and into tertiles of PTH levels. Objective performance measures (hip flexor, knee extensor, and grip strengths; walking speed; and time for repeated chair stands) and disability in activities involving mobility and upper extremity function were assessed at baseline and every 6 months for 3 years. Decline in performance measures and onset of new disability were compared between 25(OH)D and PTH groups using random effects models and proportional hazards models, respectively, while adjusting for age, race, education, body mass index, baseline performance, and chronic conditions. The annual rate of decline over 3 years in muscular strength, walking speed, and time to perform repeated chair stands was similar across 25(OH)D groups. We observed a nonsignificantly faster decline in proximal muscle strength and walking speed with increasing PTH levels. There was no association for either measure between serum levels and the risk of incident disability in activities relating to mobility and upper extremity function. This study does not support the hypothesis that vitamin D deficiency is associated with loss in muscular strength and decline in mobility and upper extremity functioning over time in older women who were moderately to severely disabled at baseline.
The journals of gerontology. Series A, Biological sciences and medical sciences, Jan 2, 2015
Sarcopenia is associated with increased risk of adverse outcomes in older people. Aim of the stud... more Sarcopenia is associated with increased risk of adverse outcomes in older people. Aim of the study was to explore the predictive value of the European Working Group on Sarcopenia in Older People (EWGSOP) diagnostic algorithm in terms of disability, hospitalization, and mortality and analyze the specific role of grip strength and walking speed as diagnostic criteria for sarcopenia. Longitudinal analysis of 538 participants enrolled in the InCHIANTI study. Sarcopenia was defined as having low muscle mass plus low grip strength or low gait speed (EWGSOP criteria). Muscle mass was assessed using bioimpedance analysis. Cox proportional and logistic regression models were used to assess risk of death, hospitalization, and disability for sarcopenic people and to investigate the individual contributions of grip strength and walking speed to the predictive value of the EWGSOP's algorithm. Prevalence of EWGSOP-defined sarcopenia at baseline was 10.2%. After adjusting for potential confoun...
ABSTRACT Frailty is a condition of increased vulnerability to cope with stressors, predisposing t... more ABSTRACT Frailty is a condition of increased vulnerability to cope with stressors, predisposing to the development of disability in basic and instrumental activities of daily living, falling, institutionalization and finally death. It is characterized by the loss of functional reserve in multiple domains resulting in a reduced tolerance to common external stresses. The pathogenetic steps conducting to frailty are not completely clear, but there is increasing evidence of a crucial role of insulin resistance and systemic inflammation in the development of frailty, disability, and related medical conditions. These two conditions may act directly, through a negative impact on homeostatic regulation and cross-systems compensation, or indirectly, by the effect of several diseases strongly related to frailty. Therefore, counteracting insulin resistance and systemic inflammation could be a powerful way to prevent the development of frailty and/or of its adverse outcomes. In this framework, diet and physical exercise may represent two important weapons in the prevention of frailty; indeed, current literature supports the effectiveness of a correct lifestyle based on a healthy diet (Mediterranean type diet) and regular physical exercise on frailty primary prevention. Studies on secondary prevention of frailty suggest that multi-component and resistance training, together with adequate energy and protein intake, might be helpful although data are still lacking. The efficacy of dietary supplementation in secondary prevention of frailty, albeit promising, remains to be confirmed in large clinical trials.
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Papers by Stefano Volpato