Δευτέρα 30 Σεπτεμβρίου 2019

Waist circumference or sarcopenic obesity; which is more predictive?”

There is much more than just diseases that underlies frailty in older persons

Clinical examination of peripheral arterial disease and ankle–brachial index in a nationwide cohort of older subjects: practical implications

Abstract

Background

Prevalence of peripheral arterial disease increases with age and is related to increased morbidity and mortality. The clinical diagnosis includes the measurement of ankle–brachial index (ABI).

Aims

To check the prevalence of abnormal ABI, and the value of physical examination of arterial system in detection of ABI < 0.9.

Methods

We performed subgroup analysis of patients included in the PolSenior survey. We measured ABI, performed physical examination of arterial system, assessed laboratory and questionnaire factors related to atherosclerosis. Participants were divided according to ABI strata of < 0.9, 0.9–1.4 and > 1.4. Clinical score of abnormalities on physical examination was proposed. Using logistic regression, we obtained areas under the curve (AUC).

Results

The mean age of 844 participants (53.3% men) was 74.7 (10.6) years. ABI < 0.9 was found in 20.3% participants and it was linked to history of myocardial infarction, hypertension and renal failure. In the entire group, 72.4% of subjects declared, that they were able to walk a distance of 200 m without interruption. Higher clinical score was associated with lower ABI. Full physical examination (AUC = 0.67) followed by examination of lower extremities (AUC = 0.65) showed strongest diagnostic value for PAD based on ABI. Neither ABI nor clinical examination was a good predictor of the inability to walk 200 meters without difficulties.

Discussion/conclusions

Full clinical examination, only moderately, adds to detection of PAD. The ability to walk 200 m is not a good measure of PAD in older subjects.

Radiofrequency echographic multi-spectrometry for the in-vivo assessment of bone strength: state of the art—outcomes of an expert consensus meeting organized by the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases (ESCEO)

Abstract

Purpose

The purpose of this paper was to review the available approaches for bone strength assessment, osteoporosis diagnosis and fracture risk prediction, and to provide insights into radiofrequency echographic multi spectrometry (REMS), a non-ionizing axial skeleton technique.

Methods

A working group convened by the European Society for Clinical and Economic Aspects of Osteoporosis and Osteoarthritis met to review the current image-based methods for bone strength assessment and fracture risk estimation, and to discuss the clinical perspectives of REMS.

Results

Areal bone mineral density (BMD) measured by dual-energy X-ray absorptiometry (DXA) is the consolidated indicator for osteoporosis diagnosis and fracture risk assessment. A more reliable fracture risk estimation would actually require an improved assessment of bone strength, integrating also bone quality information. Several different approaches have been proposed, including additional DXA-based parameters, quantitative computed tomography, and quantitative ultrasound. Although each of them showed a somewhat improved clinical performance, none satisfied all the requirements for a widespread routine employment, which was typically hindered by unclear clinical usefulness, radiation doses, limited accessibility, or inapplicability to spine and hip, therefore leaving several clinical needs still unmet. REMS is a clinically available technology for osteoporosis diagnosis and fracture risk assessment through the estimation of BMD on the axial skeleton reference sites. Its automatic processing of unfiltered ultrasound signals provides accurate BMD values in view of fracture risk assessment.

Conclusions

New approaches for improved bone strength and fracture risk estimations are needed for a better management of osteoporotic patients. In this context, REMS represents a valuable approach for osteoporosis diagnosis and fracture risk prediction.

East meets West: current practices and policies in the management of musculoskeletal aging

Abstract

Healthy aging is defined as the process of developing and maintaining the functional ability that enables wellbeing in older age. Healthy aging is dependent upon intrinsic capacity, a composite of physical and mental capacities, and the environment an individual inhabits and their interactions with it. Maintenance of musculoskeletal health during aging is a key determinant of functional ability. Sarcopenia, osteoporosis and osteoarthritis, are a triad of musculoskeletal diseases of aging that are major contributors to the global burden of disease and disability worldwide. The prevention and management of these disorders is of increasing importance with pressure mounting from the aging population. In a new initiative, the Chinese Medical Association, Chinese Society of Osteoporosis and Bone Mineral Research, and the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases jointly organized a symposium to discuss current practices and policies in the management of musculoskeletal aging. The meeting allowed experts from Europe and China to share their experience and recommendations for the management of these three major diseases. Discussing and analyzing similarities and differences in their practice should lead, through a mutual enrichment of knowledge, to better management of these diseases, in order to preserve intrinsic capacity and retard the age-related degradation of physical ability. In future, it is hoped that sharing of knowledge and best practice will advance global strategies to reduce the burden of musculoskeletal disease and promote healthy aging tailored to meet the individual patient’s needs.

Short-Physical Performance Battery (SPPB) score is associated with falls in older outpatients

Abstract

Background

The capacity of Short-Physical Performance Battery (SPPB) test to discriminate between fallers and non-fallers is controversial, and has never been compared with fall risk assessment-specific tools, such as Performance-Oriented Mobility Assessment (POMA).

Aim

To verify the association of SPPB and POMA scores with falls in older outpatients.

Methods

451 older subjects (150 males, mean age 82.1 ± 6.8) evaluated in a geriatric outpatient clinic for suspected frailty were enrolled in this cross-sectional study. Self-reported history of falls and medication history were carefully assessed. Each participant underwent comprehensive geriatric assessment, including SPPB, POMA, Geriatric Depression Scale (GDS), mini-mental state examination (MMSE) and mini-nutritional assessment-short form (MNA-SF). Multivariate logistic regression and receiver-operating characteristic (ROC) analyses were performed to determine the factors associated with the status of faller.

Results

245 (54.3%) subjects were identified as fallers. They were older and had lower SPPB and POMA test scores than non-fallers. At ROC analysis, SPPB (AUC 0.676, 95% CI 0.627–0.728, p < 0.001) and POMA (AUC 0.677, 95% CI 0.627–0.726, p < 0.001) scores were both associated with falls. At multivariate logistic regression models, SPPB total score (OR 0.83, 95% CI 0.76–0.92, p < 0.001), POMA total score (OR 0.94, 95% CI 0.91–0.98, p = 0.002) and SPPB balance score alteration (OR 2.88, 95% CI 1.42–5.85, p = 0.004), but not POMA balance subscale score alteration, were independently associated with recorded falls, as also GDS, MMSE and MNA-SF scores.

Conclusions

SPPB total score was independently associated with reported falls in older outpatients, resulting non-inferior to POMA scale. The use of SPPB for fall risk assessment should be implemented.

Individual and cumulative association of commonly used biomarkers on frailty: a cross-sectional analysis of the Mexican Health and Aging Study

Abstract

Frailty has been recognized as a common condition in older adults, however, there is scarce information on the association between frailty and commonly used biomarkers. The aim of this study was to assess the individual and cumulative association of biomarkers with frailty status. This is a cross-sectional analysis of the 2012 wave of the Mexican Health and Aging Study. A sub-sample of 60-year or older adults with anthropometric measurements was analyzed. Frailty was defined with a 31-item frailty index and those considered frail had a score ≥ 0.21. Biomarkers were further categorized as normal/abnormal and tested both one by one and grouped (according to their usual cutoff values). Adjusted logistic models were performed. A total of 1128 older adults were analyzed and their mean age was 69.45 years and 51.24% of them were women. 26.7% (n = 301) were categorized as frail. Individual biomarkers associated with frailty after adjusting for confounding were: hemoglobin [odds ratio (OR) 1.67, 95% confidence interval (CI) 1.13–2.46, p = 0.009], glycated hemoglobin (OR 2.04, 95% CI 1.54–2.7, p < 0.001) and vitamin D (OR 1.53, 95% CI 1.13–2.07, p = 0.005). Those with ≥ 4 abnormal biomarkers had an independent association with frailty when compared to those without any abnormal biomarker (OR 2.64, 95% CI 1.3–5.25, p = 0.005). Aside from the individual associations of specific biomarkers, our findings show that an incremental association of abnormal biomarkers increases the probability of frailty, accounting for the multidimensional nature of frailty and the possible interplay between components of the system that potentiate to give rise to a negative condition such as frailty.

Study protocol of a randomised controlled trial to examine the impact of a complex intervention in pre-frail older adults

Abstract

Background

Frailty is a multidimensional geriatric syndrome associated with functional loss. The Senior Chef (SC, nutrition) and SAYGO (strength and balance exercise) programmes are well accepted among older adults but the impact of each, or a combination of both, on the frailty syndrome in pre-frail older adults is unknown.

Aims

To determine the effectiveness and cost-effectiveness of a complex intervention consisting of the SC and/or SAYGO programmes to prevent progression of frailty in pre-frail older adults.

Methods

A multi-centre randomised controlled assessor-blinded study. The four intervention groups are SC, an 8-week nutrition education and cooking class; SAYGO, a 10-week strength and balance exercise class; SC plus SAYGO, and a social group (Control). Community-dwelling adults aged 75+ (60 + Māori and Pasifika) in New Zealand are recruited through health providers. Participants are not terminally ill or with advanced dementia, and have a score of 1 or 2 on the FRAIL questionnaire. Baseline assessments are completed using standardised questionnaires prior to randomisation. Four follow-up assessments are completed: immediately after intervention, 6, 12 and 24 months post-intervention. The primary outcome is frailty score, secondary outcomes are falls, physical function, quality of life, food intake, physical activity, and sustainability of the strategy. Study outcomes will be analysed using intention-to-treat approach. Cost analyses will be completed to determine if interventions are cost effective relative to the control group.

Discussion

This trial is designed to be a real world rigorous assessment of whether the two intervention strategies can prevent progression of frailty in older people. If successful, this will generate valuable information about effectiveness of this nutrition and exercise strategy, and provide insights for their implementation.

Trial registration

Australian and New Zealand Clinical Trials Registry number—ACTRN12614000827639.

Effects of interval walking training compared to normal walking training on cognitive function and arterial function in older adults: a randomized controlled trial

Abstract

Purpose

This study investigated whether interval walking training (IWT) improves cognitive function and arterial function in older adults.

Methods

A total of 68 older adults registered in clinical trials (mean age ± standard deviation, 70 ± 4 years) were randomly assigned to two groups: one group performed IWT (n = 34), and the other performed normal walking training (NWT, n = 34). Participants in the IWT group performed five or more sets of low-intensity walking (duration: 3 min per set; peak aerobic capacity for walking: 40%) followed by high-intensity walking (duration: 3 min per set; peak aerobic capacity for walking: > 70%). The NWT group walked at approximately 50% of the peak aerobic capacity for walking. The IWT and NWT were performed for 20 weeks. Trail making test-A and B and carotid–femoral pulse wave velocity (cfPWV) were measured in both groups at baseline and again at the end of the 20-week study period.

Results

Compared to baseline, time for trail making test-A (IWT group: P = 0.00004, NWT group: P = 0.000006) and B (IWT group: P = 0.03, NWT group: P = 0.003) as well as cfPWV (IWT group: P = 0.000002, NWT group: P = 0.03) decreased significantly after the 20-week study period in both groups. However, cfPWV in the IWT group decreased significantly more than that in the NWT group (P = 0.03).

Conclusion

These results suggested that although both IWT and NWT were similarly effective at improving cognitive function, IWT reduced central arterial stiffness more than NWT.

The association between hand grip strength and rehabilitation outcome in post-acute hip fractured patients

Abstract

Purpose

Various factors have been shown to affect the rehabilitation outcome of hip fractured patients. Considering the decrease in muscle mass with aging and its impact on mobility, we hypothesized that a relationship exists between hand grip strength and rehabilitation outcome.

Methods

We retrospectively studied 373 post-hip fracture patients, admitted for rehabilitation. Muscle strength was measured by hand grip dynamometer. Main outcome measures: functional independence measure motor functional independence measure, motor functional independence measure effectiveness and length of stay). A favorable functional gain was defined as a motor Functional Independence Measure effectiveness score > 0.5. The Spearman correlation assessed the associations between hand grip strength and outcome measures. A multiple linear regression model tested whether hand grip strength was an independent predictor of discharge motor Functional Independence Measure scores and length of stay

Results

Significant correlations were found between hand grip strength and functional outcomes. A significant independent association was found between hand grip strength and discharge motor Functional Independence Measure score after adjustment for confounding demographic and clinical variables. High hand grip strength on admission was significantly associated with a greater chance of achieving a favorable functional gain (OR 1.064, 95% CI, 1.01–1.13; p = 0.032). Hand grip strength was not found to be associated with length of stay.

Conclusion

Hand grip strength is independently associated with rehabilitation outcome in post-acute frail hip fractured patients. Initial screening for hand grip strength on admission may help identify patients who require an intensive resistance exercise program.

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