Adairlaugesen1230
The viable zone where adipocytes and/or adipose-derived stem cells survive is present at the surface of graft fat tissue; however, there is controversy regarding the zone thickness. Graft retention could be improved if more adipocytes are included in the zone.
We hypothesize that a temporary reduction in adipocyte size prior to grafting could increase the number of adipocytes in the viable zone. We reduced the adipocyte size by treatment with MLN4924, which controls lipid accumulation in adipocytes, and investigated the histological and microenvironmental changes in grafted fat.
Subcutaneous fat harvested from wild-type C57BL/6J mice was chopped into small pieces; treated with dimethyl sulfoxide (control group), 0.25 μM MLN4924, or 0.5 μM MLN4924 for 4 days, and grafted into recipient C57BL/6J mice at the supraperiosteal plane of the skull.
The reduced adipocyte size in response to MLN4924 treatment was restored within 8 weeks after fat grafting. The MLN4924-treated groups exhibited substantially greater graft volume, lower tissue hypoxia, and higher production of M2 macrophages, compared with the control group.
Grafting with compact fat that had smaller adipocytes improved the microenvironment by modulating tissue hypoxia and macrophage polarization, leading to improved graft retention. Therefore, compact fat grafting may offer a new clinical strategy without the need for stem cell manipulation.
Grafting with compact fat that had smaller adipocytes improved the microenvironment by modulating tissue hypoxia and macrophage polarization, leading to improved graft retention. Therefore, compact fat grafting may offer a new clinical strategy without the need for stem cell manipulation.
The study aimed to develop a brief geriatric assessment (BGA) tool for the general practitioner to evaluate geriatric syndromes in community-dwelling older adults.
A cross-sectional study.
58 communities from four aging cities in Taiwan.
1,258 community-dwelling older adults aged 65 years and above.
The BGA targeted physical function impairment, cognitive impairment, and mood impairment. The cutoff values of physical function tests (handgrip strength and 6-meter walk test [6MWT]) were estimated by receiver operating characteristic analysis. Second, the diagnostic validity of the BGA was calculated in terms of sensitivity, specificity, and predictive values, which were compared to corresponding comprehensive geriatric assessment (CGA) items. Third, the associated risk factors of geriatric syndromes were selected using stepwise logistic regression. Finally, we combined items selected from literature and CGA and then proposed a practical BGA framework.
The proposed BGA comprised dominant handgrip strnt of geriatric syndromes in the community is important. The current study demonstrated a practical BGA tool for the general practitioner to comprehensively assess geriatric syndromes in community-dwelling older adults.
Immobilization contribute to iatrogenic decline in hospitalized older adult. Implementing physical activity (PA) seems to be one of the best and easy solution. However, PA interventions are poorly integrated into usual care and those available are either non-specific, need supervision or requested human/material resources. Thus, we aimed to assess the effect of a pragmatic, unsupervised, and specific PA program (SPRINT) on health care practice and functional capacities in hospitalized older patients.
Single arm interventional pragmatic pilot study.
Geriatric Assessment Unit (GAU).
Of the 39 patients (> 65 years) hospitalized in a GAU and eligible, 19 agreed to participate (AP) and 20 declined (N-AP).
One of the 4 PA programs, developed by our team, was allocated according to mobility profile. Individual functional capacities (i.e. balance, walking speed, functional mobility profile (PFMP)), active time (METS> 1.5 min), length of hospitalization (LOS), discharge orientation were assessed at admesearches are needed to confirm these promising pragmatic results.
The aim of this study was to compare muscle quality (MQ) between octogenarians classified as non-fallers, fallers and recurrent fallers and identify confounding intrinsic and extrensic factors that impact likelihood for falls.
This observational, descriptive, cross-sectional study included older adults (N=220) aged 80 years or older.
The Short Physical Performance Battery (SPPB) was used to evaluate physical function and MQ was calculated using the ratio of grip strength to arm muscle mass (in kilograms) quantified by DXA. Variables related to sociodemographic, clinical, cognitive function, and falls were evaluated using a questionnaire and symptoms of depression were evaluated by the Geriatric Depression Scale (GDS). A Kruskal-Wallis H test was used to verify differences between groups. Binomial logistic regression was performed to determine the impact of age, depression, polypharmacy, balance, MQ, and sex on participants having more than four falls in their history.
Increasing MQ was associated with reduced likelihood of more than four falls in their history. Non-fallers were statistically younger (p = 0.012) and took more medications (p = 0.023) than recurrent fallers. Recurrent fallers had lower MQ when compared with fallers (p = 0.007) and non-fallers (p = 0.001) and had a lower GDS score when compared with fallers (p = 0.022). WAY-309236-A cell line Finally, fallers presented lower scores for balance when compared to non-fallers (p = 0.013).
A higher MQ is associated with a reduction in the likelihood falls in octogenarians. Therefore, it may be advantageous for clinicians to evaluate MQ when the screening of the risk of falls in older adults.
A higher MQ is associated with a reduction in the likelihood falls in octogenarians. Therefore, it may be advantageous for clinicians to evaluate MQ when the screening of the risk of falls in older adults.
The burden of multimorbidity is increasing worldwide; however, little is known about trends in multimorbidity prevalence among Chinese older adults. We aimed to estimate the prevalence and trends of multimorbidity in community-dwelling older adults in Beijing.
Longitudinal.
Residents of Beijing aged ≥60 years.
Data were derived from the Beijing Longitudinal Study of Aging, using cluster, stratification, and random sampling. A total of 1842, 2914, and 1837 participants were included in the 2004, 2011, and 2017 sample, respectively. Multimorbidity was defined as the presence of two or more chronic conditions. Trends in multimorbidity were examined by age, sex, and geographical area.
The prevalence of multimorbidity was 32.5%, 52.9%, and 53.2% in 2004, 2011, and 2017, respectively, following an upward trend over time (P =0.003). A similar multimorbidity increase trend was present in age-, sex-, and region-stratified analysis for the 2004-2017 period (all P<0.05). The most common chronic diseases in 2004 were hypertension (34.