#for_healthcare

Physical Activity and Performance Impact Long-term Quality of Life in Older Adults at Risk for Major Mobility Disability

E.J. Groessl, R.M. Kaplan, W.J. Rejeski, et al.

Am J Prev Med. 2019;56(1):141-146

Physical activity interventions can slow the decline in quality of life, and targeting specific subgroups may enhance the effects of such interventions.

German

The prevalence of sarcopenia in community-dwelling older adults, an exploration of differences between studies and within definitions: a systematic review and meta-analyses

A.J. Mayhew, K. Amog, S. Phillips, et al.

Age Ageing. 2019;48(1):48-56

This review aims to summarise the definitions of sarcopenia in community-dwelling older adults and explore similarities and differences in prevalence estimates by definition.

German

Systemic and Metabolic Signature of Sarcopenia in Community-Dwelling Older Adults

Y. Lu, L.G. Karagounis, T.P. Ng, et al.

J Gerontol A Biol Sci Med Sci. 2019 Jan 8. doi: 10.1093/gerona/glz001. [Epub ahead of print]

The present cross-sectional study characterized the nutritional and metabolic profile of sarcopenia through an extensive exploration of a wide array of blood biomarkers related to muscle protein metabolism and transcriptomic signatures in community-dwelling elderly.

German

Targeting mitochondrial quality control for treating sarcopenia: lessons from physical exercise

A. Picca, R. Calvani, C. Leeuwenburgh, et al.

Expert Opin Ther Targets. 2019;23(2):153-160

We discuss the evidence that points to mitochondrial dysfunction having a causative role in sarcopenia and the mechanisms involved in the accumulation of damaged mitochondria in the aged muscle. We also discuss the effects of physical exercise on mitochondrial quality control and muscle health in advanced age.

German

Beta-hydroxy-beta-methylbutyrate and sarcopenia: from biological plausibility to clinical evidence

F. Landi, R. Calvani, A. Picca, et al.

Curr Opin Clin Nutr Metab Care. 2019;22(1):37-43

The aim of this review is to discuss recent literature about beta-hydroxy-beta-methylbutyrate (HMB) metabolism, its pharmacokinetics compared with the metabolite leucine, effectiveness of HMB to improve outcomes in older adults, and novel approaches for HMB use.

German

Age-related changes in skeletal muscle: changes to life-style as a therapy

R. McCormick and A. Vasilaki

Biogerontology. 2018;19(6):519-536

As we age, there is an age-related loss in skeletal muscle mass and strength, known as sarcopenia. Sarcopenia results in a decrease in mobility and independence, as well as an increase in the risk of other morbidities and mortality. Sarcopenia is therefore a major socio-economical problem.

German

Serum Myostatin Levels Are Higher in Fitter, More Active, and Non-Frail Long-Term Nursing Home Residents and Increase after a Physical Exercise Intervention

H. Arrieta, G. Hervás, C. Rezola-Pardo, et al.

Gerontology. 2018 Nov 21:1-11. doi: 10.1159/000494137. [Epub ahead of print]

The aim is to determine the association of serum myostatin concentration with body composition, physical fitness, physical activity level, and frailty in long-term nursing home residents. We also aimed to ascertain the effect of an exercise program on myostatin levels.

German

Impact of medication on protein and amino acid metabolism in the elderly: the sulfur amino acid and paracetamol case

C. Mast, D. Dardevet, I. Papet

Nutr Res Rev. 2018;31(2):179-192

The present review provides the rationale for the potential pro-sarcopenic effect of paracetamol (acetaminophen; APAP) then recent results concerning the effect of chronic APAP treatment on muscle mass and metabolism are discussed.

German

Understanding functional and social risk characteristics of frail older adults: a cross-sectional survey study

D.R. Lee, E.C. Santo, J.C. Lo, et al.

BMC Fam Pract. 2018;19(1):170

Frailty is a condition of increasing importance, given the aging adult population. With an anticipated shortage of geriatricians, primary care physicians will increasingly need to manage care for frail adults with complex functional risks and social-economic circumstances.

German

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