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Sarcopenia

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https://www.readbyqxmd.com/read/28634773/development-and-validation-of-a-fall-risk-assessment-index-for-dialysis-patients
#1
Kenichi Kono, Yusuke Nishida, Hiroki Yabe, Yoshihumi Moriyama, Toshihiko Mori, Ryota Shiraki, Takashi Sato
BACKGROUND: Dialysis patients often have low physical performance due to uremic sarcopenia, protein energy wasting (PEW), and incidence intradialytic hypotension (IDH), which are indicated as risk factors for falling. The objective of this study was to develop a symptom-encompassing evaluation form to predict falls with high sensitivity for dialysis patients. METHODS: A total of 251 patients who had been receiving maintenance hemodialysis therapy three times a week were enrolled in the study...
June 20, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28633487/high-intensity-interval-training-hiit-improves-physical-performance-and-frailty-in-aged-mice
#2
Kenneth Ladd Seldeen, Ginger Lasky, Merced Maria Leiker, Manhui Pang, Kirkwood Ely Personius, Bruce Robert Troen
Sarcopenia and frailty are highly prevalent in older individuals, increasing the risk of disability and loss of independence. High intensity interval training (HIIT) may provide a robust intervention for both sarcopenia and frailty by achieving both strength and endurance benefits with lower time commitments than other exercise regimens. To better understand the impacts of HIIT during aging, we compared 24-month-old C57BL/6J sedentary mice with those that were administered 10-minute uphill treadmill HIIT sessions three times per week over 16 weeks...
June 17, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28633440/low-alanine-aminotransferase-levels-in-the-elderly-frailty-disability-sarcopenia-and-reduced-survival
#3
Umberto Vespasiani-Gentilucci, Antonio De Vincentis, Luigi Ferrucci, Stefania Bandinelli, Raffaele Antonelli Incalzi, Antonio Picardi
Background: Although low alanine aminotransferase (ALT) levels have been associated with poor outcomes in the elderly, the determinants subtending this association have been poorly explored. To gain insight into this topic, we analyzed data from a prospective population-based database (InCHIANTI study) in which frailty, disability, sarcopenia and pyridoxine levels were systematically assessed. Methods: Data are from 765 participants aged >65 years (mean age 75...
June 19, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28633395/is-sarcopenia-associated-with-depression-a-systematic-review-and-meta-analysis-of-observational-studies
#4
Ke-Vin Chang, Tsai-Hsuan Hsu, Wei-Ting Wu, Kuo-Chin Huang, Der-Sheng Han
Objectives: to explore whether sarcopenia is associated with depression. Design: electronic literature databases from PubMed, Scopus, Embase and Google Scholar were searched. A systematic review and meta-analysis of observational studies was conducted. Setting: community and outpatient clinic. Participants: people with and without diagnoses of sarcopenia. Measurements: outcome measures of depression...
June 14, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28629717/sarcopenia-screened-by-the-sarc-f-questionnaire-and-physical-performances-of-elderly-women-a-cross-sectional-study
#5
Yves Rolland, Charlotte Dupuy, Gabor Abellan Van Kan, Matteo Cesari, Bruno Vellas, Marie Faruch, Cedric Dray, Philipe de Souto Barreto
OBJECTIVES: Screening for sarcopenia in daily practice can be challenging. Our objective was to explore whether the SARC-F questionnaire is a valid screening tool for sarcopenia (defined by the Foundation for the National Institutes of Health [FNIH] criteria). Moreover, we evaluated the physical performance of older women according to the SARC-F questionnaire. DESIGN: Cross-sectional study. PARTICIPANTS: Data from the Toulouse and Lyon EPIDémiologie de l'OStéoporose study (EPIDOS) on 3025 women living in the community (mean age: 80...
June 16, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28626757/actn3-gene-and-susceptibility-to-sarcopenia-and-osteoporotic-status-in-older-korean-adults
#6
Jinkyung Cho, Inhwan Lee, Hyunsik Kang
BACKGROUND: Little information is available about molecular markers for sarcopenia and osteoporosis in Asian populations. OBJECTIVE: This study investigated the association of the ACTN3 polymorphism with sarcopenia and osteoporotic status in older Korean adults. METHODS: Older Korean 62 men and 270 women (mean age 73.7 ± 6.6 years) participated in this study. Body mass index, percent body fatness, appendicular skeletal muscle mass, and bone mineral density of the lumbar spine, femur, and total body were analyzed with dual-energy X-ray absorptiometry...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28622884/the-effect-of-caloric-restriction-on-the-forelimb-skeletal-muscle-fibers-of-the-hypertrophic-myostatin-null-mice
#7
Mohamed I Elashry, Antonios Matsakas, Sabine Wenisch, Stefan Arnhold, Ketan Patel
Skeletal muscle mass loss has a broad impact on body performance and physical activity. Muscle wasting occurs due to genetic mutation as in muscular dystrophy, age-related muscle loss (sarcopenia) as well as in chronic wasting disorders as in cancer cachexia. Food restriction reduces muscle mass underpinned by increased muscle protein break down. However the influence of dietary restriction on the morphometry and phenotype of forelimb muscles in a genetically modified myostatin null mice are not fully characterized...
June 13, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28617708/the-impact-of-nutrition-on-quality-of-life-of-patients-with-hepatitis-c
#8
Luciana D Silva, Tatiana Bering, Gifone A Rocha
PURPOSE OF REVIEW: The aim of this study was to review the most recent aspects of nutrition and its impact on health-related quality of life (HRQOL) in patients with chronic hepatitis C (CHC). RECENT FINDINGS: Low HRQOL scores have been found in all stages of hepatitis C virus (HCV) infection. Of the factors linked to HRQOL, three aspects should be emphasized, nutritional status, physical activity and mental health status. Regarding the nutrition and metabolic conditions, a broad spectrum of nutritional disorders may impact on HRQOL of patients with CHC...
June 15, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28616771/androgen-supplementation-improves-some-but-not-all-aspects-of-immune-senescence-in-aged-male-macaques
#9
Maham Rais, Randall M Wilson, Henryk F Urbanski, Ilhem Messaoudi
Aging leads to a progressive decline in immune function commonly referred to as immune senescence, which results in increased incidence and severity of infection. In addition, older males experience a significant disruption in their levels of circulating androgens, notably testosterone and dehydroepiandrosterone (DHEA), which has been linked to sarcopenia, osteoporosis, cardiovascular disease, and diabetes. Since sex steroid levels modulate immune function, it is possible that the age-related decline in androgen levels can also affect immune senescence...
June 14, 2017: GeroScience
https://www.readbyqxmd.com/read/28614835/aging-of-competitive-athletes
#10
Hirofumi Tanaka
Demographics of human aging are rapidly changing. As illustrated in the biomedicalization of aging, an ever increasing number of older adults is affected by a variety of clinical conditions and diseases, including vascular stiffening, sarcopenia, physical disability, and poor quality of life. One population that is situated in the opposite end of the health and functional spectrum to the sedentary frail elderly is Masters athletes. These older competitive athletes are endowed with substantial functional capacity, overall long-term health, high motivation, and psychosocial outlook...
June 15, 2017: Gerontology
https://www.readbyqxmd.com/read/28608457/potential-therapeutic-interventions-for-chronic-kidney-disease-associated-sarcopenia-via-indoxyl-sulfate-induced-mitochondrial-dysfunction
#11
Yuki Enoki, Hiroshi Watanabe, Riho Arake, Rui Fujimura, Kana Ishiodori, Tadashi Imafuku, Kento Nishida, Ryusei Sugimoto, Saori Nagao, Shigeyuki Miyamura, Yu Ishima, Motoko Tanaka, Kazutaka Matsushita, Hirotaka Komaba, Masafumi Fukagawa, Masaki Otagiri, Toru Maruyama
BACKGROUND: Chronic kidney disease (CKD) patients experience skeletal muscle wasting and decreased exercise endurance. Our previous study demonstrated that indoxyl sulfate (IS), a uremic toxin, accelerates skeletal muscle atrophy. The purpose of this study was to examine the issue of whether IS causes mitochondria dysfunction and IS-targeted intervention using AST-120, which inhibits IS accumulation, or mitochondria-targeted intervention using L-carnitine or teneligliptin, a dipeptidyl peptidase-4 inhibitor which retains mitochondria function and alleviates skeletal muscle atrophy and muscle endurance in chronic kidney disease mice...
June 12, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28606408/-common-therapeutic-approaches-of-sarcopenia-in-the-elderly-and-uremic-myopathy
#12
Philippe Chauveau, Karine Moreau, Catherine Lasseur, Christian Combe, Michel Aparicio
The gradual loss of weight and function of muscle in patients with chronic kidney disease as in the elderly impacts the quality of life. Early management should help slow the functional limitation. Physical activity is the first therapy to propose that ensures stability of muscle mass and improved function. Resistance training programs have proven effective but are not yet widely available in nephrology units. The nutritional management should not be forgotten because there is a resistance to anabolism and protein intake should be involved in physical activity program...
June 9, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28605159/differential-impact-of-weight-loss-on-nonalcoholic-fatty-liver-resolution-in-a-north-american-cohort-with-obesity
#13
Vikrant Rachakonda, Rachel Wills, James P DeLany, Erin E Kershaw, Jaideep Behari
OBJECTIVE: Nonalcoholic fatty liver disease (NAFLD) is closely associated with obesity. In this study, a North American cohort with obesity enrolled in a lifestyle modification program was examined to determine the impact of weight loss on NAFLD resolution and sarcopenia. METHODS: Nondiabetic individuals with World Health Organization Class II/III obesity enrolled in a 6-month weight loss intervention were included. Steatosis was measured using computed tomography (CT)-derived liver:spleen attenuation ratio...
June 12, 2017: Obesity
https://www.readbyqxmd.com/read/28604513/severe-sarcopenia-and-increased-fat-stores-in-pediatric-patients-with-liver-kidney-or-intestine-failure
#14
Richard S Mangus, Weston J Bush, Chandrashekhar A Kubal, Christina Miller
OBJECTIVES: Malnutrition and wasting predict clinical outcomes in children with severe chronic illness. Objectively calculated malnutrition in children with end-stage organ failure has not been well studied. This analysis compares children with kidney, liver or intestine failure to healthy controls to quantitate the disparity in muscle and fat stores. METHODS: Children younger than age 19 with end stage liver, kidney or intestine failure and with pre-transplant computed tomography (CT) imaging were selected from the transplant database...
June 9, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28604415/sarcopenia-is-a-predictor-of-surgical-morbidity-in-inflammatory-bowel-disease
#15
Mark Pedersen, John Cromwell, Peter Nau
BACKGROUND: Sarcopenia is associated with an increased risk of operative morbidity and mortality. The impact of sarcopenia in inflammatory bowel disease (IBD) has not been evaluated. This study assessed the role of sarcopenia on operative outcomes in IBD. METHODS: A retrospective review of American College of Surgeons National Surgical Quality Improvement Program data of patients with IBD was completed. Records were abstracted for comorbidities and perioperative complications...
June 9, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28602957/mitochondrial-dynamics-signaling-is-shifted-toward-fusion-in-muscles-of-very-old-hip-fractured-patients-results-from-the-sarcopenia-in-hip-fracture-shift-exploratory-study
#16
Anna Picca, Riccardo Calvani, Maria Lorenzi, Amerigo Menghi, Marco Galli, Raffaele Vitiello, Francesco Randisi, Roberto Bernabei, Francesco Landi, Emanuele Marzetti
BACKGROUND: Mitochondrial quality control (MQC) is crucial for maintaining mitochondrial fitness. We investigated MQC signaling in muscle of old hip-fractured patients. METHODS: Twenty-three patients, enrolled in the Sarcopenia in HIp FracTure (SHIFT) study, were categorized into old (OL; n=8) and very old groups (VOL; n=15) using 85years as the cut-off. The expression of a set of MQC signaling proteins was assayed in vastus lateralis muscle biopsies. RESULTS: The content of lysosome-associated membrane protein 2, microtubule-associated protein 1 light chain 3B, optic atrophy protein 1, fission protein 1 (Fis1), peroxisome proliferator-activated receptor-γ coactivator-1α, and forkhead box O3 was unvaried between groups...
June 7, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28601218/-edmonton-frail-scale-in-colombian-older-people-comparison-with-the-fried-criteria
#17
Jairo Uriel Ramírez Ramírez, Miguel Oswaldo Cadena Sanabria, Miguel Enrique Ochoa
INTRODUCTION: The Edmonton Frailty Scale was developed in Alberta (Canada). It has been applied in different scenarios, such as acute units, day hospitals, and outpatient care. There are no studies published describing the usefulness of this scale in Colombia. MATERIALS AND METHODS: A cross-sectional study and secondary diagnostic test analysis was designed with the objective of studying the criterion validity of the Edmonton Frail Scale using Fried's frailty criteria as standard...
June 7, 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/28600505/malnutrition-sarcopenia-syndrome-predicts-mortality-in-hospitalized-older-patients
#18
Xiaoyi Hu, Lei Zhang, Haozhong Wang, Qiukui Hao, Birong Dong, Ming Yang
A new term, malnutrition-sarcopenia syndrome (MSS), was recently coined to describe the clinical presentation of both malnutrition and sarcopenia. The aim of this study was to investigate the association between MSS and long-term mortality in older inpatients. We conducted a prospective study in acute geriatric wards of two local hospitals in China. Muscle mass and malnutrition were estimated by anthropometric measures and the Mini Nutritional Assessment (MNA). Of the 453 participants, 14 (3.1%) had sarcopenia with normal nutrition, 139 (30...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28597407/resistance-wheel-exercise-from-mid-life-has-minimal-effect-on-sciatic-nerves-from-old-mice-in-which-sarcopenia-was-prevented
#19
Vidya S Krishnan, Zoe White, Jessica R Terrill, Stuart I Hodgetts, Melinda Fitzgerald, Tea Shavlakadze, Alan R Harvey, Miranda D Grounds
The ability of resistance exercise, initiated from mid-life, to prevent age-related changes in old sciatic nerves, was investigated in male and female C57BL/6J mice. Aging is associated with cellular changes in old sciatic nerves and also loss of skeletal muscle mass and function (sarcopenia). Mature adult mice aged 15 months (M) were subjected to increasing voluntary resistance wheel exercise (RWE) over a period of 8 M until 23 M of age. This prevented sarcopenia in the old 23 M aged male and female mice...
June 8, 2017: Biogerontology
https://www.readbyqxmd.com/read/28595526/sarcopenia-an-overview-on-current-definitions-diagnosis-and-treatment
#20
Francesco Landi, Riccardo Calvani, Matteo Cesari, Matteo Tosato, Anna Maria Martone, Elena Ortolani, Giulia Savera, Sara Salini, Alex N Sisto, Anna Picca, Emanuele Marzetti
Sarcopenia, the progressive and generalized loss of skeletal muscle mass and strength/function associated with aging, increases the risk of a vast array of adverse health outcomes, including falls, morbidity, loss of independence, disability, and mortality. As such, sarcopenia poses a huge socioeconomic burden in developed countries. The development and implementation of effective interventions against sarcopenia is therefore a public health priority. A preliminary, fundamental step in such a process entails the agreement of researchers, healthcare professionals and policy-makers around a unique operational definition of sarcopenia...
June 6, 2017: Current Protein & Peptide Science
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