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Skeletal muscle mass and quality before preoperative chemotherapy influence postoperative long-term outcomes in esophageal squamous cell carcinoma patients

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World Journal of Gastrointestinal Surgery 2023年第4期15卷 621-633页

作者： Daichi Ichinohe Takahiro Muroya Harue Akasaka Kenichi Hakamada Department of Gastroenterological Surgery Hirosaki University Graduate School of MedicineHirosaki 0368562AomoriJapan

BACKGROUND Previous reports have focused on muscle mass as a prognostic factor in esophageal *** To investigate how preoperative body type influences the prognosis of patients with esophageal squamous cell carcinoma who underwent neoadjuvant chemotherapy(NAC)and *** The subjects were 131 patients with clinical stage Ⅱ/Ⅲ esophageal squamous cell carcinoma who underwent subtotal esophagectomy after *** muscle mass and quality were calculated based on computed tomography images prior to NAC,and their statistical association with long-term outcomes was examined retrospectively in this case-control *** The disease-free survival rates in the low psoas muscle mass index(PMI)group vs the high PMI group were 41.3%vs 58.8%(P=0.036),*** the high intramuscular adipose tissue content(IMAC)group vs the low IMAC group,the disease-free survival rates were 28.5%vs 57.6%(P=0.021),*** overall survival(OS)rates for the low PMI group vs the high PMI group were 41.3%vs 64.5%(P=0.008),respectively,and for the high IMAC group vs the low IMAC group,they were 29.9%vs 61.9%(P=0.024),*** of the OS rate revealed significant differences in patients aged 60 years or older(P=0.018),those with pT3 or above disease(P=0.021),or those with lymph node metastasis(P=0.006),aside from PMI and *** analysis demonstrated that pT3 or above hazard ratio(HR):1.966,95%confidence interval(CI):1.089-3.550,(P=0.025),lymph node metastasis(HR:2.154,95%CI:1.118-4.148,P=0.022),low PMI(HR:2.266,95%CI:1.282-4.006,P=0.005),and high IMAC(HR:2.089,95%CI:1.036-4.214,P=0.022)were significant prognostic factors for esophageal squamous cell *** muscle mass and quality before NAC in patients with esophageal squamous cellcarcinoma are significant prognostic factors for postoperative OS.

关键词： Esophageal squamous cell carcinoma muscle mass muscle quality Neoadjuvant chemotherapy Body composition

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Sonographic muscle mass assessment in patients after cardiac surgery

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World Journal of Cardiology 2020年第7期12卷 351-361页

作者： Stavros Dimopoulos Vasiliki Raidou Dimitrios Elaiopoulos Foteini Chatzivasiloglou Despoina Markantonaki Efterpi Lyberopoulou Ioannis Vasileiadis Katerina Marathias Serafeim Nanas Andreas Karabinis Department of Cardiac Surgery ICU Onassis Cardiac Surgery CenterAthens 17674Greece Clinical Ergospirometry Exercise and Rehabilitation LaboratoryNational and Kapodistrian University of AthensAthens 10676Greece

BACKGROUND Patients undergoing cardiac surgery particularly those with comorbidities and frailty,experience frequently higher rates of post-operative morbidity,mortality and prolonged hospital length of *** mass wasting seems to play important role in prolonged mechanical ventilation(MV)and consequently in intensive care unit(ICU)and hospital *** To investigate the clinical value of skeletal muscle mass assessed by ultrasound early after cardiac surgery in terms of duration of MV and ICU length of *** In this observational study,we enrolled consecutively all patients,following their admission in the Cardiac Surgery ICU within 24 h of cardiac *** ultrasound scans,for the assessment of quadriceps muscle thickness,were performed at baseline and every 48 h for seven days or until ICU *** strength was also evaluated in parallel,using the Medical Research Council(MRC)*** Of the total 221 patients enrolled,ultrasound scans and muscle strength assessment were finally performed in 165 patients(patients excluded if ICU staymuscle thickness of rectus femoris(RF),was slightly decreased by 2.2%[(95%confidence interval(CI):-0.21 to 0.15),n=9;P=0.729]and the combined muscle thickness of the vastus intermedius(VI)and RF decreased by 3.5%[(95%CI:-0.4 to 0.22),n=9;P=0.530].Patients whose combined VI and RF muscle thickness was below the recorded median values(2.5 cm)on day 1(n=80),stayed longer in the ICU(47±74 h vs 28±45 h,P=0.02)and remained mechanically ventilated more(17±9 h vs 14±9 h,P=0.05).Moreover,patients with MRC score≤48 on day 3(n=7),required prolonged MV support compared to patients with MRC score≥49(n=33),(44±14 h vs 19±9 h,P=0.006)and had a longer duration of extracorporeal circulation was(159±91 min vs 112±71 min,P=0.025).CONCLUSION Skeletal quadriceps muscle thickness assessed by ultrasound shows a trend to a decrease in patients after cardiac surgery post-ICU admission and is associated with prolong

关键词： Intensive care unit-acquired weakness Cardiac surgery Skeletal muscle wasting muscle ultrasound Quadriceps femoris muscle mass

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Longitudinal Changes in Sarcopenia Criteria in Older Men with Low Skeletal muscle mass Index:A 2-Year Observational Study

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Journal of Science in Sport and Exercise 2019年第1期1卷 59-68页

作者： Wolfgang Kemmler Simon von Stengel Stephanie Kast Cornel Sieber Ellen Freiberger Institute of Medical Physics Friedrich-Alexander University Erlangen-NürnbergHenkestrasse 9191052 ErlangenGermany Institute of Biomedicine of Aging University of Erlangen-Nürnberg90408 NürnbergGermany

Purpose Declines in muscle mass and function are inevitable during the aging ***,what is the“normal age appropriate”decline of muscle mass and function?Further,is this decline uniform for muscle mass versus functions or between different functional abilities?Using recognized Sarcopenia criteria[*** muscle mass index(SMI)defined as appendicular skeletal muscle mass/height(kg/m^(2)),handgrip strength,gait velocity],the aim of the present project was to determine corresponding changes in community-dwelling men 70 years+with low SMI over a 2-year *** One hundred and seventy-seven(177)men within the lowest SMI quartile of a recent epidemiologic study(n=965)were included in the 2-year follow-up *** mass was determined via direct-segmental,multi-frequency Bio-Impedance-Analysis,handgrip strength was tested with a Jamar hand-dynamometer and habitual gait speed was assessed with photo sensors applying the 10 m *** SMI,handgrip strength and gait velocity all declined significantly(P<0.001;effect size,d′0.39-1.17),however,with significantly higher reductions(P<0.001)in functional compared with morphologic Sarcopenia criteria(P≤0.006).Less expected,handgrip strength featured a fourfold higher decline compared with gait velocity(−12.8±10.9%versus−3.5±9.0%).Conclusion We provided evidence for significant non-uniform changes of Sarcopenia criteria in a cohort of community dwell-ing men 70 years+with low *** doubt that this result might be a particularity of the selected cohort;however,studies with other(older)cohorts should address this issue in more *** practical relevance,our data further give implications for the prioritization of interventions that address Sarcopenia criteria in older community-dwelling men.

关键词： Sarcopenia muscle mass Handgrip strength Gait velocity Aging Older men

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muscle mass Is Associated with Depression in Adolescents and Young Adults

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Journal of Biosciences and Medicines 2024年第3期12卷 138-149页

作者： Ziyang Fang Xin Zhang Jinting Wei Ying Li Guangwu Huang Yi Wei Yingling Zhao Yiying Pan Yuanying Su Linghan Guo Xingyu Li Jinhua Wang School of Basic Medical Sciences Youjiang Medical University for Nationalities Baise China Graduate School Youjiang Medical University for Nationalities Baise China School of Clinical Medicine Youjiang Medical University for Nationalities Baise China School of Educational Sciences Baise University Baise China

Background and Aims: The study aims to explore the association between body composition and depression in adolescents and young adults. Methods: A random cluster sampling method was used to select 41 age-matched indi-viduals (aged 11 - 30) as a non-depressive control group. The Department of Psychology at the Affiliated Hospital of Youjiang Medical University for Na-tionalities recruited 27 depressive patients within the same age range. Bioelec-trical impedance analysis measured body composition, while SCL-90, SAS, and SDS were employed for depression diagnosis. Logistic regression analysis was conducted to assess the relationship between body composition and de-pression scores. Results: The Depression Group exhibited higher levels of fat mass (p Conclusion: Depression is associated with age, gender, and muscle mass in adolescents and young people. Proper exercise and a healthy diet can increase muscle mass, thereby reducing fat mass and, as a result, reducing the prevalence of depression.

关键词： Teenagers and Youth Depression Body Composition muscle mass Fat mass

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Associations of muscle mass,strength,and quality with all-cause mortality in China:a population-based cohort study

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Chinese Medical Journal 2022年第11期135卷 1358-1368页

作者： Man Wu Yuxia Wei Jun Lv Yu Guo Pei Pei Jiachen Li Huaidong Du Ling Yang Yiping Chen Xiaohui Sun Hua Zhang Junshi Chen Zhengming Chen Canqing Yu Liming Li 无 Department of Epidemiology and Biostatistics School of Public HealthPeking UniversityBeijing 100191China Key Laboratory of Molecular Cardiovascular Sciences Ministry of EducationPeking UniversityBeijing 100191China Peking University Center for Public Health and Epidemic Preparedness&Responses Beijing 100191China National Coordinating Center of China Kadoorie Biobank Chinese Academy of Medical SciencesBeijing 102308China Medical Research Council Population Health Research Unit the University of OxfordOxford OX37LFUK Clinical Trial Service Unit and Epidemiological Studies Unit(CTSU) Nuffield Department of Population HealthUniversity of OxfordOxford OX37LFUK NCDs Prevention and Control Department Qingdao CDCQingdaoShandong 266033China NHC Key Laboratory of Food Safety Risk Assessment China National Center for Food Safety Risk AssessmentBeijing 100022China. on behalf of the China Kadoorie Biobank Collaborative Group

Background It remains unclear about the association of muscle mass,strength,and quality with death in the general Chinese population of diverse economical and geographical *** present study aimed to comprehensively examine such associations across different regions in *** Based on the China Kadoorie Biobank study,the present study included 23,290 participants who were aged 38 to 88 years and had no prevalent cardiovascular diseases or *** mass and grip strength were measured using calibrated *** muscle quality was defined as the ratio of grip strength to arm muscle *** muscle mass,grip strength,and arm muscle quality were defined as the sex-specific lowest quintiles of muscle mass index,grip strength,and arm muscle quality,*** proportional hazards models yielded hazard ratios(HRs)and 95%confidence intervals(CIs)for risks of all-cause mortality in relation to muscle mass,strength,and *** During a median follow-up of 3.98 years,739 participants *** HR(95%CI)of all-cause mortality risk was 1.28(1.08–1.51)for low appendicular muscle mass index,1.38(1.16–1.62)for low total muscle mass index,1.68(1.41–2.00)for low grip strength,and 1.41(1.20–1.66)for low arm muscle quality in models adjusted for sociodemographic characteristics,lifestyle factors,and medical *** Low muscle mass,grip strength,and arm muscle quality are all associated with short-term increased risks of mortality,indicating the importance of maintaining normal muscle mass,strength,and quality for general Chinese adults.

关键词： muscle All-cause mortality Chinese Prospective muscle mass muscle strength muscle quality

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Relationship between muscle Strength, muscle mass and BMD in Postmenopausal Female of Zhuang in Guangxi Province of China

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Journal of Biosciences and Medicines 2022年第2期10卷 87-97页

作者： Peizhao Shi Songyi Mo Jiahui Li Qingxiu Feng Yuanxin Huang Xinling Ma Biao Li Ziyang Fang Huiling Liu Guangwu Huang Ling Tang Jinhua Wang Xiaoyan Fang School of Basic Medical Sciences Youjiang Medical University for Nationalities Baise China Department of Orthopedics Affiliated Hospital of Hebei University of Engineering Handan China Department of Clinical Medicine Medical School of Nanjing University Nanjing China Affiliated Hospital of Youjiang Medical University for Nationalities Baise China School of Nursing Youjiang Medical University for Nationalities Baise China West China School of Basic Medical Sciences & Forensic Medicine Sichuan University Chengdu China

Objective: To explore the correlation between muscle strength, muscle mass and bone mineral density (BMD) in Zhuang female population, body composition analysis and grip strength, and to analyze the possible influencing factors of BMD. Methods: 182 postmenopausal women were selected from Guangxi Province of China. Broadband ultrasound attenuation (BUA) was used to evaluate BMD. Grip dynamometer to assess muscle strength. Height, weight and muscle mass of each part were measured by body composition measuring instrument. Body mass index (BMI), skeletal muscle mass index (SMI) and limb skeletal muscle mass (SM) were calculated according to the measurement results. Results: BUA, grip strength and SMI in postmenopausal women of Zhuang nationality showed a decreasing trend with age (p p p r = 0.305, p Conclusion: With the increase of age, the decline rate of muscle strength of postmenopausal Zhuang women in Guangxi is slower than that of BMD and muscle mass. SM can better reflect the BMD level of the body than SMI, and the LSM is the main influencing factor of BMD.

关键词： muscle Strength muscle mass Musculoskeletal System Bone Mineral Density Postmenopausal Females

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Characteristics of Body Composition and Relationship between muscle mass and muscle Strength among Elderly Women in Different Age Groups

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Advances in Aging Research 2022年第5期11卷 135-149页

作者： Nao Nishioka Nishi Noriko Tanaka Naomi Hirano Graduate School of Life Sciences Kobe Women’s University Kobe Japan Department of Arts and Science Kobe Women’s Junior College Kobe Japan Department of Food and Nutrition Science Kobe Women’s Junior College Kobe Japan

Age-related changes in the body composition of older adults differ among age groups. The purpose of the present study was to clarify the characteristics of body compositions in young (age, 65 - 74 years;yE group) and old (age, ≥75 years;oE group) elderly women, and compare the relationship between muscle mass and strength in elderly women with that in young women for preventing motor function loss in older adults. A total of 30 elderly and 45 young women aged ≥ 65 and 19 - 22 years, respectively, participated in this study. The participants underwent body composition measurement via bioelectrical impedance analysis and examinations of handgrip and leg muscle strength. The age-related body composition changes varied among age groups. Compared with young women, fat-free mass (FFM) in the yE group did not decrease significantly;however, fat mass (FM) and waist-hip ratio (WHR) were significantly greater. Compared with the yE group, decreases in FFM, FM, and WHR in the oE group were significant;furthermore, the decrease in FM measurements was attributed to the loss of FM in the trunk and limbs (upper and lower). The measurement results suggested that the greater FM decrease in the oE group was characterized by decreases in both visceral and subcutaneous fat. In the yE group, the muscle mass was comparable to that in young women;however, there was a remarkable reduction in the lower-limb muscle mass (9% - 10%). In the oE group, muscle mass was reduced in all body parts, including upper and lower limbs and trunk. In young women, significant positive correlations between muscle mass and muscle strength in the upper and lower limbs were observed. No such correlations in the lower limbs were found in elderly women, indicating that muscle mass is not proportionally reflected in muscle strength. In conclusion, for improving and maintaining the health of elderly women, especially those above the age of 75 years, it is important to maintain muscle mass, including muscle strength,

关键词： Elderly Women Body Composition muscle mass muscle Strength

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Comparison of the Two Algorithms of Skeletal muscle mass Index: An Observational Study in a Large Cohort of Chinese Adults

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Health 2022年第8期14卷 895-909页

作者： Ying Sui Zhen Huang Shengyong Dong Yansong Zheng Second Medical Center & National Clinical Research Center for Geriatric Diseases Chinese People’s Liberation Army General Hospital Beijing China Nanning First People’s Hospital (The Fifth Affiliated Hospital of Guangxi Medical University) Nanning China

Objective: To compare the two skeletal muscle mass index (SMI) algorithms. One is SMM [SMM(%) = total skeletal muscle mass (kg)/body weight mass (kg) × 100%];and the other is SMH [SMH (kg/m2) = total skeletal muscle mass (kg)/height (m)2]. Methods: Body composition, body mass index (BMI) and body fat percentage (BFP) were estimated using a bioelectrical impedance analyzer. SMI was calculated by the two algorithms described above, and measurement parameters were stratified by age, BMI and levels of physical activity. Results: Levels of BMI, BFP, SMM and SMH differed significantly between the sexes. BMI and BFP were positively associated with age, while SMM was negatively associated with age (β = −0.2294, P 0.05). Conclusions: SMM may be a more ideal and accurate clinical algorithm for SMI because it is more tightly associated with other body composition indices, as compared with SMH.

关键词： Physical Examination Body Weight muscle mass Skeletal muscle mass Index

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muscle hypertrophy in transgenic mice due to over-expression of porcine myostatin mutated at its cleavage site

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Journal of Integrative Agriculture 2016年第11期15卷 2571-2577页

作者： QIAN Li-li MA De-zun GAO Peng-fei JIANG Sheng-wang WANG Qing-qing CAI Chun-bo XIAO Gao-jun AN Xiao-rong CUI Wen-tao State Key Laboratory of Agrobiotechnology China Agricultural University State Key Laboratory for Animal Nutrition Institute of Animal ScienceChinese Academy of Agricultural Sciences

Myostatin, a member of the transforming growth factor beta（TGF-β） superfamily, is a dominant inhibitor that acts to limit skeletal muscle growth and development. In this study, we generated transgenic mice that express porcine myostatin containg mutations at its cleavage site（RSRR） to evaluate its effect on muscle mass. Results showed that the weight of four skeletal muscles including gastrocnemius, rectus femoris, tibialis anterior, and pectoralis increased by 17.83 and 28.39%, 21.76 and 28.70%, 34.31 and 41.62%, 53.21 and 27.54% in transgenic male and female mice, respectively, compared to their corresponding non-transgenic control mice. Measurement of muscle fiber size and number indicated that the mean myofiber size increased by 50.73 and 61.30% in transgenic male and female mice respectively compared to the non-transgenic controls. However, there was no difference in the number of myofiber between transgenic and non-transgenic male mice. These results clearly demonstrated that the increase in skeletal muscle mass in transgenic mice is caused by hypertrophy instead of hyperplasia.

关键词： porcine myostatin muscle mass transgenic mice mutation hypertrophy hyperplasia

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Fitness and health benefits of team handball training for young untrained women--A cross-disciplinary RCT on physiological adaptations and motivational aspects

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Journal of Sport and Health Science 2018年第2期7卷 139-148页

作者： Therese Hornstrup Johan M.Wikman Bjorn Fristrup Susana Povoas Eva W.Helge Signe H.Nielsen Jorn W.Helge Jesper L.Andersen Lars Nybo Peter Krustrup Department of Nutrition Exercise and Sports University of Copenhagen Copenhagen N 2200 Denmark Research Center in Sports Sciences Health Sciences and Human Development CIDESD University Institute of Maia ISMAI Maia 4475-690 Portugal Center of Healthy Aging Department of Biomedical Sciences University of Copenhagen Copenhagen N 2200 Denmark Institute of Sports Medicine Copenhagen Bispebjerg Hospital Copenhagen NV 2400 Denmark Department of Sports Science and Clinical Biomechanics SDU Sport and Health Sciences Cluster (SHSC) University of Southern Denmark Odense 3450 Denmark Sport and Health Sciences University of Exeter Exeter EX1 2LU UK

Purpose: The present study evaluated the effects of regular participation in small-sided team handball training on body composition, osteogenic response, physical performance, and cardiovascular risk factors, as well as well-being and motivation, in young untrained ***: Twenty-eight untrained 20- to 30-year-old women were randomized to a handball training group(HG; n = 14, height 170 ± 5 cm, weight 73 ± 11 kg, VO_(2peak) 37.7 ± 4.1 mL/min/kg) that trained 1.7 ± 0.3 times per week over 12 weeks(70 min 4 v 4 handball sessions) or an inactive control group(CG; n = 14, 169 ± 5 cm, 71 ± 12 kg, 38.1 ± 3.7 mL/min/kg). Physiological and psychological and motivational training adaptations were assessed pre-and post-intervention by dual-energy X-ray Absorptiometry(DXA) scans, blood sampling, physical tests, and ***: The average heart rate(HR) over all training sessions was equal to 85% ± 6% HR_(max). Between-group intervention effects were observed in favor of HG for muscle mass(2.1%, p = 0.024), proximal femur bone mineral density(0.8%, p = 0.041), Yo-Yo IE1 intermittent endurance test level 1(IE1) performance(35%, p mass(p = 0.176),mean arterial blood pressure(p = 0.328), resting HR(p = 0.219), or blood lipids(p = 0.298—0.854). In CG, no changes were observed in any of the measured physiological variables after the training period. Compared to CG, HG had an increase in intrinsic motivation(p < 0.001) and in the well-being subscale "energy"(p = 0.010).Conclusion: Participation in regular recreational team handball training organized as small-sided games has marked beneficial effects on physical performance, musculoskeletal fitness, well-being, and motivation in untrained young women.

关键词： Bone mineral density (BMD) Intensity Intermittent Motivation muscle mass Physical performance Recreational handball Well-being

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