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Renal function and physical fitness after 12-mo supervised training in kidney transplant recipients

World Journal of Transplantation 2018年第1期8卷 13-22页

作者： Giulio Sergio Roi Giovanni Mosconi Valentina Totti Maria laura Angelini Erica Brugin Patrizio Sarto laura merlo Sergio Sgarzi Michele Stancari Paola Todeschini Gaetano La Manna Andrea Ermolao Ferdinando Tripi Lucia Andreoli Gianluigi Sella Alberto Anedda laura Stefani Giorgio Galanti Rocco Di Michele Franco Merni Manuela Trerotola Daniela Storani Alessandro Nanni Costa Department of Education and Research Isokinetic Medical Group Department of Nephrology and Dialysis Morgagni-Pierantoni Hospital Department of Biomedical & Neuromotor Sciences University of Bologna Associazione Nazionale Emodializzati Dialisi e Trapianto Department of Cardiovascular Sports Medicine Sports Medicine ULSS Company 9 Sports Medicine Regional Hospital of Bologna Department of Nephrology and Dialysis S. Orsola Hospital Sports Medicine Unit DIMED Department of Medicine University of Padua Sports Medicine Regional Hospital of Modena Sports Medicine Regional Hospital of Ravenna Sports Medicine Regional Hospital of Parma Department of Experimental and Clinical Medicine School of Sports Medicine University of Florence Sports Medicine Centre Italian National Transplant Centre

AIM To evaluate the effect of a 12-mo supervised aerobic and resistance training, on renal function and exercise capacity compared to usual care recommendations.METHODS Ninety-nine kidney transplant recipients(KTRs) were assigned to interventional exercise(Group A; n = 52) and a usual care cohort(Group B; n = 47). Blood and urine chemistry, exercise capacity, muscular strength, anthropometric measures and health-related quality of life(HRQo L) were assessed at baseline, and after 6 and 12 mo. Group A underwent a supervised training three times per week for 12 mo. Group B received only general recommendations about home-based physical activities.RESULTS Eighty-five KTRs completed the study(Group A, n = 44; Group B, n = 41). After 12 mo, renal function remained stable in both groups. Group A significantly increased maximum workload(+13 W, P = 0.0003), V'O2 peak(+3.1 mL/kg per minute, P = 0.0099), muscular strength in plantar flexor(+12 kg, P = 0.0368), height in the countermovement jump(+1.9 cm, P = 0.0293) and decreased in Body Mass Index(-0.5 kg/m^2, P = 0.0013). HRQo L significantly improved in physical function(P = 0.0019), physical-role limitations(P = 0.0321) and social functioning scales(P = 0.0346). Noimprovements were found in Group B.CONCLUSION Twelve-month of supervised aerobic and resistance training improves the physiological variables related to physical fitness and cardiovascular risks without consequences on renal function. Recommendations alone are not sufficient to induce changes in exercise capacity of KTRs. Our study is an example of collaborative working between transplant centres, sports medicine and exercise facilities.

关键词： Kidney transplant recipients Renal function Supervised exercise Aerobic exercise Muscle strength

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Dose-response effect of pre-exercise carbohydrates under muscle glycogen unavailability:Insights from McArdle disease

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Journal of Sport and Health Science 2024年第3期13卷 398-408页

作者： Pedro L.Valenzuela Alfredo Santalla Lidia B.Alejo Andrea merlo Asuncion Bustos laura Castellote-Belles Roser Ferrer-Costa Nicola A.Maffiuletti David Barranco-Gil Tomas Pinos Alejandro Lucia Physical Activity and Health Research Group(“PaHerg”) Research Institute of Hospital“12 de Octubre”(“imas12”)Madrid 28041Spain Department of Systems Biology University of AlcalaMadrid 28871Spain Department of Sport and Computer Science Section of Physical Education and SportsFaculty of SportUniversidad Pablo de OlavideSevilla 41013Spain EVOPRED Research Group Universidad Europea de CanariasTenerife 38300Spain Faculty of Sport Sciences Universidad Europea de MadridMadrid 28670Spain Gait&Motion Analysis Laboratory Sol et Salus HospitalTorre Pedrera di Rimini(RN)47922Italy Department of Clinical Biochemistry Laboratoris ClınicsHospital Universitari Vall d’HebronBarcelona 08035Spain Human Performance Lab Schulthess ClinicZurich 8008Switzerland Biomedical Research Networking Center on Rare Disorders(CIBERER) Barcelona 08035Spain Mitochondrial and Neuromuscular Disorders Unit Vall d’Hebron Institut de RecercaUniversitat Autonoma de BarcelonaBarcelona 08035Spain

Background:This study aimed to determine the effect of different carbohydrate(CHO)doses on exercise capacity in patients with McArdle disease—the paradigm of“exercise intolerance”,characterized by complete muscle glycogen unavailability—and to determine whether higher exogenous glucose levels affect metabolic responses at the McArdle muscle cell(in vitro)level.Methods:Patients with McArdle disease(n=8)and healthy controls(n=9)underwent a 12-min submaximal cycling constant-load bout followed by a maximal ramp test 15 min after ingesting a non-caloric placebo.In a randomized,double-blinded,cross-over design,patients repeated the tests after consuming either 75 g or 150 g of CHO(glucose:fructose=2:1).Cardiorespiratory,biochemical,perceptual,and electromyographic(EMG)variables were assessed.Additionally,glucose uptake and lactate appearance were studied in vitro in wild-type and McArdle mouse myotubes cultured with increasing glucose concentrations(0.35,1.00,4.50,and 10.00 g/L).Results:Compared with controls,patients showed the“classical”second-wind phenomenon(after prior disproportionate tachycardia,myalgia,and excess electromyographic activity during submaximal exercise,all p<0.05)and an impaired endurance exercise capacity(-51%ventilatory threshold and55%peak power output,both p<0.001).Regardless of the CHO dose(p<0.05 for both doses compared with the placebo),CHO intake increased blood glucose and lactate levels,decreased fat oxidation rates,and attenuated the second wind in the patients.However,only the higher dose increased ventilatory threshold(+27%,p=0.010)and peak power output(+18%,p=0.007).In vitro analyses revealed no differences in lactate levels across glucose concentrations in wild-type myotubes,whereas a doseresponse effect was observed in McArdle myotubes.Conclusion:CHO intake exerts beneficial effects on exercise capacity in McArdle disease,a condition associated with total muscle glycogen unavailability.Some of these benefits are dose dependent.

关键词： Endurance Glycogen storage disease Glycogenosis Nutrition Supplement

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美国2000、2006和2014年学校层面膳食中增加水果、蔬菜和全谷物食品及减少钠含量的营养实践研究

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上海预防医学 2016年第3期28卷 138-141页

作者： Caitlin merlo Nancy Brener laura Kann Tim McManus Diane Harris Kristy Mugavero 臧嘉捷(译) 周惠嘉(审校) Division of Population Health National Center for Chronic Disease Prevention and Health Promotion CDC Division of Adolescent and School Health National Center for HIV/AIDS Viral Hepatitis STD and TB Prevention CDC Division of Nutrition Physical Activity and Obesity National Center for Chronic Disease Prevention and Health Promotion CDC Division for Heart Disease and Stroke Prevention National Center for Chronic Disease Prevention and Health Promotion CDC 不详

1介绍鉴于美国农业部（U.S.Department of Agriculture,USDA）所实施的一些联邦学校膳食项目（如全国学校午餐计划）,学生们每天摄取的热量达一半都是在学校里获得。2012年,USDA发布了针对学校膳食的新版营养标准a。这些标准是对学校膳... 详细信息

1介绍鉴于美国农业部（U.S.Department of Agriculture,USDA）所实施的一些联邦学校膳食项目（如全国学校午餐计划）,学生们每天摄取的热量达一半都是在学校里获得。2012年,USDA发布了针对学校膳食的新版营养标准a。这些标准是对学校膳食项目实施超过15年来的首次重大修订,反映了当前国家的膳食指南和医药协会的建议,以满足学生的营养需求。

关键词：膳食营养谷物食品学校层面美国农业部膳食指南项目实施营养成分马苏里谷类食物低钠食品

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