nutritional supplementation

营养补充
  • 文章类型: Systematic Review
    本系统综述评估了最佳血清镁水平可以提高克罗恩病(CD)缓解率的假设,并考虑了补充镁对CD治疗是否有益。这篇综述旨在综合有关血清镁对CD疾病缓解的影响的现有证据。并分析补充镁的有效性和机制作用。坚持PRISMA准则,我们搜索了PubMed,WebofScience,和Scopus直到2024年1月使用MeSH术语和与CD和镁相关的自由文本查询。纳入标准是调查血清镁水平的研究,补充的效果,和CD缓解中的炎症机制。从确定的525条记录中,移除重复项和无关记录后,8项研究符合纳入标准.这些研究,在1998年至2023年之间进行,涉及453名患者和292名对照的累积样本。主要发现包括CD患者的血清镁水平(0.79±0.09mmol/L)明显低于对照组(0.82±0.06mmol/L),在一项研究中观察到CD患者的低镁血症患病率高达50%。值得注意的是,CD患者,尤其是男人,表现出较低的镁摄入量(男性:276.4毫克/天;女性:198.2毫克/天)。此外,低镁水平与睡眠潜伏期增加(95%CI-0.65至-0.102;p=0.011)和睡眠持续时间减少(95%CI-0.613至-0.041;p=0.028)相关.另一个关键发现是低血清镁水平和升高的CRP水平之间的显着关联,作为CD疾病活动的指标。研究结果支持以下假设:与健康对照组相比,CD患者的血清镁水平显着降低,并表明补充镁可以通过提高缓解率和睡眠质量来改善CD管理。然而,更严格,循证研究对于确定特定的补充方案和充分阐明镁在CD病理生理学中的作用是必要的.
    This systematic review evaluates the hypothesis that optimal serum magnesium levels may enhance remission rates in Crohn\'s disease (CD) and considers whether magnesium supplementation could be beneficial in CD management. This review aims to synthesize available evidence concerning the impact of serum magnesium on disease remission in CD, and to analyze the effectiveness and mechanistic roles of magnesium supplementation. Adhering to the PRISMA guidelines, we searched PubMed, Web of Science, and Scopus up to January 2024 using MeSH terms and free-text queries related to CD and magnesium. The inclusion criteria were studies that investigated serum magnesium levels, effects of supplementation, and the inflammatory mechanisms in CD remission. From the 525 records identified, eight studies met the inclusion criteria after the removal of duplicates and irrelevant records. These studies, conducted between 1998 and 2023, involved a cumulative sample of 453 patients and 292 controls. Key findings include significantly lower serum magnesium levels in CD patients (0.79 ± 0.09 mmol/L) compared to controls (0.82 ± 0.06 mmol/L), with up to 50% prevalence of hypomagnesemia in CD patients observed in one study. Notably, CD patients, particularly men, exhibited lower magnesium intake (men: 276.4 mg/day; women: 198.2 mg/day). Additionally, low magnesium levels correlated with increased sleep latency (95% CI -0.65 to -0.102; p = 0.011) and decreased sleep duration (95% CI -0.613 to -0.041; p = 0.028). Another key finding was the significant association between low serum magnesium levels and elevated CRP levels as an indicator of CD disease activity. The findings support the hypothesis that serum magnesium levels are significantly lower in CD patients compared to healthy controls and suggest that magnesium supplementation could improve CD management by enhancing remission rates and sleep quality. However, more rigorous, evidence-based research is necessary to define specific supplementation protocols and to fully elucidate the role of magnesium in CD pathophysiology.
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  • 文章类型: Journal Article
    接受全膝关节置换术(TKA)的患者经常由于疼痛和活动受限而出现肌肉损失。营养补充和康复可能会对肌肉功能的下降产生积极影响。
    这项研究的目的是评估乳清蛋白是否干预,除了常规的康复训练,有利于改善TKA术后患者的肌肉功能和生活质量。
    选择72例符合标准的患者进行这项随机对照研究。对于实验组,乳清蛋白被用作每日补充剂,持续12周,而对照组则给予安慰剂,两组均接受常规康复训练。需要在术前和干预后4、8和12周测量和统计分析肌肉力量和每个次要观察值。
    总共,62名受试者完成研究:实验组32名,对照组30名。两组肌肉力量均有显著改善,VAS,ROM,治疗12周后AKS和腿围。与对照组相比,实验组患者的肌肉力量显着改善,VAS,ROM,治疗12周后,AKS和腿围(分别为p=0.001,p=0.002,p=0.001,p=0.001,p=0.001)。
    乳清蛋白营养补充剂的12周干预除了有助于常规康复锻炼外,还显示TKA后患者的肌肉质量和功能显着改善。
    UNASSIGNED: Patients who underwent total knee arthroplasty (TKA) often experience muscle loss due to pain and limited mobility. Nutritional supplementation and rehabilitation may positively affect the decline in muscle function.
    UNASSIGNED: The purpose of this study is to evaluate whether whey protein intervention, in addition to conventional rehabilitation training, is beneficial in improving muscle function and quality of life in patients after TKA.
    UNASSIGNED: 72 patients who met the criteria were selected for this randomized controlled study. For the experimental group, whey protein was used as a daily supplement for 12 weeks, while the control group was given a placebo, during which both groups received conventional rehabilitation training. Muscle strength and each of the secondary observables needed to be measured and statistically analyzed preoperatively and at 4, 8, and 12 weeks post-intervention.
    UNASSIGNED: In total, 62 subjects completed the study: 32 in the experimental group and 30 in the control group. Both groups showed significant improvement in muscle strength, VAS, ROM, AKS and leg circumference after 12 weeks of treatment. Compared to the control group, patients in the experimental group showed significant improvement in muscle strength, VAS, ROM, AKS and leg circumference (p= 0.001, p= 0.002, p= 0.001, p= 0.001, p= 0.001, respectively) after 12 weeks of treatment.
    UNASSIGNED: The 12-week intervention of whey protein nutritional supplement showed significant improvement in muscle mass and function among post-TKA patients besides aiding with conventional rehabilitation exercise.
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  • 文章类型: Journal Article
    这个随机的,双盲,实验研究调查了每天锻炼前补充四周的效果(200毫克咖啡因,3.3g肌酸一水合物,3.2gβ-丙氨酸,6克瓜氨酸苹果酸,和5gBCAA)与安慰剂(等热量麦芽糊精)在厌氧(跳跃,冲刺,敏捷性,和基于运行的无氧冲刺测试:RAST)和有氧(Yo-Yo间歇恢复测试1级)性能,以及在赛季中训练有素的篮球运动员的身体成分和选择性肌肉损伤/与健康相关的血液标记。篮球运动员18名(年龄:24.4±6.3岁,身高:185.7±8.0厘米,重量:85.7±12.8kg,体脂:16.5±4.2%)被随机分为两组:锻炼前补充剂(PWS,n=10)或安慰剂(PL,n=8)。与PL相比,PWS消耗增加了有氧性能(PWS:8±6%;PL:-2±6%;p=0.004)。峰显著下降(F=7.0;p=0.017),平均值(F=10.7;p=0.005),和最小功率(F=5.1;p=0.039)补充4周后,两组。组间无其他显著变化(p>0.05)。总之,当前PWS在四个星期内的消耗似乎对赛季中训练有素的篮球运动员的有氧表现产生了积极影响。然而,它似乎并不能减轻观察到的无氧功率下降,也不影响跳跃的表现,冲刺,和敏捷性,或改变身体成分或选择性肌肉损伤/健康相关的血液标记。
    This randomized, double-blinded, experimental study investigated the effects of a four-week daily pre-workout supplementation (200 mg caffeine, 3.3 g creatine monohydrate, 3.2 g β-alanine, 6 g citrulline malate, and 5 g BCAA) vs. placebo (isocaloric maltodextrin) on anaerobic (jumping, sprinting, agility, and the running-based anaerobic sprint test: RAST) and aerobic (Yo-Yo intermittent recovery test level 1) performance, as well as on body composition and selective muscle damage/health-related blood markers in well-trained basketball players during the in-season period. Eighteen basketball players (age: 24.4 ± 6.3 years, height: 185.7 ± 8.0 cm, weight: 85.7 ± 12.8 kg, body fat: 16.5 ± 4.2%) were randomly assigned into two groups: pre-workout supplement (PWS, n = 10) or placebo (PL, n = 8). PWS consumption increased aerobic performance (PWS: 8 ± 6%; PL: -2 ± 6%; p = 0.004) compared to PL. A significant decrease was observed in peak (F = 7.0; p = 0.017), average (F = 10.7; p = 0.005), and minimum power (F = 5.1; p = 0.039) following 4 weeks of supplementation in both groups. No other significant changes were observed between groups (p > 0.05). In conclusion, the consumption of the current PWS over a four-week period appears to positively influence the aerobic performance of well-trained basketball players during the in-season period. However, it does not appear to mitigate the observed decline in anaerobic power, nor does it affect performance in jumping, sprinting, and agility, or alter body composition or selective muscle damage/health-related blood markers.
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  • 文章类型: Journal Article
    暂无摘要。
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  • 文章类型: Journal Article
    肺炎仍然是全球儿童健康不良和死亡的最常见原因。严重营养不良会增加肺炎患儿的死亡风险。虽然肺炎患儿患营养不良的风险增加,肺炎对非严重营养不良儿童死亡率和营养状况的影响没有得到很好的描述.营养补充对这一人群死亡率和营养状况的影响尚不清楚。这篇综述将整理全因死亡率的现有证据,肺炎后的营养(人体测量)结果,以及营养补充对非严重营养不良肺炎儿童死亡率和人体测量的影响。
    审查将使用根据系统审查和荟萃分析的首选报告项目(PRISMA)指南制定的先验标准进行。数据将从数据库中获得,灰色文学,和参考书目。经验丰富的图书管理员将在PUBMED中进行文章搜索,MEDLINE,EMBASE,WebofScience,谷歌学者,还有Scopus.检索到的文章将在尾注版本9.0中输入,删除重复项,并转移给Epi-reviewer进行筛选和数据抽象。将使用标准标准评估纳入的文章中的偏见风险。异质性将使用I2统计量进行评估,并进行亚组分析。将使用叙述和定量综合对数据进行分析。将使用STATA版本15.0中的DeSimonian和Laird随机效应模型进行定量合成。
    结果将提供非严重营养不良儿童肺炎死亡率和营养(人体测量)结果的基线信息,以及营养补充对这些结果的潜在影响。这将为探索营养补充改善全球重症肺炎儿童死亡率和严重急性营养不良发生率等临床结局的潜力提供基础。
    该评论已在PROSPERO(CRD42021257272;2021年7月15日)中注册。
    UNASSIGNED: Pneumonia remains the commonest cause of ill health and mortality among children worldwide. Severe undernutrition increases the mortality risk among children with pneumonia. While children with pneumonia are at increased risk of developing malnutrition, the impact of pneumonia on mortality and nutritional status of non-severely undernourished children is not well described. The impact of nutritional supplementation on mortality and nutritional status in this population is not well understood. This review will collate available evidence on the all-cause mortality and anthropometric indices outcomes following pneumonia, as well as the impact of nutritional supplementation on mortality and anthropometry among non-severely malnourished children with pneumonia.
    UNASSIGNED: The review will be done using a priori criteria developed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. Data will be obtained from data bases, grey literature, and bibliographies. An experienced librarian will conduct article search in PUBMED, MEDLINE, EMBASE, Web of Science, Google scholar, and Scopus. Retrieved articles will be entered in Endnote ver 9.0, duplicates removed, and transferred to Epi-reviewer for screening and data abstraction. Risk of bias in the included articles will be assessed using standard criteria. Heterogeneity will be assessed using I 2-statistic and sub-group analysis will be done. Data will be analysed using both narrative and quantitative synthesis. Quantitative synthesis will be done using DeSimonian and Laird Random-effects model in STATA ver 15.0.
    UNASSIGNED: The results will provide baseline information about the mortality and anthropometric outcomes of pneumonia among non-severely malnourished children as well as the potential effect of nutritional supplementation on these outcomes. This will provide a basis to explore the potential for nutritional supplementation improving clinical outcomes like mortality and occurrence of severe acute malnutrition among children with severe pneumonia worldwide.
    UNASSIGNED: The review has been registered in PROSPERO (CRD42021257272; 15 July 2021).
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  • 文章类型: Journal Article
    高血压(HTN)的患病率随着年龄的增长而增加,并且需要有效的,老年人HTN的循证治疗。这项研究的目的是进行网络荟萃分析,以评估不同形式的营养补充剂对降低老年人血压的有效性。
    使用PubMed和ClinicalKey进行了系统评价,以确定评估膳食补充剂对65岁以上成人血压影响的随机对照试验(RCT)。网络荟萃分析(NMA)用于比较和排名不同补充剂对收缩压(sBP)的影响,舒张压(dBP),和平均(mBP)血压。根据P评分对补充剂进行排名。进行meta回归以检查治疗效果是否通过基线BP和补充持续时间来调节。
    我们在文献中确定了144项相关研究,其中12个符合纳入NMA的标准。纳入的研究发表于2003年至2022年之间。在降低sBP时,二十二碳六烯酸(DHA)和二十碳五烯酸(EPA),无机硝酸盐,酸樱桃汁,补充维生素D比安慰剂更有效,酸樱桃汁的效果超过了维生素D,维生素E,维生素K2在降低DBP时,无机硝酸盐,DHA和EPA,蛋白质,白藜芦醇,补充维生素D比安慰剂更有效,白藜芦醇的效果超过酸樱桃汁,维生素D,维生素E,维生素K2然而,酸樱桃汁对sBP和白藜芦醇对dPB的影响小于安慰剂的混合作用,并且所检查的补充剂的效果之间的成对差异均无统计学意义。考虑到本分析中包含的12项研究中有7项评估的偏倚风险,在解释这些结果时需要谨慎。
    UNASSIGNED: The prevalence of hypertension (HTN) increases with age and there is a need for effective, evidence-based treatments for HTN among older adults. The objective of this study was to perform a network meta-analysis to evaluate the effectiveness of different forms of nutritional supplementation on reducing blood pressure in older adults.
    UNASSIGNED: A systematic review using PubMed and Clinical Key was performed to identify randomized controlled trials (RCTs) evaluating the effects of dietary supplements on blood pressure in adults older than 65 years of age. Network meta-analysis (NMA) was used to compare and rank the effects of different supplements on systolic (sBP), diastolic (dBP), and mean (mBP) blood pressure. Supplements were ranked according to P score. Meta-regressions were conducted to examine whether treatment effects were moderated by baseline BP and supplementation duration.
    UNASSIGNED: We identified 144 relevant studies in the literature, twelve of which met criteria for inclusion in NMA. The included studies were published between 2003 and 2022. In reducing sBP, docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), inorganic nitrates, tart cherry juice, and vitamin D supplementation were more effective than placebo, and the effect of tart cherry juice outranked that of vitamin D, vitamin E, and vitamin K2. In reducing dBP, inorganic nitrates, DHA and EPA, protein, resveratrol, and vitamin D supplementation were more effective than placebo, and the effect of resveratrol outranked that of tart cherry juice, vitamin D, vitamin E, and vitamin K2. However, the effects of tart cherry juice on sBP and resveratrol on dPB were smaller than the pooled effect of placebo, and none of the pairwise differences between the effects of examined supplements were statistically significant. Caution is needed when interpreting these results given concerns about the risk of bias assessed in seven of the twelve studies included in this analysis.
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  • 文章类型: Journal Article
    背景:在全球范围内,预计到2050年,最古老的老年人口将增加两倍。住院和营养不良可导致老年人功能进行性下降。将住院对老年人功能状态的影响降至最低,有可能维持独立性,降低医疗和社会护理成本,并在健康状态下最大化多年。本研究旨在系统地回顾文献,以确定以身体功能为目标的营养干预措施,身体成分,老年人群(≥75岁)的认知能力。
    方法:进行了系统评价,以评估营养干预对身体功能的功效,身体成分,和认知年龄≥75岁或平均年龄≥80岁的成年人。搜索PubMed(美国国立卫生研究院,国家医学图书馆),Scopus(Elsevier),EMBASE(Elsevier),护理和相关健康文献累积指数(CINAHL)全文(EBSCOhost),和PsycInfo(EBSCOhost)进行。筛选,数据提取,质量评估一式两份且独立进行(CRD420223555984;https://www.crd.约克。AC.uk/prospro/display_record.php?RecordID=355984)。
    结果:在确定的8311个引文中,排除2939个重复。从5372次引用中,189篇文章进行了全文审查,总共留下了12项研究供纳入。干预是以食物为基础的,基于蛋白质,基于碳水化合物,个性化,或使用肠外营养。10项研究监测了人体测量或身体成分的变化,其中3项显示了瘦体重的维持或改善,身体质量指数,三头肌皮褶,与对照组相比,上臂中围。六项研究监测了身体功能,但只有最大的研究发现对日常生活活动有有益的影响。三项研究中有两项显示了营养干预对认知的有益影响。
    结论:很少,高品质,75岁以上老年人的营养干预措施。尽管存在异质性,我们的研究结果表明,长期(>2周)营养干预有可能维持身体成分,物理功能,住院期间75岁及以上成年人的认知情况。
    BACKGROUND: Globally, the oldest old population is expected to triple by 2050. Hospitalization and malnutrition can result in progressive functional decline in older adults. Minimizing the impact of hospitalization on functional status in older adults has the potential to maintain independence, reduce health and social care costs, and maximize years in a healthy state. This study aimed to systematically review the literature to identify nutritional interventions that target physical function, body composition, and cognition in the older population (≥ 75 years).
    METHODS: A systematic review was conducted to evaluate the efficacy of nutritional interventions on physical function, body composition, and cognition in adults aged ≥ 75 years or mean age ≥80 years. Searches of PubMed (National Institutes of Health, National Library of Medicine), Scopus (Elsevier), EMBASE (Elsevier), Cumulative Index to Nursing and Allied Health Literature (CINAHL) with Full Text (EBSCOhost), and PsycInfo (EBSCOhost) were conducted. Screening, data extraction, and quality assessment were performed in duplicate and independently (CRD42022355984; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=355984).
    RESULTS: Of 8311 citations identified, 2939 duplicates were excluded. From 5372 citations, 189 articles underwent full-text review leaving a total of 12 studies for inclusion. Interventions were food-based, protein-based, carbohydrate-based, personalized, or used parenteral nutrition. Ten studies monitored anthropometric or body composition changes with three showing maintenance or improvements in lean mass, body mass index, triceps skinfold, and mid-upper arm circumference compared with the control group. Six studies monitored physical function but only the largest study found a beneficial effect on activities of daily living. Two of three studies showed the beneficial effects of nutritional intervention on cognition.
    CONCLUSIONS: There are few, high-quality, nutrition-based interventions in older adults ≥75 years. Despite heterogeneity, our findings suggest that large, longer-term (>2 weeks) nutritional interventions have the potential to maintain body composition, physical function, and cognition in adults aged 75 years and older during hospitalization.
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  • 文章类型: Review
    目的:肝切除术(LR)是治疗肝细胞癌和其他肝脏疾病的常用外科手术。尽管它为患者提供了潜在的治愈方法,它还与严重的术后并发症和延长的恢复期有关。近年来,术前康复(康复)已成为一种新兴的策略,以优化患者的身体,LR之前的心理和功能状态,导致改善手术和患者术后结果。因此,我们的综述旨在探索和综合现有的关于LR患者康复治疗的文献,以概述当前的证据,从而帮助指导医师管理患者.
    方法:从开始到2023年7月,在多个电子数据库中进行了全面的文献检索。搜索策略是为捕获调查康复在LR中的作用的研究而量身定制的,以及有助于术后有益结果的因素。
    康复计划包括多方面的方法,以提高手术效果和患者的福祉。这考虑了不同患者人群的具体需求,比如老年人,或者癌症缠身。提高身体素质,营养补充和心理支持是康复的共同原则。在身体康复中,患者经常通过自行车测力计进行密集的体育锻炼。通过补充剂和饮食干预来解决营养不足也至关重要。心理社会评估,提前护理计划,音乐疗法,和渐进式放松练习被证明可以增强患者的韧性和幸福感。此外,创新方法,如优化流体平衡,避免硬膜外镇痛,围手术期类固醇给药,磷酸盐校正和支链氨基酸补充正在探索中。
    结论:术前康复对于优化患者的LR前治疗是重要的,并且是改善术后预后的关键。有几种康复策略,但在患者选择和理想计划方面尚无正式共识。
    OBJECTIVE: Liver resection (LR) is a commonly performed surgical procedure for the management of hepatocellular carcinoma and other liver conditions. Despite its benefits in providing patients a potential cure, it is also associated with significant postoperative complications and prolonged recovery periods. In recent years, pre-operative rehabilitation (prehabilitation) has emerged as an up-and-coming strategy to optimize patients\' physical, psychological and functional status before LR, leading to improved surgical and patient postoperative outcomes. Hence, our review aims to explore and synthesize the existing literature on prehabilitation in LR to provide an overview of the current evidence to help guide physicians in managing their patients.
    METHODS: A comprehensive literature search was conducted in multiple electronic databases from inception to July 2023. The search strategy was tailored to capture studies investigating the role of prehabilitation in LR, and the factors that contribute to beneficial outcomes in the postoperative period.
    UNASSIGNED: Prehabilitation programs encompass a multifaceted approach to enhance surgical outcomes and patient well-being. This considers the specific needs of the varying patient populations, such as the elderly, or the cancer ridden. Improving physical fitness, nutritional supplementation and psychological support are the common tenets of prehabilitation. In physical prehabilitation, patients are engaged in intensive physical exercise often by means of a cycle ergometer. Addressing nutritional deficiencies through supplements and dietary interventions is also vital. Psychosocial assessments, advance care planning, music therapy, and progressive relaxation exercises are shown to enhance patient resilience and well-being. In addition, innovative approaches such as optimizing fluid balance, avoiding epidural analgesia, perioperative steroid administration, phosphate correction and branched-chain amino acid supplementation are being explored.
    CONCLUSIONS: Prehabilitation is important in optimizing patients before LR and is key in improving postoperative outcomes. Several prehabilitation strategies exist, but no formal consensus exists on patient selection and an ideal program.
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  • 文章类型: Journal Article
    背景:孕前和整个怀孕期间的营养干预已被提出作为促进后代健康出生后体重增加的方法,但很少有随机试验对此进行研究。
    方法:在从出生到2岁的多个时间点,对576名妇女的后代进行了体重和身长的测量,这些妇女随机接受了孕前和产前含有肌醇的补充剂,益生菌,和额外的微量营养素(干预)或标准微量营养素补充剂(对照)。我们检查了2年时对年龄和性别标准化BMI的影响(世卫组织标准,调整研究地点,性别,产妇平价,吸烟和孕前BMI,和胎龄),随着体重的变化,长度,出生时的BMI,和使用潜在类增长分析的体重增加轨迹。
    结果:在2年,干预后代的平均BMI有降低的趋势(调整后的平均差[aMD]-0.14SD[95%CI0.30,0.02],p=0.09),BMI>95百分位数(即>1.65标准差,9.2%vs18.0%,调整后风险比[ARR]0.51[95%CI0.31,0.82],p=0.006)。纵向数据显示,干预后代在生命的第一年体重快速增加>0.67SD的风险降低了24%(21.9%vs31.1%,RR0.76[95%CI0.58,1.00],p=0.047)。在生命的前2年中,持续体重增加>1.34SD的风险同样降低(7.7%vs17.1%,RR0.55[95%CI0.34,0.88],p=0.014)。从确定的五个体重增加轨迹中,从出生到2年,以0SD左右的稳定体重SDS为特征的“正常”体重增加轨迹中有更多的干预后代(38.8%vs30.1%,RR1.29[95%CI1.03,1.62],p=0.029)。
    结论:补充肌醇,益生菌,和额外的微量营养素在孕前和怀孕期间降低了后代2年体重快速增加和肥胖的发生率。以前的报告表明,这些影响可能会转化为健康益处,但需要更长期的随访来评估这一点.
    背景:ClinicalTrials.gov,NCT02509988(通用试验编号U1111-1171-8056)。2015年7月16日注册
    Nutritional intervention preconception and throughout pregnancy has been proposed as an approach to promoting healthy postnatal weight gain in the offspring but few randomised trials have examined this.
    Measurements of weight and length were obtained at multiple time points from birth to 2 years among 576 offspring of women randomised to receive preconception and antenatally either a supplement containing myo-inositol, probiotics, and additional micronutrients (intervention) or a standard micronutrient supplement (control). We examined the influence on age- and sex-standardised BMI at 2 years (WHO standards, adjusting for study site, sex, maternal parity, smoking and pre-pregnancy BMI, and gestational age), together with the change in weight, length, BMI from birth, and weight gain trajectories using latent class growth analysis.
    At 2 years, there was a trend towards lower mean BMI among intervention offspring (adjusted mean difference [aMD] - 0.14 SD [95% CI 0.30, 0.02], p = 0.09), and fewer had a BMI > 95th percentile (i.e. > 1.65 SD, 9.2% vs 18.0%, adjusted risk ratio [aRR] 0.51 [95% CI 0.31, 0.82], p = 0.006). Longitudinal data revealed that intervention offspring had a 24% reduced risk of experiencing rapid weight gain > 0.67 SD in the first year of life (21.9% vs 31.1%, aRR 0.76 [95% CI 0.58, 1.00], p = 0.047). The risk was likewise decreased for sustained weight gain > 1.34 SD in the first 2 years of life (7.7% vs 17.1%, aRR 0.55 [95% CI 0.34, 0.88], p = 0.014). From five weight gain trajectories identified, there were more intervention offspring in the \"normal\" weight gain trajectory characterised by stable weight SDS around 0 SD from birth to 2 years (38.8% vs 30.1%, RR 1.29 [95% CI 1.03, 1.62], p = 0.029).
    Supplementation with myo-inositol, probiotics, and additional micronutrients preconception and in pregnancy reduced the incidence of rapid weight gain and obesity at 2 years among offspring. Previous reports suggest these effects will likely translate to health benefits, but longer-term follow-up is needed to evaluate this.
    ClinicalTrials.gov, NCT02509988 (Universal Trial Number U1111-1171-8056). Registered on 16 July 2015.
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  • 文章类型: Journal Article
    本研究的目的是研究咖啡因或槲皮素摄入对抵抗运动前后运动单位放电模式和肌肉收缩特性的急性影响。在摄入咖啡因之前(PRE)和之后(POST1)60分钟测量亚最大收缩期间的高密度表面肌电图(HDs-EMG)和膝关节伸肌的电引起的扭矩,槲皮素苷,或安慰剂,10名年轻男性进行抵抗运动(POST2)后。卷积核补偿技术用于识别记录的HDs-EMG的股外侧肌的各个运动单位。与安慰剂相比,摄入咖啡因或槲皮素可导致从PRE到POST1的募集阈值(RTs)显着降低(安慰剂:94.8±9.7%,咖啡因:84.5±16.2%,槲皮素:91.9±36.7%),咖啡因(rs=-0.448,p<0.001)和槲皮素(rs=-0.415,p=0.003)的RTs(POST1-PRE)和PRE时的RT变化之间存在显着负相关,但不是安慰剂(rs=-0.109,p=0.440)。安慰剂(rs=0.380,p=0.005)和槲皮素(rs=0.382,p=0.007)在PRE时观察到放电率(POST2-POST1)和RT之间的显着正相关,但不是咖啡因(rs=0.069,p=0.606)。在这三种情况下,电引起的扭矩没有显着差异。这些结果表明,咖啡因或槲皮素的摄入会在男性以不同的阈值依赖性方式进行抵抗运动后改变运动单位的射击模式。
    The aim of the present study was to investigate the acute effect of caffeine or quercetin ingestion on motor unit firing patterns and muscle contractile properties before and after resistance exercise. High-density surface electromyography (HDs-EMG) during submaximal contractions and electrically elicited torque in knee extensor muscles were measured before (PRE) and 60 min after (POST1) ingestion of caffeine, quercetin glycosides, or placebo, and after resistance exercise (POST2) in ten young males. The Convolution Kernel Compensation technique was used to identify individual motor units of the vastus lateralis muscle for the recorded HDs-EMG. Ingestion of caffeine or quercetin induced significantly greater decreases in recruitment thresholds (RTs) from PRE to POST1 compared with placebo (placebo: 94.8 ± 9.7%, caffeine: 84.5 ± 16.2%, quercetin: 91.9 ± 36.7%), and there were significant negative correlations between the change in RTs (POST1-PRE) and RT at PRE for caffeine (rs = - 0.448, p < 0.001) and quercetin (rs =  - 0.415, p = 0.003), but not placebo (rs =  - 0.109, p = 0.440). Significant positive correlations between the change in firing rates (POST2-POST1) and RT at PRE were noted with placebo (rs = 0.380, p = 0.005) and quercetin (rs = 0.382, p = 0.007), but not caffeine (rs = 0.069, p = 0.606). No significant differences were observed in electrically elicited torque among the three conditions. These results suggest that caffeine or quercetin ingestion alters motor unit firing patterns after resistance exercise in different threshold-dependent manners in males.
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