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A Straightforward Approach to Analyze Skeletal Muscle MRI in Limb-Girdle Muscular Dystrophy for Differential Diagnosis: A Systematic Review 一个简单的方法来分析骨骼肌MRI在四肢带状肌萎缩症的鉴别诊断:一个系统的回顾
Q4 ORTHOPEDICS Pub Date : 2023-11-08 DOI: 10.3390/muscles2040029
Ryo Morishima, Benedikt Schoser
Skeletal muscle MRI studies in limb-girdle muscular dystrophy (LGMD) have increased over the past decades, improving the utility of MRI as a differential diagnostic tool. Nevertheless, the relative rarity of individual genotypes limits the scope of what each study can address, making it challenging to obtain a comprehensive overview of the MRI image of this splintered group. Furthermore, MRI studies have varied in their methods for assessing fat infiltration, which is essential in skeletal muscle MRI evaluation. It stayed problematic and impeded attempts to integrate multiple studies to cover the core MRI features of a distinct LGMD. In this study, we conducted a systematic review of LGMD in adults published until April 2023; 935 references were screened in PubMed and EMBASE, searches of the gray literature, and additional records were added during the screening process. Finally, 39 studies were included in our final analysis. We attempted to quantitatively synthesize the MRI data sets from the 39 individual studies. Finally, we illustrated ideal and simple MRI muscle involvement patterns of six representative LGMD genotypes. Our summary synthesis reveals a distinct distribution pattern of affected muscles by LGMD genotypes, which may be helpful for a quick first-tier differential diagnosis guiding genetic diagnostics.
在过去的几十年里,骨骼肌MRI对四肢带状肌营养不良(LGMD)的研究有所增加,提高了MRI作为鉴别诊断工具的实用性。然而,个体基因型的相对罕见性限制了每个研究可以解决的范围,使得获得这一分裂群体的MRI图像的全面概述具有挑战性。此外,MRI研究在评估脂肪浸润的方法上有所不同,这在骨骼肌MRI评估中是必不可少的。它仍然存在问题,阻碍了整合多种研究以涵盖不同LGMD的核心MRI特征的尝试。在这项研究中,我们对2023年4月发表的成人LGMD进行了系统回顾;在PubMed和EMBASE中筛选935篇文献,搜索灰色文献,并在筛选过程中添加额外的记录。最终,39项研究被纳入我们的最终分析。我们试图定量地综合39个单独研究的MRI数据集。最后,我们展示了六种典型LGMD基因型的理想和简单的MRI肌肉受累模式。我们的综合总结揭示了LGMD基因型在受影响肌肉中的独特分布模式,这可能有助于指导遗传诊断的快速一线鉴别诊断。
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引用次数: 0
Efficacy of Electromyographic Biofeedback in the Recovery of the Vastus Lateralis after Knee Injury: A Single-Group Case Study 肌电生物反馈在膝关节损伤后股外侧肌恢复中的疗效:单组病例研究
Q4 ORTHOPEDICS Pub Date : 2023-11-07 DOI: 10.3390/muscles2040028
Verónica Morales-Sánchez, Rafael E. Reigal, Raul Antunes, Rui Matos, Antonio Hernández-Mendo, Diogo Monteiro
Electromyographic biofeedback (EMG-BF) is a technique that can contribute to the improvement of muscle tone and control in the rehabilitation process after injury. The aim of this research was to determine the effectiveness of EMG-BF in increasing the electromyographic activity of the vastus lateralis after knee injury. The sample consisted of four individuals who had undergone surgery or rehabilitation to resolve either a partial meniscal tear or a patellar tendon strain. The intervention consisted of a program of ten sessions of EMG-BF work. Twelve trials were performed in each session, in which participants were instructed to target the muscle tension produced by the vastus lateralis of the uninjured hemilateral limb. Of the twelve trials in each session, the first three and the last three were performed without feedback, and the intermediate six with feedback. The recording of muscle activity was performed using CY-351/2 Mioback equipment, which allowed the amplitude of the electromyographic signal to be evaluated. The results indicated that the sample analyzed reached greater amplitude during the biofeedback trials, both for the maximum (Z = −13.43, p < 0.001, Cohen’s d = 0.64, 95% CI (0.27, 1.01)) and mean (Z = −7.26, p < 0.001, Cohen’s d = 0.24, 95% CI (−0.12, 0.60)) values. The amplitude also increased throughout the ten sessions, both for the maximum (Z = −3.06, p < 0.01, Cohen’s d = 1.37, 95% CI (0.29, 2.45)) and mean (Z = −3.06, p < 0.01, Cohen’s d = 1.20, 95% CI (0.34, 2.08)) values. Thus, the results highlight the efficacy of this technique in improving muscle activity, suggesting that it is a useful therapeutic procedure in injury recovery.
肌电生物反馈(Electromyographic biofeedback, EMG-BF)是一种在损伤后康复过程中有助于改善肌肉张力和控制的技术。本研究的目的是确定肌电- bf在膝关节损伤后增加股外侧肌电活动的有效性。样本包括四名接受手术或康复治疗的个体,以解决部分半月板撕裂或髌骨肌腱拉伤。干预包括一个10次肌电- bf工作的程序。每次进行12次试验,参与者被指示以未受伤的半侧肢体的股外侧肌产生的肌肉张力为目标。在每个阶段的12项试验中,前3项和后3项没有反馈,中间6项有反馈。使用CY-351/2 Mioback设备记录肌肉活动,该设备允许评估肌电信号的振幅。结果表明,在生物反馈试验中,所分析的样品达到更大的振幅,两者都达到最大值(Z = - 13.43, p <0.001, Cohen’s d = 0.64, 95% CI(0.27, 1.01))和mean (Z = - 7.26, p <0.001, Cohen’s d = 0.24, 95% CI(- 0.12, 0.60))值。振幅在10个疗程中也有所增加,均为最大值(Z = - 3.06, p <0.01, Cohen’s d = 1.37, 95% CI(0.29, 2.45))和mean (Z = - 3.06, p <0.01, Cohen’s d = 1.20, 95% CI(0.34, 2.08))值。因此,结果强调了这种技术在改善肌肉活动方面的功效,表明它是一种有用的损伤恢复治疗方法。
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引用次数: 0
The Correlation between Core Muscular Endurance, Body Composition, and Back Pain in Firefighters: An Observational Study 核心肌肉耐力、身体成分和消防员背部疼痛之间的相关性:一项观察性研究
Q4 ORTHOPEDICS Pub Date : 2023-10-24 DOI: 10.3390/muscles2040027
Shelby Sanregret, Austin Alan Kohler, Andrew Ray Moore, Angelia Maleah Holland-Winkler
Firefighters are at a higher risk for experiencing back pain due to the nature of their job, but physical fitness may help to reduce this risk. Therefore, the primary purpose of this study was to determine if a correlation between subjective back pain severity and core muscular endurance exists in firefighters. A secondary purpose was to determine if age or body composition were correlated with back pain severity. This cross-sectional study was performed at a fire department during their Physical Fitness Assessment Program and included 72 male firefighters. Measures included weight, body fat percentage, maximal plank hold times for core muscular endurance, and the Oswestry Low Back Pain Disability Questionnaire. A Pearson product correlation analysis was performed between back pain score and each of the following variables: body fat percentage, BMI, age, and plank hold times. A second set of correlation coefficient analyses was performed between the same variables exclusively in subjects who reported back pain. This study found that, within this population of firefighters, there was no significant correlation between back pain and plank times or body composition variables, although there was a trend toward significant correlations between BMI and body fat percentage when only subjects with back pain were considered.
由于消防员的工作性质,他们患背痛的风险更高,但身体健康可能有助于降低这种风险。因此,本研究的主要目的是确定消防员主观背痛严重程度与核心肌肉耐力之间是否存在相关性。第二个目的是确定年龄或身体组成是否与背痛严重程度相关。这项横断面研究是在一个消防部门的体能评估项目中进行的,包括72名男性消防员。测量包括体重、体脂率、最大支撑平板支撑时间(核心肌肉耐力)和Oswestry腰痛残疾问卷。对背痛评分与以下变量进行Pearson乘积相关分析:体脂率、BMI、年龄和平板支撑时间。第二组相关系数分析仅在报告背痛的受试者中进行相同变量之间的相关系数分析。这项研究发现,在消防员人群中,背部疼痛与平板支撑次数或身体组成变量之间没有显著相关性,尽管当只考虑背部疼痛的受试者时,BMI和体脂率之间存在显著相关性的趋势。
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引用次数: 0
Advances and Prospects in Understanding Vertebrate Cardiac Conduction System, Pacemaker Cell, and Cardiac Muscle Development: Toward Novel Biological Therapies 了解脊椎动物心脏传导系统、起搏器细胞和心肌发育的进展与展望:迈向新的生物疗法
Q4 ORTHOPEDICS Pub Date : 2023-10-12 DOI: 10.3390/muscles2040026
Ridwan Opeyemi Bello, Shannon Frew, Yusra Siddiqui, Rashid Minhas
The heart is composed of muscle cells called cardiomyocytes, including a specialized population named pacemaker cells that form the cardiac conduction system (CCS), which is responsible for generating the action potential dictating heart contractions. Failure of the CCS system leads to cardiac arrhythmias, which require complicated therapies and often the surgical implantation of electrical pacemakers. However, recent research has focused on the development of novel therapies using biological pacemakers that aim to substitute electrical devices. While most signaling pathways and transcription factors involved in the development of the pacemaker cells are known, the upstream regulatory networks need to be predicted through computer-based databases, mathematical modeling, as well as the functional testing of the regulatory elements in vivo, indicating the need for further research. Here, we summarize the current knowledge about the vertebrate myocardial CCS system and the development of the pacemaker cells, as well as emphasize the areas of future research to clarify the regulation of muscle pacemaker cells and the ease of development of biological therapies.
心脏由称为心肌细胞的肌肉细胞组成,其中包括一种称为起搏器细胞的特殊细胞群,它形成心脏传导系统(CCS),负责产生指示心脏收缩的动作电位。CCS系统的故障导致心律失常,这需要复杂的治疗,通常需要手术植入电子起搏器。然而,最近的研究集中在使用生物起搏器来替代电子设备的新疗法的开发上。虽然大多数参与起搏器细胞发育的信号通路和转录因子是已知的,但上游调控网络需要通过基于计算机的数据库、数学建模以及体内调控元件的功能测试来预测,这表明需要进一步的研究。本文总结了目前脊椎动物心肌CCS系统和起搏器细胞的研究进展,并强调了未来研究的领域,以阐明肌肉起搏器细胞的调控和促进生物疗法的发展。
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引用次数: 0
Discrepancy of Beta-Hydroxybutyrate Measurements between a Blood Meter and GC-MS Methods in Healthy Humans 健康人血液计与气相色谱-质谱法测定β -羟基丁酸的差异
Q4 ORTHOPEDICS Pub Date : 2023-09-27 DOI: 10.3390/muscles2040025
Angelia Maleah Holland-Winkler, Andrew R. Moore, Jenna K. Ansley, Noah A. Fritz, Ilya Bederman
Ketone salt (KS) supplementation induces temporary nutritional ketosis to achieve potential exercise performance and health benefits. Racemic KS includes both D/L isomers of β-hydroxybutyrate, yet commercially available measurement devices (i.e., blood meters) only measure the D variant. The aim of this study was to investigate the efficacy of a blood meter to measure serum β-hydroxybutyrate in comparison with gas chromatography–mass spectrometry (GC-MS) before and 30 min after consuming a placebo or racemic KS. In this triple-blinded cross-over study, 16 healthy adults were administered either a placebo or KS drink, and the circulating β-hydroxybutyrate concentration was measured at baseline (PRE) and 30 min following consumption (POST) using a blood ketone meter and by GC-MS. Compared to the placebo, both GC-MS and the blood meter obtained significantly greater β-hydroxybutyrate levels from PRE to POST time-points after consuming KS. Additionally, GC-MS results showed significantly higher levels of β-hydroxybutyrate with both the placebo and KS at PRE and POST time-points, as compared to the blood meter. These results indicate that (1) even in the absence of KS, the blood meter yields significantly lower β-hydroxybutyrate values than GC-MS, and (2) the inability of the blood meter to measure L-β-hydroxybutyrate values POST KS warrants the further development of publicly available ketone measurement apparatuses.
酮盐(KS)补充诱导暂时的营养性酮症,以实现潜在的运动表现和健康益处。外消旋KS包括β-羟基丁酸酯的D/L异构体,但商业上可用的测量设备(即血液计)只能测量D变体。本研究的目的是研究血仪在服用安慰剂或消旋KS前和服用后30分钟测量血清β-羟基丁酸的效果,并与气相色谱-质谱法(GC-MS)进行比较。在这项三盲交叉研究中,16名健康成年人被给予安慰剂或KS饮料,并在基线(PRE)和消费后30分钟(POST)使用血酮仪和气相色谱-质谱法测量循环β-羟基丁酸浓度。与安慰剂相比,服用KS后,从PRE到POST时间点,GC-MS和血压计的β-羟基丁酸水平均显著提高。此外,GC-MS结果显示,与血液计相比,安慰剂组和KS组在术前和术后时间点的β-羟基丁酸水平明显更高。这些结果表明:(1)即使在没有KS的情况下,血液计的β-羟基丁酸值也明显低于GC-MS,(2)血液计无法测量L-β-羟基丁酸值,因此需要进一步开发公开可用的酮类测量仪器。
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引用次数: 0
Loop Diuretics and Sarcopenia: A Potential Association 袢利尿剂和肌肉减少症:潜在的关联
Q4 ORTHOPEDICS Pub Date : 2023-09-22 DOI: 10.3390/muscles2040024
Nikolaos D. Karakousis, Petros N. Georgakopoulos
Background: Loop diuretics (LDs) are used to treat various health conditions including heart failure (HF), liver cirrhosis, and chronic kidney disease (CKD). Sarcopenia is a skeletal muscle health issue related to the depletion and decrease of muscle mass and strength, leading to adverse outcomes including frailty syndrome, functional decline, falls, hospitalizations, augmented length of hospital stay, and increased morbidity and mortality. Methods: This study investigated the probable association between LD use and sarcopenia via conducting a non-systematic review of the existing literature. Results: In subjects with non-dialysis-dependent chronic kidney disease (NDD-CKD), an augmented risk of sarcopenia is significantly associated with LD use. Interestingly, in patients with HF treated with LDs, thigh and arm circumferences were significantly small, which is indicative of skeletal muscle wasting. Additionally, in anorexic subjects who are more likely to be on diuretic medication, suffering also from cachexia, a higher prevalence of sarcopenia was demonstrated. In cirrhotic subjects, the treatment dosage of LDs was inversely correlated with the skeletal muscle area per year (ΔSMA). Nevertheless, in subjects with liver cirrhosis treated with LDs, who were divided into those with and those without muscle cramps, the presence of sarcopenia was similar. Conclusions: Further investigation is imperative to validate potential interplay between LDs and sarcopenia.
背景:循环利尿剂(LDs)用于治疗各种健康状况,包括心力衰竭(HF)、肝硬化和慢性肾脏疾病(CKD)。骨骼肌减少症是一种骨骼肌健康问题,与肌肉质量和力量的消耗和减少有关,导致不良后果,包括虚弱综合征、功能下降、跌倒、住院、住院时间延长以及发病率和死亡率增加。方法:本研究通过对现有文献进行非系统回顾,调查LD使用与肌肉减少症之间的可能关联。结果:在非透析依赖性慢性肾脏疾病(NDD-CKD)患者中,肌少症的风险增加与LD的使用显著相关。有趣的是,在接受ld治疗的HF患者中,大腿和手臂的周长明显变小,这表明骨骼肌萎缩。此外,厌食症患者更有可能服用利尿剂,同时患有恶病质,骨骼肌减少症的患病率更高。在肝硬化患者中,ld的治疗剂量与每年骨骼肌面积呈负相关(ΔSMA)。然而,在接受LDs治疗的肝硬化患者中,他们被分为有肌肉痉挛和没有肌肉痉挛的两组,肌肉减少症的存在是相似的。结论:需要进一步的研究来验证ld和肌肉减少症之间潜在的相互作用。
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引用次数: 0
Degradative Signaling in ATG7-Deficient Skeletal Muscle Following Cardiotoxin Injury 心脏毒素损伤后atg7缺陷骨骼肌中的降解信号
Q4 ORTHOPEDICS Pub Date : 2023-09-15 DOI: 10.3390/muscles2030023
Fasih Ahmad Rahman, Troy Campbell, Darin Bloemberg, Sarah Chapman, Joe Quadrilatero
Skeletal muscle is a complex tissue comprising multinucleated and post-mitotic cells (i.e., myofibers). Given this, skeletal muscle must maintain a fine balance between growth and degradative signals. A major system regulating the remodeling of skeletal muscle is autophagy, where cellular quality control is mediated by the degradation of damaged cellular components. The accumulation of damaged cellular material can result in elevated apoptotic signaling, which is particularly relevant in skeletal muscle given its post-mitotic nature. Luckily, skeletal muscle possesses the unique ability to regenerate in response to injury. It is unknown whether a relationship between autophagy and apoptotic signaling exists in injured skeletal muscle and how autophagy deficiency influences myofiber apoptosis and regeneration. In the present study, we demonstrate that an initial inducible muscle-specific autophagy deficiency does not alter apoptotic signaling following cardiotoxin injury. This finding is presumably due to the re-establishment of ATG7 levels following injury, which may be attributed to the contribution of a functional Atg7 gene from satellite cells. Furthermore, the re-expression of ATG7 resulted in virtually identical regenerative potential. Overall, our data demonstrate that catastrophic injury may “reset” muscle gene expression via the incorporation of nuclei from satellite cells.
骨骼肌是由多核细胞和有丝分裂后细胞(即肌纤维)组成的复杂组织。鉴于此,骨骼肌必须在生长和退化信号之间保持良好的平衡。调节骨骼肌重塑的一个主要系统是自噬,其中细胞质量控制是由受损细胞成分的降解介导的。受损细胞物质的积累可导致凋亡信号的升高,鉴于其有丝分裂后的性质,这在骨骼肌中尤其相关。幸运的是,骨骼肌拥有独特的能力,可以在受伤后再生。损伤骨骼肌中是否存在自噬与凋亡信号之间的关系以及自噬缺乏如何影响肌纤维凋亡和再生尚不清楚。在目前的研究中,我们证明了初始诱导的肌肉特异性自噬缺陷不会改变心脏毒素损伤后的凋亡信号。这一发现可能是由于损伤后ATG7水平的重建,这可能归因于来自卫星细胞的功能性ATG7基因的贡献。此外,ATG7的重新表达产生了几乎相同的再生潜能。总的来说,我们的数据表明,灾难性损伤可能通过卫星细胞的细胞核结合来“重置”肌肉基因表达。
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引用次数: 0
Quality and Reliability of Trigger Finger YouTube Videos 触发手指YouTube视频的质量和可靠性
Q4 ORTHOPEDICS Pub Date : 2023-09-01 DOI: 10.32098/mltj.03.2023.16
K. Uzel, M.K. Yilmaz, M. A. Çaçan, M. Artuc
{"title":"Quality and Reliability of Trigger Finger YouTube Videos","authors":"K. Uzel, M.K. Yilmaz, M. A. Çaçan, M. Artuc","doi":"10.32098/mltj.03.2023.16","DOIUrl":"https://doi.org/10.32098/mltj.03.2023.16","url":null,"abstract":"","PeriodicalId":46318,"journal":{"name":"MLTJ-Muscles Ligaments and Tendons Journal","volume":"46 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85451988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Monitoring of the Board of Statutory Auditors in the Management of the Italian Hospitals 法定审计员委员会在意大利医院管理中的监测作用
Q4 ORTHOPEDICS Pub Date : 2023-09-01 DOI: 10.32098/mltj.03.2023.07
F. Migliorini, A. Migliorini
{"title":"The Role of Monitoring of the Board of Statutory Auditors in the Management of the Italian Hospitals","authors":"F. Migliorini, A. Migliorini","doi":"10.32098/mltj.03.2023.07","DOIUrl":"https://doi.org/10.32098/mltj.03.2023.07","url":null,"abstract":"","PeriodicalId":46318,"journal":{"name":"MLTJ-Muscles Ligaments and Tendons Journal","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82022693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cross-Cultural Adaptation and Validation of the Italian Version of the Spine Functional Index 意大利语版脊柱功能索引的跨文化适应与验证
Q4 ORTHOPEDICS Pub Date : 2023-09-01 DOI: 10.32098/mltj.03.2023.05
L. Pannuti, A. Marsocci, F. Curti, G. Maggi, B. Petrone, A. Peretti, E. Ruberti, F. Magnifica
{"title":"Cross-Cultural Adaptation and Validation of the Italian Version of the Spine Functional Index","authors":"L. Pannuti, A. Marsocci, F. Curti, G. Maggi, B. Petrone, A. Peretti, E. Ruberti, F. Magnifica","doi":"10.32098/mltj.03.2023.05","DOIUrl":"https://doi.org/10.32098/mltj.03.2023.05","url":null,"abstract":"","PeriodicalId":46318,"journal":{"name":"MLTJ-Muscles Ligaments and Tendons Journal","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136309905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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MLTJ-Muscles Ligaments and Tendons Journal
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