目的探讨2型糖尿病(T2DM)患者骨骼肌质量指数(SMI)与发生非创伤性肩袖损伤(RCT)的关系。方法回顾性分析2020年6月至2022年12月于晋中市第三人民医院内分泌及骨科住院的180例T2DM患者的临床资料,按照磁共振检查结果及病史分为T2DM合并非...目的探讨2型糖尿病(T2DM)患者骨骼肌质量指数(SMI)与发生非创伤性肩袖损伤(RCT)的关系。方法回顾性分析2020年6月至2022年12月于晋中市第三人民医院内分泌及骨科住院的180例T2DM患者的临床资料,按照磁共振检查结果及病史分为T2DM合并非创伤性RCT组(T2DM+RCT组,n=80)与T2DM未合并肩袖损伤组(T2DM+non-RCT组,n=100)。比较两组患者一般资料、体脂率、骨骼肌质量、糖尿病病程、糖化血红蛋白(HbA1c)等的差异。使用二元logistic回归分析T2DM患者发生非创伤性RCT的危险因素。绘制受试者工作特征(ROC)曲线分析各因素对T2DM患者发生非创伤性RCT的预测价值。结果T2DM+RCT组女性患者比例、体重、身体质量指数(BMI)、糖尿病病程、体脂率及HbA1c水平均高于T2DM+non-RCT组(P<0.05);SMI低于T2DM+non-RCT组[6.10(5.50,7.18)kg/m^(2) vs 5.40(4.50,6.10)kg/m^(2),Z=4.443,P<0.01]。二元logistic回归分析显示,SMI、BMI、糖尿病病程及HbA1c水平是RCT的影响因素(P<0.05)。ROC曲线显示,SMI诊断T2DM患者合并RCT的最佳截断值为5.15 kg/m^(2),灵敏度为48.80%,特异度为82.00%,AUC=0.693(95%CI:0.614~0.771)。SMI、BMI、糖尿病病程及HbA1c四者联合诊断价值最高,灵敏度为81.30%,特异度为91.00%,AUC=0.926(95%CI:0.885~0.966)。结论T2DM患者非创伤性RCT的发生与SMI存在相关性,对非创伤性RCT形成有一定预测价值。展开更多
采用文献资料法,在PubMed、Web of Science、Scopus、Taylor&Francis数据库中对相关研究进行检索,主要汇总、分析有关骑行中肌肉激活和协同的研究文献。结果发现:肌肉的募集模式和协同激活影响到全身的代谢功率、曲柄上的输出功率...采用文献资料法,在PubMed、Web of Science、Scopus、Taylor&Francis数据库中对相关研究进行检索,主要汇总、分析有关骑行中肌肉激活和协同的研究文献。结果发现:肌肉的募集模式和协同激活影响到全身的代谢功率、曲柄上的输出功率以及骑行的总效率;下肢肌肉的激活在蹬踏过程中普遍存在双边不对称现象;一个完整蹬踏周期内不同阶段的下肢肌肉激活水平有差异,曲柄角度、地形、姿势、蹬踏频率也会对肌肉的募集产生影响;膝关节疼痛、肩颈酸痛、腰背疼痛等与肌肉异常工作有关的非创伤性损伤在骑行者身上频发。后续的研究可以着力于探究通过调整设置更匹配个体参数自的行车设定去改善非创伤性损伤中肌肉因素。展开更多
Concussion,or mild traumatic brain injury,incidence rates have reached epidemic levels and impaired postural control is a cardinal symptom.The purpose of this review is to provide an overview of the linear and non-lin...Concussion,or mild traumatic brain injury,incidence rates have reached epidemic levels and impaired postural control is a cardinal symptom.The purpose of this review is to provide an overview of the linear and non-linear assessments of post-concussion postural control.The current acute evaluation for concussion utilizes the subjective balance error scoring system(BESS) to assess postural control.While the sensitivity of the overall test battery is high,the sensitivity of the BESS is unacceptably low and,with repeat administration,is unable to accurately identify recovery.Sophisticated measures of postural control,utilizing traditional linear assessments,have identified impairments in postural control well beyond BESS recovery.Both assessments of quiet stance and gait have identified lingering impairments for at least 1 month post-concussion.Recently,the application of non-linear metrics to concussion recovery have begun to receive limited attention with the most commonly utilized metric being approximate entropy(Ap En).Ap En,most commonly in the medial-lateral plane,has successfully identified impaired postural control in the acute post-concussion timeframe even when linear assessments of instrumented measures are equivalent to healthy pre-injury values;unfortunately these studies have not gone beyond the acute phase of recovery.One study has identified lingering deficits in postural control,utilizing Shannon and Renyi entropy metrics,which persist at least through clinical recovery and return to participation.Finally,limited evidence from two studies suggest that individuals with a previous history of a single concussion,even months or years prior,may display altered Ap En metrics.Overall,non-linear metrics provide a fertile area for future study to further the understanding of postural control impairments acutely post-concussion and address the current challenge of sensitive identification of recovery.展开更多
文摘目的探讨2型糖尿病(T2DM)患者骨骼肌质量指数(SMI)与发生非创伤性肩袖损伤(RCT)的关系。方法回顾性分析2020年6月至2022年12月于晋中市第三人民医院内分泌及骨科住院的180例T2DM患者的临床资料,按照磁共振检查结果及病史分为T2DM合并非创伤性RCT组(T2DM+RCT组,n=80)与T2DM未合并肩袖损伤组(T2DM+non-RCT组,n=100)。比较两组患者一般资料、体脂率、骨骼肌质量、糖尿病病程、糖化血红蛋白(HbA1c)等的差异。使用二元logistic回归分析T2DM患者发生非创伤性RCT的危险因素。绘制受试者工作特征(ROC)曲线分析各因素对T2DM患者发生非创伤性RCT的预测价值。结果T2DM+RCT组女性患者比例、体重、身体质量指数(BMI)、糖尿病病程、体脂率及HbA1c水平均高于T2DM+non-RCT组(P<0.05);SMI低于T2DM+non-RCT组[6.10(5.50,7.18)kg/m^(2) vs 5.40(4.50,6.10)kg/m^(2),Z=4.443,P<0.01]。二元logistic回归分析显示,SMI、BMI、糖尿病病程及HbA1c水平是RCT的影响因素(P<0.05)。ROC曲线显示,SMI诊断T2DM患者合并RCT的最佳截断值为5.15 kg/m^(2),灵敏度为48.80%,特异度为82.00%,AUC=0.693(95%CI:0.614~0.771)。SMI、BMI、糖尿病病程及HbA1c四者联合诊断价值最高,灵敏度为81.30%,特异度为91.00%,AUC=0.926(95%CI:0.885~0.966)。结论T2DM患者非创伤性RCT的发生与SMI存在相关性,对非创伤性RCT形成有一定预测价值。
文摘采用文献资料法,在PubMed、Web of Science、Scopus、Taylor&Francis数据库中对相关研究进行检索,主要汇总、分析有关骑行中肌肉激活和协同的研究文献。结果发现:肌肉的募集模式和协同激活影响到全身的代谢功率、曲柄上的输出功率以及骑行的总效率;下肢肌肉的激活在蹬踏过程中普遍存在双边不对称现象;一个完整蹬踏周期内不同阶段的下肢肌肉激活水平有差异,曲柄角度、地形、姿势、蹬踏频率也会对肌肉的募集产生影响;膝关节疼痛、肩颈酸痛、腰背疼痛等与肌肉异常工作有关的非创伤性损伤在骑行者身上频发。后续的研究可以着力于探究通过调整设置更匹配个体参数自的行车设定去改善非创伤性损伤中肌肉因素。
文摘Concussion,or mild traumatic brain injury,incidence rates have reached epidemic levels and impaired postural control is a cardinal symptom.The purpose of this review is to provide an overview of the linear and non-linear assessments of post-concussion postural control.The current acute evaluation for concussion utilizes the subjective balance error scoring system(BESS) to assess postural control.While the sensitivity of the overall test battery is high,the sensitivity of the BESS is unacceptably low and,with repeat administration,is unable to accurately identify recovery.Sophisticated measures of postural control,utilizing traditional linear assessments,have identified impairments in postural control well beyond BESS recovery.Both assessments of quiet stance and gait have identified lingering impairments for at least 1 month post-concussion.Recently,the application of non-linear metrics to concussion recovery have begun to receive limited attention with the most commonly utilized metric being approximate entropy(Ap En).Ap En,most commonly in the medial-lateral plane,has successfully identified impaired postural control in the acute post-concussion timeframe even when linear assessments of instrumented measures are equivalent to healthy pre-injury values;unfortunately these studies have not gone beyond the acute phase of recovery.One study has identified lingering deficits in postural control,utilizing Shannon and Renyi entropy metrics,which persist at least through clinical recovery and return to participation.Finally,limited evidence from two studies suggest that individuals with a previous history of a single concussion,even months or years prior,may display altered Ap En metrics.Overall,non-linear metrics provide a fertile area for future study to further the understanding of postural control impairments acutely post-concussion and address the current challenge of sensitive identification of recovery.
