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Altered Cerebral Microstructure in Adults With Atrial Septal Defect and Ventricular Septal Defect Repaired in Childhood 成人房间隔缺损和儿童期室间隔缺损修复的大脑微结构改变
B. Asschenfeldt, L. Evald, Camilla D Salvig, J. Heiberg, L. Østergaard, S. Eskildsen, V. Hjortdal
Background Delayed brain development, brain injury, and neurodevelopmental disabilities are commonly observed in infants operated for complex congenital heart defect. Our previous findings of poorer neurodevelopmental outcomes in individuals operated for simple congenital heart defects calls for further etiological clarification. Hence, we examined the microstructural tissue composition in cerebral cortex and subcortical structures in comparison to healthy controls and whether differences were associated with neurodevelopmental outcomes. Methods and Results Adults (n=62) who underwent surgical closure of an atrial septal defect (n=33) or a ventricular septal defect (n=29) in childhood and a group of healthy, matched controls (n=38) were enrolled. Brain diffusional kurtosis imaging and neuropsychological assessment were performed. Cortical and subcortical tissue microstructure were assessed using mean kurtosis tensor and mean diffusivity and compared between groups and tested for associations with neuropsychological outcomes. Alterations in microstructural tissue composition were found in the parietal, temporal, and occipital lobes in the congenital heart defects, with distinct mean kurtosis tensor cluster‐specific changes in the right visual cortex (pericalcarine gyrus, P=0.002; occipital part of fusiform and lingual gyri, P=0.019). Altered microstructural tissue composition in the subcortical structures was uncovered in atrial septal defects but not in ventricular septal defects. Associations were found between altered cerebral microstructure and social recognition and executive function. Conclusions Children operated for simple congenital heart defects demonstrated altered microstructural tissue composition in the cerebral cortex and subcortical structures during adulthood when compared with healthy peers. Alterations in cerebral microstructural tissue composition were associated with poorer neuropsychological performance. Registration URL: https://www.clinicaltrials.gov; Unique identifier: NCT03871881.
背景复杂先天性心脏缺损手术后的婴儿脑发育迟缓、脑损伤和神经发育障碍是常见的。我们之前的研究发现,单纯性先天性心脏缺陷患者的神经发育结果较差,这需要进一步的病因澄清。因此,我们研究了与健康对照组相比,大脑皮层和皮层下结构的微结构组织组成,以及这些差异是否与神经发育结果有关。方法和结果在儿童时期接受过房间隔缺损(n=33)或室间隔缺损(n=29)手术的成人(n=62)和一组健康匹配的对照组(n=38)被纳入研究。进行脑弥漫性峰度成像和神经心理评估。使用平均峰度张量和平均扩散率评估皮层和皮层下组织微观结构,比较各组之间的差异,并测试其与神经心理结果的关联。先天性心脏缺损患者的顶叶、颞叶和枕叶的显微结构组织组成发生了改变,右侧视觉皮层的平均峰度张量簇特异性改变明显(骨膜回,P=0.002;枕部梭状回和舌回,P=0.019)。在房间隔缺损中发现皮层下结构组织组成的改变,但在室间隔缺损中没有发现。发现大脑微观结构的改变与社会认知和执行功能之间存在关联。结论单纯性先天性心脏缺损患儿在成年期大脑皮层和皮层下结构的显微组织组成与健康同龄人相比发生了改变。大脑微结构组织组成的改变与较差的神经心理表现有关。注册网址:https://www.clinicaltrials.gov;唯一标识符:NCT03871881。
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引用次数: 1
Evaluation of a Population‐Wide Mobile Health Physical Activity Program in 696 907 Adults in Singapore 对新加坡696 907名成年人的全民流动健康体育活动计划的评估
Jiali Yao, Nicole Lim, Jeremy Tan, Andre Matthias Müller, Rob Martinus van Dam, Cynthia Chen, C. Tan, F. Müller-Riemenschneider
Background Evidence of scaled‐up physical activity interventions is scarce. This study evaluates the uptake, engagement, and effectiveness of one such intervention program. Methods and Results The program was open to individuals aged ≥17 years in Singapore. The main intervention components comprised device‐based daily physical activity recording paired with step count goals and financial rewards. According to the different reward opportunities, we divided the evaluation period (August 2017 to June 2018) into the baseline monitoring phase, the main challenge phase, and the maintenance phase. Uptake was assessed by the number of individuals registered, and engagement by the step recording duration after registration. The effectiveness was defined as changes in mean daily step count from baseline to the main challenge phase and the maintenance phase. A total of 696 907 participants registered, including more Singapore citizens (versus noncitizens), women, and younger (aged 17–39 years) individuals. The evaluation of engagement and effectiveness included 421 388 (60.5%) participants who provided plausible characteristic information and step count data. The median duration of engagement was 74 (IQR, 14–149) days. Compared with the baseline of 7509 (SD, 3467) steps, mean daily step count increased by 1579 (95% CI, 1564–1594) steps during the main challenge phase and 934 (95% CI, 916–952) steps during the maintenance phase. Greater engagement and activity increase were found in participants who are citizens, women, aged ≥40 years, non‐obese, and using separate wearables (versus smartphones). Conclusions Mobile health physical activity interventions can successfully reach a large population and be effective in increasing physical activity, despite declining program engagement over time.
背景:大规模身体活动干预的证据很少。本研究评估了一个此类干预项目的吸收、参与和有效性。方法和结果:该项目对新加坡年龄≥17岁的个体开放。主要干预组件包括基于设备的每日身体活动记录,以及步数目标和经济奖励。根据奖励机会的不同,我们将评估期(2017年8月至2018年6月)分为基线监测阶段、主要挑战阶段和维护阶段。通过注册的个人数量来评估吸收程度,通过注册后的步骤记录持续时间来评估参与程度。有效性定义为从基线到主要挑战阶段和维持阶段的平均每日步数的变化。共有696 907名参与者注册,其中包括更多的新加坡公民(与非公民相比)、女性和年轻人(17-39岁)。参与和有效性评估包括421 388名(60.5%)参与者,他们提供了可信的特征信息和步数数据。参与时间的中位数为74天(IQR, 14-149)。与基线的7509 (SD, 3467)步相比,在主要挑战阶段平均每日步数增加了1579 (95% CI, 1564-1594)步,在维持阶段增加了934 (95% CI, 916-952)步。在公民、女性、年龄≥40岁、非肥胖、使用不同的可穿戴设备(与智能手机相比)的参与者中,参与度和活动量都有所增加。结论:移动健康身体活动干预可以成功地覆盖大量人群,并有效地增加身体活动,尽管随着时间的推移,项目参与度会下降。
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引用次数: 6
Effects of Clinical Trial or Research Program Participation Status on In‐Hospital Mortality After Transcatheter Aortic Valve Implantation 临床试验或研究项目参与状况对经导管主动脉瓣植入术后住院死亡率的影响
Tadao Aikawa, T. Kuno, J. Van den Eynde, A. Briasoulis, Aaqib H. Malik
he development of novel devices and the favorable results of several randomized clinical trials have allowed for the rapid expansion of transcatheter aortic valve implantation (TAVI) to elderly patients with aortic stenosis across all risk categories 1 ; however, the highly selected populations that are typically enrolled in randomized clinical trials may limit generalizability of the results to the real- world population with aortic stenosis. Furthermore, clinical trial or research program participation itself can facilitate behavior change in patients and health care providers and may contribute to improved patient outcomes, which is known as the “Hawthorne effect.” 2 Previous studies reported that research participation was associated with better survival in patients with acute coronary syndrome. 3,4 Given the lack of data exploring the effect of research participation on outcomes after TAVI, we compared the short- term survival after TAVI between clinical research participants and nonparticipants using the Nationwide Inpatient Sample. The data that support the findings of this study are available from the corresponding author upon rea-sonable request. The Nationwide Inpatient Sample is the largest publicly available all- payer inpatient health care database in the United States and did not require ethical approval. All patients who underwent TAVI between 2013 and 2019 (n=56 648) were identified from the Nationwide Inpatient Sample using the following International Classification of Diseases, Tenth Revision, Clinical Modification (ICD- 10- CM) codes: 02RF37H, 02RF37Z, 02RF38H, 02RF38Z, 02RF3JH, 02RF3JZ, 02RF3KH, and 02RF3KZ. Patients with age ≤18 years (n=22), cirrhosis (n=760), end- stage renal disease (n=2136), do- not- resuscitate status or palliative care in-volvement (n=383), and cancer (n=1952) were excluded with reference to previous trials. Patients with missing data (n=12) were also excluded. Research participation status was identified using ICD- 10- CM code Z00.6, 4 which was restricted to code as the primary diagnosis or first secondary diagnosis to avoid overcapturing. The hospital research participation
新型装置的发展和几项随机临床试验的良好结果使得经导管主动脉瓣植入术(TAVI)迅速扩展到所有风险类别的老年主动脉瓣狭窄患者1;然而,随机临床试验中典型的高选择性人群可能限制了结果对真实世界主动脉瓣狭窄人群的推广。此外,参与临床试验或研究项目本身可以促进患者和医疗保健提供者的行为改变,并可能有助于改善患者的治疗结果,这被称为“霍桑效应”。先前的研究报道,参与研究与急性冠状动脉综合征患者更好的生存率相关。3,4由于缺乏研究参与对TAVI后预后影响的数据,我们使用全国住院患者样本比较了临床研究参与者和非参与者在TAVI后的短期生存。支持本研究结果的数据可在合理要求下从通讯作者处获得。全国住院病人样本是美国最大的可公开获得的所有付款人住院病人卫生保健数据库,不需要伦理批准。所有2013年至2019年期间接受TAVI的患者(n=56 648)均来自全国住院患者样本,使用以下国际疾病分类第十版临床修改(ICD- 10- CM)代码:02RF37H, 02RF37Z, 02RF38H, 02RF38Z, 02RF3JH, 02RF3JZ, 02RF3KH和02RF3KZ。年龄≤18岁(n=22)、肝硬化(n=760)、终末期肾病(n=2136)、无复苏状态或参与姑息治疗(n=383)和癌症(n=1952)的患者参照既往试验被排除。数据缺失的患者(n=12)也被排除在外。使用ICD- 10- CM代码Z00.6, 4确定研究参与状态,为避免过度捕获,将代码限制为主要诊断或首次次要诊断。医院研究参与情况
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引用次数: 0
Integrating a Polygenic Risk Score for Coronary Artery Disease as a Risk‐Enhancing Factor in the Pooled Cohort Equation: A Cost‐Effectiveness Analysis Study 将冠状动脉疾病的多基因风险评分作为合并队列方程中的风险增强因素:一项成本-效果分析研究
D. Mujwara, G. Henno, S. Vernon, S. Peng, P. Di Domenico, B. Schroeder, G. Busby, G. Figtree, G. Bottà
Background Cardiovascular diseases are the leading cause of death in the United States, yet a significant proportion of adults at high risk remain undetected by standard screening practices. Polygenic risk score for coronary artery disease (CAD‐PRS) improves precision in determining the 10‐year risk of atherosclerotic cardiovascular disease but health benefits and health care costs associated with CAD‐PRS are unknown. We examined the cost‐effectiveness of including CAD‐PRS as a risk‐enhancing factor in the pooled cohort equation (PCE)—the standard of care for determining the risk of atherosclerotic cardiovascular disease—versus PCE alone. Methods and Results We applied a Markov model on a cohort of 40‐year‐old individuals with borderline or intermediate 10‐year risk (5% to <20%) for atherosclerotic cardiovascular disease to identify those in the top quintile of the CAD‐PRS distribution who are at high risk and eligible for statin prevention therapy. Health outcomes examined included coronary artery disease (CAD; ie, myocardial infarction) and ischemic stroke. The model projected medical costs (2019 US$) of screening for CAD, statin prevention therapy, treatment, and monitoring patients living with CAD or ischemic stroke and quality‐adjusted life‐years for PCE+CAD‐PRS versus PCE alone. Deterministic and probabilistic sensitivity analyses and scenario analyses were performed to examine uncertainty in parameter inputs. PCE+CAD‐PRS was dominant compared with PCE alone in the 5‐ and 10‐year time horizons. We found that, respectively, PCE+CAD‐PRS had 0.003 and 0.011 higher mean quality‐adjusted life‐years and $40 and $181 lower mean costs per person screened, with 29 and 50 fewer events of CAD and ischemic stroke in a cohort of 10 000 individuals compared with PCE alone. The risk of developing CAD, the effectiveness of statin prevention therapy, and the cost of treating CAD had the largest impact on the cost per quality‐adjusted life‐year gained. However, this cost remained below the $50 000 willingness‐to‐pay threshold except when the annual risk of developing CAD was <0.006 in the 5‐year time horizon. Results from Monte Carlo simulation indicated that PCE+CAD‐PRS would be cost‐effective. with the probability of 94% and 99% at $50 000 willingness‐to‐pay threshold in the 5‐ and 10‐year time horizon, respectively. Conclusions Implementing CAD‐PRS as a risk‐enhancing factor in the PCE to determine the risk of atherosclerotic cardiovascular disease reduced the mean cost per individual, improved quality‐adjusted life‐years, and averted future events of CAD and ischemic stroke when compared with PCE alone.
背景:在美国,心血管疾病是导致死亡的主要原因,但有相当比例的高危成年人仍未被标准筛查方法发现。冠状动脉疾病多基因风险评分(CAD‐PRS)提高了确定动脉粥样硬化性心血管疾病10年风险的准确性,但与CAD‐PRS相关的健康益处和医疗保健成本尚不清楚。我们检查了将CAD - PRS作为风险增强因素纳入合并队列方程(PCE)的成本-效果,PCE是确定动脉粥样硬化性心血管疾病风险的护理标准。方法和结果:我们对一组40岁的动脉粥样硬化性心血管疾病10年风险(5%至<20%)处于边缘或中等水平的个体应用Markov模型,以确定那些处于CAD - PRS分布的前五分之一的高危人群,他们符合他汀类药物预防治疗的条件。检查的健康结果包括冠状动脉疾病(CAD;如心肌梗塞)和缺血性中风。该模型预测了筛查CAD、他汀类药物预防治疗、治疗和监测CAD或缺血性卒中患者的医疗成本(2019美元),以及PCE+CAD - PRS与单独PCE的质量调整生命年。采用确定性和概率敏感性分析以及情景分析来检验参数输入的不确定性。在5年和10年的时间范围内,与单独的PCE相比,PCE+CAD - PRS占主导地位。我们发现,在一组10000人的队列中,PCE+CAD‐PRS的平均质量调整生命年分别增加0.003年和0.011年,人均筛查平均成本分别降低40美元和181美元,冠心病和缺血性卒中事件分别减少29和50起。患CAD的风险、他汀类药物预防治疗的有效性和治疗CAD的费用对获得的每质量调整生命年的成本影响最大。然而,除非在5年的时间范围内发生CAD的年风险<0.006,否则该成本仍低于50,000美元的支付意愿阈值。蒙特卡罗模拟结果表明,PCE+CAD - PRS具有成本效益。在5年和10年的时间范围内,5万美元的支付意愿阈值的概率分别为94%和99%。结论:与单独使用PCE相比,将CAD - PRS作为PCE中确定动脉粥样硬化性心血管疾病风险的风险增强因素,降低了人均成本,提高了质量调整寿命年,并避免了未来CAD和缺血性卒中的事件。
{"title":"Integrating a Polygenic Risk Score for Coronary Artery Disease as a Risk‐Enhancing Factor in the Pooled Cohort Equation: A Cost‐Effectiveness Analysis Study","authors":"D. Mujwara, G. Henno, S. Vernon, S. Peng, P. Di Domenico, B. Schroeder, G. Busby, G. Figtree, G. Bottà","doi":"10.1161/JAHA.121.025236","DOIUrl":"https://doi.org/10.1161/JAHA.121.025236","url":null,"abstract":"Background Cardiovascular diseases are the leading cause of death in the United States, yet a significant proportion of adults at high risk remain undetected by standard screening practices. Polygenic risk score for coronary artery disease (CAD‐PRS) improves precision in determining the 10‐year risk of atherosclerotic cardiovascular disease but health benefits and health care costs associated with CAD‐PRS are unknown. We examined the cost‐effectiveness of including CAD‐PRS as a risk‐enhancing factor in the pooled cohort equation (PCE)—the standard of care for determining the risk of atherosclerotic cardiovascular disease—versus PCE alone. Methods and Results We applied a Markov model on a cohort of 40‐year‐old individuals with borderline or intermediate 10‐year risk (5% to <20%) for atherosclerotic cardiovascular disease to identify those in the top quintile of the CAD‐PRS distribution who are at high risk and eligible for statin prevention therapy. Health outcomes examined included coronary artery disease (CAD; ie, myocardial infarction) and ischemic stroke. The model projected medical costs (2019 US$) of screening for CAD, statin prevention therapy, treatment, and monitoring patients living with CAD or ischemic stroke and quality‐adjusted life‐years for PCE+CAD‐PRS versus PCE alone. Deterministic and probabilistic sensitivity analyses and scenario analyses were performed to examine uncertainty in parameter inputs. PCE+CAD‐PRS was dominant compared with PCE alone in the 5‐ and 10‐year time horizons. We found that, respectively, PCE+CAD‐PRS had 0.003 and 0.011 higher mean quality‐adjusted life‐years and $40 and $181 lower mean costs per person screened, with 29 and 50 fewer events of CAD and ischemic stroke in a cohort of 10 000 individuals compared with PCE alone. The risk of developing CAD, the effectiveness of statin prevention therapy, and the cost of treating CAD had the largest impact on the cost per quality‐adjusted life‐year gained. However, this cost remained below the $50 000 willingness‐to‐pay threshold except when the annual risk of developing CAD was <0.006 in the 5‐year time horizon. Results from Monte Carlo simulation indicated that PCE+CAD‐PRS would be cost‐effective. with the probability of 94% and 99% at $50 000 willingness‐to‐pay threshold in the 5‐ and 10‐year time horizon, respectively. Conclusions Implementing CAD‐PRS as a risk‐enhancing factor in the PCE to determine the risk of atherosclerotic cardiovascular disease reduced the mean cost per individual, improved quality‐adjusted life‐years, and averted future events of CAD and ischemic stroke when compared with PCE alone.","PeriodicalId":17189,"journal":{"name":"Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91485523","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: 14
Radiofrequency Catheter Ablation for Pediatric Atrioventricular Nodal Reentrant Tachycardia: Impact of Age on Procedural Methods and Durable Success 射频导管消融治疗儿童房室结折返性心动过速:年龄对手术方法和持久成功的影响
Edward T O'Leary, Jamie Harris, K. Gauvreau, Courtney Gentry, A. Dionne, D. Abrams, M. Alexander, Vassilios J. Bezzerides, E. DeWitt, J. Triedman, E. Walsh, D. Mah
Background Catheter‐based slow‐pathway modification (SPM) is the treatment of choice for symptomatic atrioventricular nodal reentrant tachycardia (AVNRT). We sought to investigate the interactions between patient age and procedural outcomes in pediatric patients undergoing catheter‐based SPM for AVNRT. Methods and Results A retrospective cohort study was performed, including consecutive patients undergoing acutely successful SPM for AVNRT from 2008 to 2017. Those with congenital heart disease, cardiomyopathy, and accessory pathways were excluded. Patients were stratified by age quartile at time of SPM. The primary outcome was AVNRT recurrence. A total of 512 patients underwent successful SPM for AVNRT. Age quartile 1 had 129 patients with a median age and weight of 8.9 years and 30.6 kg, respectively. Radiofrequency energy was used in 98% of cases. Follow‐up was available in 447 (87%) patients with a median duration of 0.8 years (interquartile range, 0.2–2.5 years). AVNRT recurred in 22 patients. Multivariable Cox proportional hazard modeling identified atypical AVNRT (hazard ratio [HR], 5.83; 95% CI, 2.01–16.96; P=0.001), dual atrioventricular nodal only (HR, 4.09; 95% CI, 1.39–12.02; P=0.011), total radiofrequency lesions (HR, 1.06 per lesion; 95% CI, 1.01–1.12; P=0.032), and the use of a long sheath (HR, 3.52; 95% CI, 1.23–10.03; P=0.010) as predictors of AVNRT recurrence; quartile 1 patients were not at higher risk of recurrence (HR, 0.45; 95% CI, 0.10–1.97; P=0.29). Complete heart block requiring permanent pacing occurred in one quartile 2 patient at 14.9 years of age. Conclusions Pediatric AVNRT can be treated with radiofrequency‐SPM with high procedural efficacy and minimal risk of complications, including heart block. Atypical AVNRT and dual atrioventricular nodal physiology without inducible tachycardia remain challenging substrates.
背景:基于导管的慢路径改良(SPM)是治疗症状性房室结性再入性心动过速(AVNRT)的首选方法。我们试图调查在AVNRT中接受基于导管的SPM的儿科患者中,患者年龄与手术结果之间的相互作用。方法与结果进行回顾性队列研究,包括2008年至2017年连续接受急性成功的AVNRT SPM的患者。排除有先天性心脏病、心肌病和副通路的患者。患者在SPM时按年龄四分位数分层。主要终点为AVNRT复发。共有512例患者成功接受了AVNRT的SPM治疗。年龄四分位数1有129例患者,中位年龄和体重分别为8.9岁和30.6 kg。98%的病例使用射频能量。对447例(87%)患者进行了随访,中位持续时间为0.8年(四分位数范围为0.2-2.5年)。AVNRT复发22例。多变量Cox比例风险模型鉴定出非典型AVNRT(风险比[HR], 5.83;95% ci, 2.01-16.96;P=0.001),仅双房室结(HR, 4.09;95% ci, 1.39-12.02;P=0.011),总射频病变(HR, 1.06 /病变;95% ci, 1.01-1.12;P=0.032),使用长护套(HR, 3.52;95% ci, 1.23-10.03;P=0.010)作为AVNRT复发的预测因子;四分位数1患者的复发风险不高(HR, 0.45;95% ci, 0.10-1.97;P = 0.29)。需要永久性起搏的完全性心脏传导阻滞发生在14.9岁的1 / 4患者中。结论:采用射频- SPM治疗小儿AVNRT具有较高的手术疗效和较低的并发症风险,包括心脏传导阻滞。非典型AVNRT和无诱发性心动过速的双房室结生理仍然具有挑战性。
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引用次数: 1
Moderate‐ and High‐Intensity Exercise Improves Lipoprotein Profile and Cholesterol Efflux Capacity in Healthy Young Men 中、高强度运动可改善健康青年男性的脂蛋白谱和胆固醇外排能力
K. Stanton, V. Kienzle, D. Dinnes, Irina Kotchetkov, W. Jessup, L. Kritharides, D. Celermajer, K. Rye
Background Exercise is associated with a reduced risk of cardiovascular disease. Increased high‐density lipoprotein cholesterol (HDL‐C) levels are thought to contribute to these benefits, but much of the research in this area has been limited by lack of well‐controlled subject selection and exercise interventions. We sought to study the effect of moderate and high‐intensity exercise on HDL function, lipid/lipoprotein profile, and other cardiometabolic parameters in a homogeneous population where exercise, daily routine, sleep patterns, and living conditions were carefully controlled. Methods and Results Male Army recruits (n=115, age 22±0.3 years) completed a 12‐week moderate‐intensity exercise program. A subset of 51 subsequently completed a 15‐week high‐intensity exercise program. Fitness increased and body fat decreased after moderate‐ and high‐intensity exercise (P<0.001). Moderate‐intensity exercise increased HDL‐C and apolipoprotein A‐I levels (6.6%, 11.6% respectively), and decreased low‐density lipoprotein cholesterol and apolipoprotein B levels (7.2%, 4.9% respectively) (all P<0.01). HDL‐C and apolipoprotein A‐I levels further increased by 8.2% (P<0.001) and 6.3% (P<0.05) after high‐intensity exercise. Moderate‐intensity exercise increased ABCA‐1 (ATP‐binding cassette transporter A1) mediated cholesterol efflux by 13.5% (P<0.001), which was sustained after high‐intensity exercise. In a selected subset the ability of HDLs to inhibit ICAM‐1 (intercellular adhesion molecule‐1) expression decreased after the high (P<0.001) but not the moderate‐intensity exercise program. Conclusions When controlling for exercise patterns, diet, and sleep, moderate‐intensity exercise improved HDL function, lipid/lipoprotein profile, fitness, and body composition. A sequential moderate followed by high‐intensity exercise program showed sustained or incremental benefits in these parameters. Improved HDL function may be part of the mechanism by which exercise reduces cardiovascular disease risk.
运动与降低心血管疾病的风险有关。高密度脂蛋白胆固醇(HDL - C)水平的增加被认为有助于这些益处,但由于缺乏控制良好的受试者选择和运动干预,该领域的许多研究受到限制。我们试图研究中等和高强度运动对高密度脂蛋白功能、脂质/脂蛋白谱和其他心脏代谢参数的影响,在一个均匀的人群中,运动、日常生活、睡眠模式和生活条件都受到严格控制。方法与结果115名男性新兵(年龄22±0.3岁)完成了为期12周的中等强度锻炼计划。51人随后完成了为期15周的高强度锻炼计划。中强度和高强度运动后,体能增加,体脂减少(P<0.001)。中等强度运动增加了HDL - C和载脂蛋白A - I水平(分别为6.6%和11.6%),降低了低密度脂蛋白胆固醇和载脂蛋白B水平(分别为7.2%和4.9%)(均P<0.01)。高强度运动后HDL - C和载脂蛋白A - I水平分别升高8.2% (P<0.001)和6.3% (P<0.05)。中等强度运动使ABCA - 1 (ATP结合盒转运蛋白A1)介导的胆固醇外排增加13.5% (P<0.001),这在高强度运动后持续。在一个选定的子集中,高密度脂蛋白抑制ICAM - 1(细胞间粘附分子- 1)表达的能力在高强度运动后下降(P<0.001),但在中等强度运动后没有下降。在控制运动模式、饮食和睡眠的情况下,中等强度运动可改善HDL功能、脂质/脂蛋白谱、健康和身体成分。在这些参数中,顺序适度的高强度运动项目显示出持续或递增的益处。改善HDL功能可能是运动降低心血管疾病风险的机制之一。
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引用次数: 6
Prediction of Prehospital Change of the Cardiac Rhythm From Nonshockable to Shockable in Out‐of‐Hospital Patients With Cardiac Arrest: A Post Hoc Analysis of a Nationwide, Multicenter, Prospective Registry 院外心脏骤停患者院前心律从非休克到休克变化的预测:一项全国性、多中心、前瞻性登记的事后分析
R. Emoto, M. Nishikimi, M. Shoaib, Kei Hayashida, Kazuki Nishida, K. Kikutani, S. Ohshimo, S. Matsui, N. Shime, T. Iwami
Background Predicting a spontaneous rhythm change from nonshockable to shockable before hospital arrival in patients with out‐of‐hospital cardiac arrest can help emergency medical services develop better strategies for prehospital treatment. The aim of this study was to identify predictors of spontaneous rhythm change before hospital arrival in patients with out‐of‐hospital cardiac arrest and develop a predictive scoring system. Methods and Results We retrospectively reviewed data of eligible patients with out‐of‐hospital cardiac arrest with an initial nonshockable rhythm registered in a nationwide registry between June 2014 and December 2017. We performed a multivariable analysis using a Cox proportional hazards model to identify predictors of a spontaneous rhythm change, and a ridge regression model for predicting it. The data of 25 804 patients were analyzed (derivation cohort, n=17 743; validation cohort, n=8061). The rhythm change event rate was 4.1% (724/17 743) in the derivation cohort, and 4.0% (326/8061) in the validation cohorts. Age, sex, presence of a witness, initial rhythm, chest compression by a bystander, shock with an automated external defibrillator by a bystander, and cause of the cardiac arrest were all found to be independently associated with spontaneous rhythm change before hospital arrival. Based on this finding, we developed and validated the Rhythm Change Before Hospital Arrival for Nonshockable score. The Harrell’s concordance index values of the score were 0.71 and 0.67 in the internal and external validations, respectively. Conclusions Seven factors were identified as predictors of a spontaneous rhythm change from nonshockable to shockable before hospital arrival. We developed and validated a score to predict rhythm change before hospital arrival.
背景:在院外心脏骤停患者到达医院前预测从非休克到休克的自发节律变化可以帮助急救医疗机构制定更好的院前治疗策略。本研究的目的是确定院外心脏骤停患者入院前自发性心律变化的预测因素,并开发一种预测评分系统。方法和结果我们回顾性回顾了2014年6月至2017年12月在全国登记的具有初始非震荡心律的院外心脏骤停患者的数据。我们使用Cox比例风险模型进行多变量分析,以确定自发节律变化的预测因素,并使用脊回归模型进行预测。分析25 804例患者的资料(衍生队列,n=17 743;验证队列,n=8061)。衍生队列的节律变化事件率为4.1%(724/17 743),验证队列的节律变化事件率为4.0%(326/8061)。年龄、性别、证人在场、初始心律、旁观者胸部按压、旁观者使用自动体外除颤器电击以及心脏骤停原因均被发现与到达医院前的自发心律变化独立相关。基于这一发现,我们开发并验证了非休克住院前的心律变化评分。在内部和外部验证中,得分的Harrell’s一致性指数分别为0.71和0.67。结论确定了7个因素可作为到达医院前从非休克到休克的自发节律变化的预测因素。我们开发并验证了一个评分来预测住院前的心律变化。
{"title":"Prediction of Prehospital Change of the Cardiac Rhythm From Nonshockable to Shockable in Out‐of‐Hospital Patients With Cardiac Arrest: A Post Hoc Analysis of a Nationwide, Multicenter, Prospective Registry","authors":"R. Emoto, M. Nishikimi, M. Shoaib, Kei Hayashida, Kazuki Nishida, K. Kikutani, S. Ohshimo, S. Matsui, N. Shime, T. Iwami","doi":"10.1161/JAHA.121.025048","DOIUrl":"https://doi.org/10.1161/JAHA.121.025048","url":null,"abstract":"Background Predicting a spontaneous rhythm change from nonshockable to shockable before hospital arrival in patients with out‐of‐hospital cardiac arrest can help emergency medical services develop better strategies for prehospital treatment. The aim of this study was to identify predictors of spontaneous rhythm change before hospital arrival in patients with out‐of‐hospital cardiac arrest and develop a predictive scoring system. Methods and Results We retrospectively reviewed data of eligible patients with out‐of‐hospital cardiac arrest with an initial nonshockable rhythm registered in a nationwide registry between June 2014 and December 2017. We performed a multivariable analysis using a Cox proportional hazards model to identify predictors of a spontaneous rhythm change, and a ridge regression model for predicting it. The data of 25 804 patients were analyzed (derivation cohort, n=17 743; validation cohort, n=8061). The rhythm change event rate was 4.1% (724/17 743) in the derivation cohort, and 4.0% (326/8061) in the validation cohorts. Age, sex, presence of a witness, initial rhythm, chest compression by a bystander, shock with an automated external defibrillator by a bystander, and cause of the cardiac arrest were all found to be independently associated with spontaneous rhythm change before hospital arrival. Based on this finding, we developed and validated the Rhythm Change Before Hospital Arrival for Nonshockable score. The Harrell’s concordance index values of the score were 0.71 and 0.67 in the internal and external validations, respectively. Conclusions Seven factors were identified as predictors of a spontaneous rhythm change from nonshockable to shockable before hospital arrival. We developed and validated a score to predict rhythm change before hospital arrival.","PeriodicalId":17189,"journal":{"name":"Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85332672","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
Aortic Dimensions Are Larger in Patients With Fibromuscular Dysplasia 纤维肌肉发育不良患者的主动脉尺寸较大
Arielle M Schwartz, Esther Kim, Patrick T. Gleason, Xiaona Li, Y. Ko, Bryan J Wells
Background Fibromuscular dysplasia (FMD) is a disease of unknown etiology that causes stenosis, aneurysmal dilatation, and dissection of vascular beds. Known to affect medium‐sized arteries, FMD is not typically considered to affect the aorta. We tested the hypothesis that aortic size in FMD is abnormal compared with age‐ and sex‐matched controls. Methods and Results Medical records and computed tomography angiography images were reviewed in female patients with a diagnosis of FMD who were seen in the vascular medicine clinic at Emory Healthcare. Aortic dimensions were measured at 6 different landmarks. Using 2 sample t tests, the aortic measurements and height‐indexed measurements were compared with published normal values in healthy women of a similar age. A total of 94 female patients were included in the study. The median age was 57 (interquartile range, 50–65). FMD involvement was present most commonly in the extracranial carotid (77.7%) and renal (43.6%) arteries. All 6 aortic segments were found to be larger in both absolute measures and height‐indexed measures in the FMD population (P<0.001). The largest differences were observed within the absolute measures of the sinotubular junction with mean±SD (mm) (29.9±4.1) versus (27±2.5), ascending aorta (32.7±4.4) versus (30.0±3.5), and descending aorta (24.7±3.0) versus (22.0±2.0) (P<0.001). Conclusions Aortic diameters in female patients with FMD are larger when compared with published age‐ and sex‐matched normal values. These findings suggest that FMD may also affect the large‐sized arteries.
背景:纤维肌肉发育不良(FMD)是一种病因不明的疾病,可导致狭窄、动脉瘤样扩张和血管床夹层。口蹄疫已知会影响中等大小的动脉,但通常不认为会影响主动脉。与年龄和性别匹配的对照组相比,我们检验了FMD患者主动脉尺寸异常的假设。方法与结果回顾了在埃默里医疗中心血管医学诊所就诊的女性口蹄疫患者的医疗记录和计算机断层血管造影图像。在6个不同的地标处测量主动脉尺寸。采用2个样本t检验,将相同年龄的健康女性的主动脉测量值和身高指数测量值与已公布的正常值进行比较。共纳入94例女性患者。中位年龄为57岁(四分位数范围为50-65岁)。FMD最常见于颅外颈动脉(77.7%)和肾动脉(43.6%)。在FMD人群中,所有6个主动脉段在绝对测量和身高指数测量中均较大(P<0.001)。在窦管交界处的绝对测量中,差异最大的是平均±SD (mm)(29.9±4.1)对(27±2.5),升主动脉(32.7±4.4)对(30.0±3.5),降主动脉(24.7±3.0)对(22.0±2.0)(P<0.001)。结论:与已公布的年龄和性别匹配的正常值相比,女性FMD患者的主动脉直径更大。这些发现表明FMD也可能影响大动脉。
{"title":"Aortic Dimensions Are Larger in Patients With Fibromuscular Dysplasia","authors":"Arielle M Schwartz, Esther Kim, Patrick T. Gleason, Xiaona Li, Y. Ko, Bryan J Wells","doi":"10.1161/JAHA.121.023858","DOIUrl":"https://doi.org/10.1161/JAHA.121.023858","url":null,"abstract":"Background Fibromuscular dysplasia (FMD) is a disease of unknown etiology that causes stenosis, aneurysmal dilatation, and dissection of vascular beds. Known to affect medium‐sized arteries, FMD is not typically considered to affect the aorta. We tested the hypothesis that aortic size in FMD is abnormal compared with age‐ and sex‐matched controls. Methods and Results Medical records and computed tomography angiography images were reviewed in female patients with a diagnosis of FMD who were seen in the vascular medicine clinic at Emory Healthcare. Aortic dimensions were measured at 6 different landmarks. Using 2 sample t tests, the aortic measurements and height‐indexed measurements were compared with published normal values in healthy women of a similar age. A total of 94 female patients were included in the study. The median age was 57 (interquartile range, 50–65). FMD involvement was present most commonly in the extracranial carotid (77.7%) and renal (43.6%) arteries. All 6 aortic segments were found to be larger in both absolute measures and height‐indexed measures in the FMD population (P<0.001). The largest differences were observed within the absolute measures of the sinotubular junction with mean±SD (mm) (29.9±4.1) versus (27±2.5), ascending aorta (32.7±4.4) versus (30.0±3.5), and descending aorta (24.7±3.0) versus (22.0±2.0) (P<0.001). Conclusions Aortic diameters in female patients with FMD are larger when compared with published age‐ and sex‐matched normal values. These findings suggest that FMD may also affect the large‐sized arteries.","PeriodicalId":17189,"journal":{"name":"Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81830903","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
Sex‐Based Differences in Outcomes Following Peripheral Artery Revascularization: Insights From VOYAGER PAD 外周动脉血运重建术后结果的性别差异:来自VOYAGER PAD的见解
Connie N. Hess, I. Baumgartner, Sonia S Anand, M. Nehler, M. Patel, E. S. Debus, M. Szarek, W. Capell, E. Muehlhofer, S. Berkowitz, L. Haskell, R. Bauersachs, M. Bonaca, Judith Hsia
Background Despite high female prevalence of peripheral artery disease (PAD), little is known about sex‐based outcomes after lower extremity revascularization (LER) for symptomatic PAD. The effects of rivaroxaban according to sex following LER have not been fully reported. Methods and Results In VOYAGER PAD (Vascular Outcomes Study of ASA [acetylsalicylic acid] Along with Rivaroxaban in Endovascular or Surgical Limb Revascularization for Peripheral Artery Disease), low‐dose rivaroxaban versus placebo on a background of aspirin reduced the composite primary efficacy outcome of cardiovascular and limb events in patients with PAD undergoing LER. Unplanned index limb revascularization was prespecified and prospectively ascertained. The primary safety outcome was Thrombolysis in Myocardial Infarction major bleeding. Analyses of outcomes and treatment effects by sex were performed using Cox proportional hazards models. Among 6564 randomly assigned patients followed for a median of 28 months, 1704 (26.0%) were women. Among patients administered placebo, women were at similar risk for the primary efficacy outcome (hazard ratio [HR], 0.90; [95% CI, 0.74–1.09]; P=0.29) as men, while female sex was associated with a trend toward higher risk of unplanned index limb revascularization (HR, 1.18; [95% CI, 1.00–1.40]; P=0.0499). Irrespective of sex, effects of rivaroxaban were consistent for the primary efficacy outcome (P‐interaction=0.22), unplanned index limb revascularization (P‐interaction=0.64), and bleeding (P‐interaction=0.61). Women were more likely than men to discontinue study treatment (HR, 1.13; [95% CI, 1.03–1.25]; P=0.0099). Conclusions Among >1700 women with PAD undergoing LER, women and men were at similar risk for the primary outcome, but a trend for greater risk of unplanned index limb revascularization among women was observed. Effects of rivaroxaban were consistent by sex, though women more often discontinued treatment. Better understanding of sex‐based outcomes and treatment adherence following LER is needed. Registration URL: http://clinicaltrials.gov; Unique identifier: NCT02504216.
背景:尽管女性外周动脉疾病(PAD)的患病率很高,但对有症状的PAD患者下肢血运重建术(LER)后基于性别的结局知之甚少。利伐沙班对LER后性别的影响尚未得到充分报道。方法和结果在VOYAGER PAD(血管结局研究ASA[乙酰水杨酸]联合利伐沙班进行外周动脉疾病的血管内或手术肢体血运重建术)中,低剂量利伐沙班与阿司匹林背景下的安慰剂相比,降低了接受LER治疗的PAD患者心血管和肢体事件的复合主要疗效。计划外的下肢血运重建术是预先确定和前瞻性确定的。主要的安全终点是心肌梗死大出血时的溶栓。采用Cox比例风险模型对结果和治疗效果进行性别分析。在6564名随机分配的患者中,随访时间中位数为28个月,其中1704名(26.0%)为女性。在服用安慰剂的患者中,女性在主要疗效结局方面的风险相似(风险比[HR], 0.90;[95% ci, 0.74-1.09];P=0.29),而女性与计划外下肢血运重建术的高风险趋势相关(HR, 1.18;[95% ci, 1.00-1.40];P = 0.0499)。不论性别,利伐沙班对主要疗效结局(P -相互作用=0.22)、计划外下肢血管重建(P -相互作用=0.64)和出血(P -相互作用=0.61)的影响是一致的。女性比男性更有可能停止研究治疗(HR, 1.13;[95% ci, 1.03-1.25];P = 0.0099)。结论:在bb17000名接受LER治疗的女性PAD患者中,女性和男性在主要结局方面的风险相似,但观察到女性发生计划外下肢血运重建术的风险更高。利伐沙班的效果在性别上是一致的,尽管女性更经常停止治疗。需要更好地了解LER后基于性别的结局和治疗依从性。注册网址:http://clinicaltrials.gov;唯一标识符:NCT02504216。
{"title":"Sex‐Based Differences in Outcomes Following Peripheral Artery Revascularization: Insights From VOYAGER PAD","authors":"Connie N. Hess, I. Baumgartner, Sonia S Anand, M. Nehler, M. Patel, E. S. Debus, M. Szarek, W. Capell, E. Muehlhofer, S. Berkowitz, L. Haskell, R. Bauersachs, M. Bonaca, Judith Hsia","doi":"10.1161/JAHA.121.024655","DOIUrl":"https://doi.org/10.1161/JAHA.121.024655","url":null,"abstract":"Background Despite high female prevalence of peripheral artery disease (PAD), little is known about sex‐based outcomes after lower extremity revascularization (LER) for symptomatic PAD. The effects of rivaroxaban according to sex following LER have not been fully reported. Methods and Results In VOYAGER PAD (Vascular Outcomes Study of ASA [acetylsalicylic acid] Along with Rivaroxaban in Endovascular or Surgical Limb Revascularization for Peripheral Artery Disease), low‐dose rivaroxaban versus placebo on a background of aspirin reduced the composite primary efficacy outcome of cardiovascular and limb events in patients with PAD undergoing LER. Unplanned index limb revascularization was prespecified and prospectively ascertained. The primary safety outcome was Thrombolysis in Myocardial Infarction major bleeding. Analyses of outcomes and treatment effects by sex were performed using Cox proportional hazards models. Among 6564 randomly assigned patients followed for a median of 28 months, 1704 (26.0%) were women. Among patients administered placebo, women were at similar risk for the primary efficacy outcome (hazard ratio [HR], 0.90; [95% CI, 0.74–1.09]; P=0.29) as men, while female sex was associated with a trend toward higher risk of unplanned index limb revascularization (HR, 1.18; [95% CI, 1.00–1.40]; P=0.0499). Irrespective of sex, effects of rivaroxaban were consistent for the primary efficacy outcome (P‐interaction=0.22), unplanned index limb revascularization (P‐interaction=0.64), and bleeding (P‐interaction=0.61). Women were more likely than men to discontinue study treatment (HR, 1.13; [95% CI, 1.03–1.25]; P=0.0099). Conclusions Among >1700 women with PAD undergoing LER, women and men were at similar risk for the primary outcome, but a trend for greater risk of unplanned index limb revascularization among women was observed. Effects of rivaroxaban were consistent by sex, though women more often discontinued treatment. Better understanding of sex‐based outcomes and treatment adherence following LER is needed. Registration URL: http://clinicaltrials.gov; Unique identifier: NCT02504216.","PeriodicalId":17189,"journal":{"name":"Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75052281","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: 6
Prognostic Value of Exercise Capacity in Kidney Transplant Candidates 运动能力对肾移植候选人的预后价值
Sean Tan, Y. Thang, W. Mulley, K. Polkinghorne, S. Ramkumar, K. Cheng, J. Chan, J. Galligan, M. Nolan, A. Brown, S. Moir, J. Cameron, Stephen J. Nicholls, P. Mottram, N. Nerlekar
Background Exercise stress testing for cardiovascular assessment in kidney transplant candidates has been shown to be a feasible alternative to pharmacologic methods. Exercise stress testing allows the additional assessment of exercise capacity, which may have prognostic value for long‐term cardiovascular outcomes in pre‐transplant recipients. This study aimed to evaluate the prognostic value of exercise capacity on long‐term cardiovascular outcomes in kidney transplant candidates. Methods and Results We retrospectively evaluated exercise capacity in 898 consecutive kidney transplant candidates between 2013 and 2020 who underwent symptom‐limited exercise stress echocardiography for pre‐transplant cardiovascular assessment. Exercise capacity was measured by age‐ and sex‐predicted metabolic equivalents (METs). The primary outcome was incident major adverse cardiovascular events, defined as cardiac death, non‐fatal myocardial infarction, and stroke. Cox proportional hazard multivariable modeling was performed to define major adverse cardiovascular events predictors with transplantation treated as a time‐varying covariate. A total of 429 patients (48%) achieved predicted METs. During follow‐up, 93 (10%) developed major adverse cardiovascular events and 525 (58%) underwent transplantation. Achievement of predicted METs was independently associated with reduced major adverse cardiovascular events (hazard ratio [HR] 0.49; [95% CI 0.29–0.82], P=0.007), as was transplantation (HR, 0.52; [95% CI 0.30–0.91], P=0.02). Patients achieving predicted METs on pre‐transplant exercise stress echocardiography had favorable outcomes that were independent (HR, 0.78; [95% CI 0.32–1.92], P=0.59) and of similar magnitude to subsequent transplantation (HR, 0.97; [95% CI 0.42–2.25], P=0.95). Conclusions Achievement of predicted METs on pre‐transplant exercise stress echocardiography confers excellent prognosis independent of and of similar magnitude to subsequent kidney transplantation. Future studies should assess the benefit on exercise training in this population.
研究背景:运动应激测试已被证明是替代药理学方法的可行方法。运动压力测试允许对运动能力进行额外的评估,这可能对移植前受者的长期心血管结果具有预后价值。本研究旨在评估运动能力对肾移植候选人长期心血管结局的预后价值。方法和结果我们回顾性评估了2013年至2020年间898例连续肾移植候选人的运动能力,这些患者在移植前接受了症状限制运动应激超声心动图检查,用于心血管评估。通过年龄和性别预测的代谢当量(METs)来测量运动能力。主要终点是主要不良心血管事件的发生率,定义为心源性死亡、非致死性心肌梗死和中风。采用Cox比例风险多变量模型来确定主要心血管不良事件的预测因素,并将移植作为时变协变量。共有429名患者(48%)达到了预期的METs。在随访期间,93例(10%)发生了严重的心血管不良事件,525例(58%)接受了移植。达到预期的METs与主要不良心血管事件的减少独立相关(危险比[HR] 0.49;[95% CI 0.29-0.82], P=0.007),移植也是如此(HR, 0.52;[95% ci 0.30-0.91], p =0.02)。在移植前运动应激超声心动图上达到预期METs的患者具有良好的独立预后(HR, 0.78;[95% CI 0.32-1.92], P=0.59),且与随后的移植相似(HR, 0.97;[95% ci 0.42-2.25], p =0.95)。结论:移植前运动应激超声心动图预测的METs具有良好的预后,与后续肾移植无关,且程度相似。未来的研究应该评估运动训练对这一人群的益处。
{"title":"Prognostic Value of Exercise Capacity in Kidney Transplant Candidates","authors":"Sean Tan, Y. Thang, W. Mulley, K. Polkinghorne, S. Ramkumar, K. Cheng, J. Chan, J. Galligan, M. Nolan, A. Brown, S. Moir, J. Cameron, Stephen J. Nicholls, P. Mottram, N. Nerlekar","doi":"10.1161/JAHA.121.025862","DOIUrl":"https://doi.org/10.1161/JAHA.121.025862","url":null,"abstract":"Background Exercise stress testing for cardiovascular assessment in kidney transplant candidates has been shown to be a feasible alternative to pharmacologic methods. Exercise stress testing allows the additional assessment of exercise capacity, which may have prognostic value for long‐term cardiovascular outcomes in pre‐transplant recipients. This study aimed to evaluate the prognostic value of exercise capacity on long‐term cardiovascular outcomes in kidney transplant candidates. Methods and Results We retrospectively evaluated exercise capacity in 898 consecutive kidney transplant candidates between 2013 and 2020 who underwent symptom‐limited exercise stress echocardiography for pre‐transplant cardiovascular assessment. Exercise capacity was measured by age‐ and sex‐predicted metabolic equivalents (METs). The primary outcome was incident major adverse cardiovascular events, defined as cardiac death, non‐fatal myocardial infarction, and stroke. Cox proportional hazard multivariable modeling was performed to define major adverse cardiovascular events predictors with transplantation treated as a time‐varying covariate. A total of 429 patients (48%) achieved predicted METs. During follow‐up, 93 (10%) developed major adverse cardiovascular events and 525 (58%) underwent transplantation. Achievement of predicted METs was independently associated with reduced major adverse cardiovascular events (hazard ratio [HR] 0.49; [95% CI 0.29–0.82], P=0.007), as was transplantation (HR, 0.52; [95% CI 0.30–0.91], P=0.02). Patients achieving predicted METs on pre‐transplant exercise stress echocardiography had favorable outcomes that were independent (HR, 0.78; [95% CI 0.32–1.92], P=0.59) and of similar magnitude to subsequent transplantation (HR, 0.97; [95% CI 0.42–2.25], P=0.95). Conclusions Achievement of predicted METs on pre‐transplant exercise stress echocardiography confers excellent prognosis independent of and of similar magnitude to subsequent kidney transplantation. Future studies should assess the benefit on exercise training in this population.","PeriodicalId":17189,"journal":{"name":"Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87640868","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
期刊
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
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