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Understanding the Pressure-Volume Loop in Valvular Heart Disease 了解瓣膜性心脏病的压力-容量环路。
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01 DOI: 10.1016/j.hlc.2025.05.101
Mohammad Sarraf MD , Omar Chehab MD , Vinayak Nagaraja MBBS, MBiostat, FRACP
Pressure-volume (PV) loop analysis remains the gold standard for studying cardiac physiology by offering a comprehensive analysis and quantitative assessment of the heart. The PV loop analysis uncovers the complex interplay between pressure and volume within the ventricle during each cardiac cycle and provide clinicians and researchers with invaluable insights into the efficiency and performance of the heart. By plotting ventricular pressure against ventricular volume, PV loops create a closed curve, signifying the dynamic changes occurring throughout the entire cardiac cycle. This review examines the importance of mastering the fundamentals of the PV loop and understanding valvular heart disease impacting the left heart.
通过对心脏进行全面的分析和定量评估,压力-体积(PV)环分析仍然是心脏生理学研究的金标准。PV环分析揭示了每个心脏周期中心室内压力和容积之间复杂的相互作用,为临床医生和研究人员提供了关于心脏效率和性能的宝贵见解。通过绘制心室压力与心室容积的关系,PV回路形成了一条闭合曲线,表示整个心脏周期发生的动态变化。本文综述了掌握PV环基础知识和了解影响左心的瓣膜性心脏病的重要性。
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引用次数: 0
Factors Facilitating Participation of Older Adults With Chronic Lung Disease in Community-Based, Peer-Support Exercise Programs: A Metasynthesis 促进老年慢性肺病患者参与社区同伴支持运动项目的因素:一项综合研究
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01 DOI: 10.1016/j.hlc.2025.07.011
Rebekkah Middleton RN, MN(Res), PhD , Christine Metusela PhD , Patricia M. Davidson RN, PhD

Background & Aim

Community-based peer-support exercise programs are important for enhancing the quality of life for older people with chronic lung disease. Given the strong evidence base for these programs, it is important to have a strong understanding of the factors that facilitate participation and engagement from the perspective of participants. This study aimed to derive empirical evidence from qualitative studies on the facilitating factors supporting the participation of older people with chronic lung disease in community-based peer-support exercise programs.

Methods

Five online databases (Scopus, Medline, CINAHL, PsychInfo, and Web of Science) were searched post-2012. Data were analysed using Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. Studies were assessed for quality and data extracted. Results were synthesised using qualitative metasynthesis techniques.

Results

A total of 12 studies met the inclusion criteria and were included in the review. Three themes were identified as facilitators that support the participation of older people with chronic lung disease in community exercise programs: 1. benefits of pulmonary rehabilitation, with subthemes of health benefits, psychosocial benefits, supportive safe environment, and sustained benefits; 2. barriers to pulmonary rehabilitation, with subthemes of access barriers and personal barriers; and 3. overcoming barriers and building resilience, with subthemes building knowledge and awareness and regaining independence.

Conclusions

The review highlights that physical and psychosocial benefits of pulmonary rehabilitation community-based exercise programs for older people with chronic lung disease are facilitators for participation. Peer support in understanding the experiences of others can help increase engagement. There is a need to construct approaches that address the social determinants of health in overcoming barriers to participation in community peer-support exercise programs. A limitation is a risk of losing the nuances of contextual and theoretical aspects of individual studies.
背景与目的:以社区为基础的同伴支持运动项目对提高老年慢性肺病患者的生活质量非常重要。鉴于这些项目有强有力的证据基础,从参与者的角度对促进参与和参与的因素有一个深刻的理解是很重要的。本研究旨在从定性研究中获得支持慢性肺病老年人参与社区同伴支持运动项目的促进因素的经验证据。方法:检索2012年后的Scopus、Medline、CINAHL、PsychInfo和Web of Science 5大数据库。使用系统评价和元分析指南的首选报告项目对数据进行分析。评估了研究的质量和提取的数据。结果采用定性合成技术合成。结果:共有12项研究符合纳入标准并被纳入本综述。三个主题被确定为支持患有慢性肺病的老年人参与社区锻炼计划的促进因素:1。肺康复的益处,分主题为健康益处、社会心理益处、支持性安全环境和持续益处;2. 肺部康复障碍,分主题为获取障碍和个人障碍;和3。克服障碍,建立复原力,分主题是建立知识和意识,重获独立。结论:该综述强调,肺康复社区运动项目对慢性肺病老年人的身体和心理社会益处是促进参与的因素。在理解他人经历方面的同伴支持有助于提高参与度。有必要建立解决健康的社会决定因素的方法,以克服参与社区同伴支持运动项目的障碍。限制是一种失去个体研究的背景和理论方面的细微差别的风险。
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引用次数: 0
Stepwise Approach to Ventricular Tachycardia Ablation in Structural Heart Disease 结构性心脏病室性心动过速消融的逐步方法。
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01 DOI: 10.1016/j.hlc.2025.07.013
Juan Mundisugih MBBS , Ashwin Bhaskaran MBBS, MSc , Kaimin Huang MBBS , Kasun De Silva MBBS , Samual Turnbull BSc , Tai Chung So MBBS , Kenji Hashimoto MD, PhD , Anunay Gupta MD, DM , Richard G. Bennett BSc, MBChB, PhD , Yasuhito Kotake MD, PhD , Max Bickley BSc , Timothy Campbell BSc, PhD , Saurabh Kumar MBBS, PhD
Catheter ablation has emerged as a pivotal therapeutic strategy for managing scar-related ventricular tachycardia (VT) in patients with structural heart disease (SHD). However, VT ablation can be complex and challenging because of the nature of VT circuit configurations and their interplay with the underlying SHD. This review outlines our systematic approach to VT ablation within the context of SHD, focusing on preprocedural assessment, procedural techniques, and postprocedural care. By adopting a systematic approach and leveraging technological advancements, successful VT ablation outcomes can be achieved in patients with SHD.
导管消融已成为治疗结构性心脏病(SHD)患者瘢痕相关性室性心动过速(VT)的关键治疗策略。然而,由于VT电路结构的性质及其与潜在SHD的相互作用,VT消融可能是复杂和具有挑战性的。这篇综述概述了我们在SHD背景下对室速消融的系统方法,重点是术前评估、手术技术和术后护理。通过采用系统的方法和利用技术的进步,可以在SHD患者中获得成功的VT消融结果。
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引用次数: 0
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01
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引用次数: 0
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01
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引用次数: 0
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01
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引用次数: 0
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01
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引用次数: 0
Corrigendum to: “Gene Therapy for Catecholaminergic Polymorphic Ventricular Tachycardia” [Heart Lung Circ. 32(7), (2023) 790–797.] “儿茶酚胺能多态性室性心动过速的基因治疗”[心肺杂志32(7),(2023)790-797]的更正。
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01 DOI: 10.1016/j.hlc.2025.12.010
Paloma Remior Pérez MD a,b, Robyn J. Hylind MS, CGC a, Thomas M. Roston MD, PhD a,c, Vassilios J. Bezzerides MD, PhD a,1,∗∗, Dominic J. Abrams MBBS, MD, MBA a,1,∗
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引用次数: 0
Innovations in Cardiovascular Care: From AI to Community Support, Celebrating 35 Years of Heart Lung and Circulation 心血管护理创新:从人工智能到社区支持,庆祝心肺循环35周年
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01 DOI: 10.1016/j.hlc.2025.12.005
Salvatore Pepe PhD, FAHA, FESC, FCSANZ
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引用次数: 0
Long-Term Outcomes of Dor Versus Cooley Procedure in Patients With Post-Infarction Left Ventricular Aneurysm Repair: A Propensity Score-Matched Study Dor与Cooley手术在梗死后左心室动脉瘤修复患者中的长期预后:一项倾向评分匹配的研究。
IF 2.2 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2026-01-01 DOI: 10.1016/j.hlc.2025.04.089
Andrey V. Protopopov MD , Alexander V. Bogachev-Prokophiev MD, PhD , Alexander V. Afanasyev MD, PhD , Dmitry A. Sirota MD, PhD , Sergey Ye. Khrushchev PhD , Pavel S. Ruzankin PhD , Maxim O. Zhulkov MD, PhD , Aleksandr M. Chernyavskiy MD, PhD

Aim

The optimal surgical strategy for patients with post-infarction left ventricular aneurysms remains unclear. The superiority of the Dor technique over the Cooley repair has not been demonstrated in terms of long-term outcomes. This study aimed to compare the clinical outcomes between the Dor and Cooley repair techniques.

Methods

Patients who underwent left ventricular repair between 2003 and 2021 were retrospectively recruited. All the patients underwent left ventricular aneurysm repair and coronary artery bypass grafting. For comparative assessment of outcomes between the Cooley and Dor groups, 1:2 propensity score matching was applied. The primary study endpoint was long-term mortality, whereas the secondary endpoints included major adverse cardiac and cerebrovascular events (MACCEs), defined as a combination of cardiac death, myocardial infarction, stroke, readmission due to nonfatal myocardial infarction, and repeat revascularisation.

Results

The median follow-up period was 106 months (interquartile range: 41–148). Eight hospital deaths (2.1%) occurred in the Cooley group and 11 (5.1%) in the Dor group within 30 days postoperatively. For the entire follow-up period, the Dor group had lower mortality (hazard ratio [HR] 0.67; 95% confidence interval [CI] 0.45–0.99; p=0.043) and greater freedom from myocardial infarction (HR 0.41; 95% CI 0.18–0.93; p=0.033). The overall incidence of MACCEs was significantly lower in the Dor group (HR 0.65; 95% Cl 0.48–0.88; p=0.005). The Dor group showed a notably lower readmission rate (HR 0.63; 95% Cl 0.42–0.94; p=0.022).

Conclusions

For long-term survival and MACCEs, the Dor procedure demonstrated better outcomes than the Cooley reconstruction.
目的:梗死后左心室动脉瘤的最佳手术策略尚不清楚。Dor技术相对于Cooley修复的优越性尚未在长期结果方面得到证实。本研究旨在比较Dor和Cooley修复技术的临床效果。方法:回顾性招募2003年至2021年间接受左心室修复的患者。所有患者均行左室动脉瘤修复术和冠状动脉搭桥术。为了比较Cooley组和Dor组之间的结果,采用1:2倾向评分匹配。主要研究终点是长期死亡率,而次要终点包括主要心脑血管不良事件(MACCEs),定义为心源性死亡、心肌梗死、中风、非致死性心肌梗死再入院和重复血运重建的组合。结果:中位随访时间为106个月(四分位数范围:41-148)。Cooley组术后30天内有8例(2.1%)住院死亡,Dor组有11例(5.1%)住院死亡。在整个随访期间,Dor组的死亡率较低(风险比[HR] 0.67; 95%可信区间[CI] 0.45-0.99; p=0.043),心肌梗死发生率较高(HR 0.41; 95% CI 0.18-0.93; p=0.033)。Dor组MACCEs总发生率显著降低(HR 0.65; 95% Cl 0.48-0.88; p=0.005)。Dor组再入院率明显低于对照组(HR 0.63; 95% Cl 0.42-0.94; p=0.022)。结论:对于长期生存和MACCEs, Dor手术比Cooley重建显示出更好的结果。
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引用次数: 0
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Heart, Lung and Circulation
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