Cardiac Resynchronization Therapy pdf epub mobi txt 电子书 下载 2026

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出版者:Blackwell Pub

作者:Yu, Cheuk-man (EDT)/ Hayes, David L. (EDT)/ Auricchio, Angelo (EDT)

出品人:

页数:334

译者:

出版时间:

价格:104.95

装帧:HRD

isbn号码:9781405142823

丛书系列:

图书标签:

• 心脏再同步化治疗
• 心力衰竭
• 心电生理学
• 起搏器
• 除颤器
• 心脏疾病
• 介入治疗
• 电生理学
• 临床电生理学
• 心脏功能不全

Advanced Topics in Molecular Cardiology: A Comprehensive Review Foreword This volume represents a significant contribution to the field of advanced molecular cardiology, synthesizing decades of research into a cohesive framework for understanding cardiac function at the subcellular and molecular levels. It moves beyond traditional anatomical descriptions to explore the intricate signaling pathways, genetic underpinnings, and novel therapeutic targets that define the modern approach to cardiovascular disease management. The editors have curated a collection of chapters written by leading international experts, ensuring that the material is both rigorously scientific and clinically relevant. This text is intended for advanced cardiology fellows, research scientists, and established clinicians seeking a deep, mechanistic understanding of heart muscle biology and pathology. --- Part I: Foundations of Cardiac Myocyte Biology Chapter 1: The Sarcomere Re-Examined: Contractile Apparatus Dynamics This chapter provides an in-depth analysis of the sarcomere, the fundamental contractile unit of the cardiomyocyte. It goes beyond the classic sliding filament model to explore the dynamic interplay of key regulatory proteins. Detailed focus is given to the role of the myosin heavy chain isoforms ($alpha$-MHC and $eta$-MHC) in regulating force generation and energy expenditure, particularly in the context of physiological hypertrophy versus pathological remodeling. We examine the structure and function of the thick and thin filaments, including the precise regulatory roles of troponin and tropomyosin complexes, utilizing recent cryogenic electron microscopy (cryo-EM) data to illustrate conformational changes under various calcium loads. Specific attention is paid to the titin-based passive stiffness mechanisms and how titin's elastic properties are modulated by post-translational modifications (PTMs), such as phosphorylation by kinases like $ ext{PKA}$ and $ ext{PKC}$. Chapter 2: Calcium Handling and Excitation-Contraction (E-C) Coupling Fidelity A thorough dissection of the calcium transient is presented, emphasizing the spatial and temporal control required for effective cardiac contraction and relaxation. This section meticulously details the molecular machinery: the L-type calcium channel ($ ext{L-Type } ext{Ca}^{2+} ext{ Channel}$, $ ext{Cav}1.2$), the ryanodine receptor ($ ext{RyR2}$) as the primary calcium release channel, and the sarcoplasmic reticulum $ ext{Ca}^{2+}$-$ ext{ATPase}$ ($ ext{SERCA2a}$) for calcium sequestration. We delve into the critical role of the sodium-calcium exchanger ($ ext{NCX}$) in calcium efflux and its bidirectional behavior under pathological conditions. The concept of "calcium clock" synchronization and the impact of microdomain signaling, involving the $ ext{Caveolae}$ and associated scaffolding proteins ($ ext{e.g.}$, $ ext{Filamin C}$), on ensuring precise $ ext{E-C}$ coupling fidelity are explored through experimental models. Chapter 3: Mitochondrial Bioenergetics and Cardiac Energetics The heart's unparalleled reliance on oxidative phosphorylation is the focus of this chapter. We analyze the structure and function of cardiac mitochondria, detailing the electron transport chain (ETC) complexes and the regulation of the $ ext{ATP}$ synthase. Significant space is dedicated to the substrate preference shift observed in failing hearts—the transition from fatty acid oxidation ($ ext{FAO}$) dominance to glucose utilization—and the molecular mechanisms driving this metabolic inflexibility. Emerging concepts regarding mitochondrial dynamics, including fusion and fission regulated by $ ext{Mfn1/2}$ and $ ext{Drp1}$, respectively, and their impact on cellular quality control are discussed. Furthermore, the role of the mitochondrial permeability transition pore ($ ext{mPTP}$) in orchestrating intrinsic apoptosis pathways is examined in detail. --- Part II: Molecular Basis of Pathophysiology Chapter 4: Genetic Determinants of Cardiomyopathy This chapter provides a comprehensive review of the molecular genetics underpinning inherited cardiomyopathies. We categorize the defects based on the affected sarcomeric or cytoskeletal component: dilated cardiomyopathy ($ ext{DCM}$), hypertrophic cardiomyopathy ($ ext{HCM}$), and restrictive cardiomyopathy ($ ext{RCM}$). Specific emphasis is placed on the functional consequences of mutations in genes such as MYH7, MYBPC3, TNNT2, and those affecting nuclear envelope components (e.g., LMNA). Advanced sequencing techniques, including whole-exome sequencing ($ ext{WES}$) and its application in stratifying risk, are reviewed. The chapter also addresses the complex, non-Mendelian inheritance patterns observed in some familial forms. Chapter 5: Signaling Pathways in Cardiac Remodeling and Fibrosis Cardiac remodeling is fundamentally a maladaptive molecular response. This section explores the critical signaling cascades activated by biomechanical stress and neurohormonal stimulation. We focus on the $ ext{Gq}$ and $ ext{G extbetagamma}$ protein-coupled receptor pathways, detailing the downstream activation of $ ext{MAPK}$ cascades ($ ext{ERK}, ext{p38}, ext{JNK}$) and their roles in hypertrophy and apoptosis. A substantial portion is devoted to the mechanisms of cardiac fibrosis. This includes the activation of cardiac fibroblasts, the role of $ ext{TGF-eta}$ superfamily signaling in driving the differentiation into myofibroblasts, and the complex regulation of the extracellular matrix ($ ext{ECM}$) turnover via matrix metalloproteinases ($ ext{MMPs}$) and their tissue inhibitors ($ ext{TIMPs}$). Chapter 6: Ischemia-Reperfusion Injury: Molecular Triggers and Protective Mechanisms Understanding the molecular cascade initiated by oxygen deprivation and subsequent reoxygenation is crucial for clinical management. This chapter dissects the primary molecular events during ischemia, including ATP depletion, acidosis, and the opening of the $ ext{mPTP}$. The reperfusion phase is analyzed through the lens of oxidative stress generation, specifically the role of $ ext{NADPH}$ oxidases ($ ext{NOXs}$) in producing reactive oxygen species ($ ext{ROS}$). We explore intrinsic cardioprotective strategies, focusing on the signaling pathways involved in ischemic preconditioning (IPC) and postconditioning, highlighting the involvement of the $ ext{K}_{ ext{ATP}}$ channel in conferring cellular resilience. --- Part III: Translational Frontiers and Novel Therapeutics Chapter 7: Epigenetic Regulation in Cardiovascular Disease This chapter bridges basic science and clinical translation by examining how environmental factors and disease states alter gene expression without changing the underlying $ ext{DNA}$ sequence. Detailed mechanistic studies on $ ext{DNA}$ methylation, histone modification (acetylation, methylation, phosphorylation), and the function of long non-coding $ ext{RNAs}$ ($ ext{lncRNAs}$) in regulating pathological gene programs are presented. Specific attention is given to $ ext{lncRNAs}$ implicated in hypertrophy and vascular inflammation, offering new avenues for targeted epigenetic modulation. Chapter 8: Gene Therapy and Nucleic Acid Delivery Systems The application of molecular tools to treat genetic heart disease is rapidly advancing. This section reviews the current landscape of cardiac gene therapy. We discuss the delivery vectors—focusing on optimized adeno-associated viruses ($ ext{AAVs}$) for cardiac tropism and safety profiles—and the targets being pursued, such as augmenting $ ext{SERCA2a}$ expression or inhibiting detrimental signaling molecules. A substantial section is dedicated to newer modalities, including antisense oligonucleotides ($ ext{ASOs}$) and small interfering $ ext{RNAs}$ ($ ext{siRNAs}$) designed to silence disease-causing genes or restore beneficial protein function post-transcriptionally. The chapter critically evaluates the challenges in achieving efficient and sustained gene transfer in the mature myocardium. Chapter 9: Small Molecule Modulation of Ion Channels and Excitable Tissue This final chapter reviews the rational design and optimization of small molecule drugs targeting cardiac excitability beyond standard antiarrhythmics. Focus is placed on novel modulators for potassium channels ($ ext{K}_{ ext{v}}$ channels) implicated in inherited arrhythmia syndromes (e.g., $ ext{LQTS}, ext{SQTS}$) and the development of selective modulators for specific $ ext{Ca}^{2+}$ regulatory proteins. Discussions include the pharmacological manipulation of the $ ext{NCX}$ to optimize calcium efflux in heart failure models and the emerging field of targeted kinase inhibitors designed to interrupt maladaptive signaling loops without broadly affecting essential housekeeping functions. The chapter concludes with a forward-looking perspective on precision pharmacology guided by an individual's molecular phenotype.

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说实话，我对医学的了解并不算深入，但“心脏再同步化治疗”这个书名，听起来就有一种能够“拯救”心脏、让它重新焕发生机的感觉。我很好奇，这是一种什么样的治疗方法？它是否能帮助那些心力衰竭的患者，让他们不再那么喘不上气，精力不济？我猜想，这应该是一种比较现代的治疗手段，可能涉及到一些电子设备。书中是否会解释，为什么有些人的心脏跳动会变得“不同步”，以及这种“不同步”会对身体造成什么样的影响？我更想知道，CRT这个治疗方法是如何具体操作的，比如是不是需要做一个小手术，然后植入一个东西在身体里？它会不会像修补一个损坏的机器零件一样，让心脏重新协调一致地工作？我希望这本书能够用一种比较容易理解的方式，给我讲清楚这个过程，让我这个外行人也能明白，这项技术是如何为患者带来福音的。

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当我看到这本书的题目时，我脑海中浮现出一个画面：心脏如同一个精密的乐器，而“心脏再同步化治疗”则像是一位高明的指挥家，能够让所有乐器在最恰当的时机发出最和谐的声音。我一直对人体复杂的生理机制着迷，而心脏作为生命跳动的核心，其功能的恢复和优化更是吸引我。我猜测，这本书大概会深入探讨心肌收缩不同步的病理机制，并详细阐述CRT技术如何通过电生理调控来纠正这种失序。我想知道，CRT设备是如何精确地识别并干预异常的心脏电信号的？它的工作原理是怎样的？书中是否会涵盖不同类型CRT设备的介绍，例如双心室起搏、三心室起搏等，以及它们各自的适应症和技术优势？另外，我也对CRT治疗的长期效果和潜在并发症感到好奇，希望书中能有相关的讨论，为我提供一个全面的认知。

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我是一名对科技在医疗领域应用充满热情的人，而“心脏再同步化治疗”这个书名，立刻点燃了我对前沿医疗技术的好奇心。我直觉地认为，这本书很可能是在介绍一种通过精密的技术手段，来改善心脏功能，特别是针对心力衰竭等疾病的治疗方法。我非常想了解，这种“再同步化”具体指的是什么？它是否涉及到某种植入式电子设备，类似于我们在电影或新闻里看到的那种帮助心脏维持正常跳动的装置？如果是的话，那么这种装置是如何工作的？它又是如何实现“再同步”的呢？我更感兴趣的是，这种疗法在技术层面上是如何实现的，比如它是否运用了先进的算法来分析心脏的电信号，并根据分析结果进行精确的调控？这本书是否会深入到CRT设备的设计原理、植入过程以及术后的数据监测等方面？我想知道，这项技术是如何帮助那些心脏功能减弱的患者，重新获得更好的生活质量。

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初拿到这本书，我抱着极大的期待。封面设计简洁，色调沉稳，给人一种专业且值得信赖的感觉。我最近在关注心脏健康领域的一些进展，尤其是关于心力衰竭的治疗，而“心脏再同步化治疗”这个概念本身就充满了吸引力。我曾经听过一些医生提及这项技术，但了解得并不深入。我希望这本书能系统地介绍这项疗法的原理，比如它是如何通过起搏器来改善心肌收缩不同步的问题，以及它在实际临床应用中的具体流程。我特别好奇，对于不同类型的心力衰竭患者，CRT（心脏再同步化治疗）的适用性和效果会有哪些差异？书中是否会深入探讨患者的选择标准，比如射血分数、QRS波群宽度、心肌瘢痕等关键指标？此外，作为读者，我更希望看到一些实际的病例分析，能够生动地展示CRT是如何改变患者的生活质量，让他们重新获得活力。不知道这本书会不会包含一些关于CRT植入手术的技术细节，以及术后的管理和随访策略？这些都是我非常关心的问题，我期待能从中获得一些启发和知识。

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我是一名对医学领域充满好奇的普通读者，偶然间在书店瞥见了这本书的标题——“心脏再同步化治疗”。这个术语对我来说相当陌生，但“心脏”、“再同步化”、“治疗”这些词语组合在一起，立刻勾起了我的兴趣。我猜想，这本书应该是在讲述一种能够帮助心脏恢复正常节律的先进医疗技术。我非常想知道，这种“再同步化”究竟是如何实现的？它是否涉及到某种特殊的电子设备，就像心律失常患者使用的那种起搏器一样？如果真是如此，那么这种疗法与传统的起搏器治疗又有什么区别呢？我希望书中能用通俗易懂的语言，向我解释清楚其中的原理，哪怕是通过一些形象的比喻。此外，我也很好奇，这种治疗方法主要针对的是哪些心脏疾病？是所有类型的心力衰竭都可以受益，还是只适用于特定的情况？书中是否会介绍一些成功案例，让我看到这项技术是如何为患者带来希望的？我希望这本书能够打开我认识心血管疾病治疗新视角的大门。

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