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Heart Failure I: Introduction01:27

Heart Failure I: Introduction

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Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
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Heart Failure II: Pathophysiology01:29

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Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
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Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

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Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
887
Pathophysiology of Heart Failure01:17

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Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Heart Failure V: Medical Management01:30

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Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
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Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
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退伍军人中抑郁症和人类免疫缺陷病毒感染是心力衰竭的危险因素:退伍军人老龄化队列研究

Jessica R White1, Chung-Chou H Chang1, Kaku A So-Armah1

  • 1From Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, PA (J.R.W.); Department of Medicine, University of Pittsburgh School of Medicine, PA (C.-C.H.C.); Department of Medicine, Boston University, MA (K.A.S.-A.); Department of Psychology, Indiana University-Purdue University Indianapolis (J.C.S., T.K.); Department of Medicine, Indiana University School of Medicine, Indianapolis (S.K.G.); Hamad Healthcare Quality Institute, Doha, Qatar (A.A.B.); Hamad Medical Corporation, Doha, Qatar (A.A.B.); VA Medical Center, Washington, DC (C.L.G.); Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA (D.R.); Atlanta VA Medical Center, Decatur, GA (D.R.); Infectious Diseases Section, Michael E. DeBakey VAMC and Department of Medicine, Baylor College of Medicine, Houston, TX (M.C.R.-B.); UCLA School of Medicine and Division of General Medicine, Greater Los Angeles VA Healthcare System, CA (D.A.L.); Department of Medicine, VA North Texas Health Care System, Dallas (R.J.B.); Division of Cardiology, University of Maryland Medical Center, Baltimore (J.S.G.); Department of Medical and Clinical Psychology, Tilburg University, The Netherlands (W.J.K.); Department of Medicine, University of Maryland School of Medicine, Baltimore (S.S.G.); Los Angeles Biomedical Research Institute, Torrance, CA (M.J.B.); Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN (H.T.); Yale University School of Medicine, New Haven, CT (A.C.J.); Veterans Affairs Connecticut Health Care System, West Haven Veterans Administration Medical Center, CT (A.C.J.); and Cardiovascular Medicine Division, Vanderbilt University School of Medicine and Tennessee Valley Healthcare System, Nashville, TN (M.S.F.).

Circulation
|September 12, 2015
PubMed
概括

大型抑郁症 (MDD) 在艾滋病毒感染的成年人中显著增加心力衰竭 (HF) 的风险. 在艾滋病毒阳性个体中治疗MDD对于减少HF发病率和改善心血管健康至关重要.

关键词:
艾滋病毒抑郁症流行病学心脏衰竭

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科学领域:

  • 心脏病学
  • 传染性疾病
  • 精神病学

背景情况:

  • 艾滋病毒感染和严重抑郁症 (MDD) 都独立地与心力衰竭 (HF) 的风险增加有关.
  • 在艾滋病毒感染的成年人中,MDD是一种常见的并发症,可能会加剧HF风险.

研究的目的:

  • 在一个大群体中评估艾滋病毒,MDD和发生性肝炎之间的关联.
  • 确定MDD是否是HIV+成年人中HF的独立风险因素.

主要方法:

  • 包括81,427名参与者的退伍军人老龄化队列研究 (VACS) 的分析.
  • 分为四组:没有MDD的HIV,有MDD的HIV,没有MDD的HIV+和有MDD的HIV+.
  • 使用国际疾病分类,MDD和HF诊断的第九版代码,随访时间中位数为5.8年.

主要成果:

  • 患有MDD的HIV+参与者心力衰竭 (HF) 发生率最高 (每1000人年9. 32).
  • 与没有MDD的HIV+个体相比,HF的风险显著更高 (aHR,1. 68).
  • 在HIV (aHR, 1.21) 和HIV+ (aHR, 1.29) 组中,MDD是HF的独立风险因素. 抗抑郁药的使用与HF风险降低有关.

结论:

  • 大型抑郁症是艾滋病毒感染成人的独立风险因素.
  • 强调在艾滋病毒感染者群体中识别和管理MDD的必要性.
  • 需要进一步研究以阐明机制,并制定减少HF发病率和死亡率的干预措施.