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Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

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Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

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Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

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Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo
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炎症性织物心肌病证明使用同时 [

Christopher Orsborne1,2,3, Jose M Anton-Rodrigez1, Neal Sherratt1

  • 1Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom.

JACC. Case reports
|June 7, 2023
PubMed
概括
此摘要是机器生成的。

在法布里病中,可以使用[18F]-氧葡萄糖正子发射断层扫描和心磁共振来识别活跃的心肌炎症. 这种炎症与晚期加多增强有关,表明潜在的早期治疗窗口.

关键词:
费布里病是什么意思 费布里病是什么意思[18F] - - 氧葡萄糖正子辐射断层扫描心血管磁共振是一种心血管磁共振.心肌纤维化是心肌纤维化的一种.心肌炎炎症是心肌的炎症.

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科学领域:

  • 心血管成像 - 心血管成像
  • 核医学是一种核医学.
  • 心肌病心脏病变的疾病.

背景情况:

  • 费布里病是一种遗传性溶酶体储存障碍,可能导致严重的心脏并发症.
  • 心肌炎症和纤维化是法布里病心肌病变的关键病理特征.
  • 准确评估活跃炎症对于及时的治疗干预至关重要.

研究的目的:

  • 通过使用混合成像来调查法布里病中活跃心肌炎症的存在和程度.
  • 确定心肌活性炎症与心磁共振 (CMR) 上晚期加多增强 (LGE) 之间的关系.
  • 为了识别Fabry病心肌病变的早期炎症表型.

主要方法:

  • 混合成像结合了[18F]-氧葡萄糖正子发射断层扫描 (FDG-PET) 和心磁共振 (CMR).
  • 对心肌FDG吸收的评估,以量化活性炎症.
  • 在CMR上评估LGE模式和程度,以评估心肌纤维化和损伤.

主要成果:

  • 混合成像成功地在患有法布里病的患者中发现了活跃的心肌炎症.
  • 在活跃的心肌炎炎症 (FDG吸收) 和LGE程度之间发现了显著的相关性.
  • 研究结果表明,LGE可能部分代表心肌活性炎症.

结论:

  • 混合[18F]-FDG-PET/CMR成像在检测法布里病中的活跃心肌炎症方面是有效的.
  • 在法布里病中,晚期加多增强与活跃的炎症有关,表明早期的表型.
  • 这种早期的炎症阶段可能代表一个关键的治疗窗口在不可逆转的心肌损伤发生之前.