Cardiopathie

心脏病
  • 文章类型: English Abstract
    背景:电风暴(ES)是与短期死亡率增加相关的严重心脏紧急情况。由于定义不一致,因此仍难以估计植入心脏复律除颤器(ICD)的患者中ES的真实发生率。临床表现是可变的,其管理是多学科的。
    目的:本研究的目的是分析一组植入ICD的患者的流行病学概况和演变,这些患者通过家庭监测系统检测到有电风暴。
    方法:这是一项单中心回顾性观察研究,其中包括14名植入ICD的患者,在2008年至2021年之间进行一级或二级预防。所有这些都是家庭监控。所有这些患者均通过家庭监测检测到ES,并通过ECG进行身份验证。
    结果:电风暴发作时患者的平均年龄为75.4±14.5岁,极端情况从49年到101年不等。大多数患者(n=11)为男性。他们中的大多数患有潜在的缺血性心肌病(n=12)。在三分之一的病例(n=5)中,患者被植入进行二级预防。电风暴与VT的反复发作有关。未检测到VF病例。晕厥是最常见的临床表现(4例)。九名患者接受了内部电击,每个患者平均4次电击。4例患者的触发因素为心肌缺血。大多数患者在心脏重症监护病房接受治疗。两名患者被送往重症监护病房。除了胺碘酮和β受体阻滞剂的抗心律失常治疗。9例患者接受了室性心动过速病灶消融。死亡率很高(在一半的病例中),主要是由于心源性休克。
    结论:这项研究表明OR仍然很罕见,但仍然与高死亡率相关。家庭监控可以更早地管理它们。
    BACKGROUND: Electrical storms (ES) are serious cardiac emergencies associated with increased short-term mortality. The true incidence of ES in patients with an implantable cardioverter defibrillator (ICD) is still difficult to estimate because of the heterogeneous definition. The clinical presentation is variable and its management is multidisciplinary.
    OBJECTIVE: The aim of the study was to analyze the epidemiological profile and evolution of a group of patients implanted with an ICD who had electrical storms detected by a home monitoring system.
    METHODS: This is a single-center retrospective observational study, which included 14 patients who were implanted with ICDs, for primary or secondary prevention between 2008 and 2021. All of them were followed by home monitoring. All these patients had an ES detected by home monitoring and authenticated by ECG.
    RESULTS: The mean age of the patients at the time of onset of the electrical storm was 75.4 ± 14.5 years, with extremes ranging from 49 to 101 years. Most of patients (n = 11) were male. The majority of them had underlying ischaemic cardiomyopathy (n = 12). In a third of cases (n = 5) patients were implanted for secondary prevention. The electrical storm was related to recurrent episodes of VT. No cases of VF were detected. Syncope was the most frequent clinical presentation (four patients). Nine patients received internal shocks, with an average of four shocks per patient. The triggering factor was myocardial ischaemia in four cases. Majority of patients were managed in the cardiac intensive care unit. Two patients were admitted to the intensive care unit. In addition to anti-arrhythmic treatment with amiodarone and beta blockers. Nine patients underwent ablation of ventricular tachycardia focus. Mortality was high (in half of the cases) mainly due to a cardiogenic shock.
    CONCLUSIONS: This study shows that OR remain rare, but are still associated with high mortality. Home monitoring makes it possible to manage them earlier.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    通过经胸多普勒超声心动图评估左心室舒张功能是基于多参数方法,其中包括频谱组织多普勒衍生的E/e'。最近,一个新的多普勒指数,E/(e\'xs\'),将E/e与频谱组织多普勒衍生的收缩功能标志物相结合,s\',已被提出用于左心室心肌功能障碍的无创评估。目前的文献提供的证据表明,E/(e\'xs\')与NTproBNP水平和有创左心室舒张末期压具有良好的相关性,两者都用作左心室心肌功能障碍的标志物,与左心室射血分数和室壁运动异常无关。更具体地说,E/(e\'xs\')在E/e\'中间值(8至15)的患者中具有良好的诊断准确性。据报道,平均E/(e\'xs\')>1.6可预测有创左心室舒张末期压>15mmHg,敏感性为86%,特异性为85%。目前的文献提供的证据表明,在收缩性心力衰竭和射血分数正常的心力衰竭患者中,E/(e\'xs\')可以提供比E/e'更好的预后信息,以及无症状心脏病患者。一些临床研究还表明,E/(e\'xs\')可以预测心脏复律后房颤的复发和急性心肌梗死后左心室重构。迫切需要进一步的实验和临床研究,以确定这种未被认可的组织多普勒指数在心血管疾病的非侵入性评估中的作用。尤其是射血分数正常的心力衰竭。
    Assessment of left ventricular diastolic function by transthoracic Doppler echocardiography is based on a multiparametric approach which includes the spectral tissue Doppler-derived E/e\'. Recently, a new Doppler index, E/(e\'xs\'), which combines E/e\' with a spectral tissue Doppler-derived marker of systolic function, s\', has been proposed in noninvasive assessment of left ventricular myocardial dysfunction. Current literature provides evidence that E/(e\'xs\') has good correlation with NT proBNP levels and invasive left ventricular end-diastolic pressure, both used as markers of left ventricular myocardial dysfunction, irrespective of left ventricular ejection fraction and wall motion abnormalities. More specifically, E/(e\'xs\') has good diagnostic accuracy in patients with intermediate values for E/e\' (8 to 15). Average E/(e\'xs\')>1.6 is reported to predict invasive left ventricular end-diastolic pressure>15mmHg with a sensitivity of 86% and a specificity of 85%. Current literature provides evidence that E/(e\'xs\') could offer better prognostic information than E/e\' in patients with systolic heart failure and heart failure with normal ejection fraction, as well as in patients with asymptomatic heart disease. A few clinical studies also suggest that E/(e\'xs\') could predict recurrence of atrial fibrillation after cardioversion and left ventricular remodeling after acute myocardial infarction. Further experimental and clinical investigation is critically needed to determine the role of this under-recognized tissue Doppler index in noninvasive assessment of cardiovascular diseases, in particular heart failure with normal ejection fraction.
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  • 文章类型: Journal Article
    The development of structural interventional catheterization for acquired or congenital heart disease was made possible through concomitant advances in catheterization techniques/tools and imaging techniques (fluoroscopy, ultrasound, magnetic resonance imaging and computed tomography). Imaging should provide an accurate view of the lesions and the surrounding cardiac structures, as well as the medical devices and catheters used. Here, we address the subject of image fusion. The principle of image fusion is based on the superposition of several imaging techniques: real-time fluoroscopy and multislice imaging performed offline or ultrasound imaging performed simultaneously. The goals are to improve the overall visualization of the organ and the surrounding structures, and to help the interventional cardiologist to interpret fluoroscopy images.
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  • 文章类型: Case Reports
    BACKGROUND: Laminopathies (diseases related to A/C mutations of lamines) are rare genetic diseases with an extensive phenotypic spectrum, including lipodystrophic syndromes-characterized by a selective loss of adipose tissue-of which the partial Dunnigan family type is the most frequent.
    METHODS: We report on a 55-year-old woman with diabetes and long-term disabling myalgia. Her cushingoid morphotype, associated with cutaneous lipo-atrophy and muscle hypertrophy in addition to a genetic heritage, led us to the diagnosis of complex partial familial lipodystrophy heterozygous LMNA_c.82C>T, p.Arg28Trp mutation.
    CONCLUSIONS: Familial partial lipodystrophic syndromes may have varied phenotypes, mainly cardio-metabolic, which could mimic a particularly severe type 2 diabetes. The diagnostic work-up of this disease has to include a careful investigation of gait troubles and paroxysmal conduction that could lead to sudden death, as well as a genetic examination. In some cases, recombinant leptin can be proposed.
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  • 文章类型: Journal Article
    OBJECTIVE: To describe epidemiological aspects of sudden cardiovascular death and to specify the etiopathogenic characteristics.
    METHODS: Our study is retrospective and descriptive. It included 361 cases of sudden cardiovascular death, which underwent autopsy in forensic medicine department of Monastir during eight years, from 1st January 2004 to 31st December 2011.
    RESULTS: The incidence of sudden cardiovascular death was 9 per 100,000 person. A marked male predominance was noted. The mean age was 55.75 years. In our series, myocardial infarction represents the leading cause of sudden cardiovascular death, 57.8% of cases. Other etiologies were hypertrophic cardiomyopathy (4.7%), heart failure (1.9%), arrhythmogenic right ventricular dysplasia (2.8%), valvular disease (2%), cardio-myo-pericarditis (1.9%), hydatid cyst of the heart (0.8%), ruptured aneurysm (2.5%), pulmonary embolism (1.9%) and aortic dissection (1.3%). A sudden cardiovascular death at work was found in 25 cases. These cases pose essentially a problem of imputability.
    CONCLUSIONS: Sudden cardiac death is usually the complication of underlying heart disease, sometimes overlooked. Several risk factors are involved. Sudden cardiac death in healthy heart or death caused by arrhythmia is an important entity seeking the intervention of several actors (forensic doctor, cardiologist, geneticist, media…) for prevention.
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  • 文章类型: Case Reports
    背景:贝伐单抗是一种针对VEGF-A的抗体。它被批准用于治疗许多癌症疾病。其副作用目前尚不为医生所熟知。
    方法:一名患有转移性结肠腺癌的70岁女性因昏迷进入重症监护病房,在接受含贝伐单抗的每月联合化疗4天后,奥沙利铂,5氟尿嘧啶,和第四次亚叶酸.在临床检查中,她表现为下肢痉挛和高血压。病因学调查,包括脑干密度测定,脑脊液检查,精神药物尿检,和脑电图,是阴性的。除了尼卡地平和乌拉地尔以外,没有任何其他治疗的意识得到改善,但患者最初感到困惑。脑磁共振成像显示改变提示后部可逆性脑病综合征,但也涉及额叶。还有其他生物学和超声心动图变化提示心脏受累。10天后,患者的心脏和神经系统表现完全恢复。
    结论:医师应注意贝伐单抗的心血管不良反应。必须治疗高血压,以避免更严重的并发症。当发生后部可逆性脑病综合征时,应调查心脏受累情况。
    BACKGROUND: Bevacizumab is an antibody directed against VEGF-A. It is approved for the treatment of many cancer diseases. Its side effects are currently not well known by physicians.
    METHODS: A 70-year-old female with metastatic colonic adenocarcinoma was admitted in the intensive care unit because of a coma, four days after having received a combined monthly chemotherapy containing bevacizumab, oxaliplatine, 5 fluorouracil, and folinic acid for the fourth time. On clinical examination, she presented with lower limbs spasticity and hypertension. Etiologic investigations, including cerebral tomodensitometry, cerebrospinal fluid examination, psychotropic drugs urinary testing, and electroencephalogram, were negative. Consciousness improved without any other treatment than nicardipine and urapidil, but the patient was initially confused. Cerebral magnetic resonance imaging showed changes suggestive of posterior reversible encephalopathy syndrome, but also involving frontal lobes. There were additional biological and echocardiographic changes suggestive of cardiac involvement. The patient recovered completely of both cardiac and neurologic manifestations 10 days later.
    CONCLUSIONS: Physicians should be aware of cardiovascular adverse effects of bevacizumab. High blood pressure must be treated to avoid more severe complications. When a posterior reversible encephalopathy syndrome occurs, cardiac involvement should be investigated.
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