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Cardiac: Left Ventricle Imaging Pearls - Educational Tools | CT Scanning | CT Imaging | CT Scan Protocols - CTisus
Imaging Pearls ❯ Cardiac ❯ Left Ventricle

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  • “Left ventricular (LV) pseudoaneurysm (PS) is an uncommon, often fatal complication associated with myocardial infarction, cardiothoracic surgery, trauma, and, rarely, infective endocarditis.”
    Giant left ventricular pseudoaneurysm.
    Prakash S et al.
    J Cardiovasc Comput Tomogr. 2010 Jul-Aug;4(4):284-5.
  • “ Majority of patients with the acute free wall rupture after the myocardial infarction die suddenly, but only a few of them developed ventricular pseudoaneurysm mostly when the rupture is subacute and confined by epicardium, pericardial adhesions and thrombus formation.Pseudoaneurysm can be developed in a few days after a myocardial infarction or even two years later. Pseudoaneurysm of the left ventricle (PSALV) after a silent myocardial infarction is very rare. Most frequently reported clinical symptoms of pseudoaneurysm are a heart failure (reported from 36 to 70%), a chest pain (30%) and a dyspnea (25%). Only 10–13% of patients with pseudoaneurysm are asymptomatic.”
    With computed tomography confirmed anterolateral left ventricular pseudoaneurysm in patient with dilatative alcoholic cardiomyopathy
    Letonja M, Letonja MS
    Radiol Oncol. Sep 2011; 45(3): 180–183.
  • “ The PSALV is a rare complication of myocardial infarction in which a ventricular free wall rupture at necrosis site and escape of blood are locally contained by adherent pericardium shaping the aneurysmatic sac. The sac progressively enlarges and its internal surface is covered by thrombus. Less often PSALV has been reported in association with cardiac trauma, myocarditis, infective endocarditis, cardiac surgery, rheumatic fever, syphilis and tuberculosis.”
    With computed tomography confirmed anterolateral left ventricular pseudoaneurysm in patient with dilatative alcoholic cardiomyopathy
    Letonja M, Letonja MS
    Radiol Oncol. Sep 2011; 45(3): 180–183.
  • “Most reports considered surgery as the appropriate treatment for PSALV since untreated pseudoaneurysms have an approximately 30% to 45% risk of rupture. Mortality rates are in patients who underwent surgery from 19% to 35% what was significantly lower than in those who were treated medically (48% to 55%). Operative mortality in most reports is related to the severity of the contractile dysfunction in the reminder of the ventricle.”
    With computed tomography confirmed anterolateral left ventricular pseudoaneurysm in patient with dilatative alcoholic cardiomyopathy
    Letonja M, Letonja MS
    Radiol Oncol. Sep 2011; 45(3): 180–183.
  • “ Overall, the most common causes of sudden cardiac deaths in young adults are, in descending order of frequency, hypertrophic cardiomyopathy, coronary artery anomalies with an interarterial or intramural course, and ARVC (arrhythmogenic right ventricular cardiomyopathy).”
    Congenital and Hereditary Causes of Sudden Cardiac Death in Young Adults: Diagnosis, Differential Diagnosis, and Risk Stratification
    Stojanovska J et al.
    RadioGraphics 2013;33:1977-2001
  • “False left ventricular aneurysms are uncommon and potentially fatal, usually requiring prompt surgical repair due to a 30%–45% lifetime risk of rupture. They commonly arise from the inferior wall of the left ventricle, secondary to myocardial rupture 5–10 days post infarction. False aneurysms in a sub-mitral location following replacement of the mitral valve and resection of the mitral valve apparatus have also been reported.”
    Incidental cardiac abnormalities on non- electrocardiogram-gated multi-detector computed tomography imaging of the thorax and abdomen
    Lim KC et al.
    Singapore Med J 2011; 52(12):906
  • “It is important to differentiate between true and false aneurysms due to the differences in management. In addition to the typical inferior locations, other CT features suggestive of a false aneurysm include narrow ostium (orifice to aneurysm diameter ratio < 0.5), discontinuity of the myocardium at the neck of the aneurysm and absence of coronary arteries overlying the aneurysm.”
    Incidental cardiac abnormalities on non- electrocardiogram-gated multi-detector computed tomography imaging of the thorax and abdomen
    Lim KC et al.
    Singapore Med J 2011; 52(12):906

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