نتایج جستجو برای: سندرم افزایش lge
تعداد نتایج: 191283 فیلتر نتایج به سال:
سندرم افزایش ige یک بیماری کمبود اولیه ایمنی است که تظاهرات اصلی آن آبسه های مکرر استافیلوکوکی و افزایش شدید مقدار ige سرم است. محل این آبسه ها در پوست، ریه ها، مفاصل و سایر نقاط بدن است و مخصوصا بدنبال پنومونی استافیلوکوکی، تمایل به تشکیل پنوماتوسلهای مقاوم وجود دارد. تاکنون علل ایمونولوژیک این بیماری نادر کمبود ایمنی ناشناخته است، ولی نوع نارسایی لنفوسیتهای t مطرح است که منجر به افزایش تعداد ...
HIE is a primary immunodeficiency characterized by recurrent staphylococcal abscesses and markedly elevated serum IgE concentrations. These abcesses involve the skin, lungs, joints, and other sites, and there is a unique tendency to form pneumatoceles following staphylococcal pneumonias. Although, there is as yet no clearly defined immunologic cause for this rare syndrome, but some form of T-Ce...
BACKGROUND Low scar-to-blood contrast in late gadolinium enhanced (LGE) MRI limits the visualization of scars adjacent to the blood pool. Nulling the blood signal improves scar detection but results in lack of contrast between myocardium and blood, which makes clinical evaluation of LGE images more difficult. METHODS GB-LGE contrast is achieved through partial suppression of the blood signal ...
BACKGROUND Routine clinical use of novel free-breathing, motion-corrected, averaged late-gadolinium-enhancement (moco-LGE) cardiovascular MR may have advantages over conventional breath-held LGE (bh-LGE), especially in vulnerable patients. METHODS AND RESULTS In 390 consecutive patients, we collected bh-LGE and moco-LGE with identical image matrix parameters. In 41 patients, bh-LGE was abando...
BACKGROUND Conventional bright blood late gadolinium enhancement (bright blood LGE) imaging is a routine cardiovascular magnetic resonance (CMR) technique offering excellent contrast between areas of LGE and normal myocardium. However, contrast between LGE and blood is frequently poor. Dark blood LGE (DB LGE) employs an inversion recovery T2 preparation to suppress the blood pool, thereby incre...
OBJECTIVES This study sought to assess the rate of progression of fibrosis by 2 consecutive cardiac magnetic resonance (CMR) examinations and its relation with clinical variables. BACKGROUND In hypertrophic cardiomyopathy (HCM) myocardial fibrosis, detected by late gadolinium enhancement (LGE), is associated to a progressive ventricular dysfunction and worse prognosis. METHODS A total of 55...
BACKGROUND Image-navigated 3-dimensional late gadolinium enhancement (iNAV-3D LGE) is an advanced imaging technique that allows for direct respiratory motion correction of the heart. Its feasibility in a routine clinical setting has not been validated. METHODS Twenty-three consecutive patients referred for cardiovascular magnetic resonance (CMR) examination including late gadolinium enhanceme...
School of Medicine of Ribeirao Preto University of Sao Paulo, Sao Paulo, Brazil Full list of author information is available at the end of the article Figure 1 Cardiovascular Magnetic Resonance Parameters in 3 Groups of HTX Patients according to the Presence and Pattern of LGE. Box plots of Ejection Fraction, LV EDV/BSA and LV ESV/BSA in LGE + Atypical Pattern, LGE + Typical Pattern and LGE Pat...
OBJECTIVE Late gadolinium enhancement (LGE) is not necessarily ideal for detecting diffuse myocardial fibrosis in idiopathic dilated cardiomyopathy (DCM). Since systolic blood pressure response (SBPR) during exercise has been proposed to reflect cardiac pump reserve in patients with heart failure, we wished to determine whether LGE plus SBPR is a better prognostic factor in patients with DCM. ...
BACKGROUND Cardiac sarcoidosis is associated with an increased risk of heart failure and sudden death, but its risk in patients with preserved left ventricular ejection fraction is unknown. Using cardiovascular magnetic resonance in patients with extracardiac sarcoidosis and preserved left ventricular ejection fraction, we sought to (1) determine the prevalence of cardiac sarcoidosis or associa...
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