نتایج جستجو برای: aortic coarctation
تعداد نتایج: 113296 فیلتر نتایج به سال:
1 Campbell M. Natural history of coarctation of the aorta. Br Heart J 1970; 32:633–640 2 Perloff JK. Coarcation of the aorta. In: The clinical recognition of congenital heart disease. Philadelphia, PA: W.B. Saunders, 1999; 132–169 3 Behl PR, Sante P, Blesovsky A. Isolated coarctation of the aorta: surgical treatment and late results: eighteen years’ experience. J Cardiovasc Surg 1988; 29:509–51...
To establish an integrated non-invasive method for diagnosing coarctation, cross-sectional echocardiographic appearances of 48 neonates and infants with coarctation were combined with clinical information on the peripheral pulses. Measurements of the ascending aorta, aortic arch, and isthmus were made and compared with those from controls matched for weight and age. Confirmation of the coarctat...
Atypical locations for aortic coarctation have been previously described. However, to our knowledge, no case has been described of a rapidly progressive dilated cardiomyopathy caused by an atypical coarctation, with a rapid normalisation of ventricular function after treatment.
Flow of a blood analog is modeled through a patient-specific aortic coarctation using ANSYS Fluent software. Details of the patient data (aortic geometry and prescribed flow conditions) were provided by the MICCAI-STACOM CFD Challenge website. The objective is to predict a blood pressure difference across the rigid coarctation under both rest and exercise (stress) conditions. The supplied STL g...
Uncorrected coarctation is rare and is known to cause hypertension in adult patients. Retrospective observational studies showed hypertension and occasionally aortic dissection to be the principal risks during pregnancy after correction of aortic coarctation. We present a case of a patient with known hypertension, who presented at 32 weeks of gestation. A saccular aortic aneurysm of 4.5 × 8.8 c...
In eight humans with coarctation, fresh aortic tissue was examined pharmacodynamically. In four of these patients, and in 12 additional patients, the aorta above and below the coarctation was studied morphologically and compared with eight control aortas. By in vitro stimulation with potassium (127 mM), noradrenaline (18 usM), and prostaglandin F,. (28 M), postcoarctational aortic ring preparat...
BACKGROUND Partial anomalous pulmonary venous connection (PAPVC) without an atrial septal defect (ASD) associated with coarctation of the aortic arch is a rare congenital cardiac anomaly. This rare combination is only described in a few studies; none report the correction of these two malformations in a single surgery. CASE PRESENTATION A 5-year-old girl was admitted to our hospital because t...
Coarctation of the aorta is a congenital heart disease defined as an obstruction of the aorta distal to the left subclavian artery (between the aortic arch and descending aorta). It is usually associated with other diseases such as bicuspid and tricuspid aortic stenosis. If the coarctation remains uncorrected it can lead to hypertension, left ventricular failure and aortic dissection. Numerous ...
The objective of the present study was to determine the contribution of the sympathetic nervous system to the hypertensive response to acute (45-min) aortic coarctation in conscious intact or sinoaortic-denervated (SAD) rats. Rats were treated chronically (5 wk) with guanethidine (50 mg ⋅ kg-1 ⋅ day-1ip) to induce sympathetic nerve degeneration or acutely with the α1-adrenergic receptor antagon...
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