نتایج جستجو برای: debanding
تعداد نتایج: 53 فیلتر نتایج به سال:
OBJECTIVES This retrospective study evaluated the feasibility and related outcome of intraluminal pulmonary artery banding (I-PAB). METHODS Thirty-two children underwent I-PAB between July 2006 and April 2014. The median age and weight were 60 days (range: 5 days to 4.2 years) and 3.7 kg (range: 2.6-13.0 kg), respectively. Cardiac diagnoses included single ventricle morphology (n = 11), compl...
Using an experimental model of ascending aortic banding in the rat, we examined whether coronary circulation abnormalities in hypertrophied hearts are reversible after debanding. 4-wk banding produced significant increases in in vivo left ventricular (LV) pressure (194 +/- 13 vs. 114 +/- 9 mmHg in shamoperated controls) and LV dry wt/body wt (48 +/- 5% above controls). In isolated hearts perfus...
The purpose of this research was to estimate the prevalence, intensity, and nature of bacteraemia following deband and gold chain adjustment. Forty-nine children, 25 males and 24 females, mean age 15.4 years, attending the Orthodontic Department at the Eastman Dental Hospital were recruited. A cannula was inserted into either the left or the right antecubital fossa using an aseptic technique. A...
Since its introduction by Muller and Dammam,l banding of the pulmonary artery has become an established method of palliative therapy in certain types of congenital heart disease.Pd Experience with the surgical correction of the cardiac defect together with "debanding" of the pulmonary artery has been published from various center^.^-^ The remote complications of the banding procedure have inclu...
BACKGROUND The myocardial velocity gradient (MVG) is a recent index of regional myocardial function derived from endocardial and epicardial velocities obtained by tissue Doppler imaging (TDI). This index might be useful for discriminating between physiological and pathological left ventricular hypertrophy (LVH) and for documenting the early transition from compensated LVH to heart failure. We s...
On the basis of the role of small, leucine-rich proteoglycans (SLRPs) in fibrogenesis and inflammation, we hypothesized that they could be involved in cardiac remodeling and reverse remodeling as occurs during aortic stenosis and after aortic valve replacement. Thus, in a well-characterized aortic banding-debanding mouse model, we examined the SLRPs decorin and lumican and enzymes responsible f...
AIMS Aortic stenosis causes cardiac hypertrophy and fibrosis, which often persists despite pressure unloading after aortic valve replacement. The persistence of myocardial fibrosis in particular leads to impaired cardiac function and increased mortality. We investigated whether granulocyte colony-stimulating factor (G-CSF) beneficially influences cardiac remodelling after pressure unloading. ...
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