The effect of coronary artery bypass grafts on left ventricular performance was evaluated by analyzing preoperative (preop) and postoperative (postop) biplane left ventriculograms of 37 patients who were restudied at a mean of 13 months after operation. Eighty-two percent of the grafts were patent. Segmental wall shortening and segmental shortening velocities (mea Vcf) in the anterior, inferior...

BACKGROUND Coronary angiography in acute myocardial infarction has revealed complicated atherosclerotic plaque and a high rate of thrombotic occlusion. However, the characteristics of lesions at high risk of subsequent occlusion are not well known. METHODS AND RESULTS In the present study, the qualitative and quantitative angiographic features of 38 coronary artery lesions that occluded withi...

To prospectively evaluate the feasibility of using magnetic resonance (MR) techniques for in-vivo assessing a rat diabetic model of limb ischemia. Unilateral hind limb ischemia was induced by ligation of the iliac-femoral artery in male streptozotocin-treated and non-diabetic control rats. Four weeks after ligation, rats underwent MR Angiography (MRA), T(1)-weighted and Short Time Inversion Rec...

OBJECTIVE To evaluate the effects of chronic coronary occlusion on the accuracy of low dose dobutamine echocardiography in predicting recovery of dysfunctional myocardium after revascularisation. DESIGN Retrospective study. SETTING Tertiary referral centre. PATIENTS 53 consecutive patients with >/= 70% stenosis of the left anterior descending coronary artery (LAD) and regional ventricular...

We used the Hedley sequential fractionation scheme to assess phosphorus (P) chemistry of a strongly weathered soil from a humid lowland forest in Panama. Our analyses were part of a factorial experiment of nitrogen, P, and potassium addition, with nutrients added annually, i.e. a chronic input. The aim was to examine changes in soil P chemistry with 7 years of nutrient addition for soils collec...

Phosphorus (P) is the main limiting nutritional factor in the cultivation of Eucalyptus in Brazil. Despite this, little is known about the P fractions and dynamics in Eucalyptus soils in tropical regions. The aims of this study were (1) to evaluate the distribution of labile and non-labile fractions of P in soil in 10 sites of Eucalyptus in the state of São Paulo, Brazil and (2) to determine th...

In the real-world surveillance system application, accuracy of person re-identification (Re-ID) still suffers from occlusion. Occluded Re-ID aims to retrieve occluded images multiple cameras that do not overlap. To address this issue, we present a multi-branch feature enhancement network in paper. It has pose correction module (PCM), reconstruction (FRM), and part align (PAM). PCM builds key-po...

BACKGROUND AND PURPOSE Studies to determine the value of noninvasive neurovascular studies for the effectiveness of treatment and long-term follow-up of dural arteriovenous fistulas (AVFs) are of clinical importance. We determined whether the serial changes of carotid duplex sonography (CDS) were correlated with the evolution of dural AVF status after treatment or follow-up. METHODS Four para...