نتایج جستجو برای: occlusions
تعداد نتایج: 7136 فیلتر نتایج به سال:
Gait recognition refers to the identification of individuals based on features acquired from their body movement during walking. Despite recent advances in gait with deep learning, variations data acquisition and appearance, namely camera angles, subject pose, occlusions, clothing, are challenging factors that need be considered for achieving accurate systems. In this article, we propose a netw...
A 39-year-old woman presented with multiple branch retinal artery occlusions almost three years before developing a mass lesion containing calcium in the left frontal lobe. Brain biopsy revealed a small vessel vasculitis and ischemic necrosis of brain with dystrophic calcification. We believe this to be the first case of primary CNS vasculitis with branch retinal artery occlusions and brain cal...
Acute thrombo-embolic occlusions of the subclavian artery account for less than 1% of all acute arterial occlusions of the extremities. One such case is presented and the management discussed with special reference to the technique of embolectomy and the treatment of the reperfusion syndrome with either fasciotomy or mannitol. The question of anticoagulation is also examined.
OBJECTIVES This preliminary study examined the technical efficacy, safety, and cost of treating arterial occlusions with a single device that combines pharmacologic and mechanical thrombolysis. METHODS The technical success, bleeding complications, and costs for the first 26 consecutive patients in whom lower extremity ischemia was treated with the Trellis infusion catheter (TIC) were analyze...
Current neck injury criteria do not include limits for lateral bending combined with axial compression and this has been observed as a clinically relevant mechanism, particularly for rollover motor vehicle crashes. The primary objectives of this study were to evaluate the effects of lateral eccentricity (the perpendicular distance from the axial force to the centre of the spine) on peak loads, ...
Galinsky R, Jensen EC, Bennet L, Mitchell CJ, Gunn ER, Wassink G, Fraser M, Westgate JA, Gunn AJ. Sustained sympathetic nervous system support of arterial blood pressure during repeated brief umbilical cord occlusions in near-term fetal sheep. Am J Physiol Regul Integr Comp Physiol 306: R787–R795, 2014. First published March 19, 2014; doi:10.1152/ajpregu.00001.2014.—Sympathetic nervous system (...
The role of metabolic factors derived from cardiac muscle in the development of reactive hyperemia after brief occlusions of the coronary circulation seems to be well established. However, the contribution of occlusion-induced changes in hemodynamic forces to eliciting reactive hyperemia is less known. We hypothesized that in isolated coronary arterioles changes in intraluminal pressure and flo...
BACKGROUND AND PURPOSE The role of endovascular therapy for acute M2 trunk occlusions is debatable. Through a subgroup analysis of Prolyse in Acute Cerebral Thromboembolism-II, we compared outcomes of M2 occlusions in treatment and control arms. METHODS Solitary M2 occlusions were identified from the Prolyse in Acute Cerebral Thromboembolism-II database. Primary endpoints were successful angi...
1077-3142/$ see front matter Published by Elsevier http://dx.doi.org/10.1016/j.cviu.2013.01.008 ⇑ Corresponding author. E-mail address: [email protected] (A. Koschan). A number of stereo matching algorithms have been developed in the last few years, which also have successfully detected occlusions in stereo images. These algorithms typically fall short of a systematic study of occlusions; they p...
We hypothesize that our ability to track objects through occlusions is mediated by timely assistance from gaze in the form of "rescue saccades"-eye movements to tracked objects that are in danger of being lost due to impending occlusion. Observers tracked 2-4 target sharks (out of 9) for 20 s as they swam through a rendered 3D underwater scene. Targets were either allowed to enter into occlusio...
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