944 resultados para stereo vision,stereo matching,cuda,lisp,connection machine
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Iowa Lottery Authority Player Information Newsletter
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Iowa Lottery Authority Player Information Newsletter
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Iowa Lottery Authority Player Information Newsletter
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A monthly newsletter for Iowa Commission on the Status of Women
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We report a 14-year-old boy who presented with vision loss secondary to peripapillary neovascular membrane (PPNVM) as the initial and only symptom of papilledema secondary to idiopathic intracranial hypertension. After one lumbar puncture, visual acuity progressively recovered during the course of 1 week and further improved with the administration of oral acetazolamide. One year after the onset of vision loss, the patient's visual acuity had recovered to baseline measurements. The previously active PPNVM had involuted into a residual peripapillary fibrotic scar. To our knowledge, this is the first report of PPNVM complicating idiopathic intracranial hypertension in a child.
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A monthly newsletter for Iowa Commission on the Status of Women
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Bimonthly newsletter of the Iowa Gender-Specific Services Task Force. This issue discusses girls and the impact of involvement in sports and other physical activities.
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Bimonthly newsletter of the Iowa Gender-Specific Services Task Force. This issue discusses girls and the impact of involvement in sports and other physical activities.
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Newsletter for professionals who work with girls involved in or at risk for involvement in the juvenile justice system.
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Iowa Lottery Authority Player Information Newsletter
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Iowa Lottery Authority Player Information Newsletter
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Iowa Lottery Authority Player Information Newsletter
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Iowa Lottery Authority Player Information Newsletter
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INTRODUCTION. Patient-ventilator asynchrony is a frequent issue in non invasivemechanical ventilation (NIV) and leaks at the patient-mask interface play a major role in itspathogenesis. NIV algorithms alleviate the deleterious impact of leaks and improve patient-ventilator interaction. Neurally adusted ventilatory assist (NAVA), a neurally triggered modethat avoids interferences between leaks and the usual pneumatic trigger, could further improvepatient-ventilator interaction in NIV patients.OBJECTIVES. To evaluate the feasibility ofNAVAin patients receiving a prophylactic postextubationNIV and to compare the respective impact ofPSVandNAVAwith and withoutNIValgorithm on patient-ventilator interaction.METHODS. Prospective study conducted in 16 beds adult critical care unit (ICU) in a tertiaryuniversity hospital. Over a 2 months period, were included 17 adult medical ICU patientsextubated for less than 2 h and in whom a prophylactic post-extubation NIV was indicated.Patients were randomly mechanically ventilated for 10 min with: PSV without NIV algorithm(PSV-NIV-), PSV with NIV algorithm (PSV-NIV+),NAVAwithout NIV algorithm (NAVANIV-)and NAVA with NIV algorithm (NAVA-NIV+). Breathing pattern descriptors, diaphragmelectrical activity, leaks volume, inspiratory trigger delay (Tdinsp), inspiratory time inexcess (Tiexcess) and the five main asynchronies were quantified. Asynchrony index (AI) andasynchrony index influenced by leaks (AIleaks) were computed.RESULTS. Peak inspiratory pressure and diaphragm electrical activity were similar in thefour conditions. With both PSV and NAVA, NIV algorithm significantly reduced the level ofleak (p\0.01). Tdinsp was not affected by NIV algorithm but was shorter in NAVA than inPSV (p\0.01). Tiexcess was shorter in NAVA and PSV-NIV+ than in PSV-NIV- (p\0.05).The prevalence of double triggering was significantly lower in PSV-NIV+ than in NAVANIV+.As compared to PSV,NAVAsignificantly reduced the prevalence of premature cyclingand late cycling while NIV algorithm did not influenced premature cycling. AI was not affectedby NIV algorithm but was significantly lower in NAVA than in PSV (p\0.05). AIleaks wasquasi null with NAVA and significantly lower than in PSV (p\0.05).CONCLUSIONS. NAVA is feasible in patients receiving a post-extubation prophylacticNIV. NAVA and NIV improve patient-ventilator synchrony in different manners. NAVANIV+offers the best patient-ventilator interaction. Clinical studies are required to assess thepotential clinical benefit of NAVA in patients receiving NIV.
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Bimonthly newsletter of the Iowa Gender-Specific Services Task Force. This issue discusses girls and the impact of involvement in sports and other physical activities.