First Pass
Evaluation of contrast wash in and peak enhancement in adenosine first pass perfusion CMR in patients post bypass surgery
... Methods: Twenty patients with invasive exclusion of significant CAD (control group) and 38 patients with CABG without angiographically significant (≥50%) stenosis in unbypassed coronaries or grafts were retrospectively ...
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Delay Correction for the Assessment of Blood Brain Barrier Permeability Using First Pass Dynamic Perfusion CT
... the first pass for the artery (not the region of interest) because contrast has yet to arrive in the region of interest and there is an incorrectly higher RIF(t) at the end of the first pass ...
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Dynamic Perfusion CT Assessment of the Blood Brain Barrier Permeability: First Pass versus Delayed Acquisition
... the first pass and delayed phase of PCT acquisitions in ischemic and nonischemic regions of interest were compared by using generalized estimating equation models with robust variance estimation, with fixed ...
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Appearance of microvascular obstruction on high resolution first pass perfusion, early and late gadolinium enhancement CMR in patients with acute myocardial infarction
... On first-pass perfusion for example, old myocardial inf- arction may produce hypoenhancement, while it would lead to enhancement on EGE and ...rest, first-pass perfusion can produce an area of ...
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Myocardial first pass perfusion imaging with hybrid EPI: frequency offsets and potential artefacts
... Non-uniform magnitude modulation response during data sampling can result in additional blurring. This effect is small when considering typical concentrations of CA found in the heart [12,13], except possibly during the ...
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Characterization of a First Pass Gradient Echo Spin Echo Method to Predict Brain Tumor Grade and Angiogenesis
... The accuracy of classification may also improve as our characterization and optimization of the MR im- aging dynamic susceptibility methods improve (19, 52–57). For example, while it is assumed that the relationships ...
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ADVANTAGEOUS NASAL DRUG DELIVERY SYSTEM: A REVIEW
... by first pass effect in the ...hepatic first pass metabolism is absent, Rapid drug absorption and quick onset of action can be achieved, bioavailability of larger drug molecules can be ...
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Evaluation of an automated method for arterial input function detection for first pass myocardial perfusion cardiovascular magnetic resonance
... First-pass contrast-enhanced perfusion cardiovascular magnetic resonance (CMR) is a useful diagnostic tool for the detection of coronary artery disease [1–3]. Quantita- tive assessment of myocardial blood ...
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Evaluating Ultrasonogram Guided Jugular Venous Cannulation Transducer Views
... 3.Dalim kumar Baidya, Mukesh arora etal, Dilisio etal proposed a medial oblique technique. They conducted prospective randomised control trial , total 100 ASA-PS2 patients posted for elective surgery requiring IJV ...
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Increasing Contrast Agent Concentration Improves Enhancement in First Pass CT Perfusion
... terial bolus remains in the intravascular space resulting in tis- sue enhancement proportional to the amount of iodine in the vessel. The signal intensity has to rise reliably above the base- line noise to perform a ...
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Three dimensional first pass myocardial perfusion imaging at 3T: feasibility study
... First-pass cardiovascular magnetic resonance (CMR) MPI is an ideal tool for the evaluation of myocardial perfusion, due to its high spatial resolution, lack of ionizing radia- tion, and relatively short ...
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Influence of incremental ECAP on the microstructure and tensile behaviour of commercial purity titanium
... to first pass of I-ECAP in ...with first pass processing using ...after first pass (marked with white ...after first pass is ...
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Efficient Multi Pass Decoding for Synchronous Context Free Grammars
... the first pass uses a bigram language model, and the resulting parse forest is used in the second pass to guide search with a trigram lan- guage ...trigram pass closes most of the performance ...
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Frequency of Adequate Contrast Opacification of the Major Intracranial Venous Structures with CT Angiography in the Setting of Intracerebral Hemorrhage: Comparison of 16 and 64 Section CT Angiography Techniques
... of first-pass CTAs, we were unable to confidently exclude DVST as the ICH etiology because there was inadequate contrast opacification within the ma- jor venous structure draining the venous territory where ...
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Design and Implementation of Low Pass, High Pass and Band Pass Finite Impulse Response (FIR) Filters Using FPGA
... This paper presents the design and implementation of a low-pass, high-pass and a hand-pass Fi- nite Impulse Response (FIR) Filter using SPARTAN-6 Field Programmable Gate Array (FPGA) de- vice. The ...
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Commodity prices and intra household labor allocation
... We first show that international prices are transmitted to small coffee growers (in the form of farm-gate prices). It emerges that coffee farmers are not able to perfectly smooth con- sumption when faced with a ...
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Reproducibility of adenosine stress cardiovascular magnetic resonance in multi vessel symptomatic coronary artery disease
... Purpose: First-pass perfusion cardiovascular magnetic resonance (CMR) is increasingly being utilized in both clinical practice and research. However, the reproducibility of this technique remains ...
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A Method for Complete Decomposition of a Multiple Tone Signal using a DFT
... At the first peak, the DFT is treated like the single tone case and an initial frequency with one pass of magnitude and phase calculations are done. The calculated values will be close, but not accurate. ...
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Analysis forqos and interference mitigation in full duplex 5G wireless networks
... In this article, we have done work on QoS services and pass-band modulation with ACI. Future work of this system is that we can develop same system model for Co-Channel Interference (CCI) and we can work on ...
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First Pass Contrast Enhanced MRA for Pretherapeutic Diagnosis of Spinal Epidural Arteriovenous Fistulas with Intradural Venous Reflux
... MR Imaging and MRA Technique All patients underwent conventional whole-spine MR imaging on a 1.5T In- tera Achieva (Philips, Best, the Nether- lands), using a dedicated 5-channel spi- nal coil with the patient in the ...
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