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PubMed Journals Articles About "Breath Therapeutics Cashes" RSS

18:32 EST 20th January 2019 | BioPortfolio

Breath Therapeutics Cashes PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Breath Therapeutics Cashes articles that have been published worldwide.

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Showing "Breath Therapeutics cashes" PubMed Articles 1–25 of 1,800+

Optimized breath detection algorithm in electrical impedance tomography.

This paper defines a method for optimizing the breath delineation algorithms used in Electrical Impedance Tomography (EIT). In lung EIT the identification of the breath phases is central for generating tidal impedance variation images, subsequent data analysis and clinical evaluation. The optimisation of these algorithms is particularly important in neonatal care since the existing breath detectors developed for adults may give insufficient reliability in neonates due to their very irregular breathing patte...


Breath analysis as promising indicator of hemodialysis efficiency.

The measurement of trimethylamine and isoprene in exhaled breath collected from dialysed patients indicates the changes in concentration of both compounds during dialysis. The aim of the presented study was to confirm diagnostic usefulness of TMA and isoprene detected in breath, as potential biomarkers of hemodialysis efficiency.

Novel approach to computerized breath detection in lung function diagnostics.

Breath detection, i.e. its precise delineation in time is a crucial step in lung function data analysis as obtaining any clinically relevant index is based on the proper localization of breath ends. Current threshold or smoothing algorithms suffer from severe inaccuracy in cases of suboptimal data quality. Especially in infants, the precise analysis is of utmost importance. The key objective of our work is to design an algorithm for accurate breath detection in severely distorted data.


Feasibility study of a single breath-hold, 3D mDIXON pulse sequence for late gadolinium enhancement imaging of ischemic scar.

Late gadolinium enhancement (LGE) imaging is well validated for the diagnosis and quantification of myocardial infarction (MI). 2D LGE imaging involves multiple breath-holds for acquisition of short-axis slices to cover the left ventricle (LV). 3D LGE methods cover the LV in a single breath-hold; however, breath-hold duration is typically long with images susceptible to motion artifacts.

Iron deficiency and cyanotic breath-holding spells: The effectiveness of iron therapy.

Frequent cyanotic breath holding spells cause fear and severe anxiety to parents. This study aimed to evaluate clinical, laboratory and treatment characteristics of children with cyanotic breath holding spells.

Oxygen conserving mitochondrial adaptations in the skeletal muscles of breath hold divers.

The performance of elite breath hold divers (BHD) includes static breath hold for more than 11 minutes, swimming as far as 300 m, or going below 250 m in depth, all on a single breath of air. Diving mammals are adapted to sustain oxidative metabolism in hypoxic conditions through several metabolic adaptations, including improved capacity for oxygen transport and mitochondrial oxidative phosphorylation in skeletal muscle. It was hypothesized that similar adaptations characterized human BHD. Hence, the purpos...

The Predictive Value of the Hydrogen Breath Test in the Diagnosis of Fructose Malabsorption.

Fructose malabsorption is commonly diagnosed by the hydrogen fructose (H2) breath test. However, the mechanisms behind fructose malabsorption in humans are not well understood and the clinical relevance of this test is considered controversial. Hence, the main aim of this study is to evaluate the predictive value of the H2 breath test.

The safety and sensitivity of a telemetric capsule to monitor gastrointestinal hydrogen production in vivo in healthy subjects: a pilot trial comparison to concurrent breath analysis.

Intestinal gases are currently used for the diagnosis of disorders including small intestinal bacterial overgrowth and carbohydrate malabsorption.

Changes in the breath sound spectrum with bronchodilation in children with asthma.

Breath sound parameters have been suggested to be new biomarkers of airway function in patients with asthma.

C-glucose breath tests: a non-invasive method for detecting early clinical manifestations of exogenous glucose metabolism in type 2 diabetic patients.

C-glucose breath tests are reported as an alternative non-invasive method to evaluate glucose metabolism. However, the metabolic results differ based on the site of the carbon atom in the glucose. The aim of this study was to evaluate changes in the metabolism of carbon atoms contained in glucose in patients with diabetes using [1, 2, 3-C]glucose breath tests.

Ultrafast pediatric chest computed tomography: comparison of free-breathing vs. breath-hold imaging with and without anesthesia in young children.

General anesthesia (GA) or sedation has been used to obtain good-quality motion-free breath-hold chest CT scans in young children; however pulmonary atelectasis is a common and problematic accompaniment that can confound diagnostic utility. Dual-source multidetector CT permits ultrafast high-pitch sub-second examinations, minimizing motion artifact and potentially eliminating the need for a breath-hold.

Exhaled breath temperature as a tool for monitoring asthma control after an attack in children.

Exhaled breath temperature (EBT) has been suggested as a non-invasive marker of airway inflammation in asthma. There have been no studies examining longitudinal changes in EBT following asthma attacks.

Hydrogen and Methane-Based Breath Testing and Outcomes in Patients with Heart Failure.

Recent evidence endorses gut microbiota dysregulation in the pathophysiology of heart failure (HF). Small intestinal bacterial overgrowth (SIBO) might be present in HF and associated to poor clinical outcomes. Lactulose breath testing is a simple, non-invasive test that has been advocated as a reliable indicator of SIBO. In patients with HF, we aimed to evaluate the association with clinical outcomes of the exhaled hydrogen (H2) and methane (CH4) concentrations through the lactulose breath test.

Exhaled Breath Condensate: An Update.

Exhaled breath condensate (EBC) is a promising source of biomarkers of lung disease. EBC research and utility has increased substantially over the past 2 decades. This review summarizes many of the factors regarding the composition of EBC, its collection, and analysis for the utility of both clinicians and researchers.

Effects of intrathoracic pressure, inhalation time, and breath hold time on lung diffusing capacity.

The single breath hold maneuver for measuring lung diffusing capacity for carbon monoxide (DLCO) and nitric oxide (DLNO) incorporates multiple sources of variability. This study examined how changes in intrathoracic pressure, inhalation time, and breath hold time affect DLCO, DLNO, alveolar-capillary membrane conductance (DmCO) and pulmonary capillary blood volume (Vc) at rest and during submaximal exercise. Thirteen healthy subjects (mean ± SD; age = 26 ± 3y) performed duplicate tests at rest...

Difference between SF and N Multiple Breath Washout kinetics is due to N back diffusion and error in N offset.

Measurement of Lung Clearance Index (LCI) by Multiple Breath Washout (MBW) is a sensitive method for monitoring of lung disease in Cystic Fibrosis (CF). To compare NMBW and SFMBW, we connected these two gas analysis systems in series to obtain truly simultaneous measurements, with no differences other than the gas used.

NO in exhaled breath condensate is related to allergic sensitization in young and middle-aged adults.

Asthma and allergic diseases are heterogeneous. Measurement of biomarkers in exhaled breath condensate (EBC) may help to discriminate between different phenotypes and may assist with clinical prognostication.

A Bayesian approach for 4D flow imaging of aortic valve in a single breath-hold.

To develop and validate a data processing technique that allows phase-contrast MRI-based 4D flow imaging of the aortic valve in a single breath-hold.

High Prevalence of Pathological Hydrogen Breath Tests in Patients with Functional Dyspepsia.

The aim of the study is to investigate the frequency of pathological hydrogen breath tests (HBT) in patients with clinical features of functional dyspepsia (FD) meeting the Rome criteria and normal testing of upper endoscopy and abdominal sonography.

The use of fast photochemical oxidation of proteins coupled with mass spectrometry in protein therapeutics discovery and development.

Structural analysis of protein therapeutics is a challenging task owing to complexities associated with large molecular size and 3D structures. Recent advances in fast photochemical oxidation of proteins (FPOP) coupled with mass spectrometry (MS) have provided a means to characterize higher order structure (HOS) of protein therapeutics in solution. In this review, the utility of FPOP-MS in protein therapeutics discovery and development is presented, focusing on the principles and applications of epitope map...

Effect of Alcohol Sensitivity in Healthy Young Adults on Breath Pharmacokinetics of Acetaldehyde after Mouth Washing with Alcohol.

Acetaldehyde is causally related to head and neck cancer. Individuals with aldehyde dehydrogenase 2 deficiency experience alcohol sensitivity and are referred to as "flushers" because of their skin-flushing response to high blood acetaldehyde levels after alcohol consumption. Acetaldehyde is produced in the oral cavity after local alcohol exposure without alcohol ingestion. However, the relationship between the oral acetaldehyde level after local alcohol exposure and alcohol sensitivity is unclear. Herein, ...

Performance of the 13C-urea breath test for the diagnosis of H. pylori infection using a substrate synthesized in Brazil: A preliminary study.

The 13C-urea breath test is the main non-invasive test for the diagnosis of Helicobacter pylori infection. The availability of this test throughout the country is limited, mainly due to the difficulty in obtaining the labeled isotope from abroad. Recently, researchers from the Nuclear Energy Center in Agriculture at the University of São Paulo (CENA/USP) succeeded in synthesizing 13C-enriched urea for Helicobacter pylori diagnosis. The aim of the study was to compare the performance of the 13C-urea breath ...

Stability control for breath analysis using GC-MS.

Gas chromatography mass spectrometry (GC-MS) instruments provide researchers and clinicians with a vast amount of information on sample composition, thus these instruments are seen as gold standard in breath analysis research. However, there are many factors that can confound the data measured by GC-MS instruments. These factors will make interpretation of GC-MS data unreliable for breath analysis research. We present in this paper detailed studies of two of these factors: instrument variation over time and...

VOC breath profile in spontaneously breathing awake swine during Influenza A infection.

Influenza is one of the most common causes of virus diseases worldwide. Virus detection requires determination of Influenza RNA in the upper respiratory tract. Efficient screening is not possible in this way. Analysis of volatile organic compounds (VOCs) in breath holds promise for non-invasive and fast monitoring of disease progression. Breath VOC profiles of 14 (3 controls and 11 infected animals) swine were repeatedly analyzed during a complete infection cycle of Influenza A under high safety conditions....

Fitting of single-exhalation profiles using a pulmonary gas exchange model - application to carbon monoxide.

Real-time breath gas analysis coupled to gas exchange modeling is emerging as promising strategy to enhance the information gained from breath tests. It is shown for exhaled breath carbon monoxide (eCO), a potential biomarker for oxidative stress and respiratory diseases, that a weighted, nonlinear least-squares fit of simulated to measured expirograms can be used to extract physiological parameters, such as airway and alveolar concentrations and diffusing capacities. Experimental CO exhalation profiles are...


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