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Using the gli spirographic prediction equations to revisit the allometric relationships between lung volumes, height and age in adults.
Respir Physiol Neurobiol
June 2024
Cleveland Clinic, Respiratory Institute, Department of Pulmonary Medicine, 9500 Euclid Avenue, Cleveland, OH 44195, United States.
The determination the forced vital capacity (FVC) and the forced expiratory volume in 1 second (FEV1) during spirometry studies, is at the core of the evaluation of the pulmonary function of patients with respiratory diseases. The Global Lung Function Initiative (GLI) offers the most extensive data set of normal lung functions available, which is currently used to determine the average expected/predicted FEV1 and FVC (V), and their lower limit of normal (LLN, 5th percentile) at any given height and age for women and men. These prediction equations are currently expressed in a rather complex form: V = exp [p+ (a x Ln (height) + (n x Ln (age)) + spline] and LLN = exp(Ln (V) + Ln (1 - 1.
View Article and Find Full Text PDFNon-Repetitive Scanning LiDAR Sensor for Robust 3D Point Cloud Registration in Localization and Mapping Applications.
Sensors (Basel)
January 2024
Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, F-63000 Clermont-Ferrand, France.
Three-dimensional point cloud registration is a fundamental task for localization and mapping in autonomous navigation applications. Over the years, registration algorithms have evolved; nevertheless, several challenges still remain. Recently, non-repetitive scanning LiDAR sensors have emerged as a promising 3D data acquisition tool.
View Article and Find Full Text PDFObjective: The aim of the research was to assess the reactive oxygen species (ROS) levels in granulocytes of patients with asthma.
Patients And Methods: Materials and methods: The study involved 35 children aged 5 to 17 years. 26 children with persistent asthma, partially controlled course in the period of exacerbation were divided into groups: 1 group - mild asthma (n = 12), group 2 - moderate asthma (n = 7) group 3 - severe asthma (n = 7) and control group included almost healthy children (n = 9).
Objective: The aim: To study the regulation of acid-base balance and blood acid - renal excretory function in patients with COPD.
Patients And Methods: Materials and methods: We examined 82 people, suggests that even during the most severe stages of COPD. Group 1 included 56 patients with COPD, group C.
Enhanced performance of Aloe vera incorporated chitosan-polyethylene oxide electrospun wound scaffold produced using novel Spirograph based collector assembly.
Int J Biol Macromol
November 2019
Dept. of Textile Technology, Anna University, Chennai, India.
Spirograph is a geometric drawing that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. This paper presents a research on a novel Spirograph Based Mechanical System (SBMS) meant for the production of electrospun mat with near uniform characteristics for wound dressing applications. A combination of natural (Chitosan) and artificial (Polyethylene oxide) polymer, along with Aloe vera plant extract has been evaluated as a material for wound dressing application.
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