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Journal articles on the topic 'Forced Expiratory Volume in one second and Peak Expiratory Flow'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Dr., S. Nagaraja, B. Gajanana Prabhu Dr., and S. M. Prakash Dr. "AN ASSESSMENT OF MEASURED AND SELF-PERCEIVED FORCED EXPIRATORY VOLUME PER SECOND AND PEAK EXPIRATORY FLOW LITER PER MINUTE AMONG HEARING AND VISUALLY IMPAIRED CHILDREN." International Journal of Multidisciplinary Research and Modern Education (IJMRME) 6, no. 1 (2020): 34–39. https://doi.org/10.5281/zenodo.3817142.

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The present situation people with hearing and visual impairment need more support in their physical and psychosocial improvement. Child with visual and hearing impairment is not only face a lot of individual hardships during his premature developing years but also face a many problems and challenges to the responsible adults in his life. The intention of the current examination was to measure the lung capacity of hearing and visually impaired special school children of Karnataka state. Further the level of perception on forced expiratory volume per second and peak expiratory flow volume per mi

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Smolej-Narancic, N., M. Pavlovic, and P. Rudan. "Ventilatory parameters in healthy nonsmoking adults of Adriatic islands (Yugoslavia)." European Respiratory Journal 4, no. 8 (1991): 955–64. http://dx.doi.org/10.1183/09031936.93.04080955.

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Forced expiratory volumes and flows (forced vital capacity (FVC), forced expiratory volume in one second (FEV1) peak expiratory flow (PEF), maximal expiratory flow at 25% (MEF25%), 50% (MEF50%) and 75% (MEF75%) of the FVC) have been measured in 909 healthy nonsmoking men and women, ranging in age from 18-86 yrs, who live on Eastern Adriatic islands (Yugoslavia). This area is essentially free from air pollution. The results have been analysed in terms of age and height and regression equations for each sex were derived. The equations for FVC and FEV1 were reliable and those for forced expirator

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Pranoti, Zawar, Kolse Reshma, and Prof Dr Diwate Abhijit, (PhD). "Comparison of pulmonary functions in young adults with normal versus forward head posture." VIMS JOURNAL OF PHYSICAL THERAPY 5, no. 1 (2023): 28–34. http://dx.doi.org/10.46858/vimsjpt.5107.

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Background: Body posture refers to the position of a person’s body in space, the alignment of body parts in relationship to one another and to the environment at one point in time. Different postures such as forward head posture and kyphosis have been shown to alter breathing mechanism. Pulmonary function test is an important tool in the investigation of patients with respiratory pathology. Methods: A comparative study was conducted at vikhe patil memorial hospital and college, Ahmednagar. The craniovertebral angle and Pulmonary function test was taken on 40 adults. Results: The study show tha

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Parameswaran, K., J. Belda, and MR Sears. "Use of peak flow variability and methacholine responsiveness in predicting changes from pre-test diagnosis of asthma." European Respiratory Journal 14, no. 6 (1999): 1358–62. http://dx.doi.org/10.1183/09031936.99.14613589.

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Asthma is usually diagnosed clinically. This study investigated how methacholine challenge and peak expiratory flow monitoring influenced change from a pretest clinical diagnosis. Records of 132 patients referred with respiratory symptoms, who subsequently had reliable measurements of both airway responsiveness (provocative concentration of methacholine causing a 20% fall in forced expiratory volume in one second (FEV1 (PC20)) and peak expiratory flow variability (PEFV) were reviewed. Initial and final diagnoses for each patient were classified as: a) definite asthma; b) possible asthma; and c

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Giannini, D., P. L. Paggiaro, G. Moscato, et al. "Comparison Between Peak Expiratory Flow and Forced Expiratory Volume in One Second (FEV1) During Bronchoconstriction Induced by Different Stimuli." Journal of Asthma 34, no. 2 (1997): 105–11. http://dx.doi.org/10.3109/02770909709075654.

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Johns, David P., Michael Abramson, and Glenn Bowes. "Evaluation of a New Ambulatory Spirometer for Measuring Forced Expiratory Volume in One Second and Peak Expiratory Flow Rate." American Review of Respiratory Disease 147, no. 5 (1993): 1245–50. http://dx.doi.org/10.1164/ajrccm/147.5.1245.

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Safran, Ertugrul, Aysel Yildiz Ozer, and Hulya Nilgun Gurses. "Do handgrip strength and dexterity predict respiratory function in neuromuscular disease?" Arquivos de Neuro-Psiquiatria 80, no. 11 (2022): 1141–48. http://dx.doi.org/10.1055/s-0042-1758757.

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Abstract Background Neuromuscular diseases are acquired or inherited diseases that affect the function of the muscles in our body, including respiratory muscles. Objective We aimed to discover more cost-effective and practical tools to predict respiratory function status, which causes serious problems with patients with neuromuscular disease. Methods The Vignos and Brooke Upper Extremity Functional Scales were used to evaluate functional status for patient recruitment. The handgrip strength and dexterity of patients were measured using a dynamometer and nine-hole peg test. Respiratory function

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Engel, T., JH Heinig, F. Madsen, and K. Nikander. "Peak inspiratory flow and inspiratory vital capacity of patients with asthma measured with and without a new dry-powder inhaler device (Turbuhaler)." European Respiratory Journal 3, no. 9 (1990): 1037–41. http://dx.doi.org/10.1183/09031936.93.03091037.

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In 101 asthmatic adults with varying degrees of bronchial obstruction, lung function tests including peak inspiratory flow (PIF), inspiratory vital capacity (IVC), peak expiratory flow (PEF), forced vital capacity (FVC), and forced expiratory volume in one second (FEV1) measurements were made. Significant correlations between inspiratory and expiratory volumes were found. In most patients, PIF was less reduced than the expiratory parameters of pulmonary function. When inhalation was performed through the new multi-dose, dry-powder inhalation device, Turbuhaler (PIF-TBH), it was significantly l

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Malewska-Kaczmarek, Kamila, Daniela Podlecka, Tymoteusz Mańkowski, Joanna Jerzyńska, and Iwona Stelmach. "Exercise-Induced Bronchoconstriction in Children: A Comparison between Athletes and Non-Athletes." Healthcare 11, no. 9 (2023): 1349. http://dx.doi.org/10.3390/healthcare11091349.

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Exercise-induced bronchoconstriction (EIB) is a dysfunction of the respiratory tract consisting of transient airflow obstruction. This study is a retrospective analysis of two prospective studies concerning EIB symptoms in two adolescent populations. Our study group included 400 non-athletes and 101 athletes. Due to the similarity of indoor exercise conditions, an analysis was performed on the basis of where training took place. The study aims to assess the EIB prevalence in the following groups of adolescent children: non-athletes and athletes. In “indoor” athletes, the EIB prevalence was 22.

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Al-Nuamii, Salman H., Adnan M. Al-Jubouri, Kasim M. Sultan, Ammar K. Mohammed, and Zaid M. A. Hamandi. "Physiological Changes In Spirometric Parameters During Pregnancy In Iraqi Women." Journal of the Faculty of Medicine Baghdad 54, no. 4 (2013): 321–24. http://dx.doi.org/10.32007/jfacmedbagdad.544694.

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Background: The events in pregnancy elicit one of the best examples of selective anatomical, physiological and biochemical adaptations, with profound changes in respiratory physiology. The changes in respiratory physiology are due to increased size of the fetus with advance gestation which constitutes a mechanical impediment to normal process of ventilation. .Patients and methods: This study started from the 1st of Nov. 2009 till the 30th of Oct. 2010. pregnant women aged (16-44 years) of different weight, height and different conception from 1st, 2nd, 3rd trimester and post term were in

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Matsumoto, I., S. Walker, and PD Sly. "The influence of breathhold on peak expiratory flow in normal and asthmatic children." European Respiratory Journal 9, no. 7 (1996): 1363–67. https://doi.org/10.1183/13993003/erj.9.7.1363.

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We have previously demonstrated a 10% reduction in peak expiratory flow (PEF) in healthy adults following a breathhold at total lung capacity (TLC). This fall was attributed to dissipation of airway wall viscoelasticity, increasing airway wall compliance (Caw). To investigate this phenomenon in children and to determine whether the effect of breathhold would be greater in asthmatics than in normal children, 15 asthmatics and 14 normal children (aged 10-15 yrs) performed maximal post expirations (MFE) with and without a 5 s breathhold at TLC. The entire study was repeated following the inhalati

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Huang, Yuanni, Mian Bao, Jiefeng Xiao, Zhaolong Qiu, and Kusheng Wu. "Effects of PM2.5 on Cardio-Pulmonary Function Injury in Open Manganese Mine Workers." International Journal of Environmental Research and Public Health 16, no. 11 (2019): 2017. http://dx.doi.org/10.3390/ijerph16112017.

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Exposure to fine particulate matter 2.5 (PM2.5) is associated with adverse health effects, varying by its components. The health-related effects of PM2.5 exposure from ore mining may be different from those of environment pollution. The aim of this study was to investigate the effects of different concentrations of PM2.5 exposure on the cardio-pulmonary function of manganese mining workers. A total of 280 dust-exposed workers who were involved in different types of work in an open-pit manganese mine were randomly selected. According to the different concentrations of PM2.5 in the working envir

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Fergusson, RJ, J. Lenney, GJ McHardy, and GK Crompton. "The use of a new breath-actuated inhaler by patients with severe airflow obstruction." European Respiratory Journal 4, no. 2 (1991): 172–74. http://dx.doi.org/10.1183/09031936.93.04020172.

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The ability of patients with severe airflow limitation (forced expiratory volume in one second less than 1.0 l or peak expiratory flow rate less than 200 l.min.1) to use a new breath-actuated inhaler (BAI) was assessed. One hundred and fifty six patients attending two respiratory units entered and completed the study. Subjects were instructed how to use the device and after attempting to trigger the BAI had flow-volume loops measured. One hundred and fifty one (97%) were able to actuate the inhaler on their first (146) or second (5) attempt. The five unsuccessful patients did not have the most

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Matsunaga, Kazuto, Masae Kanda, Atsushi Hayata, et al. "Peak Expiratory Flow Variability Adjusted by Forced Expiratory Volume in One Second is a Good Index for Airway Responsiveness in Asthmatics." Internal Medicine 47, no. 12 (2008): 1107–12. http://dx.doi.org/10.2169/internalmedicine.47.0855.

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Jiwtode, Manoj Tukaram, and Premanand Ramkrishna Raikar. "Comparison of pulmonary function tests in urban and rural children of Nagpur, Maharashtra, India." International Journal of Research in Medical Sciences 5, no. 3 (2017): 908. http://dx.doi.org/10.18203/2320-6012.ijrms20170634.

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Background: Pulmonary function tests (PFT) are considered as an essential component for evaluation of lung functions. PFTs are influenced by various parameters like anthropometric, geographic, ethnic, socio-economic parameters. Anthropological parameters are affected by nutrition and physical activities in young age, which directly affect the lung size and function. The aim of this study was to compare PFTs in urban and rural children of same district and to find out significant difference, if any.Methods: It was observational study. 150 each healthy children in the age group of 10 to 14 years

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Ghio, Andrew J., Robert M. Castellan, Kathleen B. Kinsley, and John L. Hankinson. "Changes in Forced Expiratory Volume in One Second and Peak Expiratory Flow Rate across a Work Shift among Unexposed Blue Collar Workers." American Review of Respiratory Disease 143, no. 6 (1991): 1231–34. http://dx.doi.org/10.1164/ajrccm/143.6.1231.

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Zeren, Melih, Rengin Demir, Zerrin Yigit, and Hulya N. Gurses. "Effects of inspiratory muscle training on pulmonary function, respiratory muscle strength and functional capacity in patients with atrial fibrillation: a randomized controlled trial." Clinical Rehabilitation 30, no. 12 (2016): 1165–74. http://dx.doi.org/10.1177/0269215515628038.

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Objective: To investigate the effects of inspiratory muscle training on pulmonary function, respiratory muscle strength and functional capacity in patients with atrial fibrillation. Design: Prospective randomized controlled single-blind study. Setting: Cardiology department of a university hospital. Subjects: A total of 38 patients with permanent atrial fibrillation were randomly allocated to either a treatment group ( n = 19; age 66.2 years (8.8)) or a control group ( n = 19; age 67.1 years (6.4)). Methods: The training group received inspiratory muscle training at 30% of maximal inspiratory

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Sousa, Clóvis Arlindo de, and Antonio Jose Muller. "Analysis of Respiratory Muscle Training in Basketball Athletes from APAB Blumenau." Lecturas: Educación Física y Deportes 27, no. 287 (2022): 61–72. http://dx.doi.org/10.46642/efd.v27i287.2891.

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The present study has as main objective to analyze the effects of respiratory muscle training on pulmonary function of basketball players in the city of Blumenau-SC. Respiratory muscle training (RMT) improves strength and endurance, and consequently improves athlete performance. However, few studies have analyzed the effects of RMT on the pulmonary function of athletes, especially in non-aquatic sports. Participating in the sample were 10 male athletes, between 19 and 26 years old, mean age of 23 years old, of the basketball team of the Association of Parents and Friends of Basketball (APAB).

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Dompeling, E., CP van Schayck, H. Folgering, HJ van den Hoogen, and C. van Weel. "Accuracy, precision and linearity of the portable flow-volume meter Microspiro HI-298." European Respiratory Journal 4, no. 5 (1991): 612–15. http://dx.doi.org/10.1183/09031936.93.04050612.

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The accuracy, precision and linearity of a new portable flow-volume meter, the Microspiro HI-298 (Chest Corporation, Tokyo, Japan), was investigated using a Fleisch no. 4 pneumotachograph as a standard. After connection and calibration of the pneumotachograph and the Microspiro, a healthy subject performed 44 forced vital capacity (FVC) manoeuvres at different levels of lung inflation. The FVC of these expirations ranged from 2.5-5.1 l. Linear regression of Microspiro values (dependent variable) on Fleisch pneumotachograph values (independent variable) showed that a good linear relationship ex

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Madan, I., P. Bright, and MR Miller. "Expired air temperature at the mouth during a maximal forced expiratory manoeuvre." European Respiratory Journal 6, no. 10 (1993): 1556–62. http://dx.doi.org/10.1183/09031936.93.06101556.

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We have studied the temperature of expired air during a maximal forced expiratory manoeuvre, because this has not previously been fully investigated and it will influence how flow and volume recording devices should be calibrated and used. Temperature was recorded with a fine thermocouple, the response time of which was determined at various gas velocities and for which a correction was made. Recordings during maximal forced expiratory manoeuvres were made on 12 normal subjects and 12 subjects with chronic airflow limitation. The thermocouple was placed in the mouthpiece, so that it was at the

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Rolla, G., C. Bucca, L. Brussino, et al. "Bronchial responsiveness, oscillations of peak flow rate and symptoms in patients with mitral stenosis." European Respiratory Journal 5, no. 2 (1992): 213–18. http://dx.doi.org/10.1183/09031936.93.05020213.

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To better characterize airway hyperresponsiveness reported in cardiac patients questionnaire-recorded symptoms, bronchial responsiveness to methacholine (Mch) and to ultrasonically nebulized distilled water (UNDW), diurnal oscillations of peak expiratory flow (PEF) rate were evaluated in 32 patients with moderate mitral stenosis. Twenty patients were responsive to Mch (defined as provocative dose producing a 20% fall in forced expiratory volume in one second (PD20 FEV1) less than 3.2 mg) (geometric mean PD20 FEV1 851 +/- 154 micrograms SE). Only two patients showed a fall in FEV1 greater than

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Rizvi, Dilshad Ali, Afroz Abidi, Abhishek Agarwal, and Ali Ahmad. "The comparison the efficacy of budesonide by nebulizer, metered dose inhaler and dry powder inhaler in chronic stable bronchial asthma." International Journal of Basic & Clinical Pharmacology 7, no. 7 (2018): 1333. http://dx.doi.org/10.18203/2319-2003.ijbcp20182678.

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Background: The study has been performed to evaluate the efficacy of budesonide delivery by different form of devices like nebulizer, metered dose inhaler and dry powder inhaler to adult patients of chronic stable bronchial asthma. The changes in pulmonary function test parameters have been consider for evaluation.Methods: This prospective study was undertaken to assess the relative efficiency of budesonide administered from devices like nebulizer, metered dose inhaler and dry powder inhaler in adult patients of chronic stable bronchial asthma. Fifty subjects where administered budesonide (1mg

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Hoek, G., and B. Brunekreef. "Time trends in repeated spirometry in children." European Respiratory Journal 5, no. 5 (1992): 553–59. http://dx.doi.org/10.1183/09031936.93.05050553.

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In a study on acute health effects of air pollution in the Netherlands, pulmonary function has been measured repeatedly in children aged 7-11 yrs. In study periods of approximately 3 months, 6-10 tests have been made in a group of 1,621 children. The spirometric data have been examined for the presence of trends of pulmonary function with day of study, independent of air pollution. Peak expiratory flow (PEF) increased more than expected from normal lung growth, whereas for maximal mid-expiratory flow (MMEF) a decrease with time was observed. For forced vital capacity (FVC) and forced expirator

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Zidan, Mohamed S., Marwa M. Elsayed, Azza F. Ismail, Sandra M. Ahmed, and Hany E. Obaya. "Expiratory Muscle Training Versus Functional Electrical Stimulation on Pulmonary and Swallowing Functions in Acute Stroke Patients." Bulletin of Rehabilitation Medicine 22, no. 5 (2024): 30–39. http://dx.doi.org/10.38025/2078-1962-2023-22-5-30-39.

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INTRODUCTION. Post-stroke dysphagia is reported in 30–50 % of stroke population. It increases mortality rate and leads to serious complications such as expiratory muscle affection which is a major cause of defective swallowing and ineffective airway protection. Expiratory muscle strength training (EMST) and functional electrical stimulation (FES) are recommended techniques to improve expiratory muscles performance. AIM. To compare the effect of EMST to that of FES on pulmonary and swallowing functions in acute stroke patients. MATERIAL AND METHODS. Seventy-two patients with post-st

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Wesseling, GJ, M. Quaedvlieg, and EF Wouters. "Inhaled budesonide in chronic bronchitis. Effects on respiratory impedance." European Respiratory Journal 4, no. 9 (1991): 1101–5. http://dx.doi.org/10.1183/09031936.93.04091101.

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In a placebo controlled study the effects of 6 weeks' treatment with inhaled budesonide (1.6 mg daily) on the impedance of the respiratory system, spirometry and symptom scores were evaluated in 35 patients with chronic bronchitis with forced expiratory volume in one second (FEV1) greater than or equal to 70% predicted. Thirty patients completed the study. No statistically significant differences in the changes in morning peak expiratory flow rate (PEFR), symptom scores, use of terbutaline rescue medication and FEV1 were found between the placebo and the active treatment group. Budesonide trea

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Ku, Do-Yeong, Sol-Ji Kim, Hyo-Jin Kim, et al. "The Effects of Breathing Exercise Accompanied by Dynamic Upper Extremity Exercise on Pulmonary Function and Respiratory Muscle Strength of COVID-19 Confirmed Female in Their 20s." KOREAN ACADEMY OF CARDIORESPIRATORY PHYSICAL THERAPY 11, no. 1 (2023): 39–45. http://dx.doi.org/10.32337/kacpt.2023.11.1.39.

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Purpose: This study aimed to examine how breathing exercise accompanied by dynamic upper extremity exercise affects pulmonary function and respiratory muscle strength in females in their 20s who were confirmed to have COVID-19. Methods: This study included female students in their 20s who passed 3-5 weeks after being diagnosed with COVID-19. The subjects were assigned to experimental and control groups according to the participation period. The experimental group performed 10 min of warm-up and cool-down exercise and 30 min of diaphragmatic breathing exercise accompanied by dynamic upper extre

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Sanjay, Nehe, Ambad Ranjit, and Singh Chandralekha. "Effects of Training on Pulmonary Function Test in Long Distance Runners." International Journal of Pharmaceutical and Clinical Research 15, no. 6 (2023): 1190–95. https://doi.org/10.5281/zenodo.12497050.

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<strong>Background: </strong>Running is one of the most popular exercises practiced across the world. Owing to regular exercise during running, long distance runners usually have increased pulmonary/respiratory capacity compared to non-exercising individuals. The present study was conducted in a tertiary care academic hospital with an aim to assess pulmonary function test in long distance runners. <strong>Methods:</strong> A total of 50 long distance runners and 50, age matched individuals with leisure-time physical activity or activities done for less than 20 minutes or less th

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Smeets, M., B. Brunekreef, L. Dijkstra, and D. Houthuijs. "Lung growth of pre-adolescent children." European Respiratory Journal 3, no. 1 (1990): 91–96. http://dx.doi.org/10.1183/09031936.93.03010091.

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Lung growth was studied in 420 Dutch children aged 6-11 yrs. Forced vital capacity (FVC), forced expiratory volume in one second (FEV1), peak expiratory flow (PEF) and maximal mid-expiratory flow (MMEF) were measured four times over a 2.5 yr period with a rolling-seal spirometer. In boys, pulmonary function increased with approximately the same velocity at all ages studied. In girls, however, the growth velocities of FVC and FEV1 increased markedly at age 10 yrs, and growth velocities of PEF and MMEF had increased already at age 9 yrs. The minimum pulmonary function growth velocity could not b

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Șuteu, Carmen Corina, Iolanda Muntean, Cristina Blesneac, Brîndușa Căpîlna, Theodora Benedek, and Rodica Togănel. "A Correlative Study of Spirometric Parameters and Markers of Right Ventricular Dysfunction in Pediatric Patients with Pulmonary Arterial Hypertension." Journal of Interdisciplinary Medicine 1, no. 2 (2016): 153–58. http://dx.doi.org/10.1515/jim-2016-0038.

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Abstract Background: Alteration in lung function is present in children with pulmonary arterial hypertension (PAH). We aimed to study the pulmonary function indices obtained by spirometry in pediatric patients with PAH, and to correlate them with B-type natriuretic peptide (BNP) and echocardiographic parameters. Methods: Thirty-one children with PAH were enrolled in this study, of those 26 patients (83.87%) associated shunt defect and 5 patients (16.12%) were diagnosed with idiopathic PAH. Forced vital capacity (FVC), forced expiratory volume in one second (FEV1), FEV1/FVC, peak expiratory flo

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Demir, Levent, and Mustafa Avci. "Effect of hyperbaric exposure on pulmonary functions in hyperbaric chamber inside attendants." Undersea and Hyperbaric Medicine 49, no. 2 (2022): 161–69. http://dx.doi.org/10.22462/03.04.2022.1.

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Objective: The objective of the study was to compare pulmonary function tests results of hyperbaric chamber inside attendants (HCIAs) working in a hyperbaric chamber before and after sessions. Methods: A total of 68 health care personnel working as HCIAs in the hyperbaric oxygen therapy unit between June 2019 and September 2019 were included in the study. All participants experienced the pressure chamber for the first time. In spirometric evaluation, we measured forced vital capacity (FVC), forced expiratory volume at one second (FEV1), forced expiratory flow at 25%-75% of FVC (FEF25-75) and p

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Ghani, Nadia, and Sara Asghar. "ASSESSMENT OF PULMONARY FUNCTION IMPAIRMENT AND RESPIRATORY HEALTH IN SAW MILL WORKERS EXPOSED TO INDOOR AIR POLLUTION FROM WOOD DUST." International Journal of Advances in Sustainable Development (IJASD) 1, no. 2 (2024): 49–61. https://doi.org/10.51846/ijasd.v1i2.3561.

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Indoor air pollution, exacerbated by rapid industrialization and modern lifestyles, poses significant health risks, particularly in developing countries. This study explores the impact of chronic sawdust exposure on the respiratory health of sawmill workers, focusing on pulmonary function impairment and related respiratory symptoms. A total of 120 workers were studied, including 90 workers in the exposed group, who were subjected to inhaled dust particles exceeding safe limits. Spirometry was employed to assess lung function parameters such as forced vital capacity (FVC), forced expiratory vol

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Jain, Meenu, and J. M. Jadeja. "CORRELATION BETWEEN DURATION OF EXPOSURE TO COTTON DUST AND RESPIRATORY PARAMETERS IN POWERLOOM WORKERS." International Journal of Basic & Applied Physiology 3, no. 1 (2014): 161–64. https://doi.org/10.5281/zenodo.4481809.

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<strong>Background & Objectives</strong>: Textile industry is one or the major industry in India and power looms stand as a backbone for the same. The people working in Power looms are continuously exposed to cotton dust which poses risk of respiratory disorders over the period of time. The present study was conducted with objectives of comparing the lung functions in subjects exposed to cotton dust with those unexposed and to find the correlation between duration of exposure to and respiratory parameters. <strong>Methods</strong>: This was an observational, cross sectional type of study c

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Knox, A. J., B. G. Higgins, I. P. Hall, and A. E. Tattersfield. "Effect of oral lithium on bronchial reactivity in asthma." Clinical Science 82, no. 4 (1992): 407–12. http://dx.doi.org/10.1042/cs0820407.

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1. Recognition that inositol phospholipid-derived second messengers are involved in the initiation and maintenance of airway smooth muscle contraction raises the possibility of new therapeutic approaches to the treatment of asthma. We anticipated that lithium, through its effects on cell signal transduction and ion-transport pathways, would be likely to protect the airways against constrictor stimuli. 2. We carried out a randomized, double-blind study of lithium carbonate in asthmatic patients. 3. After a 1 week run-in period, 27 patients were allocated lithium carbonate (800 mg) or placebo fo

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Meet, Kumar, and Nath Goit Shambhu. "The Impact of Metabolic Syndrome on Pulmonary Function Assessments." International Journal of Toxicological and Pharmacological Research 13, no. 1 (2023): 270–75. https://doi.org/10.5281/zenodo.11314223.

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Metabolic syndrome is a constellation of metabolic abnormalities that increases the risk of developing cardiovascular disease, type 2 diabetes, and other conditions. Several studies have investigated the association between metabolic syndrome and pulmonary function, but the results have been conflicting. The aim of this study was to evaluate the effects of metabolic syndrome on pulmonary function tests (PFTs). <strong>Methods: </strong>This was a prospective, observational study conducted over a period of one year. We included patients with metabolic syndrome who presented to the Dep

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Kashyap, Rashmi, Deepesh Barall, and Saligram Mazta. "Comparative assessment of Industrial air pollutant exposure on pulmonary function and respiratory symptoms among primary school children, Kala Amb, Sirmour, Himachal Pradesh, India." International Journal of Research in Medical Sciences 8, no. 8 (2020): 2909. http://dx.doi.org/10.18203/2320-6012.ijrms20203436.

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Background: Outdoor air quality has been connected with the prevalence of allergic respiratory infections in children. The impact of industrial pollution on respiratory health during early years of life in school children is a major concern. Pulmonary function tests can be used to assess the impact of air pollution and the degree of airway reactivity.Methods: A cross sectional comparative study was conducted between Primary school children aged 6 to 10 years in the industrial area and non-industrial area. Structured questionnaire based data was recorded from the students regarding respiratory

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Akar, H. Haluk, Fulya Tahan, and Hatice Eke Gungor. "The association of forced expiratory volume in one second and forced expiratory flow at 50% of the vital capacity, peak expiratory flow parameters, and blood eosinophil counts in exercise-induced bronchospasm in children with mild asthma." Asia Pacific Allergy 5, no. 2 (2015): 98. http://dx.doi.org/10.5415/apallergy.2015.5.2.98.

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Sharma, Manoj, Taj Haider, and Partha P. Bose. "Yoga as an Alternative and Complementary Treatment for Asthma." Journal of Evidence-Based Complementary & Alternative Medicine 17, no. 3 (2012): 212–17. http://dx.doi.org/10.1177/2156587212453727.

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The morbidity and mortality associated with asthma make it a worldwide health concern. Corticosteroid therapy is the most popular method to treat asthma, but yoga has been identified as an alternative therapy to expensive drugs. A systematic review of studies meeting the following criteria is presented: ( a) be published in the English language; ( b) included in CINAHL, Medline, or Alt HealthWatch; ( c) between the years 1972 and 2012; ( d) include yoga as an intervention; ( e) use any quantitative study design; and ( f) measures one of the following outcomes: forced expiratory volume in 1 sec

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Kim, Dong Hyun, Jeong Hee Kim, and Dae Hyun Lim. "Normal Predicted Reference Values for Spirometry in Korean Children and Adolescents." Children 7, no. 9 (2020): 105. http://dx.doi.org/10.3390/children7090105.

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Pulmonary function tests are useful to evaluate airway obstructions and bronchial responsiveness. We aimed to determine the reference values applicable to Korean children and adolescents. In total, 5590 (2607 males, 2983 females) healthy children aged 4 to 17 years old were recruited from three regions in Korea. Simple and multiple regression analyses were applied using age, height, and weight as variables to predict the forced vital capacity (FVC), forced expiratory volume in one second (FEV1), maximum mid-expiratory flow (MMEF) and the peak expiratory flow rate (PEFR). There were significant

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Pistelli, R., G. Brancato, F. Forastiere, et al. "Population values of lung volumes and flows in children: effect of sex, body mass and respiratory conditions." European Respiratory Journal 5, no. 4 (1992): 463–70. http://dx.doi.org/10.1183/09031936.93.05040463.

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The functional relationship of gender, anthropometric measures and respiratory condition in predicting respiratory function in children was explored, using data collected in a random sample survey in Central Italy (2,176 subjects). Regression equations for the logarithmic transformation of the functional data were obtained, using sex, ln(height), ln(body mass index) (BMI) and ln(age) as predicting variables. The fit of the model was better for forced vital capacity (FVC), forced expiratory volume in one second (FEV1) and peak expiratory flow (PEF) (R2 = 0.655, 0.603 and 0.312, respectively) th

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Weir, DC, RI Gove, AS Robertson, and PS Burge. "Response to corticosteroids in chronic airflow obstruction: relationship to emphysema and airways collapse." European Respiratory Journal 4, no. 10 (1991): 1185–90. http://dx.doi.org/10.1183/09031936.93.04101185.

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We have studied the relationship between emphysema and airways collapse, and response to corticosteroids in patients with chronic airflow obstruction. One hundred and seven patients completed a placebo-controlled trial comparing 2 wks treatment with oral prednisolone 40 mg.day-1 to inhaled beclomethasone dipropionate 500 micrograms t.d.s. Response to corticosteroids was defined on the basis of changes in forced expiratory volume in one second (FEV1), and/or forced vital capacity (FVC), and/or mean peak expiratory flow (PEF) after treatment. Patients were categorized as those with physiological

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Ahsan, Mohammad, Hussain Al Khowaildi, Hadi Al Khalaf, et al. "Determining the respiratory functions and isometric strength differences among recreational athletes and non-athletes: a cross-sectional analysis." Retos 61 (October 2, 2024): 495–500. http://dx.doi.org/10.47197/retos.v61.107676.

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Understanding the differences in respiratory functions and isometric strength between recreational athletes and non-athletes has a significant importance in the fields of Sports science, exercise physiology, and performance enhancement. The purpose of this study was to determine the respiratory functions and isometric strength differences among recreational athletes and non-athletes. A cross-sectional design was selected for this research with 16 recreational athletes and 16 non-athletes. Respiratory functions were assessed using spirometry tests, measuring parameters such as forced vital capa

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Ramesh, Bhat, Pratik Kumar Chatterjee, Budihal Suman Veerappa, Arun Kumar Nayanatara, Kunal ., and Nithyananda Madom Anantharaya Vinodini. "The efficacy of two-year yogic practice on selected pulmonary function test in postmenopausal women." Biomedicine 39, no. 2 (2020): 292–97. http://dx.doi.org/10.51248/.v39i2.197.

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Introduction and Aim: Menopausal transition has been well associated with a series of hormonal changes that has been linked to impairment of respiratory function. The present study was designed to evaluate the cumulative effect of practicing yoga on certain respiratory parameters in postmenopausal women. Materials and Methods: Sixty postmenopausal women were divided into two groups (n=30 each). Based on the duration of yoga, they were grouped into Group I – (Regularly doing yoga for one year) and Group II (Regularly doing yoga for the two years). The women not doing any yogic exercises w

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Huguet-Rodríguez, Marta, José Luis Arias-Buría, Belén Huguet-Rodríguez, Rocío Blanco-Barrero, Daniel Braña-Sirgo, and Javier Güeita-Rodríguez. "Impact of Aquatic Exercise on Respiratory Outcomes and Functional Activities in Children with Neuromuscular Disorders: Findings from an Open-Label and Prospective Preliminary Pilot Study." Brain Sciences 10, no. 7 (2020): 458. http://dx.doi.org/10.3390/brainsci10070458.

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Neuromuscular disorders (NMD) lead to the progressive loss of motor and respiratory functions and a decline in daily activities and participation. We aimed to evaluate respiratory changes and functional outcomes in children attending an aquatic therapy program. Eleven patients diagnosed with NMD (4–18 years, Vignos scale 1–9) were involved in a 10-week aquatic exercise program. The ventilation variables were: peak cough flow, volumes (forced expiratory volume in one second-FEV1 and inspiratory volume) and respiratory pressures to evaluate strength and oxygen saturation (O2 sat). Functional ski

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Foucard, T., and G. Lonnerholm. "A study with cumulative doses of formoterol and salbutamol in children with asthma." European Respiratory Journal 4, no. 10 (1991): 1174–77. http://dx.doi.org/10.1183/09031936.93.04101174.

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In a double-blind, cross-over study, 9 children (7-13 yrs old) with stable, moderate asthma inhaled formoterol (6, 18 and 54 micrograms) and salbutamol (100, 300 and 900 micrograms) at hourly intervals, in order to compare the peak effect of cumulative doses of the two drugs. One hour after the last dose, 1 mg salbutamol was inhaled to ensure that maximum bronchodilatation was obtained. The forced expiratory volume in one second (FEV1), peak expiratory flow rate (PEFR), forced vital capacity (FVC), pulse rate, blood pressure and tremor were measured regularly after each dose and the PEFR 5, 7,

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Edwards, AM, and MT Stevens. "The clinical efficacy of inhaled nedocromil sodium (Tilade) in the treatment of asthma." European Respiratory Journal 6, no. 1 (1993): 35–41. http://dx.doi.org/10.1183/09031936.93.06010035.

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Inhaled nedocromil sodium, an anti-inflammatory agent for the maintenance treatment of asthma, has been the subject of many clinical trials but only a proportion have been published. This paper provides an overview analysis of all known placebo-controlled, double-blind, randomized therapeutic trials. Both single centre and multicentre trials are included. A comparison has been made between the treatment effects of nedocromil sodium and placebo, using six efficacy variables (day and night asthma, cough, mean daily peak expiratory flow rate, inhaled bronchodilator use, clinic lung function (forc

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Suhas Y. Shirur, Veena H.C., Pradhyumn. "Effect of Yoga (Pranayama and Suryanamaskar) on Cardio Pulmonary functions among Adults." International Journal of Physiology 7, no. 4 (2019): 233–37. http://dx.doi.org/10.37506/ijop.v7i4.98.

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Background Yoga has been an ancient practice in India which promises many benefits both physical and mental. Present study was to assess the effect of long term practice of yoga on cardiorespiratory functions. Method The study was conducted on 64 subjects of age 20–65 years. Study group consisted of 32 yoga practitioners, practicing yoga daily for a minimum period of one year. Control group consisted of 32 subjects who never practiced yoga or any other exercises. Data on physical characteristics such as age, height, weight and Body Mass Index were obtained. Cardio respiratory

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Liaqat, Nazneen, Izhar Ahmad, Zeeshan Ali, Israr Ud Din, Junaid Aziz Qadri, and Marwa Ibrahim Widatalla Abdalla. "Immediate effects of thyroid surgery on pulmonary dynamics of upper airway: A preoperative and postoperative comparison using flow volume loop and spirometry." F1000Research 14 (March 25, 2025): 323. https://doi.org/10.12688/f1000research.162645.1.

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Background The upper airways are at potential risk for injury during thyroid surgery because of close abutment with the gland. This study aims to quantify the immediate effects of thyroid surgery on the upper airway by comparing preoperative spirometry and flow-volume loop (FVL) metrics with postoperative measurements. Methods A cohort of forty adult patients who underwent thyroid surgery at the Department of Otolaryngology, Khyber Teaching Hospital, Peshawar, Pakistan from April 2023 to April 2024, was included in this study. Pulmonary function tests, including Flow volume loop (FVL) and spir

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Ghimire, Dayaram, Saurav Manna, and Esha Shrestha. "Pulmonary Function Tests in Transport Workers Within the Ring Road of Kathmandu Valley." Med Phoenix 3, no. 1 (2018): 52–59. http://dx.doi.org/10.3126/medphoenix.v3i1.20763.

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Background: Transport workers (drivers and helpers) are exposed to dust and vehicle emissions continuously throughout their duty hours. Most common health hazards on exposure to air pollution is related to respiratory system. The main objective of the study was to measure lung function parameters of transport workers and compare results with those of the general public. This study also aimed to evaluate the effect of job duration on transport workers.Methods: A cross-sectional comparative study was done in a total of 78 apparently healthy, non-smoking, male transport workers working for at lea

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Tony, Sara M., Mona A. Abdelrahman, Mogeda Abd Elsalam, Mahmoud Sameer Shafik, and Mohamed EA Abdelrahim. "Overview of Spirometry and the Use of Its Parameters for Asthma Monitoring in Children." Journal of Clinical and Nursing Research 6, no. 3 (2022): 89–103. http://dx.doi.org/10.26689/jcnr.v6i3.3964.

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Asthma is the most common chronic pulmonary disease in the world, affecting more than three hundred million people from different races and age groups. Childhood asthma is considered one of the main causes of increased healthcare expenditures, particularly in developing countries. Spirometry is the most essential and commonly used lung function test. It is used mainly for the evaluation of lung function to obtain reliable data used for the detection of lung diseases, such as asthma, as well as for monitoring lung health. The two spirometry parameters, peak expiratory flow rate (PEFR) and force

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Persson, G., B. Olsson, and S. Soliman. "The impact of inspiratory effort on inspiratory flow through Turbuhaler in asthmatic patients." European Respiratory Journal 10, no. 3 (1997): 681–84. http://dx.doi.org/10.1183/09031936.97.10030681.

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To investigate the impact of the inhalation effort on the peak inspiratory flow through Turbuhaler, 100 asthmatics having a wide range of asthma severity (baseline forced expiratory volume in one second 28-127% of predicted normal) were studied. Each patient inhaled through four modifications of empty Turbuhaler inhalers, using first a "deep" inhalation and then a "forceful and deep" inhalation manoeuvre. Peak inspiratory flow increased by an average of 20% using a "forceful and deep" as compared to a "deep" inhalation, with a markedly higher increase for the patients who had a low peak inspir

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