Results 11 to 20 of about 12,006,331 (115)

Analysis of maximal expiratory flow-volume curves in adult survivors of preterm birth [PDF]

American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 2019
Adult survivors of very preterm (≤32 wk gestational age) birth without (PRE) and with bronchopulmonary dysplasia (BPD) have variable degrees of airflow obstruction at rest. Assessment of the shape of the maximal expiratory flow-volume (MEFV) curve in PRE and BPD may provide information concerning their unique pattern of airflow obstruction.
Yannick Molgat-Seon, Paolo B. Dominelli, Carli M. Peters, Jordan A. Guenette, A. William Sheel, Igor M. Gladstone, Andrew T. Lovering, Joseph W. Duke   +7 more
openaire   +2 more sources

Baseline spirometry parameters as predictors of airway hyperreactivity in adults with suspected asthma

BMC Pulmonary Medicine, 2021
Background Methacholine challenge tests (MCTs) are used to diagnose airway hyperresponsiveness (AHR) in patients with suspected asthma where previous diagnostic testing has been inconclusive.
Michael Peled, David Ovadya, Jennifer Cohn, Lior Seluk, Teet Pullerits, Michael J. Segel, Amir Onn   +6 more
doaj   +1 more source

Excessive gas exchange impairment during exercise in a subject with a history of bronchopulmonary dysplasia and high altitude pulmonary edema [PDF]

, 2007
A 27-year-old male subject (V(O2 max)), 92% predicted) with a history of bronchopulmonary dysplasia (BPD) and a clinically documented case of high altitude pulmonary edema (HAPE) was examined at rest and during exercise.
Lovering, AT, Haverkamp, HC, Hokanson, JS, Eldridge, MW, Andrew T. Lovering, Lee M. Romer, John S. Hokanson, Romer, LM, Marlowe W. Eldridge, Hans C. Haverkamp   +9 more
core   +1 more source

Gas exchange during exercise in habitually active asthmatic subjects [PDF]

, 2005
We determined the relations among gas exchange, breathing mechanics, and airway inflammation during moderate- to maximum-intensity exercise in asthmatic subjects.
Haverkamp, HC, Eldridge, MW, Rodman, JR, Pegelow, DF, Miller, JD, Romer, LM, Dempsey, JA   +6 more
core   +1 more source

Ventilatory Limitation of Exercise in Pediatric Subjects Evaluated for Exertional Dyspnea

Frontiers in Physiology, 2019
Purpose: Attribution of ventilatory limitation to exercise when the ratio of ventilation (V˙E) at peak work to maximum voluntary ventilation (MVV) exceeds 0.80 is problematic in pediatrics. Instead, expiratory flow limitation (EFL) measured by tidal flow-
Paolo T. Pianosi, Joshua R. Smith
doaj   +1 more source

Factors for the Variability of Three Acceptable Maximal Expiratory Flow–Volume Curves in Chronic Obstructive Pulmonary Disease

International Journal of COPD, 2021
Masafumi Yamamoto,1 Satoshi Konno,2 Hironi Makita,2,3 Katsuaki Nitta,4 Kaoruko Shimizu,2 Masaru Suzuki,2 Mutsumi Nishida,1 Junichi Sugita,1 Takanori Teshima,1 Masaharu Nishimura2,3 1Division of Laboratory and Transfusion Medicine, Hokkaido University ...
Yamamoto M, Konno S, Makita H, Nitta K, Shimizu K, Suzuki M, Nishida M, Sugita J, Teshima T, Nishimura M   +9 more
doaj  

The application of respiratory muscle training to competitive rowing [PDF]

, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Respiratory muscle training (RMT) has been shown to improve exercise tolerance during a wide range of exercise modalities and durations of activity ...
Griffiths, Lisa Ann
core   +5 more sources

Validation of new marker of fluid responsiveness based on Doppler assessment of blood flow velocity in superior vena cava in mechanically ventilated pigs

Intensive Care Medicine Experimental, 2018
Background We studied a novel approach for the evaluation and management of volemia: minimally invasive monitoring of respiratory blood flow variations in the superior vena cava (SVC). We performed an experiment with 10 crossbred (Landrace × large white)
Tomas Kovarnik, Miroslav Navratil, Jan Belohlavek, Mikulas Mlcek, Martin Chval, Zhi Chen, Stepan Jerabek, Otomar Kittnar, Ales Linhart   +8 more
doaj   +1 more source

Reference value for expiratory time constant calculated from the maximal expiratory flow-volume curve

BMC Pulmonary Medicine, 2019
Abstract Background The expiratory time constant (RCEXP), which is defined as the product of airway resistance and lung compliance, enable us to assess the mechanical properties of the respiratory system in mechanically ventilated patients.
Takamitsu Ikeda, Yasuhiro Yamauchi, Kanji Uchida, Koji Oba, Takahide Nagase, Yoshitsugu Yamada   +5 more
openaire   +3 more sources

Padrões ventilatórios na espirometria em pacientes adolescentes e adultos com fibrose cística Respiratory patterns in spirometric tests of adolescents and adults with cystic fibrosis

Jornal Brasileiro de Pneumologia, 2009
OBJETIVO: Avaliar os padrões dos distúrbios ventilatórios observados na espirometria em pacientes com fibrose cística (FC) e suas relações com a gravidade funcional e com o comportamento dos fluxos máximos expiratórios a baixos volumes.
Bruna Ziegler, Paula Maria Eidt Rovedder, Paulo de Tarso Roth Dalcin, Sérgio Saldanha Menna-Barreto   +3 more
doaj   +1 more source