• Thirty-seven girls diagnosed with adolescent idiopathic scoliosis with a mean age of 13 years (range, 11-16) and an average scoliotic curve of 32.8 degrees Cobb (range, 20-45 degrees) were studied by basal spirometry and dynamic ventilatory parameters during a maximal exercise tolerance test. (nih.gov)
  • Specifically, this section addresses the interpretation of spirometry, bronchodilator response, carbon monoxide diffusing capacity ( D L,CO ) and lung volumes. (ersjournals.com)
  • The sources of variation in lung function testing and technical aspects of spirometry, lung volume measurements and D L,CO measurement have been considered in other documents published in this series of Task Force reports 1 - 4 and in the American Thoracic Society (ATS) interpretative strategies document 5 . (ersjournals.com)
  • To calculate lung function growth, which is determined primarily by changes in lung capacity as a child grows, the researchers used spirometry, a technique which measures the volume and speed of air as it is exhaled from the lungs. (eurekalert.org)
  • In each follow-up visit, the patients where inquired about cough and dyspnea, and performed spirometry, lung volumes, carbon monoxide diffusion capacity (DLCO), 6-minute walk test (6MWT), and respiratory muscle strength (MIP and MEP). (bjid.org.br)
  • Spirometry measures the maximal expiratory flow and exhaled volume during a forced expiratory vital capacity maneuver. (medscape.com)
  • Spirometry measures lung volumes during a forced maximal exhalation. (nursenacole.com)
  • Spirometry, diffusing capacity for carbon monoxide (DLco), and maximal oxygen consumption are important for determining a patient's preoperative respiratory function. (biomedcentral.com)
  • it is possible to perform forced spirometry in paediatric patients with high-quality results at the primary care level if the necessary material resources and qualified personnel are available. (pap.es)
  • 1,2 Still, these signs and symptoms are not specific to asthma, so clinical practice guidelines recommend performance of objective diagnostic tests, such as forced spirometry. (pap.es)
  • Forced spirometry is used to confirm the diagnosis, rule out other diseases, assess severity, assess the response to treatment and monitor the course of disease. (pap.es)
  • Assessing functional res-pi-ra-tory parameters is often challenging, especially in children, where spirometry requires the full collaboration in order to cor-rectly aquire and interpret flows and volumes. (medichub.ro)
  • Quantitative measures of inspiratory and expiratory flow are obtained by forced spirometry. (msdmanuals.com)
  • RESULTS: Maximal inspiratory pressure (PImax) increased by 32% (95% CI, 18-45) in the active group with no change in the sham group (p = 0.51). (bvsalud.org)
  • When comparing VO2peak and respiratory muscle parameters, the sustained maximal inspiratory pressure (SMIP) was the only factor with a significant relationship with VO2peak. (cpxinternational.com)
  • Mean maximal inspiratory pressure was 74,66 ± 22,95 cm H 2 O and 103,52 ± 25,67 cm H 2 O for girls and boys, respectively. (bvsalud.org)
  • and the PEF, or peak expiratory flow, which is the maximal flow achieved when air is forcibly exhaled immediately after being inhaled. (eurekalert.org)
  • Peak expiratory flow (PEF) is a measure of maximum instantaneous expiratory flow and is used as an indicator of airway caliber in asthma. (medscape.com)
  • The advantage of peak expiratory flow is that the test can be self-administered on a daily basis, and the results can be recorded manually or electronically to attain the day-to-day or intraday variability. (medscape.com)
  • HIV has been identified as a risk factor for emphysema (damaged alveoli), expiratory airflow limitations, gas exchange abnormalities and respiratory symptoms. (aidsmap.com)
  • Respiratory complications are most common cause of morbidity/mortality in patients with cervical spinal cord injury (cSCI) due to respiratory muscle weakness and lower diaphragm position resulting in limited availability of inspiration, reduced thorax mobility and limited forced expiration. (nel.edu)
  • If the pulse pressure increases, and maximal breathing capacity and forced expiratory volume increase, leading to hyperventilation and respiratory depression. (revivemedicalny.com)
  • Maximal respiratory pressures were assessed by a digital manometer with the adolescents in the seated position and wearing a nose clip. (bvsalud.org)
  • were not successful in predicting the values for maximal respiratory pressures in the population studied, indicating the necessity of using in clinical practice reference values from a healthy population of the same ethnicity. (bvsalud.org)
  • The measurement of maximal static respiratory pressures (MRP) at the mouth provides subsidies to direct the preoperative and postoperative therapeutic goals 1 , assess the response to respiratory muscle training and allows early muscle weakness identification in various pathological conditions 2 . (bvsalud.org)
  • All subjects completed the test to exhaustion to determine maximal oxygen uptake (VO2 max) and ventilatory efficiency parameters. (nih.gov)
  • VO 2max , Maximal oxygen uptake. (biomedcentral.com)
  • The maximal oxygen uptake (VO2max) is the gold standard measure of aerobic exercise capacity and is an important outcome measure in patients with chronic obstructive pulmonary disease (COPD). (cpxinternational.com)
  • Statistically significant decreases have been observed in 1 second forced expiratory volumes, maximal midexpiratory flow rates, and specific conductance. (medscape.com)
  • VC and FVC are defined as the maximal inhalation/exhalation volume in either relaxed or forced manner, respectively. (biomedcentral.com)
  • Airflow and lung volume measurements can be used to differentiate obstructive from restrictive pulmonary disorders, to characterize severity, and to measure responses to therapy. (msdmanuals.com)
  • Most currently used devices measure only airflow and integrate time to estimate the expired volume. (msdmanuals.com)
  • Compared with expiratory HU attenuation, significant positive correlation was shown to FEV1.0/FVC and negative correlation to single-breath diffusion capacity for carbon monoxide, which was confirmed by a simple regression analysis. (scirp.org)
  • All patients had undergone inspiratory and expiratory chest thin-section computed tomography (CT) examinations and pulmonary function tests. (scirp.org)
  • All variables (age, sex, indices of pulmonary function test results, air trapping score, HU value, and rate of change in lung volume) were compared by diagnoses and air trap- ping findings cohorts. (scirp.org)
  • H. Arakawa and W. R. Webb, "Air Trapping on Expiratory High-Resolution CT Scans in the Absence of Inspiratory Scan Abnormalities: Correlation with Pulmonary Function Tests and Differential Diagnosis," American Journal of Roentgenology, Vol. 170, No. 5, 1998, pp. 1349-1353. (scirp.org)
  • The role of PR in a preoperative setting has been broadly explored in patients with pulmonary emphysema registered for lung volume resection surgery [ 2 ]. (e-arm.org)
  • Following comprehensive pulmonary function assessment, a maximal CPET was performed on a motorized treadmill. (wku.edu)
  • Studies have found that unadjusted flow and volume values are more predictive of patient outcomes than ethnically adjusted values, suggesting that these adjustments may result in under-recognition (and thus undertreatment) of true decreases in pulmonary function in non-White individuals. (msdmanuals.com)
  • In inspiratory flow and volume assessments, patients exhale as completely as possible, then forcibly inhale. (msdmanuals.com)
  • A prospective evaluation of cardiopulmonary tolerance to maximal exercise in adolescent idiopathic scoliosis. (nih.gov)
  • To evaluate ventilatory functional restrictions during a maximal exercise tolerance test in idiopathic scoliosis patients with mild and moderate curves and to compare them with the results obtained in healthy adolescents matched in age undergoing similar test. (nih.gov)
  • Few reports have dealt with cardiorespiratory response to maximal exercise in adolescent idiopathic scoliosis with mild to moderate curves. (nih.gov)
  • Although patients with mild or moderate scoliosis do not exhibit cardiopulmonary restrictions in basal static conditions, they do show a significant lower tolerance to maximal exercise. (nih.gov)
  • However, since exercise ventilatory limitation is far from being reached, their use is safe even during maximal exercise, with a slight reduction in performance. (researchgate.net)
  • The exercise can be a field or a laboratory based test but should be of relatively high intensity (80-90% of maximal heart rate) and duration (at least 5-8 minutes). (solunum.org.tr)
  • METHODS: A total of 223 participants in the Cooperative Study of Sickle Cell Disease (CSSCD) (64% female, 70% hemoglobin SS/Sbeta(0) thalassemia, mean age 43.3 +/- 7.5 years) underwent maximal exercise testing using a treadmill protocol with a mean duration of 11.6 +/- 5.2 minutes. (cdc.gov)
  • Adults with SCD tolerated maximal exercise testing. (cdc.gov)
  • MVV is the maximal volume of air that an individual can inhale/exhale by voluntary effort in one minute. (biomedcentral.com)
  • These events are usually associated with worsening expiratory flow limitation. (heraldopenaccess.us)
  • Thereto, we determined TUG, 6MWD, normalised jump power, centre of pressure displacement during 1-leg standing, forced expiratory volume in 1 s, percentage of age-predicted maximal heart rate (HR%) and height in 419 healthy young (men: 23.5 ± 2.8 years, women: 23.2 ± 2.9 years) and old (men: 74.6 ± 3.2 years, women: 74.1 ± 3.2 years) adults. (vu.nl)
  • The correlation between lung function test results and expiratory HU attenuation were analyzed. (scirp.org)
  • Measurements are typically reported as absolute flows and volumes and as percentages of predicted values using data derived from large populations of people presumed to have normal lung function. (msdmanuals.com)
  • To study the relative impact of cooking with gas on lung function parameters of primary school children in a wide range of geographical settings, we analysed flow and volume data of ∼24,000 children (aged 6-12 yrs) from nine countries in Europe and North America. (ersjournals.com)
  • We evaluated cardiorespiratory parameters at rest and during maximal exertion to highlight any differences with the use of protection masks. (researchgate.net)
  • After adjustment with 2-month average exposure, forced expiratory volume in forced expiratory flow at 25% of FVC (FEF25%) was negatively associated with O3 in 2-6 years of life. (ntu.edu.tw)
  • Mean maximal expiratory pressure was 86,23 ± 25,92 cm H 2 O and 120,08 ± 27,37 cm H 2 O for girls and boys, respectively. (bvsalud.org)
  • Additional activity had the most impact on the reduction of body fat, increase of explosive power of leg muscles, agility and maximal aerobic endurance in test subjects. (gov.rs)
  • Origin for lung function decline is the maximal point of lung function within 2.5 years after start of treatment. (ersjournals.com)
  • For example, historical cohorts of primarily American and European adults showed lower lung volumes in multiple non-White ethnic groups (eg, Blacks, Hispanics, Asians) than in Whites. (msdmanuals.com)
  • These diseases are typically characterized by a reduction in expiratory air flow rates. (cdc.gov)
  • A new research paper was published in Aging's Volume 15, Issue 10, entitled, "DNAmFitAge: biological age indicator incorporating physical fitness. (rapamycin.news)
  • Antibiotic selection was based on identifying an aggressive combination of inhaled and intravenous therapies with broad coverage to obtain maximal in-vivo treatment synergy as multiple patient strains demonstrated pan-resistance based on in-vitro antibiotic sensitivity testing. (medscape.com)
  • The average maximal responses to CBE and CDE were drops in MEF40% to 68. (cdc.gov)