Gotowe bibliografie tematyczne / Lungs volume

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Gotowa bibliografia na temat „Lungs volume”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Lungs volume"

James, A., G. Pearce-Pinto, and D. Hillman. "Effects of lung volume and surface forces on maximal airway smooth muscle shortening." Journal of Applied Physiology 77, no. 4 (1994): 1755–62. http://dx.doi.org/10.1152/jappl.1994.77.4.1755.

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The effects of lung volume and surface forces on airway smooth muscle shortening were studied in isolated perfused rat lungs. The lungs were inflated via the trachea with gas or Krebs solution (n = 12 each) to volumes equivalent to gas inflation pressures of 5 (low), 15 (medium), and 25 (high) cmH2O (n = 4 each). At each volume, two of the four lungs were perfused with methacholine (10(-2) M) and then all were perfused with Formalin for fixation. The amount of smooth muscle shortening present in transverse sections of the airways was determined by comparing the observed outer perimeter of the

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Walker, A. M., B. C. Ritchie, T. M. Adamson, and J. E. Maloney. "Effect of changing lung liquid volume on the pulmonary circulation of fetal lambs." Journal of Applied Physiology 64, no. 1 (1988): 61–67. http://dx.doi.org/10.1152/jappl.1988.64.1.61.

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During fetal life the lung develops as a liquid-filled structure with low blood flow compared with postnatal life. We studied the effects of liquid expansion of the fetal lung by measuring vascular conductance in perfused lungs in situ and arterial diameters in excised lungs of fetal lambs. Pulmonary vascular conductance invariably rose as the lung was deflated from its initial volume; maximal deflation to residual volume increased conductance 122%. With reexpansion, conductance fell progressively, culminating in cessation of flow at lung volumes of twice the initial volume. These changes pers

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Wilson, Theodore A., Ron C. Anafi, and Rolf D. Hubmayr. "Mechanics of edematous lungs." Journal of Applied Physiology 90, no. 6 (2001): 2088–93. http://dx.doi.org/10.1152/jappl.2001.90.6.2088.

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Using the parenchymal marker technique, we measured pressure (P)-volume (P-V) curves of regions with volumes of ∼1 cm3 in the dependent caudal lobes of oleic acid-injured dog lungs, during a very slow inflation from P = 0 to P = 30 cmH2O. The regional P-V curves are strongly sigmoidal. Regional volume, as a fraction of volume at total lung capacity, remains constant at 0.4–0.5 for airway P values from 0 to ∼20 cmH2O and then increases rapidly, but continuously, to 1 at P = ∼25 cmH2O. A model of parenchymal mechanics was modified to include the effects of elevated surface tension and fluid in t

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Sivan, Y., J. Hammer, and C. J. Newth. "Measurement of high lung volumes by nitrogen washout method." Journal of Applied Physiology 77, no. 3 (1994): 1562–64. http://dx.doi.org/10.1152/jappl.1994.77.3.1562.

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Studies on human infants suggested that thoracic gas volume (TGV) measured at end exhalation may not depict the true TGV and may differ from TGV measured from a series of higher lung volumes and corrected for the volume added. This was explained by gas trapping. If true, we should expect the discrepancy to be more pronounced when functional residual capacity (FRC) and higher lung volumes are measured by gas dilution techniques. We studied lung volumes above FRC by the nitrogen washout technique in 12 spontaneously breathing rhesus monkeys (5.0–11.3 kg wt; 42 compared measurements). Lung volume

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Makarova, Anna V., Mudhar A. А. Alshaowa, Оlga S. Maslak, and Аlexandr Yu Mushkin. "Lung Volume and Pneumatization Changes in Children in Early Post-Surgical Period After Correction of Severe Neuromuscular Scoliosis Complicated with Respiratory Failure: Cohort Study." Current Pediatrics 23, no. 3 (2024): 174–80. http://dx.doi.org/10.15690/vsp.v23i3.2766.

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Background. The effect of spinal deformity surgical correction in children with severe neuromuscular scoliosis (NMS) on lung function remains unexplored.Objective. The aim of the study is to — to survey the dynamics of volume and structure of lungs pneumatization in children after surgical correction of severe neuromuscular deformities of the spine complicated by respiratory disorders.Methods. CT scans of lungs from 5 children with right-sided NMS, grade IV (Cobb angle < 50°) and functional respiratory disorders (lung capacity < 30% of normal value according to spirometry data and/or cli

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Shardonofsky, F. R., M. Skaburskis, J. Sato, W. A. Zin, and J. Milic-Emili. "Effects of volume history and vagotomy on pulmonary and chest wall mechanics in cats." Journal of Applied Physiology 71, no. 2 (1991): 498–508. http://dx.doi.org/10.1152/jappl.1991.71.2.498.

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Using the technique of rapid airway occlusion during constant-flow inflation, we studied the effects of inflation volume, different baseline tidal volumes (10, 20, and 30 ml/kg), and vagotomy on the resistive and elastic properties of the lungs and chest wall in six anesthetized tracheotomized paralyzed mechanically ventilated cats. Before vagotomy, airway resistance decreased significantly with increasing inflation volume at all baseline tidal volumes. At any given inflation volume, airway resistance decreased with increasing baseline tidal volume. After vagotomy, airway resistance decreased

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Sahebjami, H., and J. MacGee. "Effects of starvation on lung mechanics and biochemistry in young and old rats." Journal of Applied Physiology 58, no. 3 (1985): 778–84. http://dx.doi.org/10.1152/jappl.1985.58.3.778.

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Two groups of rats (young and old) were food-deprived for 3 wk and were compared with age-matched fed groups. Final body weight and dry and wet weights of lungs were significantly reduced in both young and old starved rats. As determined by saline volume-pressure (VP) curves, lungs of young starved rats accepted significantly less volume at all pressure levels compared with lungs of young fed rats. When expressed as a percent of maximum lung volume, the VP curve in young starved rats was significantly shifted upward at low lung volumes. In the old rats, the VP curves were similar in fed and st

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Brusasco, V., D. O. Warner, K. C. Beck, J. R. Rodarte, and K. Rehder. "Partitioning of pulmonary resistance in dogs: effect of tidal volume and frequency." Journal of Applied Physiology 66, no. 3 (1989): 1190–96. http://dx.doi.org/10.1152/jappl.1989.66.3.1190.

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To determine the sensitivity of pulmonary resistance (RL) to changes in breathing frequency and tidal volume, we measured RL in intact anesthetized dogs over a range of breathing frequencies and tidal volumes centering around those encountered during quiet breathing. To investigate mechanisms responsible for changes in RL, the relative contribution of airway resistance (Raw) and tissue resistance (Rti) to RL at similar breathing frequencies and tidal volumes was studied in six excised, exsanguinated canine left lungs. Lung volume was sinusoidally varied, with tidal volumes of 10, 20, and 40% o

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Saidel, G. M., and M. Modarreszadeh. "Pulmonary diffusing capacity in the presence of ventilation inhomogeneity." Journal of Applied Physiology 63, no. 6 (1987): 2438–49. http://dx.doi.org/10.1152/jappl.1987.63.6.2438.

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A model has been developed to quantify the effectiveness of alveolar-capillary transport in the presence of ventilation inhomogeneity. The exhalation dynamics of carbon monoxide (CO), argon (Ar), and lung volume from a single-breath experiment are analyzed simultaneously. A membrane transport coefficient (MTCO) that does not vary with lung volume is evaluated by a two-stage optimization procedure and related to diffusing capacity. Also, the model allows for a decrease in membrane transport rate associated with reduced lung volume. The model is tested by simulation studies and experiments with

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Miller, A. A., S. B. Hooper, and R. Harding. "Role of fetal breathing movements in control of fetal lung distension." Journal of Applied Physiology 75, no. 6 (1993): 2711–17. http://dx.doi.org/10.1152/jappl.1993.75.6.2711.

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Our aim was to determine the role of fetal breathing movements (FBM) in the maintenance of fetal lung liquid volume. Experiments were performed in 14 chronically catheterized fetal sheep. FBM were selectively abolished for 48 h by the infusion of tetrodotoxin (TTX) onto the phrenic nerves of five fetuses. Lung liquid volumes and secretion rates were measured before each treatment, 46–48 h after the start of the TTX infusion, and 22–24 h after the end of the infusion. Blockade of the phrenic nerves reduced fetal lung liquid volumes from 27.6 +/- 1.9 to 21.8 +/- 2.6 ml/kg and increased lung liqu

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Rozprawy doktorskie na temat "Lungs volume"

PLASSMAN, BRENDA LEE. "PERCEPTION OF LUNG VOLUME IN NORMAL HUMAN SUBJECTS." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183843.

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Ability to duplicate an inspired volume level was studied in five healthy males using the psychophysical method of reproduction. Three conditions were evaluated in order to investigate the perceptual cues used for obtaining a specific inspired volume. Conditions were designed to progressively remove cues that might affect the subject's ability to duplicate an inspired lung volume. In each, the subject performed a standard inspiration, spanning from end expiratory position to 35% of inspiratory capacity. Conditions were varied as follows: (1) subjects were instructed to perform both the standar

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Karlsson, Denise. "Do people with larger lungs speak in longer utterances and inhale less frequently? : Relationships between lung capacity, respiratory rate, proportion of lung capacity used for speech and utterance durations." Thesis, Stockholms universitet, Institutionen för lingvistik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-182407.

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This study examined the relationship between lung capacity, speech volume and duration of utterances. 8 adult subjects, 4 males and 4 females (24-36 yrs), participated. By breathing into a digital spirometer, lung capacities such as Vital Capacity (VC) and Inspirational Capacity (IC) were estimated. Respiratory movements were measured using Respiratory Inductance Plethysmography (RIP), and these respiratory movements were calibrated in litres using the spirometer. The proportion of lung capacity used for speech was estimated from the calibrated RIP signals during reading of a nonsense text wit

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Eriksson, Leif. "Lung transplantation clinical and experimental studies /." Lund : Depts. of Cardiothoracic Surgery, Respiratory Medicine and Clinical Physiology, University of Lund, 1998. http://catalog.hathitrust.org/api/volumes/oclc/39068785.html.

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Johansson, Soller Maria. "Cytogenetic studies of lung tumors." Lund : Dept. of Clinical Genetics, University of Lund, 1994. http://catalog.hathitrust.org/api/volumes/oclc/39068855.html.

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Kahraman, Ali Teymur. "Automatic Interpretation of Lung CT Volume Images." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-454689.

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Computer-aided systems in medical imaging nowadays play a crucial role to assist clinicians. Research shows that the use of computer-aided systems is indispensable to alleviate the workload of clinicians. In this thesis, a new framework, which interprets lung computed tomography (CT) volume images automatically is proposed to help clinicians. A common interpretation tasks of lung CT volume images involves segmentation and extraction of the organs in the thoracic cavity. The developed framework consists of six main steps to segment and extracts the major parts in the thoracic cavity. In thefirs

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Walther, G. B. "Lung volume reduction surgery : the Groote Schuur experience." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/2832.

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Bibliography: leaves 54-60.<br>From recent statistics (79,59) it has been concluded that COPD is the most common lung disease in the United States affecting almost 16 million people. The mortality is rising, COPD is the fourth most common cause of death in USA after myocardial infarctions, cancer and stroke (91). COPD is clearly under diagnosed in the early stages (101). Early smoking cessation would have an enormous impact on the progression of the disease (7,24,25,58,106).

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Schachter, L. M. "Change in lung volume in asthma with particular reference to obesity." Thesis, The University of Sydney, 2005. http://hdl.handle.net/2123/979.

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Over the last 20 years both asthma and obesity have increased in prevalence. What is the link? There are data to suggest that increasing obesity is a risk for the increase in prevalence of asthma. A number of mechanisms have been postulated including the effects of reduced lung volume on bronchial reactivity and mechanical changes with lower lung volumes. Other possibilities include other obesity-induced co-morbidities including gastro-oesophageal reflux. The aim of this thesis was to evaluate the link between asthma and obesity in both adult and childhood populations and to undertake experime

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Schachter, L. M. "Change in lung volume in asthma with particular reference to obesity." University of Sydney, 2005. http://hdl.handle.net/2123/979.

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Doctor of Philosophy(PhD)<br>Over the last 20 years both asthma and obesity have increased in prevalence. What is the link? There are data to suggest that increasing obesity is a risk for the increase in prevalence of asthma. A number of mechanisms have been postulated including the effects of reduced lung volume on bronchial reactivity and mechanical changes with lower lung volumes. Other possibilities include other obesity-induced co-morbidities including gastro-oesophageal reflux. The aim of this thesis was to evaluate the link between asthma and obesity in both adult and childhood populati

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Toma, Tudor Paul. "Endoscopic lung volume reduction in chronic obstructive pulmonary disease." Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428589.

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McNulty, William. "Physiological mechanisms of lung volume reduction coils in emphysema." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/50161.

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Emphysema is characterised by airflow limitation that is a result of both loss of elastic recoil and small airways disease. It is poorly responsive to medical therapy. Lung volume reduction coils improve symptoms and lung function in the short term. However their mechanism of action and medium term effectiveness is not fully understood. Methods A randomised controlled study consisting of thirty patients with severe chronic obstructive pulmonary disease was performed. Control patients crossed over to the treatment arm at 12 months. The primary outcome was 6 minute walk distance at 12 months. Ch

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Książki na temat "Lungs volume"

Holohan, Thomas V. Lung-volume reduction surgery for end-stage chronic obstructive pulmonary disease. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research, 1996.

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United States. Health Care Financing Administration. Report to Congress: Lung volume reduction surgery and Medicare coverage policy : implications of recently published evidence. Dept. of Health and Human Services, Health Care Financing Administration, 1997.

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Mitchell, Janet B. Methods for tracking volume/intensity change: Final report. Health Policy Research Consortium, Heller Graduate School, Brandeis University, 1994.

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Argenziano, Michael, and Mark E. Ginsburg, eds. Lung Volume Reduction Surgery. Humana Press, 2002. http://dx.doi.org/10.1007/978-1-59259-121-3.

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Michael, Argenziano, and Ginsburg Mark E, eds. Lung volume reduction surgery. Humana Press, 2002.

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1956-, Fessler Henry E., Reilly John J. 1956-, and Sugarbaker David J, eds. Lung volume reduction surgery for emphysema. Marcel Dekker, 2004.

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S, Banerjee, and Canadian Coordinating Office for Health Technology Assessment., eds. Lung volume reduction surgery for emphysema. Canadian Coordinating Office for Health Technology Assessment, 2005.

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Wang, Yong-Xiao, ed. Lung Inflammation in Health and Disease, Volume I. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63046-1.

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Części książek na temat "Lungs volume"

Mercer, Robert R. "Volume-Pressure Hysteresis of the Lungs." In Respiratory Biomechanics. Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4612-3452-4_3.

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Algul, Sermin, and Oguz Ozcelik. "Physiology of Pulmonary Circulation & Related Structures." In Pulmonary Circulation Related Structures. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053358886.3.

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The pulmonary circulation, which includes the movement of blood from the heart to the lungs and back, facilitates gas exchange and serves several other functions. It differs from systemic circulation but is crucial for maintaining homeostasis. Pulmonary vessels protect against thrombi and emboli, metabolize vasoactive hormones, and act as a blood reservoir. Hemodynamically, pulmonary circulation is characterized by high flow, low pressure, and low resistance. Pulmonary vascular resistance adjusts to changes in cardiac output and lung volume, impacting gas exchange efficiency. Hypoxia can induc

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Matos, Helio, Tyler Chu, Brandon Casper, Matthew Babina, Matt Daley, and Arun Shukla. "Dynamic Behavior of Lungs Subjected to Underwater Explosions." In Dynamic Behavior of Materials, Volume 1. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50646-8_14.

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Bonetto, Chiara, Pierpaolo Terragni, and V. Marco Ranieri. "Does high tidal volume generate ALI/ARDS in healthy lungs?" In Applied Physiology in Intensive Care Medicine 2. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28233-1_45.

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Luke, Rayanne A., Gess Kelly, Melissa Stoner, Jordana Esplin O’Brien, Sharon R. Lubkin, and Laura Ellwein Fix. "Towards a Mathematical Understanding of Ventilator-Induced Lung Injury in Preterm Rat Pups." In Mathematical Modeling for Women’s Health. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-58516-6_6.

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AbstractApproximately 1% of infants are born extremely preterm and underweight and are prone to respiratory distress and subsequent morbidity. Typical treatments for respiratory distress in late preterm and term infants, such as non-invasive pressure support, are less effective in preterm infants. Invasive mechanical ventilation applied as a last resort causes trauma, leading to ventilator-induced lung injury (VILI). Maternal infection, such as chorioamnionitis, can cause prenatal and neonatal lung infection, inflammation, and often very preterm birth. Inflammation is expected to stiffen the l

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Kilic, Murat. "Tuberculosis Pleurisy." In Thoracic Infections. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053358930.9.

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Tuberculosis (TB) is the most common infectious disease that will cause death worldwide by 2022, apart from Covid-19. More than 10 million people are infected each year, and half of untreated cases can be fatal. TB usually affects the lungs and is transmitted through the air. Extrapulmonary TB develops in 25% of cases and usually occurs within 6-12 weeks of primary infection. Tuberculosis is a widespread health problem in low- and middle-income countries. Lymph node is the most common form of TB after tuberculosis. Tuberculosis pleurisy usually occurs as a complication of lung tuberculosis. Th

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Kesecioğlu, J., I. Gültuna, J. C. Pompe, et al. "Assessment of Ventilation Inhomogeneity and Gas Exchange with Volume Controlled Ventilation and Pressure Regulated Volume Controlled Ventilation on Pigs with Surfactant Depleted Lungs." In Advances in Experimental Medicine and Biology. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0333-6_69.

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Sanalp Menekse, Tugba. "Extracorporeal Membrane Oxygenation (Ecmo) and Assistant Tools in Resuscitation." In Special Circumstances in Resuscitation. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053358923.9.

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Extracorporeal membrane oxygenation (ECMO) provides blood flow and extracorpore al gas exchange by resting the heart and lungs in patients who develop respiratory and circulatory failure or are waiting for a heart-lung organ transplant. It is a temporary method that can provide short-term mechanical support to the heart and/or lungs in life-threatening situations. ECMO is a smaller, closed and portable version of the standard cardiopulmonary bypass device. There are 2 types of ECMO: Veno-venous (V-V) and Veno-arterial (V-A). Veno-venous (V-V) ECMO provides oxygenation in respiratory failure th

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Sullivan, Erin A. "Lung Volume Reduction." In Principles and Practice of Anesthesia for Thoracic Surgery. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-0184-2_36.

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Lista, Gianluca, and Francesca Castoldi. "Optimizing Lung Volume." In Manual of Neonatal Respiratory Care. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39839-6_77.

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Streszczenia konferencji na temat "Lungs volume"

S, Senthil Pandi, Murugan B S, Dhanasekaran S, and Kumar P. "Automatic Lung Tumor Volume Estimation Using PSO-TSVM Method." In 2024 IEEE International Conference on Communication, Computing and Signal Processing (IICCCS). IEEE, 2024. http://dx.doi.org/10.1109/iicccs61609.2024.10763605.

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Amelon, Ryan, Kai Ding, Kunlin Cao, Gary E. Christensen, Joseph M. Reinhardt, and Madhavan Raghavan. "Comparison of Regional Lung Deformation Between Dynamic and Static CT Imagery Using Inverse Consistent Registration." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206689.

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The mechanics of lung deformation is traditionally assessed at a whole-lung or lobar level. We submit that key aspects of lung mechanics maybe better understood by studying regional patterns of lung deformation by leveraging recent developments in tomographic imaging and image processing techniques. Our group has developed an inverse consistent registration technique for estimating local displacement distributions from paired lung CT volumes [1,2]. This facilitates the estimation of strain distributions and consequently, the regional patterns in volume change and its preferential directionalit

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Wang, Xiao, Keith Walters, Greg W. Burgreen, and David S. Thompson. "Cyclic Breathing Simulations: Pressure Outlet Boundary Conditions Coupled With Resistance and Compliance." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-26569.

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A patient-specific non-uniform pressure outlet boundary condition was developed and used in unsteady simulations of cyclic breathing in a large-scale model of the lung airway from the oronasal opening to the terminal bronchioles. The computational domain is a reduced-geometry model, in which some airway branches in each generation were truncated, and only selected paths were retained to the terminal generation. To characterize pressure change through airway tree extending from the truncated outlets to pulmonary zone, virtual airways represented by extended volume mesh zones were constructed in

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de Souza Lopes Palagar, Anna Esther, Katrine de Souza Guimarães, Gabriela Motta Vasconcelos, Karla Duarte Barreto Xavier, and Luciano Matos Chicayban. "Elaboration of neonatal and pediatric mechanical lungs." In 7th International Congress on Scientific Knowledge. Biológicas & Saúde, 2021. http://dx.doi.org/10.25242/8868113820212404.

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Pediatric patients or newborns admitted to Neonatal Intensive Care Units (NICU) receive life support care due to various conditions and pathologies. The physiotherapist controls and applies medicinal gases, institutes and monitors invasive and non-invasive mechanical ventilation, as well as performs weaning, among others. Learning ventilatory management must be appropriate for the age and, therefore, consider different lungs for the proper simulations of compliance and resistance. Although the insertion of physical therapists is relatively recent, there are several postgraduate courses and tra

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Peng, Ying, Zoujun Dai, Hansen A. Mansy, and Thomas J. Royston. "Poro-Visco-Elastic Modeling of Mechanical Wave Motion in the Lungs." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80544.

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Noninvasive measurement of mechanical wave motion (sound and vibration) in the lungs may be of diagnostic value, as it can provide information about the mechanical properties of the lungs, which in turn are affected by disease and injury. In this study, two theoretical models of the vibro-acoustic behavior of the lung parenchyma are compared: (1) a Biot theory of poroviscoelasticity and (2) a simplified “bubble swarm” model for compression wave behavior. A “slow” compression wave speed predicted by the Biot theory formulation agrees well with the bubbly swarm theory in both analytical calculat

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Dailey, Hannah L., Laura M. Ricles, and Samir N. Ghadiali. "Role of Membrane and Cortex Mechanics in Microrheology Measurements and Flow-Induced Cell Injury." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192868.

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Certain serious illnesses, including pneumonia and the acute respiratory distress syndrome (ARDS), can lead to fluid accumulation in the lung and obstruction of the small pulmonary airways. Fluid in the lungs inhibits gas exchange and patients may require mechanical ventilation, which can expose the lung to mechanical stresses that exacerbate the existing injury and result in additional fluid accumulation. Recent improvements in ventilation protocols (e.g. low lung volume ventilation) have improved ARDS treatment, but mortality rates remain high (30–40%).

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Oakes, Jessica M., Alison L. Marsden, Miriam Scadeng, and Chantal Darquenne. "Image-Based Morphometry and Airflow Simulation in Rat Lungs." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19561.

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Detailed knowledge of the fate of aerosols in the lung is essential in understanding the effect of exposure to airborne particulate matter and infectious agents and in assessing the efficiency of inhaled drug therapy. Detailed, yet non-invasive, studies of peripheral aerosol deposition are almost impossible in humans. Thus, understanding the fate of aerosols in the lung requires the use of computational and/or animal models in which more invasive techniques can be used. In this study, using magnetic resonance (MR) images of rat lungs, we (1) built three dimensional (3D) models of the airway tr

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Lyra, Maria, Maria Gavrilelli, Vasiliki Lyra, Georgiana Kokona, and Katerina Skouroliakou. "Lungs SPECT image processing for volume and perfusion index estimation." In 2008 8th IEEE International Conference on Bioinformatics and BioEngineering (BIBE). IEEE, 2008. http://dx.doi.org/10.1109/bibe.2008.4696800.

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Eom, Jaesung, Chengyu Shi, George Xu, and Suvranu De. "Development of a Patient-Specific Nonlinear Finite Element Model for the Simulation of Lung Motion During Cancer Radiation Therapy." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206169.

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Respiratory motion causes either over-dose to the tumor or under-dose to the organ at risk in radiation therapy treatment for cancer. In order to characterize the motion, a nonlinear finite element model of the lungs has been developed based on 4D computed tomography (CT) data of a cancer patient with a tumor in the right lung. Pressure-volume (PV) curve data was applied to deform the model in real time. Realistic results are obtained when contact conditions are imposed between the pleura and the thoracic cavity.

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Gillette, RK. "High Frequency Ventilator (HFV) Tidal Volume (TV) Distribution to Inhomogeneous Lungs in a Neonatal Test Lung Model." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a4125.

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Raporty organizacyjne na temat "Lungs volume"

CT Lung Densitometry, Consensus QIBA Profile. Chair Charles Hatt and Miranda Kirby. • The Publisher is Radiological Society of North America (RSNA)/Quantitative Imaging Biomarkers Alliance (QIBA), 2020. https://doi.org/10.1148/qiba/20200904.

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The goal of a QIBA Profile is to achieve a repeatable and useful level of performance for measures of lung density from quantitative CT using the RA-950 HU and Perc15 biomarkers of emphysema. Please see Appendix C for more detailed information on the calculation of and rationale for RA-950 HU and Perc15 as the biomarkers of choice. The Claim (Section 2) describes the performance in terms of bias and precision of RA-950 HU and Perc15 for detecting change in lung density. The Activities (Section 3) describe how to generate RA-950 HU and Perc15 for longitudinal studies of the change in lung densi

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Gilsinn, David E., Bruce R. Borchardt, and Amelia Tebbe. Estimating volumes of simulated lung cancer nodules. National Institute of Standards and Technology, 2009. http://dx.doi.org/10.6028/nist.ir.7571.

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Small Lung Nodule Volume Assessment and Monitoring in Low Dose CT Screening, Clinically Feasible Profile. Chair Artit Jirapatnakul, James Mulshine, and Kyle Myers. Radiological Society of North America (RSNA) / Quantitative Imaging Biomarkers Alliance (QIBA), 2023. http://dx.doi.org/10.1148/qiba/20231219.

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The goal of a QIBA Profile is to help achieve a useful level of performance for a given biomarker. The Claim (Section 2) describes the biomarker performance. The Profile Activities (Section 3) contribute to generating the biomarker. Requirements are placed on the Actors that participate in those activities as necessary to achieve the Claim. Assessment Procedures (Section 4) defines the technical methods to be used for evaluating conformance with profile requirements. This includes the steps needed for clinical sites and equipment vendors to be compliant with the Profile. This QIBA Profile (Sma

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Chetty Annan, Naveenya, Yoke Lin Lo, Htet Htet, and Cho Naing. Prognostic value of mean platelet volume in lung cancer: A meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.7.0045.

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Narusawa, Uichiro. Quantitative Characterization of Pulmonary Pressure-Volume Curve for Improved Care of Acute Lung Injury. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada418013.

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99mTc SPECT-CT, Consensus QIBA Profile. Chair Yuni Dewaraja and Robert Miyaoka. Radiological Society of North America (RSNA)/Quantitative Imaging Biomarkers Alliance (QIBA), 2019. https://doi.org/10.1148/qiba/20191021.

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The quantification of 99mTc labeled biomarkers can add unique value in many different settings, ranging from clinical trials of investigation new drugs to the treatment of individual patients with marketed therapeutics. For example, goals of precision medicine include using companion radiopharmaceutical diagnostics as just-in-time, predictive biomarkers for selecting patients to receive targeted treatments, customizing doses of internally administered radiotherapeutics, and assessing responses to treatment. This Profile describes quantitative outcome measures that represent proxies of target c

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Bruni, Stefania, Alessandro Zocchi, and Carina Frossasco. Tech o no tech: la tecnologia potenzia l'apprendimento o compromette lo sviluppo cognitivo? Future Education Institute, 2025. https://doi.org/10.63523/nx1667.

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Le tecnologie digitali hanno trasformato radicalmente il modo in cui apprendiamo, interagiamo con le informazioni e ci relazioniamo con gli altri, portando alla luce nuove esigenze e sfide nel contesto educativo e sociale contemporaneo. L’innovazione digitale ha infatti incrementato la necessità di strumenti e metodi di apprendimento adattabili, volti a favorire l’accesso alla conoscenza, lo sviluppo del pensiero critico e creativo, nonché delle competenze emotive. Tuttavia, tali progressi tecnologici introducono sfide significative, tra cui la trasformazione dei processi attentivi e la cresce

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Work-related lung disease surveillance report 2007. Volume 1. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2008. http://dx.doi.org/10.26616/nioshpub2008143a.

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