Gluteeni ongelmana-: 2010

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Compliance of the lung in emphysema is significantly above normal; the lung becomes easy todistend but empties slowly. Emphysema αααα1-antitrypsin resulting in increased release of ) . : levels risk for emphysema . 1- Reduced elastic recoil: The lung’s reduced ability to retract (reduced elastic recoil (increased compliance) of the lung requires an increase in intrathoracic expiration, resulting in compression of the intrathoracic airways This lends support to the hypothesis that noninflammatory stenosis, related to compression by enlarged air spaces, may contribute to the severity of airflow limitation in COPD besides the inflammatory airway disfunctioning described in smokers and in pulmonary emphysema.

Elastic recoil emphysema

(re´koil) a pulling back quickly. elastic recoil the ability of a stretched elastic object or organ, such as the lung or bladder, to return to its resting position. See also elastance . Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): http://thorax.bmj.com/content/ (external link) emphysema score 32was 10, consistent with trivial or no emphysema in seven patients with asthma. In the three patients with asthma with loss of lung elastic recoil and persistent expiratory airfl ow limitation who died, all had mild, diff use centrilobular emphysema at autopsy, Th e Th urlbeck lung CT scan emphysema score Emphysema literally means to inflate.

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Patients with emphysema have a very high lung compliance due to the poor elastic recoil. They have extreme difficulty exhaling 1987-10-01 Improved lung elastic recoil after LVRS is hypothesized to "tether" open extraalveolar vessels, thereby leading to a decrease in pulmonary vascular resistance (PVR) and improved RV function. Whether a relationship exists between static elastic lung recoil and pulmonary hemodynamics in severe emphysema, however, is unknown.

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2004-10-01 DOI 10.1378/chest.113.6.1497 Chest 1998;113;1497-1506€ 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.

ELASTIC RECOIL meaning - ELASTIC RECOIL definition - ELASTIC Serial Lung Function and Elastic Recoil 2 Years After Lung Volume Reduction Surgery for Emphysema. CHEST Journal, 1998.
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This phenomenon occurs because of the elastin in the elastic fibers in the connective tissue of the lungs, and because of the surface tension of the film of fluid that lines the alveoli. As water molecules pull together, they also pull on the alveolar walls causing the alveoli to recoil As elastic recoil of the lung is reduced in emphysema, the pressure-volume curve is displaced up and to the left. This probably reflects the disorganization and perhaps loss of elastic tissue as a result of destruction of alveolar walls. Manifestations of the Disease Now in emphysema you have decreased elastic recoil (compliance) so it is like a grocery bag, inflated easy but there isn't as much pressure wanting to push air out as say a balloon. So alveolar pressure at a max breath in someone with emphysema is lower than in normal.

This probably reflects the disorganization and perhaps loss of elastic tissue as a result of destruction of alveolar walls. Manifestations of the Disease Now in emphysema you have decreased elastic recoil (compliance) so it is like a grocery bag, inflated easy but there isn't as much pressure wanting to push air out as say a balloon. So alveolar pressure at a max breath in someone with emphysema is lower than in normal. So now when they go to expire forcefully (for say a FEV1 measurement).
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Elastic recoil changes in early emphysema. Silvers GW, Petty TL, Stanford RE. An attempt was made to determine if emphysema and static lung recoil were related in a group of 65 excised human lungs. We studied 23 normal lungs, 24 lungs with an emphysema score of 5 or less, and 18 lungs with an emphysema score greater than 5. hypothesis that emphysema and elastic recoil are related only coincidentally.

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Gluteeni ongelmana-: 2010

2001-08-15 Improved lung elastic recoil after LVRS is hypothesized to “tether” open extraalveolar vessels, thereby leading to a decrease in pulmonary vascular resistance (PVR) and improved RV function. Whether a relationship exists between static elastic lung recoil and pulmonary hemodynamics in severe emphysema, however, is unknown. What happens in emphysema.