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Ian
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Dynamic Hyperinflation In COPD (31st Dec 11 at 3:43pm UTC)
Lung Overinflation or Hyperinflation is a critically important component part of both COPD and Emphysema, and particularly so with Emphysema. In fact, recent evidence suggests that correction of Hyperinflation appears to be more important in the relief of dyspnea, than is the correction of airway obstruction with broncodilator therapy. Said another way, if you use so-called Rescue Drugs such as Metered Dose Inhalers to relieve dyspnea caused by airway bronchospasm, the majority of your dyspnea relief comes not from the bronchospasm relief, but rather as a result of relieved bronchospasm now permitting correction of hyperinflation.


Hyperinflation and its management in COPD
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2707802/

SusieQ
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Re: Dynamic Hyperinflation In COPD (31st Dec 11 at 6:04pm UTC)
Started to think that this might be interesting, until I got to the phrase seen in both COPD and Emphysema. If this chap is a medical man, surely he must know that COPD and Emphysema are not different; COPD is the umbrella term for both Emphysema and Chronic Brochitis.

Anyway - guess what he is trying to say is that if you are short of breath, then best and easiest remedy is to stop and slowly breathe deeply in and out; easier said than done, but it does work.
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Re: Dynamic Hyperinflation In COPD (31st Dec 11 at 6:25pm UTC)
Controlled breathing is hard as Sue says but, it works. {Smile}
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Re: Dynamic Hyperinflation In COPD (31st Dec 11 at 7:10pm UTC)
Do Not Panic! Breathing Techniques Can Help You Exercise
http://www.health.com/health/condition-article/0,,20268778,00.html
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Re: Dynamic Hyperinflation In COPD (1st Jan 12 at 11:00am UTC)
The Importance of proper breathing techniques,

http://www.perf2ndwind.org/html/breathing.html
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Re: Dynamic Hyperinflation In COPD (1st Jan 12 at 7:56pm UTC)
Just remember folks - it is very important to breathe and to keep breathing {Grin}
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Re: Dynamic Hyperinflation In COPD (1st Jan 12 at 10:42pm UTC)
Difficult trying to remember to nose breathe rather than mouth breathe, especially during the night when you wake up with a dry mouth - again!
As with the breathing exercises once panic sets in the rest goes out the window - bit like child birth really ..............
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Re: Dynamic Hyperinflation In COPD (2nd Jan 12 at 6:13pm UTC)
True Susie Q it is best to keep Breathing For Life, so carry on doing what you are doing {Wink}
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Re: Dynamic Hyperinflation In COPD (6th Sep 13 at 8:22am UTC)
Does dynamic hyperinflation contribute to dyspnoea during exercise in patients with COPD?
http://www.ncbi.nlm.nih.gov/pubmed/22183485

Dynamic hyperinflation (DH) during exercise occurs in most but not all patients with advanced chronic obstructive pulmonary disease (COPD). It is not known whether the presence or absence of DH has implications for dyspnoea and exercise tolerance. Therefore, we compared detailed ventilatory and sensory responses to exercise in hyperinflators and nonhyperinflators with moderate-to-severe COPD. Nonhyperinflators (n=65) were retrospectively identified from a sample of 427 patients and case-matched to a group of hyperinflators (n=65) based on sex, age, body mass index and % predicted forced expiratory volume in 1 s. Resting pulmonary function and constant work rate cycle exercise responses were compared. Hyperinflators decreased inspiratory capacity (IC) from rest to peak exercise by 0.46±0.24 L whereas the nonhyperinflators increased IC by 0.10±0.15 L (p<0.0001). There were no significant group differences in endurance time (9.11±5.98 versus 8.87±5.24 min) or dyspnoea intensity for any given time or ventilation. An inflection in tidal volume versus ventilation occurred in the majority of nonhyperinflators (n=61) and hyperinflators (n=62) at a similar time and ventilation. Mechanical constraints on tidal volume expansion and the attendant rise in dyspnoea intensity were similar in both groups. Dyspnoea intensity during exercise was associated with progressive mechanical constraints on tidal volume expansion regardless of the presence of DH.
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