Saturday, January 30, 2016

Defining the Asthma-COPD Overlap Syndrome in a COPD Cohort (Chest article)

Asthma-COPD overlap syndrome is very contradictory topic in Respiratory medicine!
Background  Asthma-COPD overlap syndrome (ACOS) has been recently described by international guidelines. A stepwise approach to diagnosis using usual features of both diseases is recommended although its clinical application is difficult.
http://journal.publications.chestnet.org/article.aspx?articleid=2430458&resultClick=3

Methods  To identify patients with ACOS, a cohort of well-characterized patients with COPD and up to 1 year of follow-up was analyzed. We evaluated the presence of specific characteristics associated with asthma in this COPD cohort, divided into major criteria (bronchodilator test > 400 mL and 15% and past medical history of asthma) and minor criteria (blood eosinophils > 5%, IgE > 100 IU/mL, or two separate bronchodilator tests > 200 mL and 12%). We defined ACOS by the presence of one major criterion or two minor criteria. Baseline characteristics, health status (COPD Assessment Test [CAT]), BMI, airflow obstruction, dyspnea, and exercise capacity (BODE) index, rate of exacerbations, and mortality up to 1 year of follow-up were compared between patients with and without criteria for ACOS.
Results  Of 831 patients with COPD included,125 (15%) fulfilled the criteria for ACOS, and 98.4% of them sustained these criteria after 1 year. Patients with ACOS were predominantly male (81.6%), with symptomatic mild to moderate disease (67%), who were receiving inhaled corticosteroids (63.2%). There were no significant differences in baseline characteristics, and only survival was worse in patients with non-ACOS COPD after 1 year of follow-up (P < .05).
Conclusions  The proposed ACOS criteria are present in 15% of a cohort of patients with COPD and these patients show better 1-year prognosis than clinically similar patients with COPD with no ACOS criteria.
Full text:
http://journal.publications.chestnet.org/article.aspx?articleid=2430458&resultClick=3

2 comments:

  1. Los pacientes con ACOS tienen mejor pronostico ya que se mantienen mas controlados y con el tratamiento adecuado y a pesar de las exacerbaciones.
    Adjunto articulo de interes: https://academic.oup.com/ehjcimaging/article/20/Supplement_3/jez148.012/5512783

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  2. I started on COPD Herbal treatment from Ultimate Health Home, the treatment worked incredibly for my lungs condition. I used the herbal treatment for almost 4 months, it reversed my COPD. My severe shortness of breath, dry cough, chest tightness gradually disappeared. Reach Ultimate Health Home via their email at ultimatehealthhome@gmail.com . I can breath much better and It feels comfortable!

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