Suboptimal Inspiratory Flow Rates Are Associated with Chronic Obstructive Pulmonary Disease and All-Cause Readmissions

Dry powder inhalers (DPIs) are prescribed after hospitalization for acute exacerbation of COPD (AECOPD). Peak inspiratory flow (PIF) affects DPI delivery. To study the impact of PIF on readmission after hospitalization for AECOPD. A retrospective analysis of hospitalized patients, enrolled in an AEC...

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Vydáno v:Annals of the American Thoracic Society Ročník 14; číslo 8; s. 1305 - 1311
Hlavní autoři: Loh, Chee H., Peters, Stephen P., Lovings, Tina M., Ohar, Jill A.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States American Thoracic Society 01.08.2017
Témata:
Acute Disease
Administration, Inhalation
Age
Aged
Asthma
Chronic obstructive pulmonary disease
Comorbidity
Disease Progression
Drug dosages
Female
Forced Expiratory Volume
Hospitalization
Hospitals
Humans
Inspiratory Capacity
Male
Middle Aged
Multivariate Analysis
Nebulizers and Vaporizers
North Carolina
Patient Readmission - statistics & numerical data
Patients
Pulmonary Disease, Chronic Obstructive - drug therapy
Pulmonary Disease, Chronic Obstructive - physiopathology
Quality of life
Regression Analysis
Respiratory therapy
Retrospective Studies
Studies
chronic obstructive pulmonary disease exacerbation
peak inspiratory flow rate
nebulizers
readmission
peak inspiratory flow
ISSN:2329-6933, 2325-6621, 2325-6621
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Shrnutí:Dry powder inhalers (DPIs) are prescribed after hospitalization for acute exacerbation of COPD (AECOPD). Peak inspiratory flow (PIF) affects DPI delivery. To study the impact of PIF on readmission after hospitalization for AECOPD. A retrospective analysis of hospitalized patients, enrolled in an AECOPD care plan, was performed. Data analyzed included PIF, age, sex, length of stay, Charlson Comorbidity Index, COPD Assessment Test score, modified Medical Research Council score, percent predicted FEV , FVC, and inspiratory capacity. A PIF equal to and less than 60 L/min was defined as suboptimal (sPIF). Outcome measures included 30- and 90-day COPD and all-cause readmissions, and days to next COPD and all-cause readmissions. Of the 123 subjects, 52% (n = 64) had sPIF. They had greater COPD Assessment Test scores (29.1 ± 5.9 vs. 25.3 ± 8.7; P = 0.0073), rates of 90-day COPD readmissions (28.1 vs. 13.6%; P = 0.048), fewer median days to COPD (63.5 [interquartile range (IQR), 21-89.8] vs. 144 [IQR, 66-218]; P = 0.002) and all-cause readmissions (65.5 [IQR, 24.3-107.3] vs. 101 [IQR, 54.5-205.5]; P = 0.009). PIF was the only variable (P = 0.041) that predicted days to COPD readmission in a multivariate model incorporating age, sex, percent predicted FEV , Charlson Comorbidity Index, and inspiratory flow group. In a group of patients with sPIF (n = 22), all-cause and COPD 30- and 90-day readmission rates were significantly lower for those discharged with nebulizer compared with DPI therapy. sPIF is common during AECOPD and predicts all-cause and COPD readmissions. Patients with sPIF may benefit from nebulized therapies. We recommend checking PIF in patients hospitalized for AECOPD for selection of delivery devices.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:2329-6933
2325-6621
2325-6621
DOI:10.1513/AnnalsATS.201611-903OC