Dataset Information

The clinical and economic impact of exacerbations of chronic obstructive pulmonary disease: a cohort of hospitalized patients.

ABSTRACT:

Background

Chronic Obstructive Pulmonary Disease (COPD) is a common disease with significant health and economic consequences. This study assesses the burden of COPD in the general population, and the influence of exacerbations (E-COPD) on disease progression and costs.

Methods

This is a secondary data analysis of healthcare administrative databases of the region of Lombardy, in northern Italy. The study included ? 40 year-old patients hospitalized for a severe E-COPD (index event) during 2006. Patients were classified in relation to the number and type of E-COPD experienced in a three-year pre-index period. Subjects were followed up until December 31st, 2009, collecting data on healthcare resource use and vital status.

Results

15857 patients were enrolled -9911 males, mean age: 76 years (SD 10). Over a mean follow-up time of 2.4 years (1.36), 81% of patients had at least one E-COPD with an annual rate of 3.2 exacerbations per person-year and an all-cause mortality of 47%. A history of exacerbation influenced the occurrence of new E-COPD and mortality after discharge for an E-COPD. On average, the healthcare system spent 6725€ per year per person (95%CI 6590-6863). Occurrence and type of exacerbations drove the direct healthcare cost. Less than one quarter of patients presented claims for pulmonary function tests.

Conclusions

COPD imposes a substantial burden on healthcare systems, mainly attributable to the type and occurrence of E-COPD, or in other words, to the exacerbator phenotypes. A more tailored approach to the management of COPD patients is required.

SUBMITTER: Blasi F

PROVIDER: S-EPMC4074190 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Publications

The clinical and economic impact of exacerbations of chronic obstructive pulmonary disease: a cohort of hospitalized patients.

Blasi Francesco F Cesana Giancarlo G Conti Sara S Chiodini Virginio V Aliberti Stefano S Fornari Carla C Mantovani Lorenzo Giovanni LG

PloS one 20140627 6

<h4>Background</h4>Chronic Obstructive Pulmonary Disease (COPD) is a common disease with significant health and economic consequences. This study assesses the burden of COPD in the general population, and the influence of exacerbations (E-COPD) on disease progression and costs.<h4>Methods</h4>This is a secondary data analysis of healthcare administrative databases of the region of Lombardy, in northern Italy. The study included ≥ 40 year-old patients hospitalized for a severe E-COPD (index event ...[more]

PMID: 24971791

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Project description:BACKGROUND:Antibiotics are often prescribed for hospitalized patients with chronic obstructive pulmonary disease (COPD) exacerbations. The use of procalcitonin (PCT) in the management of pneumonia has safely reduced antibiotic durations, but limited data on the impact of PCT guidance on the management of COPD exacerbations remain. OBJECTIVE:To determine the impact of PCT guidance on antibiotic utilization for hospitalized adults with exacerbations of COPD. DESIGN:A retrospective, pre-/post-intervention cohort study was conducted to compare the management of patients admitted with COPD exacerbations before and after implementation of PCT guidance. The pre-intervention period was March 1, 2014, through October 31, 2014, and the post-intervention period was March 1, 2015, through October 31, 2015. PARTICIPANTS:All patients with hospital admissions during the pre- and post-intervention period with COPD exacerbations were included. Patients with concomitant pneumonia were excluded. INTERVENTION:Availability of PCT laboratory values in tandem with a PCT guidance algorithm and education. MAIN MEASURES:The primary outcome was duration of antibiotic therapy for COPD. Secondary objectives included duration of inpatient length of stay (LOS) and 30-day readmission rates. KEY RESULTS:There were a total of 166 and 139 patients in the pre- and post-intervention cohorts, respectively. There were no differences in mean age (66.2 vs. 65.9; P?=?0.82) or use of home oxygenation (34% vs. 39%; P?=?0.42) in the pre- and post-intervention groups, respectively. PCT guidance was associated with a reduced number of antibiotic days (5.3 vs. 3.0; p?=?0.01) and inpatient LOS (4.1 days vs. 2.9 days; P?=?0.01). Respiratory-related 30-day readmission rates were unaffected (10.8% vs. 9.4%; P?=?0.25). CONCLUSIONS:Utilizing PCT guidance in the management of COPD exacerbations was associated with a decreased total duration of antibiotic therapy and hospital LOS without negatively impacting hospital readmissions.

Project description:IMPORTANCE:Small clinical trials have shown that noninvasive ventilation (NIV) is efficacious in reducing the need for intubation and improving short-term survival among patients with severe exacerbations of chronic obstructive pulmonary disease (COPD). Little is known, however, about the effectiveness of NIV in routine clinical practice. OBJECTIVE:To compare the outcomes of patients with COPD treated with NIV to those treated with invasive mechanical ventilation (IMV). DESIGN, SETTING, AND PARTICIPANTS:This was a retrospective cohort study of 25?628 patients hospitalized for exacerbation of COPD who received mechanical ventilation on the first or second hospital day at 420 US hospitals participating in the Premier Inpatient Database. EXPOSURES:Initial ventilation strategy. MAIN OUTCOMES AND MEASURES:In-hospital mortality, hospital-acquired pneumonia, hospital length of stay and cost, and 30-day readmission. RESULTS:In the study population, a total of 17?978 (70%) were initially treated with NIV on hospital day 1 or 2. When compared with those initially treated with IMV, NIV-treated patients were older, had less comorbidity, and were less likely to have concomitant pneumonia present on admission. In a propensity-adjusted analysis, NIV was associated with lower risk of mortality than IMV (odds ratio [OR] 0.54; [95% CI, 0.48-0.61]). Treatment with NIV was associated with lower risk of hospital-acquired pneumonia (OR, 0.53 [95% CI, 0.44-0.64]), lower costs (ratio, 0.68 [95% CI, 0.67-0.69]), and a shorter length of stay (ratio, 0.81 [95% CI, 0.79-0.82]), but no difference in 30-day all-cause readmission (OR, 1.04 [95% CI, 0.94-1.15]) or COPD-specific readmission (OR, 1.05 [95% CI, 0.91-1.22]). Propensity matching attenuated these associations. The benefits of NIV were similar in a sample restricted to patients younger than 85 years and were attenuated among patients with higher levels of comorbidity and concomitant pneumonia. Using the hospital as an instrumental variable, the strength of association between NIV and mortality was modestly attenuated (OR, 0.66 [95% CI, 0.47-0.91]). In sensitivity analyses, the benefit of NIV was robust in the face of a strong hypothetical unmeasured confounder. CONCLUSIONS AND RELEVANCE:In a large retrospective cohort study, patients with COPD treated with NIV at the time of hospitalization had lower inpatient mortality, shorter length of stay, and lower costs compared with those treated with IMV.

Dataset Information

The clinical and economic impact of exacerbations of chronic obstructive pulmonary disease: a cohort of hospitalized patients.

Background

Methods

Results

Conclusions

Publications

The clinical and economic impact of exacerbations of chronic obstructive pulmonary disease: a cohort of hospitalized patients.

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