Dataset Information

Post-Stroke Outcomes of Patients with Chronic Obstructive Pulmonary Disease.

ABSTRACT: Research has shown that patients with ischemic stroke and coexisting obstructive respiratory disorders have worse clinical status on admission and increased long-term mortality. Patients with chronic obstructive pulmonary disease (COPD) are at increased risk of stroke, and the risk is even greater after exacerbation of COPD. Moreover, COPD and stroke share major risk factors, which are advancing age and smoking. The aim of this study was to analyze the incidence of complications and mortality in acute ischemic stroke (AIS) patients with and without COPD. We analyzed prospectively collected data of 1022 patients with acute is-chemic stroke hospitalized in a district general hospital. The patients were divided into two groups-with coexisting COPD and without COPD. Logistic regression analysis, which allowed for potential confounders, showed an association between coexisting COPD and the fol-lowing complications in acute ischemic stroke patients: heart failure (OR = 1.879, p = 0.048), atrial fibrillation (OR = 4.746, p = 0.012), delirium (OR = 2.803, p < 0.001), pneumonia (OR = 2.424, p = 0.005), bronchospasm (OR = 3.400, p = 0.023), and out-hospital mortality (OR = 2.656, p = 0.001). Patients presenting with acute ischemic stroke and coexisting COPD significantly more often had cardiac and pulmonary complications, as well as delirium following stroke. In a long-term follow-up, the probability of one-year survival was significantly lower in AIS patients with co-existing COPD.

SUBMITTER: Szylinska A

PROVIDER: S-EPMC8774103 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Post-Stroke Outcomes of Patients with Chronic Obstructive Pulmonary Disease.

Szylińska Aleksandra A Kotfis Katarzyna K Bott-Olejnik Marta M Wańkowicz Paweł P Rotter Iwona I

Brain sciences 20220113 1

<h4>Introduction</h4>Research has shown that patients with ischemic stroke and coexisting obstructive respiratory disorders have worse clinical status on admission and increased long-term mortality. Patients with chronic obstructive pulmonary disease (COPD) are at increased risk of stroke, and the risk is even greater after exacerbation of COPD. Moreover, COPD and stroke share major risk factors, which are advancing age and smoking. The aim of this study was to analyze the incidence of complicat ...[more]

PMID: 35053849

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Project description:RationaleChronic obstructive pulmonary disease (COPD) has been identified as a risk factor for cardiovascular diseases such as myocardial infarction. The role of COPD in cerebrovascular disease is, however, less certain. Although earlier studies have suggested that the risk for stroke is also increased in COPD, more recent investigations have generated mixed results.ObjectivesThe primary objective of our review was to quantify the magnitude of the association between COPD and stroke. We also sought to clarify the nature of the relationship between COPD and stroke by investigating whether the risk of stroke in COPD varies with age, sex, smoking history, and/or type of stroke and whether stroke risk is modified in particular COPD phenotypes.ResultsThe MEDLINE and EMBASE databases were searched in May 2016 to identify articles that compared stroke outcomes in people with and without COPD. Studies were grouped by study design to distinguish those that reported prevalence of stroke (cross-sectional studies) from those that estimated incidence (cohort or case-control studies). In addition, studies were stratified according to study population characteristics, the nature of COPD case definitions, and adjustment for confounding (smoking). Heterogeneity was assessed using the I2 statistic. We identified 5,493 studies, of which 30 met our predefined inclusion criteria. Of the 25 studies that reported prevalence ratios, 11 also estimated prevalence odds ratios. The level of heterogeneity among the included cross-sectional studies did not permit the calculation of pooled ratios, save for a group of four studies that estimated prevalence odds ratios adjusted for smoking (prevalence odds ratio, 1.51; 95% confidence interval, 1.09-2.09; I2 = 45%). All 11 studies that estimated relative risk for nonfatal incident stroke reported increased risk in COPD. Adjustment for smoking invariably reduced the magnitude of the associations.ConclusionsAlthough both prevalence and incidence of stroke are increased in people with COPD, the weight of evidence does not support the hypothesis that COPD is an independent risk factor for stroke. The possibility remains that COPD is causal in certain subsets of patients with COPD and for certain stroke subtypes.

Project description:RationaleFrailty represents an increased vulnerability to adverse health outcomes. The frailty phenotype conceptual model (three or more patient attributes of wasting, exhaustion, low activity, slowness, and weakness) is associated with increased morbidity and mortality in geriatric populations.ObjectivesOur objective was to describe the risks associated with frailty in patients with chronic obstructive pulmonary disease.MethodsData from the National Emphysema Treatment Trial (NETT) were retrospectively analyzed. The frailty phenotype conceptual model was operationalized as three or more frailty parameters (a body mass index decrease of ≥5% over 12 months, self-reported exhaustion, low 6-minute walk distance, or physical activity or respiratory muscle strength in the lowest quartile). Frail participants were compared with participants with two or fewer frailty parameters. Participants were followed starting 12 months after NETT randomization (to minimize surgical effect) for 24 months. Univariate, multivariate, Kaplan-Meier, and Cox proportional hazard analyses were performed, adjusting for treatment arm, age, modified Medical Research Council dyspnea scale, sex, and baseline forced expiratory volume in 1 second (FEV1). Multiple imputation was used for missing values.ResultsThe participants (N = 902) were predominantly white (94.5%) males (59.5%), with a median age of 67 years (interquartile range, 63-70 yr) and a median FEV1% predicted of 26 (interquartile range, 20-33). Six percent of the participants (95% confidence interval [CI], 4.5 to 7.6) were frail. The incidence rate of frailty was 6.4 per 100 person-years. Frail participants reported significantly worse disease-specific and overall quality of life by St. George's Respiratory Questionnaire total score (mean difference of 11.6; 95% CI, 7.6 to 15.6; P < 0.001), mental composite on Medical Outcomes Survey Short Form-36 (mean difference -6.8; 95% CI, -10.0 to -3.6; P < 0.001), and physical composite scores on Medical Outcomes Survey Short Form-36 (mean difference -16.7; 95% CI, -21.3 to -12.1; P = 0.001). Frail participants had an increased rate of hospitalization (adjusted hazard ratio, 1.6; 95% CI, 1.1 to 2.5; P = 0.02) and an adjusted increase in hospital use of 8.0 days (95% CI, 4.4 to 11.6; P < 0.001) compared with nonfrail participants. Frail participants had a higher mortality rate (adjusted hazard ratio, 1.4; 95% CI, 0.97 to 2.0; P = 0.07).ConclusionsAmong adults with chronic obstructive pulmonary disease, our measure of frailty (modified from the Fried frailty phenotype) was associated with incident and longer-duration hospitalization, and with poor quality of life.

Project description:RationaleCurrent practice guidelines recommend pulmonary rehabilitation as an adjunct to standard pharmacologic therapy for individuals with moderate to severe chronic obstructive pulmonary disease (COPD). Whether pulmonary rehabilitation benefits all subjects with COPD independent of baseline disease burden is not known.ObjectivesTo test whether pulmonary rehabilitation benefits patients with COPD independent of baseline exercise capacity, dyspnea, and lung function.MethodsData from a prospectively maintained database of participants with COPD enrolled in pulmonary rehabilitation at the University of Alabama at Birmingham from 1996 to 2013 were retrospectively analyzed. Subjects were divided into four quartiles based on their baseline level of dyspnea as assessed by the San Diego Shortness of Breath Questionnaire at the initial visit. Similar quartiles were assessed for FEV1 percent predicted as well as the 6-minute-walk distance (6MWD). The primary outcome was the change in quality of life as measured by the 36-item Short Form Health Survey (SF-36). Secondary outcomes were change in dyspnea, 6MWD, and depression scores assessed using the Beck Depression Inventory-II. Differences between baseline and final scores were compared using paired t tests and across quartiles using analysis of variance.Measurements and main resultsA total of 229 subjects were included. Their mean age was 66.5 (SD, 9) years. Ninety-one (40%) were female, and 42 (18%) were African American. The mean FEV1 percent predicted was 46.3% (20.0%). On completion of pulmonary rehabilitation, clinically significant improvements were seen in most components of SF-36: physical function, 11.5 (95% confidence interval [CI], 7.4-15.5; P < 0.001); health perception, 2.1 (95% CI, -0.7 to 4.8; P = 0.12); physical role, 16.7 (95% CI, 10.3-23.1; P < 0.001); emotional role, 14.7 (95% CI, 7.1-22.3; P < 0.001); social function, 16.4 (95% CI, 11.3-21.5; P < 0.001); mental health, 5.4 (95% CI, 2.6-8.3; P < 0.001); pain, 5 (95% CI, 1-9.1; P = 0.02); vitality, 12.4 (95% CI, 8.8-16.1; P < 0.001); and depression, 0.01 (95% CI, -0.11 to 0.07; P = 0.54). There was no difference in improvement in SF-36 across quartiles of San Diego Shortness of Breath Questionnaire, 6MWD, and FEV1 percent predicted.ConclusionsPulmonary rehabilitation results in significant improvement in quality of life, dyspnea, and functional capacity independent of baseline disease burden.

Dataset Information

Post-Stroke Outcomes of Patients with Chronic Obstructive Pulmonary Disease.

Publications

Post-Stroke Outcomes of Patients with Chronic Obstructive Pulmonary Disease.

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