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Socio-Economic and Clinical Factors as Predictors of Disease Evolution and Acute Events in COPD Patients.

ABSTRACT: Socio-economic, cultural and environmental factors are becoming increasingly important determinants of chronic obstructive pulmonary disease (COPD). We conducted a study to investigate socio-demographic, lifestyle and clinical factors, and to assess their role as predictors of acute events (mortality or hospitalization for respiratory causes) in a group of COPD patients.Subjects were recruited among outpatients who were undertaking respiratory function tests at the Pneumology Unit of the Sant'Orsola-Malpighi Hospital, Bologna. Patients were classified according to the GOLD Guidelines.229 patients with COPD were included in the study, 44 with Mild, 68 Moderate, 52 Severe and 65 Very Severe COPD (GOLD stage). Significant differences among COPD stage, in terms of smoking status and fragility index, were detected. COPD stage significantly affected the values of all clinical tests (spirometry and ABG analysis). Kaplan-Meier estimates showed a significant difference between survival curves by COPD stage with lower event-free probability in very severe COPD stage. Significant risk factors for acute events were: underweight (HR = 4.08; 95% CI 1.01-16.54), having two or more comorbidities (HR = 4.71; 95% CI 2.52-8.83), belonging to moderate (HR = 3.50; 95% CI 1.01-12.18) or very severe COPD stage (HR = 8.23; 95% CI 2.35-28.85).Our findings indicate that fragility is associated with COPD stage and that comorbidities and the low body mass index are predictors of mortality or hospitalization. Besides spirometric analyses, FeNO measure and comorbidities, body mass index could also be considered in the management and monitoring of COPD patients.

SUBMITTER: Pandolfi P

PROVIDER: S-EPMC4529271 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Socio-Economic and Clinical Factors as Predictors of Disease Evolution and Acute Events in COPD Patients.

Pandolfi Paolo P Zanasi Alessandro A Musti Muriel Assunta MA Stivanello Elisa E Pisani Lara L Angelini Sabrina S Maffei Francesca F Hrelia Silvana S Angeloni Cristina C Zenesini Corrado C Hrelia Patrizia P

PloS one 20150807 8

<h4>Background</h4>Socio-economic, cultural and environmental factors are becoming increasingly important determinants of chronic obstructive pulmonary disease (COPD). We conducted a study to investigate socio-demographic, lifestyle and clinical factors, and to assess their role as predictors of acute events (mortality or hospitalization for respiratory causes) in a group of COPD patients.<h4>Methods</h4>Subjects were recruited among outpatients who were undertaking respiratory function tests at ...[more]

PMID: 26252571

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Project description:Context: Risk factors for adverse cardiovascular events (ACVE) from drug exposures have been well-characterized in adults but not studied in children. The objective of the present study is to describe the incidence, characteristics, and risk factors for in-hospital ACVEs among pediatric emergency department (ED) patients with acute drug exposures.Methods: This is a prospective cohort design evaluating patients in the Toxicology Investigators Consortium (ToxIC) Registry. Pediatric patients (age <18 years) who were evaluated at the bedside by a medical toxicologist for a suspected acute drug exposure were included. The primary outcome was in-hospital ACVE (myocardial injury, shock, ventricular dysrhythmia, or cardiac arrest). The secondary outcome was in-hospital death. Multiple logistic regression analyses were performed to examine novel clinical risk factors and extrapolate adult risk factors (bicarbonate <20?mEq/L; QTc ?500?ms), for the primary/secondary outcomes.Results: Among the 13,097 patients (58.5% female), there were 278 in-hospital ACVEs (2.1%) and 39 in-hospital deaths (0.3%). Age and drug class of exposure (specifically opioids and cardiovascular drugs) were independently associated with ACVE. Compared with adolescents, children under 2 years old (OR: 0.41, 95% CI: 0.21-0.80), ages 2-6 (OR: 0.37, 95% CI: 0.21-0.80), and ages 7-12 (OR: 0.51, 95% CI: 0.27-0.95) were significantly less likely to experience an ACVE. Serum bicarbonate concentration <20?mEq/L (OR: 2.31, 95% CI: 1.48-3.60) and QTc ? 500?ms (OR: 2.83, 95% CI: 1.67-4.79) were independently associated with ACVE.Conclusion: Previously derived clinical predictors of ACVE from an adult drug overdose population were successfully extrapolated to this pediatric population. Novel associations with ACVE and death included adolescent age and opioid drug exposures. In the midst of the opioid crisis, these findings urgently warrant further investigation to combat adolescent opioid overdose morbidity and mortality.

Dataset Information

Socio-Economic and Clinical Factors as Predictors of Disease Evolution and Acute Events in COPD Patients.

Publications

Socio-Economic and Clinical Factors as Predictors of Disease Evolution and Acute Events in COPD Patients.

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