Risk factors for the development of adverse outcomes in patients with chronic obstructive pulmonary disease


DOI: https://dx.doi.org/10.18565/therapy.2022.5.18-25

Karoli N.A., Borodkin A.V., Rebrov A.P.

V.I. Razumovsky Saratov State Medical University of the Ministry of Healthcare of Russia
Abstract. COPD is one of the leading causes of morbidity and mortality in the world today.
The aim of this study was to identify factors of adverse outcomes in patients hospitalized for exacerbation of chronic obstructive pulmonary disease (COPD).
Material and methods. In the study was included 103 patients with COPD who were hospitalized in the Department of pulmonology of Saratov regional clinical hospital. All patients was determined the level N-terminal fragment pro-B-type natriuretic peptide (NT pro-BNP), galectin-3, the highly sensitive C-reactive protein, the proteins that bind fatty acids. The study of stiffness of the vascular wall, echocardiography was performed, Charlson index were calculated. A twelve months after study, patients or their relatives were interviewed for revealing adverse outcomes.
Results. After one year, 28 (27,2%) patients with COPD developed chronical heart failure (CHF), 13 (12,6%) had cardiovascular complications and 8 (7,8%) patients died. The risk group the development of acute decompensation of heart failure is composed of patients with chronic bronchitis phenotype in COPD, with increased body weight, with arterial hypertension of more than 10 years, past myocardial infarction, with CHF 3–4 functional classes, having signs of decompensation in the small circulation, angina pectoris, value the Charlson comorbidity index more 4 points, the BODE index more 7 points, elevated levels of red blood cells, hemoglobin, urea, NT-proBNP (more 350 pg/ml). The most significant echocardiographic parameters are the left ventricular dilatation, right and left atrium, a decrease in the left ventricular ejection fraction of less than 45% and elevated systolic pulmonary artery pressure (above 50 mmHg). The increase levels of NT-proBNP and pulse wave velocity is associated with cardiovascular outcome in patients with COPD. The increased of mortality is associated with the severity of heart failure, limited physical activity, the severity of COPD, comorbid pathology and increased arterial stiffness. Predictors of mortality in patients with COPD on one year study was the severity of heart failure (points of SHOC), the severity of COPD (index BODE) and increased arterial stiffness (PWV of day, augmentation index of night).
Conclusion. The results of this study help defined the group of high risk and could improve diagnosis and treatment of COPD.

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About the Autors


Nina A. Karoli, Dr. med. habil., professor of the Department of hospital therapy of the Faculty of general medicine, V.I. Razumovsky Saratov State Medical University of the Ministry of Healthcare of Russia. Address: 410012, Saratov, 112 Bol`shaya Kazach`ya Str. E-mail: nina.karoli.73@gmail.com. ORCID: https://orcid.org/0000-0002-7464-826X
Andrey V. Borodkin, postgraduate student of the Department of hospital therapy of the Faculty of general medicine, V.I. Razumovsky Saratov State Medical University of the Ministry of Healthcare of Russia. Address: 410012, Saratov, 112 Bol`shaya Kazach`ya Str. E-mail: kapricorn@yandex.ru
Andrey P. Rebrov, Dr. med. habil., professor, head of the Department of hospital therapy of the Faculty of general medicine, V.I. Razumovsky Saratov State Medical University of the Ministry of Healthcare of Russia. Address: 410012, Saratov, 112 Bol`shaya Kazach`ya Str. E-mail: andreyrebrov@yandex.ru. ORCID: https://orcid.org/0000-0002-3463-7734


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