RESEARCH ARTICLE


Identification of Different Profiles of Illness Perception in COPD Patients: Results of Cluster Analysis



Svetlana Ovcharenko1, Yanina Galetskayte1, Dmitry Romanov2, 3, Dmitry Petelin2, *, Beatrice Volel2, 3
1 Department of Faculty Therapy, Sechenov University, Moscow, Russian Federation
2 Department of Psychiatry and Psychosomatics, Sechenov University, Moscow, Russian Federation
3 Mental Health Research Center, Moscow, Russian Federation


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Creative Commons License
© 2022 Ovcharenko et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Psychiatry and Psychosomatics, Sechenov University, Moscow, Russian Federation; Tel: +7(915)128-28-20; E-mail: petelinhome1@yandex.ru


Abstract

Background:

Chronic obstructive pulmonary disease (COPD) is a widespread, late-diagnosed, and difficult-to-treat disease that influences the quality of life. Despite the availability of a wide range of drugs for the treatment of COPD, none of them provides a complete cure, while the leading risk factors (primarily, smoking) persist. In this regard, illness perception and medical behavior play a key role.

Methods:

The study design was cross-sectional and included 143 stable outpatients (107 men, mean age 66 ± 7.5, FEV1 51.5 ± 16.5%) who attended the faculty therapy clinic of Sechenov University. The patients were examined pulmonologically and psychiatrically (Hamilton depression and anxiety rating scales). Illness perception was assessed by a brief version of the Illness perception questionnaire (brief IPQ).

Results:

There were no significant demographic differences and differences in the clinical severity of the disease between the selected groups. Patients in the distressed group had a longer duration of illness, a higher prevalence of anxiety and depression, and more severe dyspnea after a 6-minute walk test. In contrast, patients in the disregarding group had a significantly higher prevalence of smokers and a higher number of cigarettes smoked daily, and a lower prevalence of anxiety and depression. The harmonic had the most optimal profile with low severity of anxiety and depression, but with a healthier attitude to smoking.

Conclusion:

Perception of illness in COPD patients has a significant impact on medical behavior and levels of anxiety and depression. As such, the perception of illness deserves routine monitoring in clinical practice.

Keywords: COPD, Illness perception, Anxiety, Depression, Smoking, Dyspnea.