open access

Vol 83, No 3 (2015)
ORIGINAL PAPERS
Submitted: 2015-04-30

Causes of deaths in COPD patients in primary care setting — a 6-year follow-up

Robert Pływaczewski, Janusz Maciejewski, Michał Bednarek, Jan Zieliński, Dorota Górecka, Paweł Śliwiński
DOI: 10.5603/PiAP.2015.0031
·
Pneumonol Alergol Pol 2015;83(3):193-202.

open access

Vol 83, No 3 (2015)
ORIGINAL PAPERS
Submitted: 2015-04-30

Abstract

Introduction: COPD is one of the most frequent respiratory diseases responsible for patients’ disability and mortality. In 2005 a single primary care practice, COPD was diagnosed in 183 out of 1,960 eligible subjects ≥ 40 years (9.3%). The aim of this study was to assess mortality rate and causes of deaths in this group after 6 years.

Material and methods: In 2011 we invited all 183 patients with COPD recognised in 2005. We performed spirometry, physical examination, questionnaire of respiratory symptoms, smoking habits, concomitant diseases and treatment. Information about deaths was taken from primary care register, furthermore, family members were asked to deliver medical documentation or death certificate.

Results: In 2011 we studied only 74 subjects (40.4%), 43 subjects died (23.5%) and 66 subjects were lost from the follow-up (36.1%). Cardiovascular diseases were the most frequent causes of deaths — 21 subjects (48.8%) (heart attack – 8 patients and stroke – 8 patients). Respiratory failure in the course of COPD exacerbation was the cause of 10 deaths (23.3%). Neoplastic diseases lead to 9 deaths (20.9%) (lung cancer 7 patients). Renal insufficiency was responsible for one death (2.325%), and the causes of 2 deaths remained unknown (4.65%). Subjects who died (predominantly males) were older, had higher MRC score and lower FEV1.

Conclusions: Study performed six years after COPD diagnosis revealed that 23.5% of subjects died. The main causes of deaths were the following: cardiovascular diseases (mainly heart attack and stroke), COPD exacerbations and lung cancer (more than 75%). Death risk in COPD patients was associated with age, male sex, dyspnoea and severity of the disease.

Keywords

mortality, COPD, primary care setting, epidemiology, spirometry

About this article
Title

Causes of deaths in COPD patients in primary care setting — a 6-year follow-up

Journal

Advances in Respiratory Medicine

Issue

Vol 83, No 3 (2015)

Pages

193-202

DOI

10.5603/PiAP.2015.0031

Bibliographic record

Pneumonol Alergol Pol 2015;83(3):193-202.

Keywords

mortality
COPD
primary care setting
epidemiology
spirometry

Authors

Robert Pływaczewski
Janusz Maciejewski
Michał Bednarek
Jan Zieliński
Dorota Górecka
Paweł Śliwiński

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