en POLSKI
eISSN: 2084-9834
ISSN: 0034-6233
Reumatologia/Rheumatology
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5/2021
vol. 59
 
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abstract:
Original paper

Underdiagnosis of cardiopulmonary involvement in patients with idiopathic inflammatory myopathies

Aleksandra Opinc
1
,
Olga Brzezińska
1
,
Joanna Makowska
1

1.
Department of Rheumatology, Medical University of Lodz, Poland
Reumatologia 2021; 59, 5: 276–284
Online publish date: 2021/11/07
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Introduction
In the course of idiopathic inflammatory myopathies internal organs, including heart and lungs, can be involved. Cardiopulmonary complications significantly alter the course of the disease, leading to poorer prognosis. A lack of clear guidelines on the assessment of internal organ involvement in the course of myositis increases the risk of underdiagnosis. The aim of the study was to evaluate the incidence of clinical symptoms indicative of cardiovascular and pulmonary involvement in patients with myositis, and the impact of these ailments on daily living.

Material and methods
A self-designed online survey was distributed via online support groups and community forums for patients with idiopathic inflammatory myopathies. The questionnaire contained inquiries about demographical data, clinical symptoms, including symptoms indicative of cardiopulmonary involvement, as well as the standardised Health Assessment Questionnaire. Respondents were divided according to concomitant diseases into a subgroup diagnosed with cardiopulmonary diseases and a subgroup without such comorbidities. The prevalence of cardiopulmonary symptoms was compared between the subgroups. The impact of cardiopulmonary symptoms on the degree of disability and daily functioning was assessed.

Results
In total, 370 patients were included in the study group. The most commonly symptoms included dyspnoea during exercise, palpitations and ankle oedema during daily activities. Cardiopulmonary symptoms were frequent in respondents diagnosed with cardiopulmonary diseases and in patients declaring no comorbidities of the heart and lungs. Intensity of chest pain, tolerance of physical activity, and fatigue were comparable in both of the study subgroups. The degree of disability was higher in respondents with concomitant cardiovascular and/or pulmonary comorbidities, but only dry cough and ankle oedema impacted the results.

Conclusions
Clinical symptoms indicative of heart and lung involvement occur frequently in patients with idiopathic inflammatory myopathies; however, cardiopulmonary complications seem to be relatively rarely detected. Active screening for cardiopulmonary involvement is recommended.

keywords:

idiopathic inflammatory myopathies, heart failure, interstitial lung disease, underdiagnosis







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