Methods of Evaluation of Tolerance yo Physical Activity Based on Six-Minute Walking Test During Outpatient Rehabilitation of Patients with Ischemic Heart Disease
- Authors: Mikhailovskaya T.V.1, Mishina I.E.1, Nazarova O.A.1, Dovgalyuk Y.V.1, Chistyakova J.V.1
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Affiliations:
- Ivanovo State Medical Academy
- Issue: Vol 3, No 1 (2021)
- Pages: 4-10
- Section: ORIGINAL STUDY ARTICLE
- URL: https://journal-vniispk.ru/2658-6843/article/view/64360
- DOI: https://doi.org/10.36425/rehab64360
- ID: 64360
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Abstract
Background. Even though the six-minute walking test is a simple and widely available tool for the evaluation of the functional capacity of cardiac patients, its interpretation is associated with some difficulties and contradictions. Aims: To evaluate the dynamics of tolerance to physical activity during outpatient rehabilitation of patients with ischemic heart disease using predicted values of distance in the six-minute walking test. Materials and methods. 97 patients (70 men and 27 women, average age 59.6 [50; 60] years) after acute coronary syndrome and after myocardial revascularization were included. The six-minute walking test was performed at the beginning of the 3-weeks stage of cardiac rehabilitation and before the patients’ discharge. The results of the test were reported as an absolute value, a change in absolute value, and the percentage of predicted values, estimated with the reference equation by Enright and colleagues. Results. The absolute value of distance in the six-minute walking test was increased significantly from 418 [385; 465] m to 485 [440; 525] m (p <0.001). The number of patients with a distance less than 300 m was decreased significantly (12 patients, 12% vs 2 patients, 2%, p <0.001). In most patients, the absolute increase in distance was 30 m and more (81 people, 84%). After comparing the perceived data with the calculated predicted values, it was revealed that the distance raised from 79 [71; 82]% to 92 [88; 96]% of the predicted values. And 56 patients (58%) had a distance equal to 90% or more from its predicted value. Conclusions. During the third stage of cardiac rehabilitation the significant increase of the absolute value of the six-minute walking test, the growth of the percentage of predicted values, and the decrease of patients with a distance less than 300 m were found. All these estimation methods may be used to demonstrate and prove favourable changes of tolerance to physical activity in patients with ischemic heart disease.
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##article.viewOnOriginalSite##About the authors
Tatyana V. Mikhailovskaya
Ivanovo State Medical Academy
Author for correspondence.
Email: tanyadoc8484@mail.ru
ORCID iD: 0000-0002-4329-098X
SPIN-code: 7209-0144
Cand. Sci. (Med.), Associate Professor
Russian Federation, IvanovoIrina E. Mishina
Ivanovo State Medical Academy
Email: mishina-irina@mail.ru
ORCID iD: 0000-0002-7659-8008
SPIN-code: 2549-1182
Dr. Sci. (Med.), Professor
Russian Federation, IvanovoOlga A. Nazarova
Ivanovo State Medical Academy
Email: oanazarova@mail.ru
ORCID iD: 0000-0002-6920-0874
SPIN-code: 6135-6646
Dr. Sci. (Med.), Professor
Russian Federation, IvanovoYuri V. Dovgalyuk
Ivanovo State Medical Academy
Email: yuriy.d@mail.ru
ORCID iD: 0000-0001-9099-400X
SPIN-code: 1148-7850
Cand. Sci. (Med.), Associate Professor
Russian Federation, IvanovoJulia V. Chistyakova
Ivanovo State Medical Academy
Email: chud.iv@mail.ru
ORCID iD: 0000-0002-9013-5763
SPIN-code: 1193-2864
Cand. Sci. (Med.), Associate Professor
Russian Federation, IvanovoReferences
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