Questions of unification of preclinical diagnosis of myocardial damage among patients with combined cardiorespiratory pathology
https://doi.org/10.34215/1609-1175-2021-3-45-48
Abstract
Objective: The development of the way of diagnosing early damage of left ventricle (LV) of heart among smokers with early stages of the chronic obstructive pulmonary disease (COPD) and arterial hypertension (AH) by speckle-tracking of echocardiography using new indexes and possibility of its reproduction regardless the manufacturer of ultrasound scanner and its software.
Methods: 99 smokers 48.8 years old on average were observed. Patients were divided into four groups depending on the presence of COPD and AH. Strain-echocardiography with the estimate of the local and left ventricular global longitudinal strain was performed.
Results: Diastolic dysfunction of LV was defined during all observations, but it prevailed among patients having COPD and AH. Ventricular global and local longitudinal strains were within default values. The decrease in deformation of basal segments of LV among patients having COPD and AH was registered. Average value of the deformation in basal segments of LV turned out to be less among patients having AH regardless of existence of COPD.
Conclusions: Early signs of LV myocardial injuries among smokers are highly presented in case of COPD and AH. Both normal indexes of standard echocardiography and normal indexes of ventricular global and local longitudinal strains don’t exclude early myocardial damage. Relative indicators of ventricular longitudinal strains are more sensitive markers of myocardial damages among smokers in preclinical stage. Strain-echocardiography can be used as hardware-independent diagnostic method of the early signs of myocardial damage of LV.
About the Authors
E. A. Kondrashova
Vladivostok Clinical Hospital No. 1;
Pacific State Medical University
Russian Federation
Russian Federation
MD, 22 Sadovaya St., Vladivostok, 690078;
assistant of the Institute of Therapy
V. A. Nevzorova
Pacific State Medical University
Russian Federation
Russian Federation
MD, PhD, professor, head of the Institute of Therapy,
2 Ostryakova Ave., Vladivostok, 690002
D. V. Kondrashov
Vladivostok Clinical Hospital No. 1;
Pacific State Medical University
Russian Federation
Russian Federation
student,
92 Ostryakova Ave., Vladivostok, 690002
N. V. Shestakova
Pacific State Medical University
Russian Federation
Russian Federation
MD, PhD, associate professor, Institute of Therapy,
2 Ostryakova Ave., Vladivostok, 690002
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Review
For citations:
Kondrashova E.A., Nevzorova V.A., Kondrashov D.V., Shestakova N.V. Questions of unification of preclinical diagnosis of myocardial damage among patients with combined cardiorespiratory pathology. Pacific Medical Journal. 2021;(3):45-48. (In Russ.) https://doi.org/10.34215/1609-1175-2021-3-45-48
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