Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09

Aim of the study was to analyze the frequency and nature of cardiovascular complications in influenza A/H1N1/09 in Zabaykalsky Krai from 2018 to 2019. Material and methods. 86 cases of severe influenza A/H1N1/09 were analyzed. Results. The patients were divided into 2 groups, comparable by gender an...

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Main Authors: Yu. V. Pervoushina, V. V. Gorbunov, S. A. Lukyanov
Format: Article
Language:Russian
Published: Russian Academy of Sciences, Siberian Branch Publishing House 2021-08-01
Series:Сибирский научный медицинский журнал
Subjects:
Online Access:https://sibmed.elpub.ru/jour/article/view/636
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author Yu. V. Pervoushina
V. V. Gorbunov
S. A. Lukyanov
author_facet Yu. V. Pervoushina
V. V. Gorbunov
S. A. Lukyanov
author_sort Yu. V. Pervoushina
collection DOAJ
description Aim of the study was to analyze the frequency and nature of cardiovascular complications in influenza A/H1N1/09 in Zabaykalsky Krai from 2018 to 2019. Material and methods. 86 cases of severe influenza A/H1N1/09 were analyzed. Results. The patients were divided into 2 groups, comparable by gender and age. The first group consisted of patients with cardiovascular complications of influenza A/H1N1 / 09 (41 people). The second group consisted of patients without complicated flu (45 people). The average age of patients in the first group was 60 ± 13.7 years. According to the ECG results, sinus tachycardia with a heart rate of 94 ± 14.2 beats/min was dominant, in combination with various rhythm and conduction disorders: supraventricular extrasystole – in 5 (12 %) patients, acute (paroxysmal) atrial fibrillation – in 19 (46 %), ventricular extrasystole – in 7 (17 %), complete right and left bundle branch block – in 7 (17 %) and 7 (17 %), respectively, atrioventricular block of the 1st degree – in 1 (2 %) patients. Long QT syndrome was revealed in 5 patients (12 %). The severe cardiovascular system complications were: myopericarditis in 2 (5 %) people, decompensation of chronic heart failure in 4 (10 %) people, pulmonary embolism in 1 (2 %), acute myocardial infarction in 11 (27 %). The mortality rate in this group was 12 (29 %) cases from hospitalized patients. The average age of patients in the second group was 58 ± 14.1 years. According to the ECG results, sinus tachycardia with a heart rate of 91 ± 9.4 beats/min was detected in 98 % of cases, 3 (7 %) patients had complete left bundle branch block, 1 (2 %) patient had atrial fibrillation. No other rhythm or conduction disturbances were detected. No organic heart pathology was detected in this group of patients. The mortality rate was 5 (11 %) people. Conclusion. The analysis of 86 cases showed that elderly patients with a heavy premorbid background prevailed. The severe cardiovascular system complications were mainly represented by cardiac arrhythmias and the development of acute myocardial infarction. The fatal outcome occurred on the 8th-22nd day from the onset of the disease. The presence of cardiovascular complications doubles the mortality rate.
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spelling doaj.art-80237cc0652d4e8fa8556ff4e664b3c82024-03-07T18:49:59ZrusRussian Academy of Sciences, Siberian Branch Publishing HouseСибирский научный медицинский журнал2410-25122410-25202021-08-01414545710.18699/SSMJ20210407367Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09Yu. V. Pervoushina0V. V. Gorbunov1S. A. Lukyanov2Chita State Medical Academy of Minzdrav of RussiaChita State Medical Academy of Minzdrav of RussiaChita State Medical Academy of Minzdrav of RussiaAim of the study was to analyze the frequency and nature of cardiovascular complications in influenza A/H1N1/09 in Zabaykalsky Krai from 2018 to 2019. Material and methods. 86 cases of severe influenza A/H1N1/09 were analyzed. Results. The patients were divided into 2 groups, comparable by gender and age. The first group consisted of patients with cardiovascular complications of influenza A/H1N1 / 09 (41 people). The second group consisted of patients without complicated flu (45 people). The average age of patients in the first group was 60 ± 13.7 years. According to the ECG results, sinus tachycardia with a heart rate of 94 ± 14.2 beats/min was dominant, in combination with various rhythm and conduction disorders: supraventricular extrasystole – in 5 (12 %) patients, acute (paroxysmal) atrial fibrillation – in 19 (46 %), ventricular extrasystole – in 7 (17 %), complete right and left bundle branch block – in 7 (17 %) and 7 (17 %), respectively, atrioventricular block of the 1st degree – in 1 (2 %) patients. Long QT syndrome was revealed in 5 patients (12 %). The severe cardiovascular system complications were: myopericarditis in 2 (5 %) people, decompensation of chronic heart failure in 4 (10 %) people, pulmonary embolism in 1 (2 %), acute myocardial infarction in 11 (27 %). The mortality rate in this group was 12 (29 %) cases from hospitalized patients. The average age of patients in the second group was 58 ± 14.1 years. According to the ECG results, sinus tachycardia with a heart rate of 91 ± 9.4 beats/min was detected in 98 % of cases, 3 (7 %) patients had complete left bundle branch block, 1 (2 %) patient had atrial fibrillation. No other rhythm or conduction disturbances were detected. No organic heart pathology was detected in this group of patients. The mortality rate was 5 (11 %) people. Conclusion. The analysis of 86 cases showed that elderly patients with a heavy premorbid background prevailed. The severe cardiovascular system complications were mainly represented by cardiac arrhythmias and the development of acute myocardial infarction. The fatal outcome occurred on the 8th-22nd day from the onset of the disease. The presence of cardiovascular complications doubles the mortality rate.https://sibmed.elpub.ru/jour/article/view/636influenzapneumoniazabaykalsky kraiarrhythmiasmyocarditis
spellingShingle Yu. V. Pervoushina
V. V. Gorbunov
S. A. Lukyanov
Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09
Сибирский научный медицинский журнал
influenza
pneumonia
zabaykalsky krai
arrhythmias
myocarditis
title Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09
title_full Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09
title_fullStr Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09
title_full_unstemmed Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09
title_short Cardiovascular complications in patients with severe pneumonia with influenza A/H1N1 / 09
title_sort cardiovascular complications in patients with severe pneumonia with influenza a h1n1 09
topic influenza
pneumonia
zabaykalsky krai
arrhythmias
myocarditis
url https://sibmed.elpub.ru/jour/article/view/636
work_keys_str_mv AT yuvpervoushina cardiovascularcomplicationsinpatientswithseverepneumoniawithinfluenzaah1n109
AT vvgorbunov cardiovascularcomplicationsinpatientswithseverepneumoniawithinfluenzaah1n109
AT salukyanov cardiovascularcomplicationsinpatientswithseverepneumoniawithinfluenzaah1n109