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2016 Influenza epidemics: clinical and epidemiological features and current abilities for effective treatment (according to data from the Clinical Infectious Diseases Hospital No. 1, Moscow)

https://doi.org/10.18093/0869-0189-2016-26-4-444-452

Abstract

The aim of this study was to monitor in-hospital influenza virus infection during 2015 – 2016 epidemic flu season. Methods. Influenza virus was searched in patients hospitalized to a clinical infectious diseases hospital with acute respiratory viral infection during 2015 – 2016 influenza seasonal growth period using real-time RT-PCR method. Influenza virus was isolated from nasal swabs and autopsy material using canine kidney cell line. Other laboratory methods used included complete blood count, blood chemistry, blood gas analysis, urinalysis, and chest X-ray examination. Results. We examined 1,491 patients (375 adults, 546 children, 570 pregnant women with early gestational age). The proportion of hospitalized patients with confirmed A / H1N1pdm09 influenza in January – February, 2016, was 91.3%. A / H3N2 influenza virus was diagnosed in 5.7%, influenza B virus was isolated in 1.2% of patients. Totally, influenza virus was detected in 35.2% of samples, of which 30.1% of samples were obtained from adults, 33.7% of samples were obtained from children, and 39.8% of samples were obtained from pregnant women. The prevalent patient’s age was 15 to 60 years (76.1%) in adults and 3 to 6 years in children. Moderate course of influenza with a high rate of hospital admission was seen more often and was similar to that of 2009 – 2010 epidemic season. Proportion of patients with flu complicated by pneumonia was higher than that in 2014 – 2015 epidemic season. Bilateral lung injury was diagnosed in 48.4% of patients. High mortality in ICU (46.4%) was due to delayed start of antiviral treatment and late admission to a hospital. Conclusion. In 2015 – 2016 epidemic flu season, higher morbidity, complications and poor outcomes were related to predominant infection of A – H1N1pdm09 influenza virus. Risk factors of complications and death were delayed care seeking, lack of modern antiviral medications and comorbidity.

About the Authors

L. V. Kolobukhina
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

MD, Head of Laboratory of Respiratory Viral Infections and Drug Testing, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (495) 490-14-15;



E. I. Burtseva
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

MD, Head of Laboratory of Influenza Etiology and Epidemiology, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (499) 190-30-46;



I. S. Kruzhkova
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

Junior Researcher at Laboratory of Respiratory Viral Infections and Drug Testing, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (495) 490-14-15;



L. N. Merkulova
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

PhD, Chief Scientist at Laboratory of Respiratory Viral Infections and Drug Testing, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (495) 490-14-15;



R. V. Vartanyan
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

PhD, Chief Scientist at Laboratory of Respiratory Viral Infections and Drug Testing, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (495) 490-14-15;



L. B. Kisteneva
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

MD, Head of Laboratory of Epidemiology, Prevention and Diagnosis of Viral Hepatitis and Clinical Division, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (495) 490-14-15;



E. S. Kirillova
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

PhD, Chief Scientist at Laboratory of Influenza Etiology and Epidemiology, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (499) 190-30-46;



S. V. Trushakova
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

PhD in Biology, Researcher at Laboratory of Influenza Etiology and Epidemiology, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (499) 190-30-46;



A. G. Rosatkevich
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

Junior Researcher at D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (495) 490-14-15;



K. G. Krasnoslobodtsev
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

Researcher at Laboratory of Influenza Etiology and Epidemiology, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (499) 190-30-46;



E. A. Mukasheva
D.I.Ivanovskiy Virology Institute, Federal Research Center of Epidemiology and Microbiology, Honorary Academician N.F.Gamaleya Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia: 16, Gamalei str., Moscow, 123098, Russia;
Russian Federation

Researcher at Laboratory of Influenza Etiology and Epidemiology, D.I.Ivanovskiy Virology Institute, Honorary Academician N.F.GamaleyaFederal Research Center of Epidemiology and Microbiology, Federal Research Center for Epidemiology and Microbiology, Healthcare Ministry of Russia; tel.: (499) 190-30-46;



P. V. Boytsov
State Clinical Infectious Diseases Hospital No. 1, Moscow Healthcare Department: 63, Volokolamskoe av., Moscow, 125367, Russia;
Russian Federation
Head of Anesthesiology and Emergency Department, State Clinical Infectious Diseases Hospital No.1, Moscow Healthcare Department; tel.: (499) 193-83-55;


E. I. Kelli
State Clinical Infectious Diseases Hospital No. 1, Moscow Healthcare Department: 63, Volokolamskoe av., Moscow, 125367, Russia;
Russian Federation
Head of Department of Pathology, State Clinical Infectious Diseases Hospital No.1, Moscow Healthcare Department; tel.: (495) 490-14-16;


O. E. Ambrosi
State Clinical Infectious Diseases Hospital No. 1, Moscow Healthcare Department: 63, Volokolamskoe av., Moscow, 125367, Russia;
Russian Federation
radiologist at State Clinical Infectious Diseases Hospital No.1, Moscow Healthcare Department; tel.: (499) 193-63-00;


T. V. Arseneva
State Clinical Infectious Diseases Hospital No. 1, Moscow Healthcare Department: 63, Volokolamskoe av., Moscow, 125367, Russia;
Russian Federation
Head of Radiology Department, State Clinical Infectious Diseases Hospital No.1, Moscow Healthcare Department; tel.: (499) 193-63-00;


M. V. Bazarova
State Clinical Infectious Diseases Hospital No. 1, Moscow Healthcare Department: 63, Volokolamskoe av., Moscow, 125367, Russia;
Russian Federation
PhD, Deputy Chief Officer for Disease Control and Prevention at State Clinical Infectious Diseases Hospital No.1, Moscow Healthcare Department; tel.: (495) 490-14-14;


A. V. Devyatkin
State Clinical Infectious Diseases Hospital No. 1, Moscow Healthcare Department: 63, Volokolamskoe av., Moscow, 125367, Russia;
Russian Federation
MD, Hospital Chief Executive Officer at State Clinical Infectious Diseases Hospital No.1, Moscow Healthcare Department; tel.: (495) 490-14-14;


O. A. Sutochnikova
Federal Pulmonology Research Institute, Federal Medical and Biological Agency of Russia: 32, build. 4, 11th Parkovaya str., Moscow, 105077, Russia
Russian Federation

PhD, Senior Researcher at Laboratory of Intensive Care and Respiratory Failure, Federal Pulmonology Research Institute, Federal Medical and Biological Agency of Russia; 32, build. 4, 11th Parkovaya str., Moscow, 105077, Russia; tel.: (495) 465-52-64;



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Review

For citations:


Kolobukhina L.V., Burtseva E.I., Kruzhkova I.S., Merkulova L.N., Vartanyan R.V., Kisteneva L.B., Kirillova E.S., Trushakova S.V., Rosatkevich A.G., Krasnoslobodtsev K.G., Mukasheva E.A., Boytsov P.V., Kelli E.I., Ambrosi O.E., Arseneva T.V., Bazarova M.V., Devyatkin A.V., Sutochnikova O.A. 2016 Influenza epidemics: clinical and epidemiological features and current abilities for effective treatment (according to data from the Clinical Infectious Diseases Hospital No. 1, Moscow). PULMONOLOGIYA. 2016;26(4):444-452. (In Russ.) https://doi.org/10.18093/0869-0189-2016-26-4-444-452

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ISSN 2541-9617 (Online)