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Effects of intranasal Imunofan administration upon phagocytic activity in treatment of exudative otitis media in children

https://doi.org/10.15789/1563-0625-2019-5-

Abstract

Exudative otitis  media  in  childhood is most  often  associated with  chronic inflammation in the  nasopharyngeal area,  with  immediate participation of phagocytic cells. Our  paper  presents  the  data  on evaluation of clinical  and immunological efficacy of intranasal Imunofan use included into  complex therapy of exudative  otitis  media.  Dynamic observation (before  treatment, 1 and  3 months after treatment) of these parameters included regular  evaluation of the  neutrophil and  monocyte amounts in peripheral blood  and  in smear imprints from nasal mucosa, determination of myeloperoxidase activity in circulating neutrophils, and the content of interleukin IL-8 and IL-18  in the nasal washouts. The clinical status was assessed using a scoring system, which subjectively reflected the state of the nasopharynx and auditory function. Fourty-three children aged from 3 to 7 years with exudative  otitis media associated with chronic adenoiditis were examined. Patients of the first group (22 children) were treated using only conventional approaches (basic therapy). The patients from  the  second  group  (21 children) received  Imunofan in addition to the  basic therapy. The  control group consisted of 16 relatively  healthy  children. Before  treatment of the  children with exudative  otitis  media, an increase  in the relative content of monocytes in their blood,  a decreased activity of myeloperoxidase and lower concentration of IL-8  and  IL-18  in the  nasal  wash was observed  in comparison with  healthy  controls. No differences in severity  of clinical  symptoms were revealed  between  the  groups  of patients. Baseline  therapy was not  accompanied by positive  dynamics in the  clinical  pattern of the  disease.  Relative  monocytosis and reduced activity of neutrophilic myeloperoxidase persisted  in peripheral blood;  the concentration of IL-8  and IL-18  in the  nasal washings  remained low. Following intranasal use of Imunofan, the  number of circulating monocytes was restored by the  third  month from  the  start  of treatment, there  was an  increased activity  of myeloperoxidase registered  in blood neutrophils, as well as higher IL-8  and IL-18  concentrations in the nasal washings. Normalization of the phagocytos-related parameters, according to this scoring,  was associated with clinical remission of the disease. The revealed relationships between clinical data and the results obtained in the course  of laboratory research  suggest a positive effect of Imunofan as an agent that may enhance effectiveness of conventional basic therapy  of otitis media in children.

About the Authors

E. N. Kologrivova
Siberian State Medical University
Russian Federation

Kologrivova Elena N. - PhD, MD (Medicine), Professor, Department of Immunology and Allergology.

634050, Tomsk,  Moskovsky  Tract, 2. Phone: 7 (913) 876-80-69


Competing Interests: not


R. I. Pleshko
Siberian State Medical University
Russian Federation

Pleshko Raisa I. - PhD, MD (Medicine), Professor, Department of Morphology and General Pathology.

Tomsk

Competing Interests: not


N. V. Scherbik
Siberian State Medical University
Russian Federation

Scherbik Natalya V. - PhD (Medicine), Associate Professor, Department of Otorhinolaryngology.

Tomsk


Competing Interests: not


A. V. Starokha
Siberian State Medical University
Russian Federation

Starokha Alexander V. - PhD, MD (Medicine), Professor, Head, Department of Otorhinolaryngology.

Tomsk

Competing Interests: not


E. Chichinskas
Siberian State Medical University
Russian Federation

Chichinskas Edouradas - Clinical Resident.

Tomsk

Competing Interests: not


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For citations:


Kologrivova E.N., Pleshko R.I., Scherbik N.V., Starokha A.V., Chichinskas E. Effects of intranasal Imunofan administration upon phagocytic activity in treatment of exudative otitis media in children. Medical Immunology (Russia). 2020;22(4):741-750. (In Russ.) https://doi.org/10.15789/1563-0625-2019-5-

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ISSN 1563-0625 (Print)
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