نتایج جستجو برای: ear inflammation

تعداد نتایج: 206284  

2017

Otitis media with effusion (OME), also called glue ear, is characterised by a collection of fluid in the middle-ear cleft. there is chronic inflammation but without signs of acute inflammation. OME is the most common cause of hearing impairment (and the most common reason for elective surgery) in childhood, where it usually follows an episode of acute otitis media (AOM). It is uncommon in adult...

2016
Derek Hood Richard Moxon Tom Purnell Caroline Richter Debbie Williams Ali Azar Michael Crompton Sara Wells Martin Fray Steve D. M. Brown Michael T. Cheeseman

Acute otitis media, inflammation of the middle ear, is the most common bacterial infection in children and, as a consequence, is the most common reason for antimicrobial prescription to this age group. There is currently no effective vaccine for the principal pathogen involved, non-typeable Haemophilus influenzae (NTHi). The most frequently used and widely accepted experimental animal model of ...

Journal: :Comparative medicine 2012
Randi Lundberg Susanne K Clausen Wanyong Pang Dennis S Nielsen Kristian Möller Knud E Josefsen Axel K Hansen

At present, laboratory animals are not standardized with regard to the gastrointestinal microbiota (GM), but differences in this feature may alter various parameters in animal models. We hypothesized that variation in the GM correlated with variation in clinical parameters of a murine oxazolone-induced skin inflammation model of atopic dermatitis. BALB/cA mice were sensitized with oxazolone ov...

Journal: :The Journal of pharmacology and experimental therapeutics 2000
S K Klimuk S C Semple P N Nahirney M C Mullen C F Bennett P Scherrer M J Hope

The anti-inflammatory activity of free and liposome-encapsulated oligonucleotide targeted against intercellular adhesion molecule-1 mRNA was investigated in a delayed type hypersensitivity model of acute inflammation in mice. Contact hypersensitivity reactions to 2, 4-dinitrofluorobenzene were monitored by measuring ear thickness and cellular infiltration, both of which were observed to be maxi...

Journal: :journal of basic and clinical pathophysiology 2012
mahdi rezazarandi mohsen khalili samira vahidi

background and objective: regarding side effects of acute and especially chronic inflammation and incomplete treatment of patients suffering from these side effects, the new and effective strategies are needed. for this purpose, in the present study, we scientifically evaluate an introduced folk herb urtica dioica, for treatment of inflammation. materials and methods: the sham, control and trea...

Cyclizine (1-benzhydryl-4-methyl-piperazine, CAS 82-92-8, CYC, I), a piperazine derivative, belongs to H1 antihistamine group of drugs that shows such pharmacological properties as anti-inflammatory, anti-allergic and anti-platelet effects, similar to other H1-receptor antagonists. In this study, two new tolyl and cumene derivatives of I (1-ethyl-4-[(p-isopropylphenyl) (p-tolyl) methyl]-piperaz...

2012
Lisa M. Morris Jacqueline M. DeGagne J. Beth Kempton Frances Hausman Dennis R. Trune

HYPOTHESIS The middle ear contains homeostatic mechanisms that control the movement of ions and fluids similar to those present in the inner ear, and are altered during inflammation. BACKGROUND The normal middle ear cavity is fluid-free and air-filled to allow for effective sound transmission. Within the inner ear, the regulation of fluid and ion movement is essential for normal auditory and ...

Journal: :Brazilian journal of otorhinolaryngology 2014
Débora Lopes Bunzen Nathalia Lins Mariana de Carvalho Leal Mariana Montenegro de Melo Lira Silvio da Silva Caldas Neto

INTRODUCTION Several biomaterials can be used in ear surgery to pack the middle ear or support the graft. The absorbable gelatin sponge is the most widely used, but it may produce fibrosis and impair ventilation of the middle ear. OBJECTIVE This experimental study aimed to investigate the inflammatory effects of the sugarcane biopolymer sponge (BP) in the rat middle ear compared with absorbab...

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