Estudo da diferença das temperaturas retal e do canal auditivo de acordo com a conformação da concha acústica em cães

Mueller, Eduardo Negri; Bergmann, Lucimara Konflanz; Anciuti, Andréia Nobre; Tillmann, Mariana Teixeira; Nobre, Márcia de Oliveira

doi:10.5433/1679-0359.2012v33n5p1907

Cited by 4 publications

(2 citation statements)

References 2 publications

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“…Temperature and pH of the ear canal also responded similarly in all groups (Fig.1). These parameters are important for the establishment of pathogenic bacteria and/or fungi (Mueller et al 2012, Mueller et al 2013, but no correlation with infection was observed in our study. None the less, temperatures in all groups were slightly lower than normal, which is expected in patients suffering from external otitis (Yoshida et al 2002), infectious or otherwise.…”

Section: Discussioncontrasting

confidence: 78%

A randomized, double-blind, placebo-controlled study to assess the effect of an aqueous extract of Triticum aestivum on canine outer ear inflammation

et al. 2017

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ABSTRACT.-Fernandes C.P.M., Hijano A., Lima C.S., Fontoura E.G., Schramm R.C., Félix S.R. & Nobre M.O. 2017. A randomized, double-blind, placebo-controlled study to evaluate the effect of an aqueous extract of Triticum aestivum on canine outer ear inflammation. Pesquisa Veterinária Brasileira 37 (11) Outer ear otitis is a multifactorial acute or chronic inflammation of the ear canal, and treatment is often hampered by growing antibiotic resistance. Pre-clinical assessments have shown that an aqueous extract of Triticum aestiveum (wheat) can effectively reduce the symptoms associated with the disease. The purpose of this study was to assess, through a randomized, double-blind, placebo-controlled trial, the use of T. aestivum extract on canine external otitis. Thirty dogs (60 ears) met the criteria to be included in this study, and were randomly assigned a treatment group: placebo, extract, or positive control (C+). Ears were treated every day for seven days, and assessed before treatment (day zero), after treatment (day 7), and again on reassessment (day 14). Clinical assessment included: type of otitis; pinna conformation; presence or absence of itchiness, foul odor, and pain; presence of stenosis, erythema and cerumen. Furthermore, the evaluators assessed the temperature in each ear and the pH of the cerumen, and swabs were collected for bacterial and fungal isolation. All veterinarians treating and assessing the animals were blinded regarding the treatment groups. Results showed little difference in the treatment groups regarding clinical parameters. By day 7 ears treated with the C+ had elevated temperatures, when compared to the others (P<0.05), this was still true on day 14. Bacterial isolation had completely died out by day 7, however, on day fourteen the placebo group had six ears with bacterial infections, unlike the other two groups (P<0.05). The results generated herein show that a 25% wheat extract solution is effective in the reduction of clinical and microbiological parameters of external otitis, with better results when compared to a placebo, and similar results to the traditional, antibiotic/anti-inflammatory treatment.

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Section: Discussioncontrasting

confidence: 78%

A randomized, double-blind, placebo-controlled study to assess the effect of an aqueous extract of Triticum aestivum on canine outer ear inflammation

et al. 2017

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“…The females from first to third parturition order were distributed into two environments, with natural and localized cooling ventilation. Rectal temperature was obtained utilizing a veterinary thermometer (± 0,1°C), measured during 3 minutes (Mueller et al, 2012). The respiratory rate was obtained through observation and counting of flank movements during 15 seconds, performing the correction to one minute.…”

Section: Methodsmentioning

confidence: 99%

Cooling ventilation at farrowing for sows from first to third parturition

et al. 2019

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This study aimed to evaluate the thermal comfort considering natural and cooling ventilation on the performance, physiological parameters and thermal comfort indices for sows from first to third parturition. A total of 30 sows from commercial lineage (genetic base Landrace x Large White) initially weighing 252.3±5.7, 280.8±9.5 and 324.5±4.8 kg at first, second and third parturition, respectively, were distributed in a 3x2 factorial arrangement, considering the three parturition orders and the two ventilation methods, with five replicas per treatment. The effect of ventilation methods and times of the day on relative humidity, radiant thermal load, temperature and humidity index and black globe humidity index. There was an interaction among ventilation methods and parturition order for sow weight at weaning and daily feed intake. Regarding the females physiological parameters, with the exception of rectal temperature, there was an interaction between ventilation methods and times of the day. The thermal conditioning using cooling ventilation provides better values for thermal comfort indexes of the sows and promotes an increase in feed intake, mainly in gilts.

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The role of the microbiome in allergic dermatitis-related otitis externa: a multi-species comparative review

Houtsaeger,

Pasmans,

Claes

et al. 2024

Front. Vet. Sci.

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The external ear canal, characterized by species-specific structural and physiological differences, maintains a hostile environment that prevents microbial overgrowth and foreign body entry, supported by factors such as temperature, pH, humidity, and cerumen with antimicrobial properties. This review combines several studies on the healthy ear canal’s structure and physiology with a critical approach to the potential existence of an ear microbiome. We use a comparative multi-species approach to explore how allergic conditions alter the ear canal microenvironment and cerumen in different mammalian species, promoting pathogen colonization. We propose a pathogenetic model in which allergic conditions disrupt the antimicrobial environment of the EEC, creating circumstances favorable for facultative pathogenic micro-organisms like Staphylococcus and Malassezia species, leading to otitis externa (OE). A better understanding of the underpinning mechanisms may lead to innovative approaches to disease mitigation.

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Estudo da diferença das temperaturas retal e do canal auditivo de acordo com a conformação da concha acústica em cães

Cited by 4 publications

References 2 publications

A randomized, double-blind, placebo-controlled study to assess the effect of an aqueous extract of Triticum aestivum on canine outer ear inflammation

A randomized, double-blind, placebo-controlled study to assess the effect of an aqueous extract of Triticum aestivum on canine outer ear inflammation

Cooling ventilation at farrowing for sows from first to third parturition

The role of the microbiome in allergic dermatitis-related otitis externa: a multi-species comparative review

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