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Otitis externa

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October 22, 2016: Veterinary Record
Darja Kušar, Karin Šrimpf, Petra Isaković, Lina Kalšek, Javid Hosseini, Irena Zdovc, Tina Kotnik, Modest Vengušt, Gabrijela Tavčar-Kalcher
BACKGROUND: Bacterial intercellular communication, called quorum sensing, takes place via the production and collective response to signal molecules. In Gram-negative bacteria, like Pseudomonas aeruginosa, these signaling molecules are N-acylhomoserine lactones (AHLs). P. aeruginosa is a common cause of inflammation of the ear canal (otitis externa) in dogs. It employs quorum sensing to coordinate the expression of host tissue-damaging factors, which are largely responsible for its virulence...
October 18, 2016: BMC Veterinary Research
Sophie C H Wen, Damien Phillips, Amanda Gwee
No abstract text is available yet for this article.
November 2016: Pediatric Infectious Disease Journal
S Paterson
Topical otic products form an integral part of the overall management of otitis externa. With an ever increasing array of ear drops and cleaners to choose from, appropriate selection of therapy can be difficult. The investigation of all cases of otitis externa should consider primary and secondary causes and predisposing and perpetuating factors. This article considers topical therapy under these same broad headings and discusses, through literature review, the various properties of the components of the ear cleaning solutions and drops...
October 16, 2016: Journal of Small Animal Practice
Sharafine Stephen, Beula Subashini, Regi Thomas, Ajay Philip, Rajan Sundaresan
Malignant otitIs externa (skull base osteomyelitis) is predominantly caused by bacteria while fungal etiology is rare. We report a middle aged diabetic gentleman who succumbed to invasive skull base infection due to Apophysomyces elegans a fungus belonging to Zygomycetes which causes only skin and soft tissue infections. Mortality and invasive infections due to this genus is rarely reported, especially in the ear.
February 2016: Journal of the Association of Physicians of India
Peymaneh Alizadeh Taheri, Shima Rostami, Manelie Sadeghi
Acute otitis externa (AOE) is an infection of the external auditory canal, the auricle, and the outer surface of the tympanic membrane. Although AOE is one of the most common otologic conditions encountered in pediatric population, it is known to primarily affect children older than 2 years. We report a case of AOE caused by Staphylococcus aureus in a 23-day-old neonate. A 23-day-old female infant presented to our neonatology clinic with irritability and discharge from the right ear. There were yellow otorrhea, mild erythema, and edema of right external ear canal...
2016: Case Reports in Infectious Diseases
G Chawdhary, S Hussain, R Corbridge
Central skull-base osteomyelitis (CSBO) is a rare life-threatening infection, usually resulting from medial spread of necrotising otitis externa. Here, we describe a case with no identifiable source of infection, causing a delay in diagnosis. An 80-year-old man with Crohn's disease treated with mesalazine presented with collapse and tonic-clonic seizure. Computed tomography and magnetic resonance imaging showed a nasopharyngeal mass that was initially thought to be a neoplasm. Awaiting formal biopsy, he represented with collapse and repeat imaging showed features of abscess formation...
September 23, 2016: Annals of the Royal College of Surgeons of England
Soroush Amani, Mohammad Moeini
INTRODUCTION: Acute otitis externa is an inflammation of the external auditory canal known as "swimmer's ear". Direct costs including medical treatment, painkillers, antibiotics, steroids or both and indirect costs are also remarkable. AIM: The aim of this study was to compare the effect of boric acid and polymyxin, neomycin and hydrocortisone composition in the treatment of acute otitis externa. MATERIALS AND METHODS: This randomized clinical trial was carried out on 80 patients aged more than 17-year-old who were referred to Kashani hospital clinic with a diagnosis of acute otitis externa by otolaryngologist...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
Oliver McLaren, Christian Potter
A 79-year-old man, with a history of well-controlled diabetes mellitus, presented with left-sided otalgia. With an initial diagnosis of simple otitis externa, he was discharged on topical drops. He represented 2 months later with worsening otalgia and discharge. A diagnosis of malignant otitis externa was made based on clinical and radiological findings. Intravenous Tazocin and Gentamicin were given based on previous bacterial culture from ear swabs. The patient failed to improve and developed left-sided facial nerve palsy...
2016: BMJ Case Reports
G C Ilechukwu, Cga Ilechukwu, B C Ezeanolue, I J Okoroafor, N C Ojinnaka, A C Ubesie, G O Emechebe, J Eze
BACKGROUND: Ear related diseases are commonly seen in clinics worldwide especially among children. They are associated with significant morbidity and frequent hospital visits. Limited data exists regarding the burden of ear disease among Nigerian children. OBJECTIVE: To determine the prevalence of ear-related problems among children presenting at the Paediatric and Otorhinolaryngology clinics of the University of Nigeria Teaching Hospital, Enugu. MATERIALS AND METHODS: This was a cross-sectional study conducted at the Paediatric and Otorhinolaryngology Clinics of the University of Nigeria Teaching Hospital Enugu...
June 2016: African Health Sciences
Haruka Miyabe, Atsuhiko Uno, Takahiro Nakajima, Natsue Morizane, Keisuke Enomoto, Masayuki Hirose, Toshinori Hazama, Yukinori Takenaka
Skull base osteomyelitis is classically documented as an extension of malignant otitis externa. Initial presentation commonly includes aural symptoms and cranial nerve dysfunctions. Here we present a case that emerged with multiple infarctions in the right cerebrum. A male in his 70s with diabetes mellitus and chronic renal failure presented with left hemiparesis. Imaging studies showed that blood flow in the carotid artery remained at the day of onset but was totally occluded 7 days later. However, collateral blood supply prevented severe infarction...
2016: Case Reports in Otolaryngology
Yutaka Momota, Junya Yasuda, Mitsutaka Ikezawa, Jun Sasaki, Masaaki Katayama, Kenji Tani, Masahiro Miyabe, Eri Onozawa, Daigo Azakami, Katsumi Ishioka, Toshinori Sako
Proliferative and necrotising otitis externa (PNOE) is a very rare disease affecting the ear canals and concave pinnae of kittens. This report describes a 5-month-old cat with PNOE. Histopathological examination confirmed the diagnosis. Treatment was initiated with local injection of methylprednisolone acetate into the lesions. The cat was subsequently treated with clobetasol propionate cream, a potent topical glucocorticoid ointment. The cat showed marked improvement. While topical treatment with tacrolimus, an immunosuppressive agent, is reported to be an effective therapy, to the best of our knowledge, this is the first report to treat PNOE with local corticosteroid therapy...
August 28, 2016: Journal of Veterinary Medical Science
Giovanni Ghibaudo, Davide Santospirito, Andrea Sala, Sara Flisi, Simone Taddei, Sandro Cavirani, Clotilde Silvia Cabassi
BACKGROUND: Pseudomonas aeruginosa (PA) may cause suppurative otitis externa with severe inflammation and ulceration in dogs. Multidrug resistance is commonly reported for this organism, creating a difficult therapeutic challenge. OBJECTIVE: The aim of this study was to evaluate the in vitro antimicrobial activity of a gel containing 0.5 μg/mL of antimicrobial peptide AMP2041, 0.07% chlorhexidine digluconate (CLX), 0.4% Tris and 0.1% EDTA on 30 clinical isolates of PA from canine otitis externa...
October 2016: Veterinary Dermatology
Zuzana Sihelská, Peter Váczi, Eva Conková
Malassezia (M.) pachydermatis is the lipophilic yeast, which is normally present on the skin and in the ear canal of dogs but under certain conditions it may cause dermatitis and otitis. There is less known about the occurrence of lipid-dependent Malassezia species in dogs. The aim of this study was to detect whether lipid-dependent yeasts are part of the normal microflora in dogs. Two groups of animals were selected for comparison. The group of healthy dogs contained samples of 118 individuals and the group of dogs with cutaneous lesions or otitis externa comprised 328 dogs...
July 2016: Berliner und Münchener Tierärztliche Wochenschrift
Agnieszka Wawrzecka, Anna Szymańska, Radosław Jeleniewicz, Marcin Szymański
Granulomatosis with polyangiitis is autoimmune and rare disease. It affects many organs, but the most often affected organs are the nose, lungs, and kidneys. It is part of vasculitis and causes an autoimmune attack by an abnormal type of circulating antibody termed ANCAs against small blood vessels. Disease concerns both men and women with a peak age of presentation in the sixth and seven decades. Typically upper and lower respiratory tract and kidneys are involved. Otitis externa, otitis media, or mastoiditis rarely occurs in granulomatosis with polyangiitis...
2016: Case Reports in Otolaryngology
(no author information available yet)
No abstract text is available yet for this article.
July 23, 2016: Veterinary Record
Kristin A Coleman, Daniel D Smeak
OBJECTIVE: To determine whether perioperative complication rates are different between unilateral (ULS) versus single-stage bilateral (BLSS) total ear canal ablation-lateral bulla osteotomy (TECA-LBO) surgeries. STUDY DESIGN: Retrospective case series. ANIMALS: Fifity-seven dogs (79 ears) undergoing TECA-LBO at a single institution over 14 years. METHODS: Medical records of dogs undergoing TECA-LBO for end-stage inflammatory non-neoplastic ear disease from March 1999 to September 2013 at the Colorado State University Veterinary Teaching Hospital were evaluated for intraoperative and early postoperative complications associated with the procedure...
July 2016: Veterinary Surgery: VS
Annekatrin Coordes, Linda Jahreiss, Uwe Schönfeld, Minoo Lenarz
After stapes surgery, patients with mixed or moderate hearing loss have limited possibilities for hearing improvement. We are reporting on a patient who underwent stapedotomy bilaterally 20 years ago and had sensorineural and mixed hearing loss. Recurrent otitis externa prevented the use of hearing aids. This patient was treated bilaterally with the Vibrant Soundbridge (Med-El, Innsbruck, Austria) successively. The Schuknecht piston stapes prostheses remained in situ. The Floating Mass Transducer (FMT; Med-El) was coupled to the round window (RW) and provided good acoustic reinforcement bilaterally...
June 27, 2016: Laryngoscope
Sujata N Muranjan, Satish V Khadilkar, Sanjay C Wagle, Sunila T Jaggi
The aim of this study is to describe the clinical presentation of central skull base osteomyelitis and to discuss the classical imaging findings and various diagnostic and therapeutic challenges faced in the management of this condition. This is a retrospective analysis of inpatient case records, carried out in a multidisciplinary tertiary care hospital. The study subjects included five elderly diabetic patients presenting to the ENT surgeon or neurologist with headache followed by multiple cranial nerve paralysis with no temporal bone involvement in four patients and a past history of otitis externa in one patient...
June 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
Ching Yang, Hui-Pi Huang
BACKGROUND: Otodectes cynotis (ear mite) accounts for 50-80% of cases of otitis externa in cats. Various treatment options exist but evidence-based reviews on treatments for this parasite have not been conducted. HYPOTHESIS/OBJECTIVES: The purpose of this study was to systematically review the efficacy of treatments for Otodectes cynotis infestation in cats, to provide recommendations for their use and to suggest methodologies for future clinical trials and research...
August 2016: Veterinary Dermatology
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