Otology

Bacteriology and antimicrobial susceptibility of ENT infections in a tropical hospital

June 8, 2014     Yok Kuan Chew, MBBS; Jack Pein Cheong, MBBS; Nambiar Ramesh, MBBS; Mohamad Din Noorafidah, MPath; Sushil Brito-Mutunayagam, MS; Abdullah Khir, MS; Narayanan Prepageran, FRCS
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Abstract

We conducted a retrospective observational study to determine the spectrum and antibiotic sensitivity pattern of organisms isolated in otorhinolaryngologic (ORL) infections. We reviewed the laboratory culture and sensitivity records of 4,909 patients-2,773 males (56.5%) and 2,136 females (43.5%), aged 2 to 90 years (mean: 45.3 ± 12.6)-who had been seen at two government hospitals in Malaysia. Of this group, 4,332 patients had a respiratory tract infection (88.2%), 206 had an ear infection (4.2%), 188 had a deep neck infection (3.8%), and 183 had an oropharyngeal infection (3.7%). The most common isolated organisms were Klebsiella spp, Pseudomonas aeruginosa, methicillin-resistant Staphylococcus aureus, methicillin-susceptible S aureus, coagulase-negative S aureus, and Acinetobacter baumannii. We also identified the antimicrobial susceptibility of these organisms. We conclude that since the spectrum of causative pathogens in some infections differs between tropical and nontropical areas of the world, tropical hospitals should not completely adopt the antibiotic guidelines for ORL infections that have been recommended for hospitals in nontropical regions. We hope that our review and analysis of local data will help practitioners in Malaysia develop an appropriate prescribing policy with respect to ORL pathogens and antimicrobial susceptibility. The goal is to reduce the morbidity and mortality associated with these infections.

Automastoidectomy

June 8, 2014     Danielle M. Blake, BA; Alejandro Vazquez, MD; Senja Tomovic, MD; Robert W. Jyung, MD
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Treatment of automastoidectomy depends on the nature of the patient's symptoms, the presence or absence of pathologic tissue, the presence of complications, and the shape and degree of epithelialization of the resulting mastoid cavity.

An abnormal sigmoid sinus with a dire clinical implication

June 8, 2014     Perianan Puraviappan, MS(ORL); Naryanan Prepageran, FRCS Ed; Cheng Ai Ong, MS(ORL); Raffique Abd Karim, MS(ORL); Omkara Rubini Lingham, MS(ORL); Rajagopalan Raman, MS(ORL)
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In reviewing CT scans before surgery, the location of the sigmoid sinus should always be noted.

Modified radical mastoidectomy and its complications-12 years' experience

May 7, 2014     Sardar U. Khan, DLO, FCPS, FRCS(Ire); Rajesh K. Tewary, MS, FRCS(Ed); Timothy J. O'Sullivan, FRCS(Canada)
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Abstract

To find the incidence of complications of modified radical mastoidectomy and to evaluate different parameters that play a role in their causation, we conducted a retrospective study spanning a period of 12 years. Included were 210 patients who underwent primary modified radical mastoidectomies performed by one senior surgeon; of these patients, 163 fulfilled the inclusion criteria. The charts were evaluated for patients' age and sex, laterality, intraoperative pathology, and complications. The complications were grouped into nine categories for analysis of their etiology. The results in this study were compared with those from other published reports. Complications were documented in 46 of 163 (28.2%) operated ears; 21 (45.7%) of them were noted in children <15 years of age, and 25 (54.3%) were found in adults. Sex and laterality were of no significance. The most common complication recorded was residual/recurrent cholesteatoma (20 [12.3%]), followed by meatal stenosis (11 [6.7%]). A moist cavity with discharging ear was noted in only 4 (2.5%) patients. No facial nerve palsies or dead ears were observed. Eleven (6.7%) patients had more than one complication. The parameters evaluated were size of the meatus, tympanic membrane appearance, status of the mastoid cavity, height of the facial ridge, and extent of the disease process. Complications can be caused by a number of factors, such as congenital anomalies, disease process, and the surgeon's skill. Each complication must be thoroughly evaluated for immediate management and to learn how to avoid it in the future.

Prevalence and correlates of dizziness in the Ibadan Study of Ageing

May 7, 2014     Akeem O. Lasisi, MBChB, FWACS, FMCORL; Oye Gureje, MBBS, PhD, DSc
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Abstract

Dizziness is common among older people, but little is known about its prevalence and risk factors in the sub-Saharan population. We conducted a cross-sectional study to determine the prevalence of dizziness and its sociodemographic, lifestyle, and clinical correlates in 1,299 subjects-551 men (42.4%) and 748 women (57.6%), aged 65 years and older (mean: 77.3 ± 6.3)-who lived in the Yoruba-speaking areas of Nigeria. Among this group, 318 persons reported dizziness, which represents a prevalence of 24.5%. Univariate analysis of sociodemographic and lifestyle variables revealed that low economic status (p = 0.05) and smoking (p = 0.01) were significantly correlated with dizziness; however, on logistic regression analysis, only smoking (p = 0.01) was found to be significant. Neither sex (p = 0.07), age (p = 0.71), area of residence (p = 0.34), education level (p = 0.74), nor alcohol consumption (p = 0.44) had a significant correlation with dizziness. On multivariate modeling, significant clinical correlates in patients with dizziness included self-reports of a history of suppurative otitis media (p = 0.01), head injury (p = 0.03), and recurrent rhinosinusitis (p = 0.01); no significant correlation was seen between dizziness and hypertension, transient ischemic attack, and diabetes. Finally, balance testing conducted in a subset of 1,006 subjects revealed poor balance in 93 of 250 persons with dizziness (37.2%) and in 189 of 756 subjects without dizziness (25.0%) (p = 0.01). Logistic regression analysis of sex and age revealed that the probability of poor balance was 1.5 times greater among those persons with dizziness. We conclude that the high incidence of dizziness among community-dwelling elderly and its significant correlations with remediable medical conditions suggest the need for policy formulation for the care of the elderly in Nigeria.

Evaluating occupational hearing loss: The value of the AMA's Guides to the Evaluation of Permanent Impairment

May 7, 2014     Robert T. Sataloff, MD, DMA, FACS, Editor-in-Chief
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As scientific knowledge and methodology expand and our knowledge base grows, it is essential for physicians and scientists to incorporate new knowledge and allow our practices to evolve.

Chondroid syringoma of the ear lobule: A unique case

May 7, 2014     Yasser Al Omran, BSc (Hons); Rawia Mohamed, MBBS, FRCPA; Mohammed-Kamal Al-Omran, MBBS, FRCS Ed, FRCS (Glasg)
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Because of the inconspicuous clinical presentation of chondroid syringomas, they are often disregarded; other, more common, differential diagnoses are usually considered.

Tympanic paraganglioma

May 7, 2014     Danielle M. Blake, BA; Senja Tomovic, MD; Robert W. Jyung, MD
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Patients classically present with pulsatile tinnitus and a red mass medial to the tympanic membrane. Some patients may have findings of a red mass that blanches with pneumatic otoscopy, called Brown's sign.

Ceruminous adenocarcinoma of the ear

May 7, 2014     Jagdeep Singh Virk, MA (Cantab), MRCS, DOHNS; Gaurav Kumar, FRCS(ORL-HNS); Sherif Khalil, MS, FRCS(ORL-HNS), MD
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Ceruminous carcinomas are extremely rare and tend to present as a mass or with otalgia. They are difficult to diagnose histopathologically (in part due to varied and nonstandardized nomenclature).

Bilateral external auditory canal cholesteatomas

March 18, 2014     Danielle M. Blake, BA; Alejandro Vazquez, MD; Robert W. Jyung, MD
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External auditory canal cholesteatomas may be classified as idiopathic or secondarily acquired, most commonly occurring in postoperative or post-traumatic settings.

Necrotizing fasciitis of the ear: An unusual case

March 18, 2014     Jessica L. Gullung, MD; Jacob E. Smith, MD; April D. Hendryx, DO; Krishna G. Patel, MD, PhD
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Abstract

We describe a rare case of necrotizing fasciitis of the ear in an otherwise generally healthy 39-year-old man. The ear is rarely involved in this often-fatal disease. The diagnosis was suspected on the basis of clinical examination and confirmed by computed tomography and pathology of a biopsy specimen, which revealed subcutaneous gas formation and dermal infiltration of inflammatory cells, respectively. The patient was promptly treated with surgical debridement, intravenous antibiotics, and hyperbaric oxygen. He recovered well and subsequently underwent otoplastic reconstruction with very satisfactory results. By documenting this case, we aim to heighten awareness of necrotizing fasciitis of the head and neck in an effort to improve survival rates.

Implants in otology

March 18, 2014     Barry E. Hirsch, MD
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Progress in technology facilitates progress in patient care.

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