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 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Ninety patients with subdural empyema were treated in the period after computerized tomography (CT) became available (1979 to 1991). Males predominated by a ratio of 2:1, and 40 patients were between 11 and 20 years old. The site of origin was the paranasal air sinuses in 53 patients, the middle ear in 19, and a superficial infection in eight; the source of infection was not known in 10. The most common clinical presentation was headache, fever, neck stiffness, seizures, or periorbital swelling; only seven patients had status epilepticus. While the erythrocyte sedimentation rate and white blood cell count were invariably elevated, the cerebrospinal fluid showed nonspecific pleocytosis in the 60 patients who underwent lumbar puncture. The definitive preoperative diagnosis was made by contrast-enhanced CT in all cases. Surgical treatment was by multiple burr holes in 37 patients, burr holes and small craniectomies in 33, burr holes with catheter drainage in seven, and a large craniotomy in 12. One patient was treated without surgery. The mortality rate was 7.7%, with 86% making a good recovery. These results compare favorably with those reported in other studies using craniotomy alone, and suggest that burr holes should not be disregarded as a method of treating subdural empyema where contrast-enhanced CT facilities are available.
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PMID:Subdural empyema: burr holes or craniotomy? A retrospective computerized tomography-era analysis of treatment in 90 cases. 809 19

During the eight-year period, 1983-1990, 102 cases of intracranial (IC) and extracranial (EC) complications from 17 144 suppurative otitis media were reviewed. The prevalence of each complication was 0.24 and 0.45 per cent respectively. Facial paralysis, subperiosteal abscess and labyrinthitis were the common complications among the EC group, while meningitis and brain abscess were common in the IC group. Twenty five per cent of the EC group and 44 per cent of the IC group had more than two complications. The reliable warning signs and symptoms for IC complications were fever, headache, earache, vestibular symptoms, meningeal signs and impairment of consciousness. Proteus spp., Pseudomonas aeuruginosa and Staphylococcus spp. were the commonest organisms isolated from both groups. Cholesteatoma and granulation/polyp in the middle ear/mastoid were the major findings in both patient groups. Mortality rate in the IC group was 18.6 per cent. Morbidity rate in each group was 14.3 per cent (EC) and 27.9 per cent (IC) respectively. Epidemiological presentations, clinical features and the result of treatment are discussed.
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PMID:Extracranial and intracranial complications of suppurative otitis media. Report of 102 cases. 828 94

Subdural empyema, a collection of pus in the space between the dura and arachnoid, is a rare type of intracranial infection. We report on 23 patients, aged 8 months to 70 years, with subdural empyema who were treated in our clinic between 1989 and 1994. The sources of subdural empyemas were meningitis in five patients, middle ear in five, trauma in four, paranasal sinus in three, complications of surgery and subdural tap in four, and unknown in two patients. The common presentations were headache, focal neurologic deficit, fever, vomiting, seizures, and neck stiffness. Diagnosis was achieved by computerized tomography and neurologic examinations in all cases. Treatment was effected by burr hole or small craniotomy with catheter drainage, and antibiotics were administered to all patients. The mortality rate was 8.7%; the remaining patients made a good recovery without sequelae. We therefore recommend burr hole with catheter drainage plus antibiotics as a method of treating subdural empyema.
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PMID:Treatment of subdural empyema by burr hole. 875 81

Cholesterol granulomas of the head are relatively rare. Isolated lesions of the cerebellopontine angle are even more uncommon. In this report, 17 cases of petrous apex cholesterol granulomas are presented and management is discussed. Symptoms at presentation included dizziness (14 patients), pressure (nine patients), tinnitus (eight patients), hearing loss (eight patients), otalgia (six patients), headache (six patients), nausea (three patients), drainage from ear (two patients), facial pain (two patients), seizure (two patients), lightheadedness (one patient), hemifacial spasm (one patient), and facial numbness (one patient). Six cases were managed without surgery and 11 patients underwent operative procedures. The approaches used included the infralabyrinthine (eight patients), transcanal-infracochlear (two patients), and translabyrinthine (one patient). The mean follow-up period for all cases was 29.5 months. Of those patients managed without surgery, symptoms improved in all except one, whose tinnitus was slightly worse. Of surgically treated patients, symptoms improved or remained the same except in one with worsened dizziness. There were nine patients with hearing present presurgery and seven whose hearing was preserved postsurgery. The authors present a case that was managed at another center where an attempt at surgical resection through a subtemporal middle fossa approach was unsuccessful. This lesion was successfully treated using an infralabyrinthine approach with drainage into the mastoid cavity. Cholesterol granulomas of the petrous apex can be managed without surgery when symptoms are stable or improve. Otherwise, a transmastoid extradural approach with simple drainage into the mastoid sinus or middle ear produces symptomatic improvement with low morbidity. Resection of petrous apex cholesterol granulomas is not necessary.
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PMID:Cholesterol granulomas of the petrous apex: combined neurosurgical and otological management. 881 66

A 59-year-old man presented with a rare cholesterol granuloma of the petrous apex manifesting as headache, left facial dysesthesia, diplopia, left hearing impairment, and left tinnitus. Neurological examination revealed dysesthesia of territory in all divisions of the left trigeminal nerve, left incomplete abducens nerve palsy, left mixed hearing impairment, and left tinnitus. Plain CT scan showed a smoothly marginated mass involving the left petrous apex. The mass was isodense with the brain parenchyma and not enhanced by contrast medium. The mass appeared heterogeneously slightly hyperintense on the T1-weighted MR image and homogeneously hyperintense on the T2-weighted MR image except for the peripheral portion. The mass was not enhanced after intravenous gadolinium DTPA administration. Surgery via a petrosal approach totally removed the mass in the intracranial, extradural space. Histological examination showed typical features of cholesterol granuloma, with cholesterin clefts, hemosiderin deposits, and erythrocytes in non-specific granulation tissue. Cholesterol granuloma most commonly occurs in the middle ear cavity, and rarely in the petrous apex. The characteristic hyperintense appearance of cholesterol granuloma on T1- and T2-weighted MR images is very useful for differentiation from other lesions of the petrous apex and the cerebellopontine angle such as cholesteatoma, mucocele, chordoma, and meningioma. Solid cholesterol granuloma of the petrous apex should be treated by total removal via craniotomy, not by drainage which is commonly performed by otorhinologists.
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PMID:[An operative case of cholesterol granuloma of the petrous apex]. 893 74

The existence of a physiopathologic connection between nose and middle ear is widely accepted so that chronic purulent middle ear effusion (CPMEE) could be expected to be usually associated with nasal chronic disease or impaired function. Nevertheless such association is less frequently observed in clinical practice than one could expect, possibly because of inadequate nasal function evaluation. Thirty-five patients affected by CPMEE were included in this study in order to assess the incidence of nasal disorders. E.N.T. clinical history was obtained and E.N.T. physical examination, nasal endoscopy by fiber optics, anterior rhino-rheo-manometry, non-specific nasal provocation test with histamine, mucociliary transport test, and allergic skin tests were performed. In the clinical history assessment 26 patients were affected by chronic rhinopathies, 16 by chronic pharyngitis, and 20 by frequent headache. At rhinoscopy we registered nasal septum deviation in 24 cases and mean and inferior turbinates hypertrophy in 31 cases. CPMEE and nasal septum deviation or turbinates hypertrophy were more frequently ipsilateral (p < .001 and p < .05, respectively). Total nasal resistance was 0.99 +/- 0.49; it was abnormally high in 11 subjects bilaterally and in 4 subjects monolaterally and increased significantly in 32 patients following nasal provocation test. Mucociliary transport time was longer in CPMEE subjects than in 10 healthy subjects (18 +/- 5 vs 13 +/- 4 min; p < .05). Finally 10 patients presented positive skin tests. On the whole, 96% of non allergic patients included in this study showed signs of non-specific nasal hypersensitivity which could theoretically cause purulent middle ear effusion to chronicize. Indeed recurrent histamine release in response to specific and/or aspecific stimuli could cause the obstruction of the Eustachian tube and consequently inadequate middle ear ventilation.
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PMID:Nasal hypersensitivity in purulent middle ear effusion. 915 Aug 39

This study investigated blood mercury (B-Hg) levels and the auditory neuro-sensory status of children and adults in the remote Andean settlement of Nambija, Ecuador where Hg is used in the extensive gold mining operations. The mean B-Hg level in 75 Nambija (Study Area) inhabitants (36 children and 39 adults) was 17.5 micrograms/L (SD = 11.0) vs 3.0 micrograms/L (SD = 1.6) in a second group of 34 subjects (15 children and 19 adults) in a non-gold mining area (Reference Area), the difference being statistically significant (p < 0.0001). Neuro-otological examinations revealed 34 subjects (45%) with complaints of headaches and/or memory loss, 3 cases of severe neurological impairment and 4 cases of middle ear pathology. Audiological tests on 40 persons in the Study Area (21 children and 19 adults) showed hearing thresholds ranging from normal to mildly abnormal at 2, 3, 4, 6 and 8 kHz for children, and normal to severely abnormal for adults. Correlation coefficients showed a significant relationship between B-Hg level and hearing level in children at 3 kHz in the right ear, and at no frequency for adults. Auditory brainstem evoked responses (ABR) on subjects in the Study Area showed a significant correlation between B-Hg and the I-III interpeak latency on the right side. The results indicated that the study population of the Nambija gold mining area had abnormally elevated B-Hg levels, and may be at neurological risk from exposure to methylmercury (MeHg) from the consumption of contaminated food and possibly from elemental Hg vapors inhaled during amalgam burning in the gold extraction process.
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PMID:Blood mercury and auditory neuro-sensory responses in children and adults in the Nambija gold mining area of Ecuador. 955 55

During the five years running from December 1993 to January 1998, 112 patients who had come to our University Clinic suffering from headache were examined. From this group 71 complaining of tinnitus during headache were recruited for the study: 19 patients suffered from migraine without aura, 8 migraine with aura, 15 tension headache, 21 mixed headache, 3 basic migraine and 5 cluster headache. The purpose of this work was to determine the incidence and to identify the frequency of the various types of tinnitus in the study sample. Once cardiovascular and metabolic pathologies, previous cranial or cervical traumas, barotrauma, chronic on-the-job noise exposure, cervical arthritis, ATM malocclusion, use of drugs that damage the hearing apparatus, morbose processes of the external and middle ear, otosclerosis, jugular tympanum paraganglioma, Meniere's disease, acoustic neurinoma were all ruled out, the patients underwent the following battery of instrumental tests: tonal audiometry, impedance measurement, vestibular examination, electronystagmography, ABR, simplified tinnitometry. Only those patients with normal hearing underwent the tinnitometry and, therefore, the type of tinnitus was established only for this group of 53 patients. Tinnitometry showed that 37% of these subjects had tinnitus at the higher frequency tones, 11% at the middle frequencies, 29% complained of tinnitus at the lower frequencies while 23% complained that the bothersome buzzing was a compound noise. In addition, the subjective intensity of the tinnitus was analyzed. The authors devised a tinnitus irritation scale covering a range from 0 (not irritating) to 10 (intolerable). The tinnitus was bilateral in 66% of the cases while it was limited to only one ear in the remaining 34%. In 15% of the cases tinnitus was present even when there was no headache. In the literature, the etiopathogenesis of tinnitus associated with migraine headache has been attributed to vascular and neuropeptide mechanisms. Even the psychological component appears to play a role in triggering the event. These hypotheses deserve more in depth study.
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PMID:[Tinnitus during headache: clinical-instrumental evaluation]. 1043 37

A retrospective study, which highlights some of the aspects of nasopharyngeal carcinoma (NPC) as seen in a large hospital for 20 years in Jordan, was performed. Collected data showed that NPC accounted for one per cent of all malignant tumours during the period. The present series showed an age range from six to 89 years old with a mean of 39.5 years. There was a bimodal peak at presentation at 16 to 20 and 46 to 50 years. A high incidence of childhood NPC was also noticed (two per cent of all childhood malignant tumours). The difficulty in early diagnosis urges for better awareness of the tumour especially among general practitioners. The tumour is still detected at an advanced stage with 34 per cent metastasis most frequently to bone. The study stresses the importance of full ENT examination in cases of persistent middle ear disease, recurrent or persistent nasal symptoms or headache, or neck swelling; and routine bone scanning for all cases with NPC. There is a need for prospective studies of the causal relationship of NPC to environmental factors including Epstein-Barr (EB) virus as well as occupational and domestic hazards.
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PMID:Presentation and epidemiology of nasopharyngeal carcinoma in Jordan. 1050 54

Antimicrobial agents have greatly reduced the incidence of intracranial complications of infections of the middle ear and mastoid. Too many prescriptions and overconsumption of antibiotics when otitis media is suspected has caused resistance to many antibiotics, leading to a pronounced and justifiable desire to reduce the widespread excessive use of antibiotics. The possible untoward consequences of a too restricted antibiotic policy, however, is illustrated by the following case of a 14-year-old boy who, after non-treatment of an ear infection, fell ill with one-sided headache and vomiting caused by a lateral sinus thrombosis. After intravenous treatment with antibiotics, anticoagulants and ventilation of the middle ear, the infection was cured without complications. This case calls attention to the symptoms of otitic complications arising outside the temporal bone. The physician must always bear in mind the possibility of an unusual event. The general treatment of endocranial complications is outlined, giving details of the treatment given in this special case. We stress that one should not be too cautious in prescribing antibiotics in otitis media.
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PMID:Lateral sinus thrombosis after untreated otitis media. A clinical problem--again? 1066 36


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