Cases reported "Pseudomonas Infections"

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1/77. Pseudomonas putrefaciens from clinical material.

    Three strains of Pseudomonas putrefaciens were isolated from routine clinical specimens at the University Hospital, Kuala Lumpur, malaysia. Their cultural and biochemical characteristic, and antibiotic susceptibilities are presented. Characteristics of diagnostic value were stressed. Two isolates appeared to have played a pathogenic role in chronic otitis media.
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keywords = otitis
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2/77. amikacin (BBK8) in infections due to gram-negative organisms in children over the age of one month.

    Thirty children over the age of one month were treated with amikacin (BBK8), a new aminoglycoside derived from kanamycin A, with three intramuscular dosage schedules. Each group consisted of ten patients. The first received 7-5 mg/kg/12 hours, the second 7-5 mg/kg/24 hours and the third, 3-75 mg/kg/12 hours. The infections and the bacteria were similar in all three groups: pyelonephritis, abscesses of soft tissues, infected wounds, septicaemia, superinfected empyema, gastro-enteritis, chronic otitis media; the bacteria were E. coli, klebsiella, Pseudomonas and salmonella. A were sensitive by the Kirby-Bauer method, although two were resistant by dilution in Petri dish. Of the thirty patients, twenty four (80%) were cured. The schedule of 3-75 mg/kg/12 hours was as effective as the schedule of 7-5 mg/kg/12 hours for infections such as pyelonephritis, superficial abscesses, contaminated wounds, gastro-enteritis and sepsis. The cases with infections localized in rather unaccessible sites required double the dose and strict drainage and cleanliness. plasma levels with the administration of 3-75 mg/kg fluctuated between 8-3 and 12-6 mcg/ml; with 7-5 mg/kg they fluctuated between 8-6 and 13-1. The minimum inhibitory level (MIL) for the majority of the bacteria was 1-25 mcg/ml. No toxic reactions were observed.
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3/77. Recurrent Pseudomonas infection associated with neutrophil dysfunction.

    A 72-year-old male is described with a history of 4 episodes of pseudomonas aeruginosa sepsis and chronic otitis media caused by pseudomonas species. in vitro testing of the patient's polymorphonuclear leukocytes (PMNs) revealed profoundly abnormal chemotactic responses and defective intracellular killing of Ps. aeruginosa, staphylococcus aureus and escherichia coli. Chemiluminescence production by the patient's PMNs in response to opsonized zymosan as well as endotoxin stimulated nitroblue tetrazolium dye reduction were markedly depressed. These data indicate the presence of a profound, apparently acquired, defect in PMN function in an elderly male. Detailed evaluation of adult patients with recurrent infections may reveal similar, apparently acquired defects in PMN function.
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keywords = otitis
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4/77. osteomyelitis of the skull base with atypical onset and evolution.

    skull base osteomyelitis arises as a complication of malignant external otitis, but it can be also due to middle ear and/or mastoid infection. Other causes can be infections of the paranasal sinuses or of the mandible or maxilla due to odontic caries. Generally, osteomyelitis involves elderly patients affected by diabetic immunodeficiency or microvascular disease. In this paper, we present 3 new cases of skull base osteomyelitis with atypical onset and evolution. The difficulties of diagnosis and details of the management are discussed.
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keywords = otitis
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5/77. A case of malignant otitis externa following mastoidectomy.

    We present a case of a 63-year-old diabetic male who developed malignant otitis externa following mastoidectomy. Extensive skull base osteomyelitis caused thrombosis of the jugular bulb and subsequent paralysis of cranial nerves VII, IX, X and XII. He was treated aggressively with intravenous antibiotics and debridement of granulation tissue in the mastoid bowl with full recovery of the cranial nerve palsies associated with recanalization of the jugular bulb. We believe this is the first reported case of malignant otitis externa to occur following mastoidectomy with complete recovery of the cranial nerve paresis.
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ranking = 6
keywords = otitis
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6/77. abscess formation in the temporomandibular joint as a complication of otitis media.

    A case of an eight-month-old girl with an abscess in the temporomandibular joint as a complication of acute otitis media is described. The complications of acute otitis media in general and the probable explanation for the development of this complication are discussed.
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ranking = 6
keywords = otitis
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7/77. Malignant otitis externa in an infant with selective iga deficiency: a case report.

    The occurrence of malignant otitis externa (MOE) in infancy is rare. We report a case of MOE in a neonate who was later identified to have selective iga deficiency. She was successfully treated with oral ciprofloxacin, but developed external auditory canal stenosis, a deformed pinna, persistent facial nerve palsy, temporal bone erosion and hearing loss. No cases of MOE in selective iga deficiency have been reported in literature. This is also the first report on the use of ciprofloxacin in infants with MOE.
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ranking = 5
keywords = otitis
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8/77. Malignant otitis externa--a high index of suspicion is still needed for diagnosis.

    Malignant otitis externa is a destructive inflammatory process of the petrous temporal bone which if untreated leads to osteomyelitis of the skull base and can be fatal. It is more common in immunocompromised and elderly insulin-dependant diabetic patients and is caused by infection with Pseudomonas species. Despite a range of laboratory and radiological tests it still remains difficult to diagnose, particularly in the early stages when it can be treated medically. We describe three cases which presented to this department in the past twelve months. In all cases the diagnosis was made clinically and confirmed per-operatively. Interestingly all three cases were relatively young patients who did not have an immunocompromised status and were not diabetic.
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keywords = otitis
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9/77. Malignant external otitis with multiple cranial nerve involvement.

    A case of bilateral malignment external otitis with multiple cranial nerve deficits is presented. Thirty-five similar cases reported in the world literature are reviewed. All cranial nerves have been involved with the exception of the first and fourth. The resultant pseudomonas ostemyelitis may be spread extensively in these elderly diabetic patients to involve the entire base of the skull as well as other structures. The preferred treatment is long term systemic antibiotics followed by surgical intervention for plateau or further progression of disease. The overall mortality is 61 percent (22/36), a lower figure than previously reported.
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ranking = 5
keywords = otitis
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10/77. Masked pseudomonal skull base osteomyelitis presenting with a bilateral Xth cranial nerve palsy.

    skull base osteomyelitis classically presents as a complication of severe external otitis, middle ear, mastoid or sinus infection and can lead to multiple lower cranial nerve palsies when the jugular foramen is involved as a consequence of widespread involvement of the skull base. Bilateral skull base osteomyelitis is a recognized phenomenon, but has not previously been reported secondary to pseudomonal infection in the absence of a clinically obvious focus of infection. We report the case of a 77-year-old diabetic patient who presented with dysphonia and dysphagia and had a bilateral Xth cranial nerve palsy. No focus of infection was evident on presentation. Subsequent radiological investigation confirmed the diagnosis of bilateral skull base osteomyelitis.
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ranking = 1
keywords = otitis
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