The quality of the diagnostic image.
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Biomedical subjects
Publications and source records attributed to T Healey.
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A patient's gown for use in the X-ray Department has been designed. It is of such a style that one size suits all patients and adequate access to the patient is afforded while modesty is preserved. It is of a distinctive colour to ensure its retention solely for use in the X-ray Department.
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BACKGROUND: Febrile neutropenia is a life-threatening complication of cytotoxic chemotherapy. Empirical antibiotic treatment should be based on predominant pathogens and epidemiological characteristics of the treated community. The aim of the present study was to review cases of febrile neutropenia at the Royal Darwin Hospital (RDH) in order to assess the appropriateness of empirical antibiotic therapy. METHODS: A retrospective review of cases of febrile neutropenia secondary to malignancy or chemotherapy occurring at the RDH over the period 1994-99. In order to compare infections in this group with those in the wider hospital community, all positive blood cultures in the medical and intensive care units were reviewed for the same time period. RESULTS: Thirty-six episodes of febrile neutropenia were reviewed. Staphylococcus aureus (predominantly methicillin resistant), Pseudomonas aeruginosa and Escherichia coli were the most common organisms identified. Nine patients died of their infection, four with methicillin-resistant S. aureus bacteraemia. S. aureus, E. coli, Streptococcus pneumoniae and Burkholderia pseudomallei (melioid) were the most frequently isolated organisms from blood cultures taken in the medical and intensive care units. CONCLUSIONS: Gram-positive organisms are the predominant pathogens in febrile neutropenic episodes at the RDH. Standard empirical therapy with an extended-spectrum penicillin and an aminoglycoside remains appropriate, with the addition of vancomycin when clinical status fails to improve. When practising in the Top End, particular consideration should be given to skin integrity and scabies and testing for Strongyloides in Aboriginal patients.
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Investigation of the psychological impact of implant-retained overdentures has demonstrated some positive benefits over traditional prosthetic treatment (ie, conventional complete dentures). The aim of the present study was to determine whether treatment response could be understood by controlling the degree of alveolar ridge resorption present. In a cross-sectional single-wave study by means of a questionnaire, patients who had received implant-retained mandibular dentures were compared with patients who had conventional mandibular dentures. For purposes of comparison, all patients in both groups wore conventional maxillary dentures. From the 87 patients who were invited to complete a postal questionnaire, 76 replies were received (85% response rate). The implant (n = 41) and denture (n = 35) patients were assessed on self-rated symptoms, denture satisfaction, psychological distress, body satisfaction, and self-esteem using standardized scales. All patients had the extent of alveolar bone loss classified according to Cawood and Howell's (1991) system during a clinical examination. The results indicated that the response of patients to implants or dentures was influenced by the degree of bone loss. Patients with extensive resorption who received implants appeared, from a psychological perspective, to receive more benefit than their nonimplant counterparts. Hence, there is some evidence to support the inclusion of clinical measures of alveolar bone loss when considering the psychological impact accruing from implant-based treatments.