Polarographical measurement of local cerebral blood flow in the conscious and anesthetized primate.
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Biomedical subjects
Publications and source records attributed to J Hamilton.
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The techniques of continuous quality improvement have been applied to the problem of wrongly addressed clinical laboratory test reports. Over a 6-month period, flow charts of the process of producing test reports were created, the error rates of incorrectly addressed test reports were established, and the root causes of these errors were identified and progressively removed. A 17-fold sustained reduction in the rate of incorrectly addressed test reports was achieved with faster turnaround time, no significant expenditure of funds, and no changes in staff, equipment, or the laboratory information system.
Although caution is expressed by some in relying solely on caries detector dye for diagnosis until more research is done, many aspects of microdentistry are bringing exciting potential to operative dentistry. Perhaps pediatric dentists will find microdentistry the most promising because of its application for long-lasting sealants and less traumatic restorations. To dentistry's benefit, fewer injections and less frequent drilling are predicted to create a whole new generation of nonphobic adults.
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Historically, patients suffering from fibrous dysplasia of the metatarsals faced amputation or resection as the treatments of choice. Although the lesion itself is not malignant, pain, swelling, and disability dictated the treatment. With recent refinements in microvascular surgery, vascularized bone grafting has offered a viable alternative for this and similar conditions that offers the potential for a functional, pain-free foot.
This study assessed the prevalence of medically unexplained symptoms in cardiology, gastroenterology and neurology outpatient clinics at a large teaching hospital and investigated the current clinical management of these patients. Data were collected retrospectively from the casenotes of all new referrals to these clinics over a two month period. The total number of new patients seen was 343, of whom 120 (35%) had a final diagnosis of 'functional' disorder, 204 (59.5%) a final diagnosis of organic disorder and 19 (5.5%) remained undiagnosed. The number of investigations was similar in patients whether the eventual diagnosis was 'functional' or organic (median 2, range 0-9 in each case). However, the cost of investigation was significantly higher for the organic group (median 89 pounds compared with 41 pounds, p > or = 0.01). Anxiety and depression were documented in 33% of patients with unexplained symptoms. In 73 (61%) of patients with an eventual 'functional' diagnosis, the information that organic disease had been excluded was communicated to the GP, but there was no advice about further management. Four percent were referred to psychiatrists and 2% started on antidepressants. The paucity of recommended management strategies for patients with a 'functional' diagnosis suggests that physicians see their role with this group of patients as primarily one of exclusion of organic disease. It is suggested that more positive management strategies, including treatment of anxiety and depression, might lead to greater patient satisfaction and play a role in reducing the development of chronic somatisation.
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