Biomedical subjects
Publications and source records attributed to J Asbury.
Assessment of clinical practice is at least as important as assessment of theory. To date the assessment of clinical competence at differing levels has been neglected. When assessing clinical practice it is vital to utilise multiple sources of evidence. A tripartite relationship of practitioner or student, supervising practitioner, and lecturer is a versatile arrangement for evaluating evidence of achievement.
One hundred and sixty four of the 240 general dental practitioners on the Greater Glasgow Health Board family practitioner list returned a postal questionnaire on the current use of General Anaesthesia and sedation in their practices. Thirty three per cent offered GA sessions but nearly a half were in the process of withdrawing the service. The majority of the respondents (74.4 per cent) felt that a simple sedation method would attract patients. An inhalation technique was considered the most appropriate for general dental practice by 62 per cent of the dentists.
High plasma concentrations of neuropeptide Y (NPY) were found in a patient with bilateral adrenal phaeochromocytomas and medullary thyroid carcinoma associated with MEN IIa (32 pmol/l, normal less than 3.5 pmol/l). Both adrenal tumours contained and secreted NPY. Manipulation at operation produced a remarkable increase in plasma NPY concentrations (peak = 1631 pmol/l) coinciding with increases in plasma levels of catecholamines and arterial pressure. NPY was also shown to be present in thyroid tumour tissue: the concentration of NPY in tumour was 50-fold higher (0.9 nmol/g vs 0.004 nmol/g) than in adjacent normal thyroid tissue. It is possible that NPY from some phaeochromocytomas may contribute to hypertension during surgery.
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