The Medical journal of Australia
-
An examination of occupational injuries in Australia during the 1960's is made. It is shown that the incidence of occupational injuries decreased by about 12% during the decade and that occupational injuries now approximate 200,000 per annum. Although there are approximately six injuries to men for every one to women,types and sites of occupational injury do not differ between the sexes. ⋯ The age distribution for serious injuries (incurring an absence from work of more than 28 days) differs markedly from the equivalent distributions for minor occupational and all road injuries in that the third, fourth, fifth, and sixth decades of life each contribute about 20% of this total. The customary heavy over-representation of young males is notably absent. "Passive" countermeasures (those that are behaviour-independent) are held to have been differentially more successful than those that are "active" (those that require active cooperation). Examples are given.
-
An analysis of patients presenting with headache shows that in very few cases is the headache related to refractive error. Similarly in presbyopia and hypermetropia headaches are infrequent. A significant proportion (up to 50%) of those patients presenting with a close relationship of headache to accommodation difficulty can be helped by glasses. It is postulated that ciliary muscle contraction per se is effortless and symptomless and that any headaches produced are due to associated contraction of the scalp muscles.
-
Clinical Trial Controlled Clinical Trial
A double-blind trial of perhexiline maleate in the prophylaxis of angina pectoris.
Perhexiline maleate, which has no beta adreno-receptor-blocking activity, has been suggested as an effective prophylactic agent for angina pectoris. The effects of perhexilline were compared with those of placebo by a double-blind crossover trial in seven patients with moderate to severe angina pectoris. Attack rates and glyceryl trinitrate consumption were significantly lower during the perhexilline phase than during the placebo phase of treatment. There was also a mild fall in resting heart rate. Three patients who had failed to respond to beta adrenoreceptor-blocking drugs, and one who had suffered reccurrence of symptoms after coronary artery surgery responded favourably to perhexiline. It thus appears that perhexiline maleate is an effective and potentially valuable agent in this condition.
-
This paper concerns the simultaneous occurrence of tumours, a meningioma and intracranial angioma, of diverse histological characteristics. Their clinical radiological and pathological implications are discussed.