Resurgence of work-hardening programs.
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Biomedical subjects
Publications and source records attributed to W G Hughson.
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Two groups of patients were followed up for four to eight years after first referral or admission to hospital for intermittent claudication (IC) in a study of the natural history of the disease and of factors determining its outcome. In one series of 60 patients, those who stopped or reduced smoking after referral had a much improved prognosis. Thus even after the diagnosis of IC it is extremely important that patients should be encouraged to stop smoking, since this correctable factor appears to be of greater importance in determining outcome than other medical risk factors for the disease that are less amenable to treatment. In the second study, 160 patients were followed up for eight years after first hospital admission. They had a total of 480 hospital admissions and had spent 11 190 days in hospital; their life expectancy after the age of 60 was about half that of the general population. Age, coronary artery disease, cerebrovascular disease, and diabetes were associated with an adverse outcome.
Risk factors for intermittent claudication (IC) were studied in 54 patients--that is, all patients with IC on the lists of two general practices--and 108 controls. Smoking was the factor most strongly associated with the development of IC, but systolic and diastolic blood pressures and concentrations of triglyceride, urate, and fibrinogen were all significantly higher among the patients with IC than the controls. The presence of more than one factor appeared to be associated with a multiplicative increase in risk. Cholesterol, an important risk factor for ischaemic heart disease, was not associated with an increased risk of IC. IC was present in about 2% of the men and 1% of the women, who were aged 45-69 years. These findings suggest that IC, a common and disabling manifestation of atheroslcerosis, may be largely preventable.
Fasting lipid concentrations have been measured in fifty treated juvenile diabetics, their siblings and parents to determine which types of hyperlipoproteinaemia co-exist with juvenile diabetes and whether the abnormalities relate to diabetic control, or represent familial disorders. Lipid concentrations amongst the parents did not differ from adult control. Triglyceride concentrations were significantly higher in those diabetic children with fasting blood glucose concentrations greater than 10 mmol/l than those with concentrations less than 10 mmol/l. The latter group had similar triglyceride levels to non-diabetic siblings. Cholesterol concentrations were not related to fasting blood glucose and were similar in diabetic and sibling controls. Hyperlipoproteinaemia (types IIa, IIb and IV) was present in ten of the diabetic patients. Six of the nine diabetic patients with raised cholesterol had at least one parent with cholesterol in the highest quintile for the control population, whereas only six of the forty-one with lower levels had parents in this category. A similar trend for cholesterol was apparent amongst the non-diabetic siblings. However, no association was apparent between the triglyceride levels of diabetics (or their siblings) and parents. Thus although hyperlipidaemia associated with juvenile diabetes appears to be largely due to inadequate control, raised cholesterol concentrations frequently occur.