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BACKGROUND: The diagnosis and treatment of depression constitutes a significant component of a general practitioner's workload. A pilot study has suggested that the practice nurse may have an important contribution to make in the care of patients with depression. AIM: To evaluate an extended role for practice nurses in improving the outcome of depression through two specially-designed interviews running in parallel. METHOD: Two naturalistic, random allocation studies took place concurrently over four months. Study 1 evaluated the effectiveness of standardized psychiatric assessment by a practice nurse and feedback of information to the general practitioner (GP). Study 2 evaluated the above assessment and feedback combined with nurse-assisted follow-up care. Twenty general practices participating in the Medical Research Council General Practice Research Framework took part in the study. Subjects included general practice attenders identified as depressed by their GP. The main outcome measures were a change in Beck Depression Inventory (BDI) scores and in the proportion of patients fulfilling DSM-III criteria for major depression. RESULTS: A total of 577 patients were recruited; 516 [89% (95% CI = 86-92%)] were rated as depressed on the BDI and 474 [82% (95% CI = 79-85%)] met criteria for DSM-III major depression. Altogether, 524 (91%) patients completed follow-up at four months. All groups of patients showed improvement, but no difference in the rate of improvement was shown for the nurse intervention groups. BDI mean scores fell from 18.54 (95% CI = 17.53-20.06) to 11.53 (95% CI = 10.02-13.04) in Study 1, and from 21.01 (95% = CI 20.26-21.86) to 10.62 (95% CI = 9.73-11.51) in Study 2. The proportion of patients fulfilling criteria for DSM-III major depression in Study 1 fell from 80% (95% CI = 73-87%) to 30% (95% CI = 22-38%), and in Study 2 from 80% (95% CI = 76-84%) to 27% (95% CI = 23-31%). Prescription rates of antidepressant medication were higher than expected, ranging between 63% and 76% in the two studies. CONCLUSION: There was an increase in the rate of antidepressant prescription, but no additional benefit could be adduced for patients who received a nurse intervention.

OBJECTIVE--To establish whether initiation of treatment with diuretic or beta blocker is associated over 54 months with change in cognitive function. DESIGN--A cognitive substudy, nested within a randomised, placebo controlled, single blind trial. SETTING--226 general practices from the Medical Research Council's general practice research framework. SUBJECTS--A subset of 2584 subjects sequentially recruited from among the 4396 participants aged 65-74 in the trial of treatment of hypertension in older adults. The 4396 subjects were randomised to receive diuretic, beta blocker, or placebo. Subjects had mean systolic pressures of 160-209 mm Hg and mean diastolic pressures