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Biomedical subjects

B K Mondal

Publications and source records attributed to B K Mondal.

8 recordsLinked to original sources

Enalapril in the long-term treatment of elderly hypertensives.

The long-term antihypertensive effects of enalapril were assessed for a period of up to 1 year in 44 elderly patients with mild-to-moderate essential hypertension. Following a 2-week placebo period, patients who were assigned to enalapril were followed for 6 weeks in a randomized clinical trial. In patients who benefited from enalapril, treatment was continued and subjects were followed for up to 1 year. Supine and standing systolic and diastolic blood pressures were significantly reduced throughout the 1-year period compared with baseline. The dosage of enalapril was increased from 10 to 20 mg daily in 12 patients; 8 required additional antihypertensive agents. Enalapril is effective in the long-term treatment of hypertension; no loss of antihypertensive agents. Enalapril is effective in the long-term treatment of hypertension; no loss of antihypertensive effect occurs.

Aged

Pharmacokinetic study of controlled-release choline theophyllinate in elderly patients.

Controlled-released choline theophyllinate tablets (Sabidal SR 270, Zyma) were administered to 17 elderly patients aged between 68 and 86 years (mean 76 +/- 7 years) until steady state was obtained. The dosage form was one tablet every 12 hours for four days. Plasma theophylline concentrations were measured by high-performance liquid chromatography after the first dose and during the fourth day for a 12-hour period. The tablets showed evidence of controlled-release properties: the maximum plasma concentration (10.8 +/- 2.5 mg/l) was obtained after 3.4 +/- 1.6 hours. The mean trough level was 6.6 +/- 1.5 mg/l and the difference between the peak and trough levels was 4.1 +/- 1.2 mg/l. The mean steady-state plasma theophylline concentration was 8.5 +/- 2.2 mg/l. The mean elimination half-life was 14 +/- 7 hours. The mean volume of distribution was 0.8 +/- 0.4 l/kg. The mean total body clearance was 0.05 +/- 1/h/kg. All values, the half-life excepted, were found to be within the ranges for the patients reported in the literature. The values show the usual interindividual variation.

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Primary hyperparathyroidism.

The incidence of primary hyperparathyroidism amongst the elderly has increased during the last decade. Recent studies show that the incidence has risen to 277 per million population after the introduction of automated techniques for measuring the serum calcium. The diagnosis of primary hyperparathyroidism in patients over 60 has increased fivefold in men and more than sixfold in women. Coincidentally there has been a diversity of clinical presentation and an increasing interest in the manifestation. We report three patients who presented with entirely different clinical pictures but who were proved to have primary hyperparathyroidism.

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Parkinson's disease in the elderly: a long-term efficacy study of levodopa/benserazide combination therapy.

An open study was carried out in 60 elderly patients with Parkinson's disease to assess the efficacy and tolerance of long-term treatment with levodopa/benserazide combination therapy. Patients were treated for periods up to 2 years, doses being titrated to the lowest required to bring about adequate relief of symptoms. The mean daily dose ranged from 165 mg on entry to 199 mg in the 43 patients assessed at 24 months. The results showed that treatment provided lasting therapeutic benefits for approximately three-quarters of the study population with a low incidence of side-effects.

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