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Biomedical subjects

E F Rosenlund

Publications and source records attributed to E F Rosenlund.

4 recordsLinked to original sources

The intraocular pressure lowering effect of timolol in gel-forming solution.

The effect on the intraocular pressure (IOP) of 0.5% timolol solution given twice daily was compared to 0.5% timolol in gel-forming solution given once daily. Patients (n = 223) having an IOP of above 22 mmHg were recruited from 16 eye specialist centres in Scandinavia and Finland. The patients were randomized to two treatment groups, timolol solution treatment and timolol in gel-forming solution treatment. Eyes with and without pseudoexfoliation were included. The patients were stratified regarding the presence or not of pseudoexfoliation, to ensure appropriate distribution of this condition. No difference in intraocular pressure reducing effect was registered for the two groups. The pressure reducing effect of the two modes of treatment was not affected by the presence or not of pseudoexfoliation. The study also included registration of local and systemic signs and symptoms possibly related to the study medications. Blurring of vision occurred more often in patients given 0.5% timolol in gel-forming solution compared to timolol solution. The heart rate decreased statistically significantly in patients given timolol solution, but not in patients given timolol in gel-forming solution. This study suggests that treatment with 0.5% timolol in gel-forming solution once a day may be equally as good as 0.5% timolol solution given twice a day in patients with glaucoma both with and without pseudoexfoliation.

Adrenergic beta-Antagonists↗

Transient proliferative diabetic retinopathy during intensified insulin treatment.

Two women aged 22 and 19 years who had had diabetes for 11 and four years, respectively, developed proliferative retinopathy after five to seven months of significantly improved metabolic control. They were participants in two separate prospective studies including 97 insulin-dependent patients. At inclusion, one patient showed minimal background retinopathy and the other showed no retinopathy. Their level of glycosylated hemoglobin was initially high (14.3% and 17.5%) but within five to six months had fallen by 5.7% and 7.5%. The improved metabolic control was obtained by home blood glucose monitoring and insulin pump in the older patient and by home blood glucose monitoring only in the other. By maintaining near normoglycemia, regression of the proliferative retinopathy was achieved. Photocoagulation was not performed. After five and two years of follow-up, respectively, only mild background retinopathy has been noted in both patients. We concluded that a significant lowering of blood glucose may provoke proliferative retinopathy and that sustained good metabolic control may reverse this retinopathy without photocoagulation.

Adult↗