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At least 937 records · Page 52Linked to original sources
PubMed1999

[Factors influencing the prescription of insulin and oral antidiabetics in primary care].

OBJECTIVES: To analyse the prescription of insulin and oral diabetic medication (ODM) in primary health care, and to evaluate which variables, depending on the prescribing doctor, work-place or population attended, explain quality and/or quantity variations in prescription. DESIGN: Crossover, observational study. SETTING: Málaga-Este Health District, Málaga. PARTICIPANTS: 21,166 prescriptions issued by 144 doctors in the Málaga-Este Health District during the first quarter of 1997 were analysed. MEASUREMENTS AND MAIN RESULTS: Insulin consumption of 10.63 defined daily doses per 1,000 inhabitants and day (DID) and ODM of 18.51 DID were calculated. No significant differences were observed in insulin or ODM prescription for sex, and few for age, job or doctors' specialty via MIR (intern) training. Working in a centre with MIR teaching and in a reformed centre were significantly associated with a greater use of insulin (p < 0.0001 and p < 0.02, respectively). Having a higher allocation of patients drawing pensions meant a greater consumption of insulin (p < 0.01) and even more of ODM (p < 0.0001). The population allocated being older was associated with greater consumption of ODM without any changes in insulin prescription. CONCLUSIONS: The personal features of doctors working in primary care affect very little the quantity and quality of insulin and ODM prescription. The characteristics of the work-place (reformed centre and centre entitled to teach) and the population attended (older and drawing a pension) are the main factors conditioning the amount of prescription of insulin and ODM, respectively. Nevertheless, in all cases ODM prescription quality is low.

Administration, Oral↗
PubMed1999

Possible mechanism of action of vanadium ions as an antidiabetic agent.

Vanadium compounds, at much higher concentrations than they are typically ingested, are being considered for use in the treatment of diabetes mellitus. They exert an insulin-mimetic effect in an insulin-receptor-independent manner. In our study we obtained new data about the vanadium insulin-receptor-independent mechanism of action on cell membranes. When rat stomach smooth muscle samples are treated with NH4VO3 (10(-7) divided by 10(-5) this action is possibly exhibited with increased influx of Ca2+ through VDCa2+C.

Animals↗
PubMed1999

New directions in type 2 diabetes mellitus: an update of current oral antidiabetic therapy.

This article reviewed the relevant literature including published clinical trials and reviews on currently available oral hypoglycemic agents. Results showed that the benefits of glycemic control have been established through multiple clinical trials. Long-term control of blood glucose levels in type 1 and type 2 diabetic patients will decrease the incidence and prolong the time until progression of diabetic retinopathy, nephropathy, and neuropathy. Our increased understanding of the pathophysiology behind type 2 diabetes has led to the development of many new agents that are aimed at treating the underlying insulin resistance and relative insulinopenia. The sulfonylureas as a group have been used for many years and act by stimulating insulin secretion. They are useful alone or as combination therapy with insulin or another oral hypoglycemic agent. The biguanides act by decreasing hepatic glucose production and by increasing peripheral insulin sensitivity. The alpha-glucosidase inhibitors act nonsystemically by blocking the metabolism of digested polysaccharides and therefore lowering the amount of carbohydrate absorbed in a meal. Benzoic acid derivatives act in a manner similar to that of sulfonylureas by enhancing pancreatic insulin production. They offer a shorter duration of action, lowering the risk of hypoglycemia. The thiazolidinediones increase peripheral insulin sensitivity and are effective as both monotherapy and combination therapy. Oral hypoglycemic agents, when properly administered, are very effective in controlling type 2 diabetes and preventing long-term complications.

Carbamates↗
PubMedDate not supplied

Pharmacological studies of two antidiabetic plants: Globularia alypum and Zygophyllum gaetulum.

Investigations were carried out to evaluate the hypoglycaemic activity of the infusions of Globularia alypum and Zygophyllum gaetulum. Oral and intraperitoneal administration of the plants (0.7 g/kg) produced a significant hypoglycaemic effect in normal as well as in hyperglycaemic rats. The infusions increased significantly plasma insulin levels in normal rats. It is suggested that the hypoglycaemic activity of these plants may be mediated through enhancement of peripheral metabolism of glucose and an increase in insulin release.

Administration, Oral↗
PubMedDate not supplied

[Vanadium derivatives--a new source of antidiabetic drugs].

Vanadium, a transitional element belonging to Vb group is wide-spread both in vegetal and animal world. Although known by more a hundred years ago only in 1985 its hypoglycaemic properties were established. Recent research shown that the hypoglycaemic properties and the toxicity are influenced both by vanadium valence state and organic moiety that is binding it.

Animals↗