Cochrane Db Syst Rev
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Cochrane Db Syst Rev · Oct 2004
Review Meta AnalysisLow glycaemic index diets for coronary heart disease.
The glycaemic index (GI) is a physiological measure of the ability of a carbohydrate to affect blood glucose. Interest is growing in the low GI carbohydrate concept for the clinical management of people at risk of, or with established coronary heart disease. There is a need to review the current evidence from controlled trials in this area. ⋯ The evidence from randomised controlled trials showing that low glycaemic index diets reduces coronary heart disease and CHD risk factors is weak. Many of the trials identified were short-term, of poor quality and conducted on small sample sizes. There is a need for well designed, adequately powered, randomised controlled studies, of greater than 12 weeks duration to assess the effects of low glycaemic index diets for CHD.
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Cochrane Db Syst Rev · Oct 2004
Review Meta AnalysisSelenium supplementation for critically ill adults.
Selenium is a trace mineral essential to human health, which has an important role in the immune response, defence against tissue damage and thyroid function. Improving selenium status could help protect against overwhelming tissue damage and infection in critically ill adults. ⋯ There is insufficient evidence to recommend supplementation of critically ill patients with selenium or ebselen. Trials are required which overcome the defects of the reviewed studies, particularly inadequate size and methodology. This review will be updated when four ongoing trials are completed.
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Cochrane Db Syst Rev · Oct 2004
Review Meta AnalysisTreatment for women with postpartum iron deficiency anaemia.
Postpartum anaemia is associated with breathlessness, tiredness, palpitations and maternal infections. Blood transfusions or iron supplementation have been used in the treatment of iron deficiency anaemia. Recently other anaemia treatments, in particular erythropoietin therapy, have also been used. ⋯ There is some limited evidence of favourable outcomes for treatment of postpartum anaemia with erythropoietin. However, most of the available literature focuses on laboratory haematological indices, rather than clinical outcomes. Further high-quality trials assessing the treatment of postpartum anaemia with iron supplementation and blood transfusions are required. Future trials may also examine the significance of the severity of anaemia in relation to treatment, and an iron-rich diet as an intervention.
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Low-back pain (LBP) is a common reason for consulting a general practitioner, and advice on daily activities is an important part of the primary care management of low-back pain. ⋯ For people with acute LBP, advice to rest in bed is less effective than advice to stay active. For patients with sciatica, there is little or no difference between advice to rest in bed and advice to stay active. There is little or no difference in the effect of bed rest compared to exercises or physiotherapy, or seven days of bed rest compared with two to three.
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Cochrane Db Syst Rev · Oct 2004
Review Meta AnalysisPharmacologic therapies for adults with acute lung injury and acute respiratory distress syndrome.
Multiple pharmacologic treatments have been studied for acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). ⋯ Effective pharmacotherapy for ALI and ARDS is extremely limited, with insufficient evidence to support any specific intervention.