Cochrane Db Syst Rev
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Cochrane Db Syst Rev · May 2010
Review Meta AnalysisVaccines for preventing rotavirus diarrhoea: vaccines in use.
Rotavirus results in higher diarrhoea-related death in children less than five years of age than any other single agent, particularly in low- and middle-income countries. The World Health Organization has recommended the use of rotavirus vaccines in childhood immunization schedules. ⋯ Rotarix and RotaTeq are effective vaccines for the prevention of rotavirus diarrhoea. The balance between benefit and harm favours benefit. Ongoing safety monitoring should be continued. Trials comparing LLR with placebo should be conducted and the results made available.
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Cochrane Db Syst Rev · May 2010
Review Meta AnalysisGraft type for femoro-popliteal bypass surgery.
Femoro-popliteal bypass is implemented to save limbs that might otherwise require amputation, in patients with ischaemic rest pain or tissue loss; and to improve walking distance in patients with severe life-limiting claudication. Contemporary practice involves using autologous vein, polyterafluoroethylene (PTFE) or Dacron as a bypass conduit.This is an update of a Cochrane review first published in 1999 and previously updated in 2002. ⋯ There was a clear primary patency benefit for autologous vein when compared to synthetic materials for above knee bypasses. In the long term (five years) Dacron confers a small primary patency benefit over PTFE for above knee bypass. PTFE with a vein cuff improved primary patency when compared to PTFE alone for below knee bypasses. Further randomised data is needed to ascertain whether this information translates into improvement in limb survival.
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Methotrexate has been used to treat patients with primary biliary cirrhosis as it possesses immunosuppressive properties. The previously prepared version of this review from 2005 showed that methotrexate seemed to significantly increase mortality in patients with primary biliary cirrhosis. Since that last review version, follow-up data of the included trials have been published. ⋯ Methotrexate had no statistically significant effect on mortality in patients with primary biliary cirrhosis nor the need for liver transplantation. Although methotrexate may benefit other outcomes (pruritus score, serum alkaline phosphatase, immunoglobulin M levels), there is no sufficient evidence to support methotrexate for patients with primary biliary cirrhosis.
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Cochrane Db Syst Rev · May 2010
Review Meta AnalysisDrug-eluting stents versus bare metal stents for angina or acute coronary syndromes.
Coronary artery stents are tiny tubular devices used to 'scaffold' vessels open during percutaneous transluminal coronary angioplasty (PTCA). Restenosis (re-narrowing) of vessels treated with stents is a problem; in order to reduce restenosis, stents that elute drugs over time are now available. However these drug-eluting stents are more expensive and there is a need to assess their clinical benefits prior to recommending their use. ⋯ Drug-eluting stents releasing sirolimus, paclitaxel, dexamethasone and zotarolimus reduce composite cardiac events. However, this reduction is due largely to reductions in repeat revascularisation rates as there is no evidence of a significant effect on rates of death, MI or thrombosis. The increased cost of drug-eluting stents and lack of evidence of their cost-effectiveness means that various health funding agencies are having to limit or regulate their use in relation to price premium.
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Cochrane Db Syst Rev · May 2010
Review Meta AnalysisTreatment of periodontal disease for glycaemic control in people with diabetes.
Glycaemic control is a key issue in the care of people with diabetes mellitus (DM). Some studies have suggested a bidirectional relationship between glycaemic control and periodontal disease. ⋯ There is some evidence of improvement in metabolic control in people with diabetes, after treating periodontal disease. There are few studies available and individually these lacked the power to detect a significant effect. Most of the participants in the study had poorly controlled Type 2 DM with little data from randomised trials on the effects on people with Type 1 DM.Improving periodontal health is an important objective in itself. However, in order to understand the potential of this treatment to improve glycaemic control among people with diabetes, larger, carefully conducted and reported studies are needed.