Med Klin
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Renovascular hypertension as a secondary form of hypertension can be improved or cured in many cases by interventional radiology or vascular surgery. ⋯ Renovascular hypertension, if diagnosed early, can be improved or cured in many cases regarding hypertension and/or renal insufficiency.
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In these days, more than one clinical trial is mostly performed to evaluate a new treatment or therapeutic intervention. This necessitates a combined evaluation of their results. An integration of evidence from several trials is also helpful to determine the actual knowledge. ⋯ During the last years, the tool meta-analysis has been criticized. The criticism mainly results from poorly conducted meta-analyses which generated results without prespecifying hypotheses or which merely combined study results. Well-planned meta-analyses, on the contrary, have an increasing influence in clinical research.