Yoshinori Taji

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OBJECTIVES To compare the results of randomized controlled trials versus observational studies in meta-analyses of digestive surgical topics. SUMMARY BACKGROUND DATA While randomized controlled trials have been recognized as providing the highest standard of evidence, claims have been made that observational studies may overestimate treatment benefits.(More)
BACKGROUND A dialysate calcium concentration of 2.5 meq/l (1.25 mmol/l) is currently recommended, but there are not enough studies to examine the effects of this calcium concentration on clinical outcomes. We explored the effects of this calcium concentration on health-related quality of life (HRQOL) in hemodialysis patients. METHODS The dialysate calcium(More)
BACKGROUND To compare single- with two- layer intestinal anastomosis after intestinal resection: a meta-analysis of randomized controlled trials. METHODS Randomized controlled trials comparing single- with two-layer intestinal anastomosis were identified using a systematic search of Medline, Embase and the Cochrane Library Databases covering articles(More)
BACKGROUND Antiplatelet agents have been widely used in the management of immunoglobulin A (IgA) nephropathy in the Japanese population. To systematically evaluate the effects of antiplatelet agents for IgA nephropathy, we conducted a meta-analysis of the published studies. METHODS Data sources consisted of MEDLINE, EMBASE, the Cochrane Library, Ityu-shi(More)
BACKGROUND Intravenous ascorbic acid (IVAA) administration is reported to enhance erythropoiesis in hemodialysis (HD) patients with functional iron deficiency. We explored the effects of IVAA on erythropoiesis and health-related quality of life (HRQOL) in unselected HD patients. METHODS Sixty-one HD patients were divided into two groups; 30 patients(More)
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