Andreas Avgerinos

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BACKGROUND Sclerotherapy is widely used for acute variceal bleeding, although in emergencies bleeding makes it difficult to obtain the clear view required for safe and effective treatment. We investigated whether early administration of somatostatin would improve the efficacy of sclerotherapy. METHODS In this double-blind, prospective trial, patients who(More)
The effect of physical activity (PA) on health is well documented. The assessment of PA is a valuable and important issue, however, there are several methodological issues among the available methods of measurement that may have implications for the prevention of specific diseases. The purpose of this study was to examine the differences between an(More)
The purpose of this study was to determine the effect of multimedia computer-assisted instruction (MCAI), traditional instruction (TI), and combined instruction (CI) methods on learning the long jump event. Forty-eight middle school students of seventh and eighth grade were randomly assigned into three teaching method groups: MCAI, TI and CI. Each group(More)
The aim of this study was to determine the validity and reliability of 3 physical activity questionnaires in Greek high school children. Forty children participated in the study aged M = 13.73 (SD 0.8 years). The validation study was conducted by comparing an accelerometer (MTI/CSA Model 7164) to 3 questionnaires: a) Three-day Physical Activity Record(More)
Hydrogen (H2) concentrations were measured in undiluted samples of intracolonic gas and in expired air in twenty patients undergoing colonoscopy after preparation with either mannitol or castor oil. Potentially explosive intracolonic H2 concentrations were present in six out of ten patients given mannitol, but in none given castor oil. This has important(More)
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