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Damir Zubac Tomislav Antelj Dragana Olujic Vladimir Ivancev Shawnda A. Morrison 《Journal of sports sciences》2017,35(8):719-726
This study investigated (i) the prevalence of hypohydration and (ii) association between urinary indices of hydration status and confounding factors (e.g., urine protein content, water intake) in elite youth boxers during their weight-stable phase before competition. Sixteen national champion boxers (all male, 17 ± 1 y) were measured on 3 occasions (baseline, day 3, day 10), 30-day prior to competition. Body mass, total body water, urine specific gravity (USG), osmolality (UOSM) and total protein content (TPC) were evaluated to determine hydration status and fluid balance. Overall macronutrient and water intake were assessed using dietary records. Both UOSM and USG increased from day 3 to day 10 by 16% and 0.4% (P < 0.001), despite athletes being in their weight-stability period, and regardless of ad libitum fluid intake. Hypohydration was universally prevalent among all athletes on both test days with USG: 1.027 ± 0.003 g · mL?1 and UOSM: 1035 ± 108 mOsmol · kg?1. An inverse association between mean UOSM values and mean water intake was observed (R = ?0.52, P = 0.04), while TPC was not associated with any urinary dehydration markers (USG, P = 0.51; UOSM, P = 0.61). The present outcomes find that the most prevalent urinary dehydration markers used to classify hydration status in competition exhibit large variability, even during weight-stable periods. 相似文献
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Svjetlana Karabuva Vedran Carevi? Mislav Radi? Damir Fabijani? 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2013,23(3):351-359
Aim:
The aim of study was to: 1) examine the relationship between ABO blood groups and extent of coronary atherosclerosis in patients with chronic coronary artery disease (CAD), 2) compare ABO blood groups distribution in CAD patients and general population, 3) examine possible differences in traditional risk factors frequency in CAD patients with different ABO blood groups.Materials and methods:
In the 646 chronic CAD patients (72.4% males) coronary angiograms were scored by quantitative assessment using multiple angiographic scoring system, Traditional risk factors were self reported or measured by standard methods. ABO blood distribution of patients was compared with group of 651 healthy blood donors (74.6% males).Results:
Among all ABO blood group patients there was no significant difference between the extent of coronary atherosclerosis with regard to all the three scoring systems: number of affected coronary arteries (P = 0.857), Gensini score (P = 0.818), and number of segments narrowed > 50% (P = 0.781). There was no significant difference in ABO blood group distribution between CAD patients and healthy blood donors. Among CAD patients, men with blood group AB were significantly younger than their pairs with non-AB blood groups (P = 0.008). Among CAD patients with AB blood group, males < 50 yrs were significantly overrepresented when compared with the non-AB groups (P = 0.003).Conclusions:
No association between ABO blood groups and the extent of coronary atherosclerosis in Croatian CAD patients is observed. Observation that AB blood group might possibly identify Croatian males at risk to develop the premature CAD has to be tested in larger cohort of patients. 相似文献3.
Lea Suc Boris Bukovec Damir Karpljuk 《International Journal of Inclusive Education》2017,21(9):938-955
This was the first qualitative study of the inclusion of children with special needs into regular schools in Slovenia that focused on inter-professional collaboration and its contributions to the inclusion process. Focus groups and individual interviews were conducted with primary school teachers (N?=?36) and occupational therapists (N?=?9) to explore their personal experiences. Data were analysed using qualitative content analysis (Strauss, A., and J. Corbin. 1998. Basics of Qualitative Research: Techniques and Procedures for Developing Grounded Theory. Thousand Oaks, CA: Sage). Two categories pertaining to inter-professional collaboration emerged from the analysis. They described different barriers and strategies that either inhibited or facilitated the cooperation process. The experiences of teachers and occupational therapists differed; however, both professional groups expressed frustration with organisational and systemic factors that often prevented better exchange of knowledge and information. Due to the organisation of work and financial issues, occupational therapists had limited access to the school environment; therefore, they generally showed more eagerness to increase the level of collaboration and their presence at the school. The study also pointed out how the roles of certain professionals are not recognised, suggesting the need for more promotional work. If inclusion in Slovenia is to be fully implemented, collaboration between different professionals working with children with special needs must strengthen. This will require some significant organisational, cultural and also personal transformations. 相似文献
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Damir Zubac Reid Reale Hrvoje Karnincic Anamaria Sivric Igor Jelaska 《European Journal of Sport Science》2018,18(7):920-929
Urine specific gravity (USG) is the most commonly reported biochemical marker used in research and applied settings to detect fluid deficits in athletes, including those participating in combat sports. Despite the popularity of its use, there has been a growing debate regarding the diagnostic accuracy and the applicability of USG in characterizing whole-body fluid status and fluctuations. Moreover, recent investigations report universally high prevalence of hypohydration (～90%) via USG assessment in combat sport athletes, often in spite of stable body-mass. Given the widespread use in both research and practice, and its use in a regulatory sense as a ‘hydration test’ in combat sports as a means to detect dehydration at the time of weigh-in; understanding the limitations and applicability of USG assessment is of paramount importance. Inconsistencies in findings of USG readings, possibly as a consequence of diverse methodological research approaches and/or overlooked confounding factors, preclude a conclusive position stand within current combat sports research and practice. Thus the primary aim of this paper is to critically review the literature regarding USG assessment of hydration status in combat sports research and practice. When taken on balance, the existing literature suggests: the use of laboratory derived benchmarks in applied settings, inconsistent sampling methodologies, the incomplete picture of how various confounding factors affect end-point readings, and the still poorly understood potential of renal adaptation to dehydration in combat athletes; make the utility of hydration assessment via USG measurement quite problematic, particularly when diet and training is not controlled. 相似文献
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