Hypertension and nephrology

[Hypertensive and cardiovascular risks of nonsteroidal antiinflammatory drugs]

FARSANG Csaba1, BEDROS J. Róbert1, ALFÖLDI Sándor1

SEPTEMBER 21, 2012

Hypertension and nephrology - 2012;16(03-04)

[Nonsteroidal antiinflammatory drugs (NSAIDs) are among the most frequently used medicines. During the last ten years several original publications, reviews and meta-analyses were published on the cardiovascular safety of NSAIDs and the results underlined their potentially harmful cardiovascular side effects. It can also be emphasized that there are substantial differences between different compounds, and the CV risk does not depend on the ratio of COX-1/COX-2 selectivity. Cardiovascular risk can be increased by all NSAIDs and paracetamol with the possible exception of naproxen and probably aceclofenac.]


  1. Szt. Imre Oktatókórház, Budapest



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[Estimation of serum uric acid in the Hungarian population]

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[The clinical significance of serum uric acid markedly increased in the last years, especially in the civilized countries, but the abnormal serum uric acid level shows a significantly strong increasing tendency worldwide. The high level of uric acid is an integral part of metabolic syndrome. Today we recognized the important role of xanthine oxidase in the clinical practice for developing of oxidative stress in some tissues and organs. In 2011 during the Hungarian Health Care Screening Program we analyzed the prevalence of metabolic factors in 18 886 subjects. In the present publication we have dealt with uric acid and calculated the occurrence of abnormal values in percentage of the observed population. We found abnormal values in 12.3% of women (over 350 µmol/l) and 16.5% of men (over 400 µmol/l). The average values were higher in hypertensive subjects against normotensive ones in both gender. There was a close correlation among the metabolic components and the elevated uric acid level. The screening had given a possibility for detecting hidden gout and some other diseases, where the elevated uric acid level is specific of the clinical entity.]

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[Prevalence of bone abnormalities and soft tissue calcification and their determining factors in dialyzed patients]

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[Disturbances of bone and mineral metabolism are frequent complications of chronic kidney disease. In the last decades, increasing evidence of both pathophysiological and epidemiological nature support the relationship between bone disease and soft tissue calcification. In this current research, we analysed characteristics, determining factors and relationship of these two complications in a nationwide, cross-sectional cohort of dialysed patients. We collected demographical data (age, gender, body weight, height, diabetes, type of dialysis), laboratory results (serum parathormone, calcium, phosphat, albumin levels) and the presence of diabetes mellitus, bone abnormalities and soft-tissue calcification in patients on maintenance dialysis in 2010. The prevalence of bone abnormalities and soft tissue calcification followed similar pattern: both prevalences were high when parathormone <150 pg/ml (42.9% and 51.5%, respectively) or >500 pg/ml (44.2% and 55.5%) and they were significantly lower when parathormone was between 150-500 pg/ml (30.7% and 47.4%). In a multivariate logistic regression model, independent predictors of bone abnormalities were low (<150 pg/ml) and high (>500 pg/ml) parathormone levels (p<0.001), orhemodialysis (vs peritoneal dialysis) (p<0.001), age (p<0.001) and diabetes (p<0.001). In a similar statistical model, predictors of soft tissue calcification were also low (<65 pg/ml) (p<0.01) and high (>500 pg/ml) parathormone levels (p<0.001), hemodialysis (p<0.001), age (p<0.001), diabetes (p<0.001) and serum calcium level greater than 2.4 mmol/l (p<0.05). In summary, there was a U-shaped relationship between increasing serum parathormone levels and prevalence of bone abnormalities and soft tissue calcification in ESRD patients on maintenance dialysis. Further research and long term follow up are needed in order to reveal more detailed relationship among the two diseases and their determining factors.]

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Hypertension and nephrology

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DOROBANTU Maria, TAUTU Oana-Florentina, BUZAS Roxana, LIGHEZAN Daniel

[Objectives: To evaluate a possible link between serum uric acid (SUA) levels, arterial stiffness and atherogenic index of plasma on one hand and renal function on the other and to test the role of SUA in the assessment of total cardiovascular risk. Materials and methods: We studied serum uric acid levels (SUA) in 1975 subjects included in SEPHAR II survey. We measured arterial stiffness parameters, calculated atherogenic index of plasma and estimated glomerular filtration rate (eGFR) by MDRD and CKD-EPI formulae and assessed total cardiovascular risk according to current ESH-ESC risk stratification chart. Results: The highest SUA values were recorded in subjects with grade III HT and were correlated with increased arterial stiffness and with increased atherogenic index of plasma. The lowest eGRF values, assessed by both MDRD and CKD-EPI, were observed among subjects with hyperuricemia and a significant indirect correlation between SUA and eGFR was evidenced. A proportional correlation between SUA values and total CV risk was also obtained. Conclusions: The study supports SUA implication in the pathogenesis of elevated blood pressure and the role of uric acid as a cardiovascular risk factor, particularly for the development of hypertension and renal disease.]