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November 2012
E. Cohen, I. Krause, A. Fraser, E. Goldberg and M. Garty

Background: There is a striking increase in the number of people with metabolic syndrome (MetS) as a result of the global epidemic of obesity and diabetes. Increasing evidence suggests that uric acid may play a role in MetS.

Objectives: To assess the prevalence of MetS in a large cohort from Israel and its association with hyperuricemia using the latest three definitions of MetS.

Methods: We conducted a retrospective analysis of the database from a screening center in Israel, using the revised National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III), the International Diabetes Federation (IDF) and the Harmonizing definitions of MetS, to assess 12,036 subjects with an age range of 20–80 years.

Results: The mean age of the study sample was 46.1 ± 10.2 years and 69.8% were male. The prevalence of MetS was 10.6%, 18.2% and 20.2% in the revised NCEP ATP III, the IDF and the Harmonizing definitions respectively. The prevalence of hyperuricemia in subjects with MetS, for all three MetS definitions, was similar: 20.0%, 19.9% and 19.1% respectively. There was a graded increase in the prevalence of MetS among subjects with increasing levels of uric acid. The increasing trend persisted after stratifying for age and gender and after multivariate analysis (P for trend < 0.001).

Conclusions: This large cohort shows a high prevalence of MetS in Israel, but is still lower than the prevalence in western countries. Hyperuricemia is common in those subjects and might be considered a potential clinical parameter in the definition of MetS.
 

March 2011
I. Krause, N. Herman, R. Cleper, A. Fraser and M. Davidovits

Background: Acute renal failure (ARF) is a common complication in critically ill children. It is known as an important predictor of morbidity and mortality in this population. Data on the factors affecting the choice of renal replacement therapy (RRT) modality and its impact on mortality of children with ARF[1] are limited.

Objectives: We retrospectively studied 115 children with ARF necessitating RRT[2] during the period 1995–2005 to evaluate the effect of several prognostic factors as well as RRT type on their immediate outcome.

Methods: The data collected from charts included demographics, primary disease, accompanying medical conditions, use of vasopressor support, indications for dialysis, RRT modality, and complications of dialysis. Categorical variables were analyzed using chi-square or Fisher’s exact tests. Variables associated with mortality (P < 0.1) at the univariable level were studied by a multivariable logistic regression model.

Results: The most common cause of ARF was congenital heart disease (n=75). RRT modalities included peritoneal dialysis (PD) (n=81), hemodialfiltration (HDF) (n=31) and intermittent hemodialysis (IHD) (n=18). Median RRT duration was 4 days (range 1–63 days). Overall mortality was 52.2%. IHD[3] was associated with the best survival rate (P < 0.01 vs. PD[4] and HDF[5]), while children treated with HDF had the worse outcome. Hemodynamic instability and systemic infections were associated with greater mortality, but the rate of these complications did not differ between the study groups.

Conclusions: Our results suggest that IHD[6] when applied to the right patient in an appropriate setting may be a safe and efficient RRT modality in children with ARF. Randomized prospective trials are needed to further evaluate the impact of different RRT modalities on outcome in children with ARF.






[1]               ARF = acute renal failure



[2]               RRT = renal replacement therapy



[3]               IHD = intermittent hemodialysis



[4]               PD = peritoneal dialysis



[5]               HDF = hemodialfiltration



[6]               IHD = renal replacement therapy



 
June 2007
A. Gafter-Gvili, M. Paul, A. Fraser, L. Leibovici.
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