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עמוד בית
Sun, 13.10.24

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January 2021
Eytan Cohen MD, Ili Margalit MD, Tzippy Shochat MSC, Elad Goldberg MD, and Ilan Krause MD

Background: Low folate levels are associated with megaloblastic anemia, neural tube defects, and an increased risk of cancer. Data are scarce regarding the sex aspect of this deficiency.

Objectives: To assess sex differences in folate levels in a large cohort of patients and to investigate the effect of low folate levels on homocysteine concentrations.

Methods: Data were collected from medical records of patients examined at a screening center in Israel between 2000 and 2014. Cross sectional analysis was conducted on 9214 males and 4336 females.

Results: The average age was 48.4 ± 9.5 years for males and 47.6 ± 9.4 years for females. Average folate levels were 19.2 ± 8.6 and 22.4 ±10.3 nmol/L in males and females, respectively (P < 0.001). The prevalence of folate levels below 12.2 nmol/L was 19.5% in males compared to 11.6% in females (P < 0.001). In patients with low folate levels and normal B12 levels, homocysteine levels above 15 μmol/L were found in 32.4% of males and 11.4% of females (P < 0.001). Males had a significantly higher odds ratio (OR) of having folate levels below 12.2 nmol/L: OR 1.84 (95% confidence interval [95%CI] 1.66–2.05) in a non-adjusted model, and OR 2.02 (95%CI 1.82–2.27) adjusted for age, smoking status, body mass index, kidney function, albumin, and triglycerides levels.

Conclusions: Folate levels are lower in males compared to females, which may contribute to the higher homocysteine levels found in males and thus to their increased risk of developing atherosclerosis and coronary artery disease.

October 2015
Idit Yedidya MD, Elad Goldberg MD, Ram Sharoni MD, Alex Sagie MD and Mordehay Vaturi MD
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.
 

June 2011
J. Bishara, E. Goldberg, L. Madar-Shapiro, J. Behor and Z. Samra

Background: The rate of infection with Clostridium difficile colitis and its associated mortality have been increasing in the last decade. The molecular epidemiology of C. difficile in Israel has as yet not been studied.

Objectives: To screen for the existence of the 027 and 078 ribotypes and determine the longitudinal molecular epidemiology of the circulating clinical C. difficile isolates in a large hospital in central Israel.

Methods: Polymerase chain reaction (PCR) ribotyping was performed on C. difficile isolates obtained from hospitalized patients from November 2003 to May 2004 (first study period) and September 2009 (second study period). Isolates with PCR[1] ribotype patterns, unlike those of the available reference strains (078 and 027), were labeled with letters. Forty-six isolates from the first study period and 20 from the second were analyzed.

Results: PCR strain typing of C. difficile isolates yielded approximately 26 unique ribotypes. During the first study period, ribotype A and B accounted for 30% and 28%, respectively, whereas ribotype E and K accounted for 6.5% for each. During the second study period, ribotypes A, E and K disappeared, and the incidence of ribotype B decreased from 28% to 15%. One isolate (1/20, 5%) emerged during the second period and was identified as ribotype 027. Moxifloxacin resistance was found in 93% of ribotype A isolates, 81% of the ribotype B group, and in 44% of other ribotypes.

Conclusions: The predominant ribotypes circulating in our institution were diverse and changing. This is the first report on the emergence of the 027 ribotype in Israel.






[1] PCR = polymerase chain reaction


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