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עמוד בית
Sat, 21.12.24

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January 2007
E. Segal, C. Zinman, B. Raz and S. Ish-Shalom.

Background: Hip fracture rates are increasing worldwide, and the risk for a second hip fracture is high. The decision to administer antiresorptive treatment is based mainly on bone mineral density and/or a history of previous osteoporotic fractures.

Objectives: To evaluate the contribution of BMD[1], previous fractures, clinical and laboratory parameters to hip fracture risk assessment.

Methods: The study population included 113 consecutive hip fracture patients, aged 72.5 ± 9.4 years, discharged from the Department of Orthopedic Surgery113 consecutive patients, 87 women and 26 men, aged 50-90 years, mean ag. BMD was assessed at the lumbar spine, femoral neck and total hip. The results were expressed in standard deviation scores as T-scores – compared to young adults and Z-scores – compared to age-matched controls. Plasma or serum levels of parathyroid hormone, 25-hydroxyvitamin 3 and urinary deoxypyridinoline cross-links were evaluated.

Results: We observed T-scores ≤-2.5 in 43 patients (45.3%) at the lumbar spine, in 47 (52.2%) at the femoral neck and in 33 (38%) at the total hip. Twenty-eight patients (29.5%) had neither low BMD nor previous osteoporotic fractures. Using a T-score cutoff point of (-1.5) at any measurement site would put 25 (89%) of these patients into the high fracture risk group. Mean DPD level was 15.9 ± 5.8 ng/mg (normal 4–7.3 ng/mg creatinine). Vitamin D inadequacy was observed in 99% of patients.

Conclusions: Using current criteria, about one-third of elderly hip fracture patients might not have been diagnosed as being at risk. Lowering the BMD cutoff point for patients with additional risk factors may improve risk prediction yield.






[1] BMD = bone mineral density



 
October 2006
May 2006
T. Arazi-Kleinman, D. Shepshelovich and Y. Shoenfeld
November 2005
R. Raz, H. Edelstein, L. Grigoryan and F.M. Haaijer-Ruskamp
 Background: The current study is part of the larger study on Self-Medication with Antibiotics and Resistance Levels in Europe (SAR) project, coordinated by the University of Groningen in the Netherlands and run in 19 European countries and Israel.

Objectives: To estimate self-medication with antibiotics by a population in northern Israel.

Methods: We sent by post a questionnaire on antibiotic usage to 2,615 adults, both Jewish and Arab, living in northern Israel.

Results: The overall response rate was low (17.9%), particularly among the Arab population (9.4% of respondents). Among the 467 respondents, 169 (36.2%) reported 215 antibiotic courses within the last year. Amoxicillin was the antibiotic most commonly used (32.7% of courses); 89.4% of antibiotics were obtained via a physician’s prescription; 114 respondents (24.4%) stored leftover antibiotics at home and 81 (18.7%) would consider self-medication with antibiotics without a medical consultation.

Conclusions: Our results show that over-the counter acquisition of antibiotics is rare in Israel. However, the storage of leftover antibiotics in the home constitutes an alternative potential source of self-medication that can have untoward consequences, not only for the individual patient but also for the general population since inappropriate antibiotic usage contributes to the increasing rates of antimicrobial resistance.

April 2005
Y. Chen, R. Colodner, B. Chazan and R. Raz
Background: Arcanobacterium haemolyticum is a well-recognized but uncommon cause of pharyngitis and skin rash in adolescents and young adults. To date no data regarding its frequency in Israel have been published.

Objective: To establish the frequency of A. haemolyticum in throat cultures in a northern Israeli population and to estimate the clinical significance of this pathogen in patients with sore throat.

Methods: We examined suspected colonies for A. haemolyticum by gram stain, catalase test and reverse CAMP test in 518 throat cultures sent to the microbiologic laboratory of HaEmek Medical Center.

Results: Of the throat cultures tested, A. haemolyticum was recovered from one patient (0.2%). In contrast, group A Streptococcus (Streptococcus pyogenes) was recovered from 135 patients (26%).

Conclusion: A. hemolyticum is an uncommon pathogen implicated in acute pharyngitis, therefore routine screening in throat swabs is not required.

March 2005
M.A. Abdul-Ghani, M. Sabbah, B. Muati, N. Dakwar, H. Kashkosh, O. Minuchin, P. Vardi, I. Raz, for the Israeli Diabetes Research Group
 Background: Increased insulin resistance, which is associated with obesity, is believed to underlie the development of metabolic syndrome. It is also known to increase the risk for the development of glucose intolerance and type 2 diabetes. Both conditions are recognized as causing a high rate of cardiovascular morbidity and mortality.

Objectives: To assess the prevalence of metabolic syndrome and different glucose intolerance states in healthy, overweight Arab individuals attending a primary healthcare clinic in Israel.

Methods: We randomly recruited 95 subjects attending a primary healthcare clinic who were healthy, overweight (body mass index >27) and above the age of 40. Medical and family history was obtained and anthropometric parameters measured. Blood chemistry and oral glucose tolerance test were performed after overnight fasting.

Results: Twenty-seven percent of the subjects tested had undiagnosed type 2 diabetes according to WHO criteria, 42% had impaired fasting glucose and/or impaired glucose tolerance and only 31% had a normal OGTT[1]. Metabolic syndrome was found in 48% according to criteria of the U.S. National Cholesterol Education Program, with direct correlation of this condition with BMI[2] and insulin resistance calculated by homeostasis model assessment. Subjects with metabolic syndrome had a higher risk for abnormality in glucose metabolism, and the more metabolic syndrome components the subject had the higher was the risk for abnormal glucose metabolism. Metabolic syndrome predicted the result of OGTT with 0.67 sensitivity and 0.78 specificity. When combined with IFG[3], sensitivity was 0.83 and specificity 0.86 for predicting the OGTT result.

Conclusions: According to our initial evaluation approximately 70% of the overweight Arab population in Israel has either metabolic syndrome or abnormal glucose metabolism, indicating that they are at high risk to develop type 2 diabetes and cardiovascular morbidity and mortality. This population is likely to benefit from an intervention program.

_________________________

[1] OGTT = oral glucose tolerance test

[2] BMI = body mass index

[3] IFG = impaired fasting glucose
 

May 2004
M.A. Abdul-Ghani, M. Sabah, O. Minuchin, P. Vardi, I. Raz and J. Wainstein
March 2004
R. V. Grazi and J.B. Wolwesky

The Israel Health Ministry is preparing legislation that would allow a person to receive monetary compensation in exchange for donating a kidney for a lifesaving transplant. Such a bill would be the first of its kind, and would seem to establish a policy that is in contrast with both existing international professional ethics and major Christian and Islamic religious ethics. In an attempt to investigate the extent to which such a bill would be consistent with traditional Jewish ethics, we reviewed the opinions of major traditional Jewish ethicists/halakhists, with emphasis on contemporary opinions, and found that compensating an organ donor for his or her time, discomfort, inconvenience, and recovery is fully consistent with traditional Jewish law and ethics.  While non-altruistic sale of kidneys might be theoretically ethical from a Jewish perspective, ultimately its ethical status is inextricably connected to solving a series of pragmatic issues, such as creating a system that insures that potential vendors/donors are properly informed and not exploited; controlling and supervising medical screening and support of the donors to insure that their health is not permanently endangered; protecting minors and incompetents; and regulating payments so that they reasonably reflect compensation for pain and suffering.

December 2003
M. Kamar, A. Raziel, S. Susmallian, S. Kyzer and I. Charuzi
November 2003
R. Colodner, H. Edelstein, B. Chazan and R. Raz

Background: The lack of lactobacilli in the vagina of postmenopausal women due to estrogen deficiency plays an important role in the development of bacteriuria. In the last few years, the use of lactobacilli for the prevention of genitourinary infections has been explored using different probiotic strains.

Objectives: To evaluate the vaginal colonization by Lactobacillus rhamnosus GG in postmenopausal healthy women following oral administration of the bacteria in a yogurt base for 1 month, as a first step in evaluating the potential probiotic role of LGG[1] in the prevention of recurrent urinary tract infections.

Methods: One or two doses per day of yogurt containing 109 colony forming units of LGG were administered orally to 42 postmenopausal healthy women for 1 month. Vaginal and rectal swabs were cultured at the beginning and end of the study.

Results: At the end of the study, the vaginas of only four women (9.5%) were colonized with LGG, at a very low number of bacteria, despite the fact that the gastrointestinal tracts of 33 women (78.6%) were colonized. There were no significant differences between one or two doses daily.

Conclusions: LGG should not be considered as a probiotic agent in urinary infections since it does not attach well to the vaginal epithelium.






[1] LGG = Lactobacillus rhamnosus GG


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