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עמוד בית
Tue, 14.05.24

Search results


June 2001
Philipp von Landenberg, MD and Yehuda Shoenfeld, MD

In diagnosing sepsis the rapid identification of bacteremia at an early stage of the disease is critical for a favorable outcome. Furthermore, it is important that exact information on the stage of the disease be obtained rapidly in order to choose and initiate the appropriate therapy. In recent years many new techniques have been added to the diagnostic tools. In this review we will focus on three new methods for the early diagnosis of sepsis. These are: polymerase chain reaction, which offers the possibility to attain detailed information about the involved bacterial (or viral) species, and the laboratory markers procalcitonin and hypophosphatemia, which are indicators of the presence of infection with gram-negative bacteria. The approaches reviewed here were developed to expedite the diagnosis of especially early sepsis and might be a further step towards the improvement of therapy for sepsis.

May 2001
Gabriel E. Feldman, MD, MPH

Background: Hepatitis B is a major problem worldwide. Israel has intermediate endemicity for hepatitis B virus, and an annual carrier rate of 1-3%.

Objective: To evaluate both the prevalence of HBV infection among family members of HBV carriers and the competence of family practitioners in performing a compre­hensive assessment.

Methods: A total of 152 HB surface antigen-positive blood donors were discovered in our subdistrict during the years 1993-97. Their family physicians were questioned regarding the patients' family members. Specific information on 85 spouses and 200 children was also obtained.

Results: Among the 85 married carriers, 5 of the spouses (5.9%) were found to be HBsAg positive. None of the 200 children was HB5Ag positive. We found that in a third (n=52) of the patients, the sexual partner had never been tested by a primary care physician. Patients were not routinely tested for HB e antigen or anti-HBe antibodies. Neither the parents nor the siblings had undergone any serological evaluation. How­ever, most family members of the carriers had received an HBV vaccine from their family physicians.

Conclusions: Our findings show that horizontal transmis­sion of HBV among spouses of HBV carriers still exists. We did not find any vertical transmission, probably due to male predominance and previous vaccination. Family physicians should be trained to perform an extensive serological evalua­tion of family members of patients with chronic HBV infection, including parents and siblings, and should vaccinate sero­negative family members.

Gabriel E. Feldman, MD, MPH

Background: Recent genetic susceptibility findings in Jews of Eastern European descent, commonly called Ashke­nazi Jews, have led to concerns that they may be stigmatized as being more cancer prone than other groups.

Objective: To examine the hypothesis that site-specific or all-cancer incidence and mortality rates are higher than expected in Ashkenazi Jews worldwide when compared with referent populations.

Methods: A MEDLINE search was performed using keywords "Jews", "cancer", "incidence" and "mortality" to identify studies directly relevant to the primary study question.

Results: Little evidence suggested that all-cancer inci­dence or mortality is higher in Ashkenazi Jews than in North American non-Hispanic whites. Ashkenazi Jewish men appear to have relatively low cancer rates, which may be due to lower tobacco use. Colorectal cancer was shown to disproportio­nately overburden Ashkenazi Jews, who may also be at increased risk for ovarian, pancreatic and stomach cancer, and non-Hodgkin’s lymphoma. Little evidence was found support­ing an elevated risk of breast cancer in Ashkenazi Jewish women. Rates of lung, cervical, penile and prostate cancers appear low in this population. Rate disparities were generally attributed to lifestyle differences, particularly diet and tobacco use, rather than to genetic predisposition.

Conclusions: Ashkenazi Jews do not appear to have a higher total cancer burden than comparable North American populations. Any cancer rate differentials in this group are more likely to be related to lifestyle and dietary factors than to genetics. However, colorectal cancer rates in Ashkenazi Jews may be the highest of any ethnic group in the world and cancer controllers should consider this when developing future screening, diagnostic and policy strategies.

April 2001
February 2001
Donato Alarcon-Segovia, MD and Yehuda Shoenfeld, MD
Yehuda Shoenfeld, MD, Yaniv Dhemer, MD, Yaakov George, MD and Dror Harats, MD
December 2000
Rosalie Ber, MD, DSc, Gershon B. Grunfeld, PhD and Gideon Alroy, MD
 The Rappaport Faculty of Medicine of the Technion established an Ethics in Medicine Forum in March 1993. The main objective of the forum was to increase awareness of the philosophical principles of ethics in medicine, as defined and developed in the western world during the last three decades. The multidisciplinary forum meets once a month during the academic year. Our 7 years experience is documented. Of the 45 meetings, 30 were clinically oriented and of these more than half were based on cases. Only 15 meetings were purely theoretical. Our principal a assumption was that any and every topic could be discussed, including those covered by the law We explored a how well western philosophical principles and rules fit the Israeli picture. Many of the forum discussions related to 0 the draft of the Patient’s Bill of Rights which came into effect on 12 May 1996. The role of the ‘legal’ hospital ethics committees was compared to that of the “advisory” ethics committees whose members constituted a large share of our forum. The multicultural Israeli population and the practice of medicine therein raised many lively discussions. The principle of autonomy in the ultra-orthodox and in the family setting was a highly controversial issue. The forum served as a workshop for examining traditional medical ethical principles, which we strongly feel needs to he amended in light of the 1996 Patient’s Bill of Rights. From our 7 years experience with an Ethics in Medicine Forum we recommend that medical ethical deliberations focus on genuine medical cases.

March 2000
Anabel Aharon-Maor, MD and Yehuda Shoenfeld, MD
Orna Geyer, MD, Meira Neufelder, MD, Adi Michaeli-Cohen, MD, Moshe Lazar, MD, Sigal Sadetzki, MD and Baruch Modan, MD
February 2000
Michael Schwarz MD, Gadi Horev MD, Enrique Freud MD, Nizza Ziv MD, Amir Blumenfeld MD, Ran Steinberg MD and Liora Kornreich MD

Background: Multiple organ injury in children is an increasingly frequent phenomenon in the modern emergency room. Adrenal hemorrhage associated with this type of trauma has received little attention in the past.

Objectives: Using computed tomography, we sought to determine the rate and nature of adrenal gland injury in children following blunt abdominal trauma due to motor vehicular accident.

Methods: A total of 121 children with blunt abdominal trauma were examined and total body CT was performed in cases of multi-organ trauma or severe neurological injury.

Results: Of all the children who presented with blunt abdominal trauma over a 51 month period, 6 (4.95%) had adrenal hemorrhage. In all cases only the right adrenal gland was affected. Coincidental injury to the chest and other abdominal organs was noted in 66.7% and 50% of patients, respectively.

Conclusions: Traumatic adrenal injury in the pediatric population may be more common than previously suspected. Widespread application of the more sophisticated imaging modalities available today will improve the detection of damage to the smaller organs in major collision injuries and will help in directing attention to the mechanism of trauma. 

October 1999
Jacob George, MD, Dror Harats, MD and Yehuda Shoenfeld, MD
September 1999
Gideon Nesher, MD, Hanan Gur, MD, Michael Ehrenfeld, MD, Alan Rubinow, MD and Moshe Sonnenblick, MD.
 Objectives: To evaluate whether the increasing incidence of temporal arteritis in Israel is associated with a changing clinical presentation.

Methods: The demographic data and clinical manifestations of 144 TA1 patients in this large multicenter study were recorded and compared with data obtained in a previous study.

Results: The patient population was older, with 24% ≥80 years compared to 6% in the previous study.  There was an increase in the number of nonspecific presenting symptoms, and less patients presented with the “classical” manifestations of headache (81% vs. 71%), fever (83% vs. 40%), jaw claudication (21% vs. 13%), and visual symptoms (47% vs. 24%). The median time from presentation to diagnosis was significantly reduced, from 5 to 1.5 months.

Conclusions: There were substantial changes in the clinical presentation of TA patients in Israel during 1980–95 compared to patients diagnosed prior to 1978. It is suggested that these changes may be attributed not only to the influence of aging of the population, but are due largely to increasing physician awareness to the spectrum of manifestations of TA, which leads to earlier diagnosis.

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1TA = temporal arteritis

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