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עמוד בית
Thu, 18.07.24

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November 2008
Eran Kozer, MD, Rachel Bar-Hamburger, MD, Noa Y. Rosenfeld, MD, Irena Zdanovitch, MD, Mordechai Bulkowstein, MD and Matitiahu Berkovitch, MD.

Background: Clinicians’ impression of adolescents' alcohol or drug involvement may underestimate substance-related pathology.

Objectives: To describe the characteristics of adolescents presenting to the pediatric emergency department due to substance abuse and to determine whether physicians can reliably identify these patients.

Methods: We conducted a prospective cohort study of all patients aged 12–18 years presenting to a pediatric emergency department between 1 January 2005 and 31 December 2006 for whom a urine drug screen or ethanol blood levels was ordered. According to departmental protocol urine drug screen and ethanol levels are taken for specific indications. Based on the history and clinical findings the pediatrician in the ED[1] assessed on a 5-point likelihood scale the possibility that the patients’ symptoms were related to substance abuse.

Results: Of the 139 patients in the study group 40 (30%) tested positive for ethanol or drugs of abuse. The median age was 16. Compared with patients who tested negative, there were more patients with decreased level of consciousness among patients who tested positive for ethanol or drugs (5% vs. 33% respectively, P < 0.001). The median physician estimate for the likelihood of substance abuse was 5 in patients who tested positive and 2 in patients who tested negative (P < 0.001). The likelihood of a positive drug/ethanol test was not affected by age or gender.
Conclusions: Since the likelihood of substance abuse is higher in patients presenting with a low level of consciousness, physicians may accurately assess the likelihood of substance abuse in these patients





[1] ED = emergency department

September 2008
March 2008
N. Shoenfeld and R.D. Strous

The biblical story of Samson may be understood at various levels and from different perspectives. Since the story of Samson in the Bible is sketchily drawn, the interpretations of the narrative are numerous. One version, according to David Grossman, a contemporary writer and liberal Israeli political activist, regards Samson critically, viewing him as a tormented individual who opts to end his life in order to end his suffering. Another version is that of Ze’ev Jabotinsky, a twentieth century author and nationalistic Jewish political activist, who regards Samson as a heroic figure exemplifying the ultimate Jewish hero who killed himself to help his people. While suicide is considered a tragic event, viewed as the outcome of an unstable state of mind from a psychopathological point of view, and a controversial issue in Judaism (as in other religions), there is value in examining how each of these authors explains the act. Since the personal and political opinions of the authors influenced their interpretations, the discussion will briefly expound on their biographies. A comparison between their two versions of the narrative will be made. A word of caution is introduced regarding the merits and demerits of artistic and creative analysis of the biblical narrative.

Z. Mor, A. Adler, A. Leventhal, I. Volovic, E. Rosenfeld, M.N. Lobato and D. Chemtob

Background: The crowded environment of correctional facilities may enhance infectious diseases transmission, such as tuberculosis.

Objectives: To define the tuberculosis burden in prisons in Israel, a country of low TB[1] incidence (7.9 cases:100,000 population in 2004), in which about 13,000 inmates are being incarcerated annually, and to recommend policy adaptations for TB control.

Methods: All prison clinic lung records from 1998 through 2004 in Israel were reviewed to identify pulmonary TB patients. Additionally, we reviewed TB epidemiological investigation files from one northern prison (years 2002 through 2005) to evaluate possible transmission of the disease.

Results: During the study period 23 Israeli inmates had pulmonary TB (25 cases/100,000 prisoners), which was 3.5 times higher than for the general population. Of those, 18 (78%) were born in the Former Soviet Union and immigrated to Israel after 1990. Four pulmonary TB cases in the evaluated prison were reported, and 22% (149/670) of all inmates and staff were referred for treatment of latent TB infection.

Conclusions: To prevent future TB cases, we recommend new prevention measures, including a symptom questionnaire for all new inmates and selective tuberculin skin testing for inmates infected with human immunodeficiency virus/AIDS, those who inject drugs, and those who emigrated from the former Soviet Union after 1990. New staff should be screened by the two-step tuberculin skin test and annual symptoms questionnaire thereafter. Incarceration may be used as a point of detection for TB and a window of opportunity for treatment in this hard-to-reach population. 






[1] TB =tuberculosis


January 2008
Y. Shoenfeld, B. Gilburd, M. Abu-Shakra, H. Amital, O. Barzilai, Y. Berkun, M. Blank, G. Zandman-Goddard, U. Katz, I. Krause, P. Langevitz, Y. Levy, H. Orbach, V. Pordeus, M. Ram, Y. Sherer, E. Toubi and Y. Tomer
Y. Shoenfeld, G. Zandman-Goddard, L. Stojanovich, M. Cutolo, H. Amital, Y. Levy, M. Abu-Shakra, O. Barzilai, Y. Berkun, M. Blank, J.F. de Carvalho, A. Doria, B. Gilburd, U. Katz, I. Krause, P. Langevitz, H. Orbach, V. Pordeus, M. Ram, E. Toubi and Y. Sherer
Y. Shoenfeld, M. Blank, M. Abu-Shakra, H. Amital, O. Barzilai, Y. Berkun, N. Bizzaro, B. Gilburd, G. Zandman-Goddard, U. Katz, I. Krause, P. Langevitz, I.R. Mackay, H. Orbach, M. Ram, Y. Sherer, E. Toubi and M.E. Gershwin
M. Blank and Y. Shoenfeld

Idiotypic analyses of anti-DNA autoantibodies were widely reported a decade ago. More than 100 studies were conducted on one of the main analyzed idiotypes, the 16/6 Id of the anti-ssDNA monoclonal antibody. In this review we summarize current knowledge on the characteristics of the 16/6 Id[1], its link to infection and its target epitopes on other molecules known so far. This includes the modulation of T and B cell responses and gene expression by the 16/6 mAb[2] in vitro and in vivo. We focus on the ability and mechanisms by which this idiotype induces experimental lupus in naïve mice, manifested by autoantibody spread, kidney and brain involvement, and leukopenia associated with enhanced sedimentation rate. We also discuss various therapeutic modalities to treat 16/6 induced lupus in mice.

 

 







[1] Id = idiotype

[2] mAb = monoclonal antibody


M. Szyper-Kravitz, A. Altman, J.F. de Carvalho, F. Bellisai, M. Galeazzi, Y. Eshet and Y. Shoenfeld

The antiphospholipid syndrome is characterized by recurrent fetal loss, venous and/or arterial thrombosis, and thrombocytopenia associated with elevated titers of lupus anticoagulant and anticardiolipin antibodies. Although thrombosis is the characteristic vascular involvement in APS[1], the development of vascular aneurysms in patients with APS has been reported. We describe four patients with established APS, who developed abdominal aortic aneurysm, and review the literature on previous published cases of arterial aneurysms developing in patients with APS. In addition, we discuss the possible pathophysiological association between APS and the development of this vascular abnormality.






[1] APS = antiphospholipid syndrome



 
S. Bar-Sela and Y. Shoenfeld
Two patients working for several years in the operation and maintenance of photocopy machines developed an autoimmune disease. In both, early manifestations were thromboembolic phenomena associated with anticardiolipin antibodies. Joint and kidney involvement emerged later, with the appearance of other autoantibodies. These two patients were occupationally exposed to ultraviolet irradiation, ozone emission, and possibly some oxides of heavy metals. To our knowledge this is the first report of occupational autoimmune disease in photocopy machine workers, and the first description of antiphospholipid syndrome as an occupational disease. The possible cause-effect inter-relationship between their occupational exposure and autoimmune disease is discussed.
Y. Sherer, S. Kuechler, J. Jose Scali, J. Rovensky, Y. Levy, G. Zandman-Goddard and Y. Shoenfeld

Background: Systemic lupus erythematosus is an autoimmune disease with diverse clinical manifestations that cannot always be regulated by steroids and immunosuppressive therapy. Intravenous immunoglobulin is an optional immunomodulatory agent for the treatment of SLE[1], but the appropriate indications for its use, duration of therapy and recommended dosage are yet to be established. In SLE patients, most publications report the utilization of a high dose (2 g/kg body weight) protocol.

Objectives: To investigate whether lower doses of IVIg are beneficial for SLE patients.

Methods: We retrospectively analyzed the medical records of 62 patients who received low dose IVIg[2] (approximately 0.5 g/kg body weight).

Results: The treatment was associated with clinical improvement in many specific disease manifestations, along with a continuous decrease in SLEDAI scores (SLE Disease Activity Index). However, thrombocytopenia, alopecia and vasculitis did not improve following IVIg therapy.

Conclusions: Low dose IVIg is a possible therapeutic option in SLE and is associated with lower cost than the high dose regimen and possibly fewer adverse effects.






[1] SLE = systemic lupus erythematosus

[2] IVIg = intravenous immunoglobulin


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