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עמוד בית
Fri, 22.11.24

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May 2012
D. Amital, H. Amital, G. Shohat, Y. Soffer and Y. Bar-Dayan

Background: On 4 February 2008, two terrorists armed with suicide bombs arrived at the open market in the southern Israeli city of Dimona. One detonated his bomb at approximately 10:30 a.m. causing multiple casualties. Short-term emotional effects and acute stress reactions usually appear among survivors after such incidents.

Objectives: To compare the differences in emotions and in disturbances of daily life activities that emerge a couple of days following such an event and to identify patterns of stress development among resilient and low-resilient members of the population in Dimona and in the general population of Israel.

Methods: A telephone survey of two randomly selected representative samples of adults (428 Israeli residents and 250 Dimona residents) was conducted 2 days after the event.

Results: A higher prevalence of stress and fear and a lower prevalence of joy were reported among the population of Dimona compared to the general population in Israel (P < 0.05). Differences were also recorded when the population of Dimona was categorized by their personal degree of resilience (P < 0.05). A higher prevalence of disturbances in daily life activities and changes in leisure activity was found in the low-resilient population in Dimona (P < 0.01).

Conclusions: This study demonstrates that following a public terror event, self-reported low-resilient subjects have a higher prevalence of disturbances in daily life activities, as well as adverse emotional responses. These differences must be addressed by the relevant social service agencies for immediate public intervention

February 2012
D. Itzhaky, D. Amital, K. Gorden, A. Bogomolni, Y. Arnson and H. Amital

Background: Vitamin D is increasingly associated with the pathology of cognition and mental illness. Vitamin D receptors have been detected on neurons that regulate behavior.

Objective: To assess vitamin D serum concentrations in patients with major depression and schizophrenia as compared to healthy controls and to determine if a correlation exists between serum levels of vitamin D and disease activity.  

Methods: We recruited 50 patients with schizophrenia and compared them to 33 patients with major depression and 50 controls with no major psychopathology. The Positive and Negative Syndrome Scale (PANSS) for schizophrenia and the Hamilton Depression scale for depression were administered on the same day the blood samples were drawn. We used LIAISON® 25-OH vitamin D (DiaSorin) immunoassay to measure serum concentrations of 25-OH vitamin D.

Results: Lower serum vitamin D concentrations were detected among patients with schizophrenia (15.0 ± 7.3 ng/ml) compared to patients with depression (19.6 ± 8.3 ng/ml) and to controls (20.2 ± 7.8 ng/ml, P < 0.05). We found no correlation between disease activity, measured by the PANSS score, and vitamin D levels.   

Conclusions: Serum vitamin D levels were lower in patients with schizophrenia as compared to patients with depression and to healthy controls. No correlation was found between serum concentration and disease activity. Additional studies are needed to elucidate the role of vitamin D in the autoimmune mechanism and in the pathogenesis of schizophrenia.

December 2011
I. Grodman, D. Buskila, Y. Arnson, A. Altaman, D. Amital and H. Amital
April 2011
March 2011
S. Shrot, E. Konen, M. Hertz and M. Amitai

Background: Assessment of small intestinal disease remains a challenge for both clinicians and radiologists. Modern magnetic resonance enterography (MRE) is a non-radiation modality that can demonstrate both intestinal wall pathologies and extraluminal lesions.

Objectives: To analyze the results of 213 MRE scans performed since 2005.

Methods: Consecutive MRE[1] scans performed in our academic medical center between December 2005 and November 2009 were reviewed for patients' demographic data, indications for the examination, and main imaging findings. The imaging findings recorded were mural changes and intraluminal filling defects; there were also mesenteric findings and extraintestinal inflammatory findings.

Results: During the study period 213 MRE scans were performed; 70% of them for proven or suspected Crohn's disease (CD) of the small bowel. Another indication was small bowel neoplasm (6% of the scans). Bowel wall thickening and enhancement were seen in 60% and 53% of MRE scans, respectively. Mesenteric involvement was found in 52% of the patients. Incidental extraintestinal findings were detected in 17% of the scans. In 22% of the scans there was no pathological finding.

Conclusions: Our 4-year clinical experience with MRE shows that this non-invasive and non-radiating modality is a powerful technique for evaluation and long-term follow-up of small bowel pathologies. The most common clinical indication was the evaluation of Crohn’s disease. With physicians’ increased awareness, the future use of MRE in the evaluation of other small bowel pathologies such as neoplasm and celiac disease will increase.






[1] MRE = magnetic resonance enterography



 
October 2010
Y. Ben Yehuda, S. Attar-Schwartz, A. Ziv, M. Jedwab and R. Benbenishty

Background: For health professionals who interact professionally with children, adequate awareness and training regarding the clinical indicators of child abuse and neglect, as well as subsequent reporting and procedures, are essential.

Objectives: To study Israeli health professionals’ experiences with identification and reporting of suspected cases of child abuse and neglect, and their perceived training needs in this area.

Methods: The study group was a convenience sample comprising 95 Israeli health professionals (physicians, nurses, social workers, psychologists, etc.) attending workshops on medical aspects at a national conference on child abuse and neglect. The study was a cross-sectional survey. The health professionals were asked to complete an anonymous structured questionnaire on their experience with child abuse and neglect and on their training needs.

Results: The participants in the survey had relatively high levels of involvement with child protection. Nevertheless, they strongly expressed their need for training, especially in mastering practice skills. The need for training was greater for professionals with less experience in child protection, and there were different needs according to profession.

Conclusions: Despite their prior extensive experience in dealing with child abuse and neglect, most of the health professionals participating in the conference reported the need for training in various areas.

August 2010
A. Farfel, D. Hardoff, A. Afek and A. Ziv

Background: Simulation-based medical education has become a powerful tool in improving the quality of care provided by health professionals.

Objectives: To evaluate the effect of a simulated patient-based educational program for military recruitment center physicians on the quality of medical encounters with adolescent candidates for military service.

Methods: Twelve physicians participated in an educational intervention that included a one day SP[1]-based workshop, where simulations of eight typical candidates for military service were conducted. Assessment of the physicians' performance before and after the intervention was based on questionnaires filled by 697 and 508 military candidates respectively, upon completion of their medical examination by these physicians. The questionnaire explored health topics raised by the examining physician as well as the atmosphere during the encounter. The candidates were also asked whether they had omitted important medical information during the medical encounter.

Results: Pre- and post-intervention comparison revealed significant changes in the percentages of candidates who reported that they were asked questions related to psychosocial topics: school problems – 59.7% and 68.9% (P = 0.01), protected sex – 29.6% and 36.4% (P = 0.01), mood changes – 46.9% and 52.2% (P = 0.05) respectively. Physicians were perceived as being interested in the candidates by 68.2% of the candidates before the intervention and 77.5% after (P < 0.01). The percentage of candidates who reported omitting medical information decreased from 6.6% before the intervention to 2.4% after (P < 0.01).

Conclusions: A simulated patient-based educational program for military physicians improved the quality of physician-candidate encounters. Such programs may serve as an effective instrument for training physicians to communicate with adolescents.






[1] SP = simulated patient


H. Danenberg, A. Finkelstein, R. Kornowski, A. Segev, D. Dvir, D. Gilon, G. Keren, A. Sagie, M. Feinberg, E. Schwammenthal, S. Banai, C. Lotan and V. Guetta

Background: The prevalence of aortic stenosis increases with advancing age. Once symptoms occur the prognosis in patients with severe aortic stenosis is poor. The current and recommended treatment of choice for these patients is surgical aortic valve replacement. However, many patients, mainly the very elderly and those with major comorbidities, are considered to be at high surgical risk and are therefore denied treatment. Recently, a transcatheter alternative to surgical AVR[1] has emerged.

Objectives: To describe the first year experience and 30 day outcome of transcatheter aortic self-expandable CoreValve implantation in Israel.

Methods: Transcatheter aortic valve implantation using the CoreValve system has been performed in Israel since September 2008. In the following year 55 patients underwent CoreValve TAVI[2] in four Israeli centers.

Results: Patients' mean age was 81.7 ± 7.1 years; there were 35 females and 20 males. The mean valve area by echocardiogram was 0.63 ± 0.16 cm2. The calculated mean logistic Euroscore was 19.3 ± 8%. Following TAVI, mean transvalvular gradient decreased from baseline levels of 51 ± 13 to 9 ± 3 mmHg. The rate of procedural success was 98%. One patient died on the first day post-procedure (1.8%) and all-cause 30 day mortality was 5.5% (3 of 55 patients). One patient had a significant post-procedural aortic regurgitation of > grade 2. Symptomatic improvement was evident in most patients, with reduction in functional capacity grade from 3.2 ± 0.6 at baseline to 1.4 ± 0.7. The most common post-procedural complication was complete heart block, which necessitated permanent pacemaker implantation in 37% of patients.

Conclusions: The Israeli first year experience of transcatheter aortic valve implantation using the CoreValve self-expandable system demonstrates an effective and safe procedure for the treatment of severe aortic stenosis in patients at high surgical risk.






[1] AVR = aortic valve replacement



[2] TAVI = transcatheter aortic valve implantation


July 2010
L. Barski, R. Nevzorov, J. Horowitz and S. Horowitz

Background: Clinical and epidemiologic features of coronary heart disease may not be explained solely by established risk factors. The role of infectious pathogens in the development and rupture of atherosclerotic plaques remains elusive but an association between Chlamydia pneumoniae, Mycoplasma pneumoniae and CHD[1] has been previously reported

Objectives: To determine whether there is an association between mycoplasmal infections and CHD.

Methods: We conducted a prospective cohort analysis of 150 consecutive hospitalized patients with CHD (85 with acute coronary syndrome and 65 admitted for unrelated reasons) and 98 healthy blood donors. Antibody titers for Mycoplasma pneumoniae, M. fermentans, M. hominis and Ureaplasma urealyticum were measured with the agglutination test or specific enzyme-linked immunosorbent assay in all three groups of patients.

Results: Analysis of the antibody titers did not reveal any significant difference in the presence of mycoplasmal antibodies between the patients with ACS[2], patients with known stable CHD hospitalized for non-CHD reasons, and healthy blood donors.

Conclusions: Determination of specific antibodies did not reveal a significant association among different types of mycoplasmal infection and CHD.





[1] CHD = coronary heart disease

[2] ACS = acute coronary syndrome

May 2010
H. Rosenblum, Y. Bar-Dayan, Z. Dovrish, S. Lew, N. Weisenberg, A. Neumann, T. Klein and H. Amital

Background: Obstruction of urine outflow can result from mechanical blockade as well as from functional defects. In adults, urinary tract obstruction is due mainly to acquired defects, such as pelvic tumors, calculi, and urethral stricture. In childhood it is mostly due to congenital malformations. In this article we present two rare cases of acute obstructive renal failure that presented with hydronephrosis. These cases underline the wide range of causes that may lead to this clinical feature. 

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