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עמוד בית
Thu, 21.11.24

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April 2020
Maria Infantino, Arianna Damiani, Francesca Li Gobbi, Valentina Grossi, Barbara Lari, Donatella Macchia, Patrizia Casprini, Francesca Veneziani, Danilo Villalta, Nicola Bizzaro, Piero Cappelletti, Martina Fabris, Luca Quartuccio, Maurizio Benucci and Mariangela Manfredi
June 2011
M. Abu-Tailakh, S. Weitzman and Y. Henkin

Background: The incidence and prevalence of coronary heart disease (CHD) among Bedouins living in the Negev region was very low until the 1960s. During the past 50 years this pattern has changed: in parallel to the changes in lifestyle and nutrition in the Bedouin population, a rapid increase in incidence and mortality from CHD occurred. The relationship between the rise in CHD incidence and the degree of urbanization in this population has not been investigated to date. The study hypothesis was that the prevalence of risk factors and the outcome of myocardial infarction in Bedouins differ between those settled in permanent villages and those remaining in unrecognized villages.

Objectives: To compare the prevalence of cardiovascular risk factors, clinical characteristics, and in-hospital management of a first acute myocardial infarction (AMI) in two Bedouin groups: those residing in permanent villages versus those residing in unrecognized villages.

Methods: We conducted a retrospective analysis of in-hospital data of 352 patients admitted with a first AMI during the period 1997–2003 to Soroka Medical Center, the only medical facility in the region.

Results: There were no differences between the two groups regarding the major cardiovascular risk factors and outcome. A relatively greater number of patients from urban areas underwent catheterization of any sort during their hospitalization (primary, rescue, and risk stratification; P = 0.038). No significant difference was found between the two groups in the type of catheterization performed (P = 0.279).

Conclusions: We found no differences in the clinical characteristics and in-hospital management of patients with AMI between Bedouins residing in permanent villages versus unrecognized villages.

January 2008
V. Pordeus, O. Barzilai, Y. Sherer, R.R. Luiz, M. Blank, N. Bizzaro, D. Villalta, J-M. Anaya and Y. Shoenfeld


Background: Infectious agents are important in the pathogenesis of autoimmune disease since they are a major part of the environmental trigger of autoimmunity. A negative relationship between latitude and infectious disease species richness has been suggested.

Objectives: To examine whether their prevalence differs in two latitudinally different populations.

Methods: The prevalence of infections with Toxoplasma gondii, rubella virus, cytomegalovirus, Epstein-Barr virus and Treponema pallidum was compared between subjects from Italy and Colombia.

Results: We found high titers of antibodies against four of five microorganisms tested, Toxoplasma gondii (50.8%), rubella virus (German measles) (75%), cytomegalovirus (86.3%), Epstein-Barr virus (83.3%) and Treponema pallidum (6.3%) in completely healthy individuals from a tropical country (Colombia) and a European country (Italy). Differences between two groups of volunteers were noted regarding two infectious agents. The prevalence of immunoglobulin G anti-rubella antibodies was significantly higher among Italian subjects (85% vs. 67.9%, P = 0.002), whereas antibodies against CMV[1] were less prevalent among Italian as compared to Colombian subjects (77% vs. 92.9%, P < 0.001).

Conclusions: These differences might also result in a different tendency towards development of autoimmune diseases associated with these infectious agents in different populations.






[1] CMV = cytomegalovirus


December 2002
Shlomo Eliyahu MD, Ehud Weiner MD, Zohar Nachum MD and Eliezer Shalev MD.

Background: Prematurity remains the most significant cause of neonatal morbidity and mortality. Knowing which group of women is at risk for developing preterm labor will define a target population for better prenatal care and prevention modalities.

Objective: To examine whether preterm delivery rates are associated with ethnicity, age, parity, and style of living.

Methods: We conducted a longitudinal case series examining obstetric and demographic data of 17,493 deliveries that occurred between June 1994 and May 1999. All deliveries were performed in the obstetric department of HaEmek Medical Center (Afula, Israel), which serves as a referral center. The main outcome measures were preterm delivery, as related to the women's ethnicity, age parity, and style of living ± namely, town, village, or kibbutz.

Results: The overall preterm delivery rate was 8.5%. The preterm delivery rate in non-Jewish women (10.5%) was higher than in Jewish women (7.1%) (P < 0.00001). The preterm delivery rate in women younger than 20 or older than 40 (12.5%) was much higher than in women between the ages of 21 and 40 (8.0%) (P< 0.00001). Grand-multipara women (>8) had a higher preterm delivery rate (13.8%) than less parous women (8.5%) (P < 0.012). Style of living was also associated with the preterm delivery rate (P< 0.00001): kibbutz 5.5%, Jewish towns 7.8%, non-Jewish towns 8.7%, Jewish villages 6.7%, and non-Jewish villages 11.0%.

Conclusions: Style of living, ethnicity, age and parity are statistically significant risk factors for preterm delivery in our area. These factors provide a more definable target population for better prenatal care.
 

March 2002
Anna Villa, MD, Christina Sobacchi, PhD and Paulo Vezzoni, MD, PhD

Severe combined immunodeficiencies represent a heterogeneous group of hereditary defects of the immune system that affect both T and B cells and whose etiology has only recently begun to be understood. A portion of these SCID patients bear a defect in either of the two recombination-activating genes, Rag-1 or Rag-2, while others have mutations in a newly identified gene, Artemis. Omenn syndrome is an unusual severe immunodeficiency with T cells but no B cells, and peculiar features also due to a defect in Rag-1 or Rag-2 genes. All these three forms are characterized by an impairment of the VDJ recombination, the process that insures the somatic diversification of immunoglobulin and T cell receptor-encoding genes. Recent findings have enabled us to better understand the pathophysiology of these three immunodeficiencies, which affect the V(D)J recombination process to a different extent and in different ways.

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