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עמוד בית
Sat, 23.11.24

Search results


August 2012
S. Ben Shimol, L. Dukhan, I. Belmaker, S. Bardenstein, D. Sibirsky, C. Barrett and D. Greenberg

Background: Human brucellosis is common in southern Israel among the semi-nomadic Bedouin, a population that consumes unpasteurized dairy products. Though camel milk ingestion is a known mechanism for brucellosis acquisition, only a few reports of sporadic cases have been published in the medical literature.

Objectives: To describe a local brucellosis outbreak in 15 extended Bedouin family members, following ingestion of infected camel milk.

Methods: Data regarding patient’s clinical manifestations, laboratory findings, treatment and outcome were collected from the hospital and the health fund clinics’ computerized database. Camel’s blood and milk were tested for Brucella serology and culture. Cases were defined by positive Rose Bengal test, symptoms correlating with brucellosis, and consumption of infected camel milk.

Results: Fifteen patients were diagnosed with acute brucellosis from March to June 2011. Sixty percent of cases had serum agglutination test titers of 1:160 or higher and 4/8 (50%) had positive blood culture for Brucella melitensis. Arthralgia and fever were the most consistent clinical manifestations. Blood and milk serology and milk culture taken from the female camel were positive for Brucella melitensis.

Conclusions: The treating physicians must consider the possibility of infected camel milk ingestion as the mode of infection, both in sporadic cases and in outbreaks of brucellosis.

E. Kadmon, D. Menachemi, J. Kusniec, M. Haim, M. Geist and B. Strasberg

Background: The implantable loop recorder (ILR) is an important tool for the evaluation of unexplained syncope, particularly in cases of rarely occurring arrhythmia.

Objectives: To review the clinical experience of two Israeli medical centers with the ILR. Methods: We reviewed the medical records of patients with unexplained syncope evaluated with the ILR at Rabin Medical Center (2006–2010) and Wolfson Medical Center (2000–2009).

Results: The study group included 75 patients (44 males) followed for 11.9 ± 9.5 months after ILR implantation. Patients’ mean age was 64 ± 20 years. The ILR identified an arrhythmic mechanism of syncope in 20 patients (17 bradyarrhythmias, 3 tachyarrhythmias) and excluded arrhythmias in 12, for a diagnostic yield of 42.7%. It was not diagnostic in 17 patients (22.7%) at the time of explant 26 patients (34.7%) were still in follow-up. In two patients ILR results that were initially negative were reversed by later ILR tracings. The patients with bradyarrhythmias included 9 of 16 (56.3%) with surface electrocardiogram conduction disturbances and 2 of 12 (16.7%) with negative findings on carotid sinus massage. All bradyarrhythmic patients received pacemakers the seven patients for whom post-intervention data were available had no or mild symptoms.

Conclusions: The ILR has a high diagnostic yield. Pre-ILR findings correlating with the ILR results are conduction disturbances (positive predictor of arrhythmia) and negative carotid sinus massage results (negative predictor of arrhythmia). Proper patient instruction is necessary to obtain accurate results. Caution is advised when excluding an arrhythmia on the basis of ILR tracings, and long-term follow-up is warranted.

A.Gefen, M. Weyl Ben Arush, I. Eisenstein, E. Vlodavsky, R. Abdah-Bortnyak and S. Postovsky
July 2012
O. Megged, M. Bar-Meir and Y. Schlesinger
Background: The incidence of invasive disease due to Haemophilus influenzae has decreased since the implementation of vaccination against serotype B.

Objectives: To describe the epidemiology, clinical and microbiological characteristics of patients with H. influenzae meningitis or bacteremia in the vaccine era in Israel.

Methods: We reviewed the medical records of all patients admitted to Shaare Zedek Medical Center between 1997 and 2010 who had blood or cerebrospinal fluid culture positive for H. influenzae.

Results: The study group comprised 104 patients – 57 children and 47 adults. Overall, 21 (20%) of the infections were due to serotype b. The children had shorter hospitalizations (6 vs. 12 days, P = 0.005) and lower mortality rate (5% vs. 28%, P = 0.003) as compared to the adults. Bacteremic pneumonia was the most common diagnosis in adults (45% vs. 28% in children, P = 0.08) while meningitis was more common in children (17% vs. 3.5%, P = 0.09). There was a seasonal pattern, with infections being more common during the winter and spring.

Conclusions: Invasive H. influenzae disease is uncommon but still exists in both children and adults. The disease course tends to be more severe in adults. Even in the global vaccination era, serotype b constitutes a significant portion of invasive disease.
I. Potasman, G. Naftali and M. Grupper
Background: Overuse and abuse of antibiotics is a major cause of microbial resistance. Within the hospital setting such overuse necessitates real-time supervision by infectious diseases (ID) specialists.

Objectives: To evaluate the impact of a recently introduced computerized antibiotic authorization system on the pharmacy budget.

Methods: The study was performed in a 400 bed university hospital. With the new system, antibiotic requests are entered electronically by the ward physician and reviewed within minutes to hours by ID specialists. The feedbacks are seen in the wards and pharmacy. Successive years, one before and the other after introduction of the system, were compared.

Results: During the first year with the new system 7167 antibiotic requests were entered 20% of them were rejected, mainly for improper indication (43% of the rejections). During that year the antibiotic expenditure was reduced by 17%, compared to the previous year (~equal to 200,000 US$), and was against the trend of the last 5 years. Of the 35 antibiotics under the control of the ID team, the use of 7 was probably curtailed by the supervision. Pareto analysis revealed that four drugs constituted > 50% of the pharmacy’s expenses. The mortality rate (per 1000 hospitalization days) during those 2 years fell from 4.0 to 3.8.

Conclusions: Computerized antibiotic control by ID specialists is a feasible cost-saving new modality that may help reduce unnecessary antibiotic prescriptions.
June 2012
E. Silberstein, T. Silberstein, E. Elhanan, E. Bar-Droma, A. Bogdanov-Berezovsky and L. Rosenberg

Background: Clefts of the lip and palate are the most common significant congenital birth anomaly of orofacial region. The condition may vary from a minor easily correctable cleft to a significant functional and cosmetic incapacitation. This is the first epidemiological study of orofacial clefts in the Negev region in Israel.

Objectives: To establish the frequency of cleft lip and palate in the population of the Negev, characterize the demographic features of affected individuals and find possible risk factors, compare the risk in two major population groups: Bedouin and Jewish in a well-defined geographic area, and determine whether there is a change over time in the birth of babies with facial clefts.

Methods: We conducted a retrospective survey of the Soroka Medical Center archives. The sample population comprised all 131,218 babies born at Soroka during the 11 year period 1 January 1996 to 31 December 2006. Statistical tests used Pearson's chi-square test, Student’s t-test and Spearman's correlation coefficient test according to the type of parameter tested.

Results: During the study period 140 babies were born with orofacial cleft. The overall incidence of cleft lip and palate was 1.067/1000. The incidence of facial clefts was 1.54/1000 among Bedouins and 0.48/1000 among Jews (P < 0.001). Cleft palate was significantly more frequent in female than male babies (P = 0.002). Over the study years we found a significant decrease in the incidence of facial clefts in the Bedouin population, with Spearman's correlation coefficient rank -0.9 (P < 0.01).

Conclusions: A significant decrease occurred in the incidence of facial clefts among Bedouin. This change may be attributed to prenatal care in the Bedouin Negev population as part of social and health-related behavior changes. The reduction in rates of congenital malformations, however, does not mean a reduction in the number of cases in a growing population. Also, with a modern western lifestyle, the expectancy and demand for reconstructive facial surgery and comprehensive care for these children are on the rise.

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

S. Jaworowski, D. Raveh, J.-L. Golmard, C. Gropp and J. Mergui

Background: Alcohol consumption in Israel has increased over the last 20 years. Patients with alcohol use disorder (AUD) who present at a hospital enable early intervention. Objectives: To examine, for the first time, the characteristics of AUD patients in an Israeli general hospital, including whether their alcohol use is documented in their file.

Methods: A group of 178 consecutive patients referred for psychiatric consultation was compared to a second group of 105 hospitalized patients who were not referred. These two groups were studied to compare risk factors for AUD. Patients in both groups were prospectively interviewed using a CAGE questionnaire, demonstrated as an effective screening instrument for AUD. Patients' files in both groups were examined for documentation of alcohol use.

Results: There was no significant difference between the prevalence of AUD in the two groups. The groups were then merged since no significant difference in the risk factor effects between the two groups was found. The risk factors for AUD in the final statistical analysis were lower educational status, living alone, being born in the Former Soviet Union and weaker religious observance. Post-traumatic stress disorder (PTSD), cigarette smoking and substance use were found to be independent risk factors. Soldier status was associated with significant alcohol misuse and AUD (CAGE1–4). Alcohol consumption was documented in the files of AUD patients in 48% of the first group and 21% of the second.

Conclusions: Physicians often neglect to take a history of alcohol consumption. Routine use of the CAGEquestionnaire is recommended in Israeli general hospitals. Special attention should be given to PTSD patients and to soldiers.
 

April 2012
A. Achiron, B.-Z. Garty, S. Menascu, D. Magalashvili, M. Dolev, B. Ben-Zeev and O. Pinhas-Hamiel
Background: Multiple sclerosis (MS) occurs in young adults and infrequently appears in childhood.

Objectives: To determine the incidence of MS and describe the clinical, cerebrospinal fluid (CSF) and magnetic resonance imaging (MRI) findings at onset MS in children in Israel.

Methods: Incidence and case-specific data were obtained through the MS Center Database and Israeli Health Statistics Census Data over 15 years, from 1995 to 2009, and compared between patients with childhood (< 12 years), juvenile (> 12 years, < 18 years) and adult (> 18 years) onset MS.

Results: Of 1129 eligible MS patients, we identified 10 (0.89%) with childhood-onset MS, 74 (6.55%) with juvenile-onset MS, and 1045 (92.56%) with adult-onset MS. There were 0 to 3 incident childhood cases/year, leading to an annual incidence of 0.1/100,000 among Israeli children the incidence of juvenile and adult MS was 2.6 and 5.4/100,000, respectively. Neurological presentation among children with MS was optic neuritis, motor weakness or brainstem involvement. CSF oligoclonal immunoglobulin (IgG) were positive in 62.5%. The most frequent MRI finding was the occurrence of ¡Ý 3 periventricular white matter lesions followed by corpus callosum lesions, with 71% co-occurrence. Cervical and thoracic lesions occurred in 33% and 43%, respectively. Time to second neurological event ranged from 0.3 to 4.2 years and none of the patients with childhood MS reached EDSS=6.0 within a mean follow-up period of 8.4 years.

Conclusions: Childhood-onset MS is rare, with an incidence of 0.1/100,000 Israeli children. Childhood MS does not differ significantly from juvenile and adult-onset MS in terms of clinical, laboratory and imaging findings.
March 2012
Z. Mor, T. Shohat, Y. Goor and M. Dan
Background: The increase in human immunodeficiency virus (HIV) among men who have sex with men (MSM) in Israel during the last decade raises concerns regarding other sexually transmitted diseases (STD) in MSM, which are yet undetermined.

Objectives: To evaluate the STD burden in MSM and heterosexuals visiting the Tel Aviv walk-in STD clinic.

Methods: Records of all male patients who attended the clinic once were reviewed to identify demographic characteristics, behavioural attributes, and test results.

Results: Between 2002 and 2008, 1064 MSM (22%) and 3755 heterosexuals (78%) visited the clinic once. Positivity rates in MSM for HIV, urethral Neisseria gonorrhoea and infectious syphilis were higher than in heterosexuals (2.5%, 2.5%. 0.7% vs. 0.6%, 1.3%, 0.3%, respectively), while urethral Chlamydia trachomatis was higher in heterosexuals than in MSM (2.7% and 1.4%, respectively). MSM tested in our clinic were younger than heterosexuals (P < 0.001), more commonly circumcised (P = 0.03) and Israeli-born (P < 0.001), used substances during sex (P = 0.04), and had prior STD (P < 0.001), a greater number of sexual partners (P < 0.001), and earlier sexual debut (P = 0.02). The final multivariate results for MSM to be diagnosed with HIV/STD were greater number of sexual contacts, previous diagnosis with STD, and infrequent use of condom during anal intercourse.

Conclusions: MSM visiting the Levinsky Clinic had higher rates of HIV/STD than heterosexual males, which correlated with their higher-risk behaviors. The unique characteristics of MSM found in our study, such as sex work, substance use, previous diagnosis of STD, multiple partners and inconsistent use of condom during anal sex should be addressed with innovative interventions to prevent STD/HIV in the gay community in Israel.
T. Brosh-Nissimov, Z. Mor, E. Avramovich, E. Katchman, B. Avidor, O. Mor and D. Turner
Background: Outbreaks of syphilis have been described among men who have sex with men (MSM) in many western urban communities in the last few years.

Objectives: To describe the first reported outbreak of syphilis among MSM in Israel within a decade of a constant increase in human immunodeficiency virus (HIV) prevalence.

Methods: All patients diagnosed with syphilis were contacted and asked about their sexual behavior, substance use and previous infections. All were tested for HIV and a phylogenetic analysis was performed. 

Results: A total of 23 (59%) of all 39 male patients diagnosed with primary or secondary syphilis between August 2008 and August 2009 were interviewed. All were MSM and performed anal intercourse, while 13 (55%) reported unprotected anal intercourse. Most participants (21, 91%) practiced unprotected oral intercourse. Nine participants (39%) reported unprotected oral intercourse while using condoms during anal intercourse. Ten participants (43%) reported sexual contacts while traveling abroad in the previous few months. Most participants (96%) were co-infected with HIV, and 15 (68%) were already aware of their HIV infection. Fifteen (66%) reported the use of recreational drugs, alcohol, or both before or during sex. No common source or core transmitters were identified.

Conclusions: This syphilis outbreak included MSM who were co-infected with HIV and were characterized by risky sexual behavior including multiple partners, unprotected anal intercourse and substance use. Future targeted interventions should focus on HIV-infected MSM for secondary prevention.
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