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עמוד בית
Fri, 22.11.24

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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.
August 2009
A. Lahat, M. Nadler, C. Simon, M. Lahav, B. Novis and S. Bar-Meir

Background: Double balloon enteroscopy is a new technique that enables deep intubation of the endoscope into the small bowel lumen. Through a channel in the endoscope, invasive procedures such as biopsy, polypectomy and hemostasis can be performed, avoiding the need for surgery.

Objectives: To prospectively analyze our results of the first 124 DBEs[1] performed since February 2007.

Methods: The study group comprised all patients who underwent DBE at the Sheba Medical Center between February 2007 and February 2009. Recorded were the patients' demographic data, comorbidities, indications for the examination, results of previous non-invasive small bowel imaging (computed tomography enterography, capsule endoscopy, etc), investigation time, and results of the procedure including findings, endoscopic interventions, complications and pathological report.

Results: A total of 124 procedures were performed in 109 patients. Of the 124 examinations, 57 (46%) were normal and 67 (54%) showed pathology. The main pathologies detected on DBE were polyps (14%), vascular lesions (17.6%) and inflammation (12%). Endoscopic biopsies and therapeutic interventions were required in 58 examinations (46%). A new diagnosis was established in 15% of patients, diagnosis was confirmed in 29% and excluded or corrected in 12%. One complication was observed: a post-polypectomy syndrome that was treated conservatively.

Conclusions: DBE is a safe procedure and has a high diagnostic and therapeutic yield. Most of the examinations were performed under conscious sedation, and only a minority of patients required deeper sedation. 






[1] DBE = double balloon enteroscopy


October 2006
March 2006
E. Bar-Meir, D. Mendes and E. Winkler

Background: The suspicion of child abuse and neglect may arise from manifestations such as physical or psychosomatic symptoms, eating disorders, suicidal behavior, impaired parental functioning, etc. Thus the arrival of an abused or neglected child at the hospital provides an opportunity for detecting the problem and beginning a process of change. Optimal utilization of this potential depends on the awareness, diagnostic ability and cooperation of the staff.

Objectives: To assess knowledge about hospital policy, attitudes and actual behavior of hospital staff in cases of SCAN[1].

Methods: The questionnaire was adapted and distributed to a convenience sample of personnel at a children’s hospital. The questionnaire included items on knowledge of hospital policy regarding SCAN, attitudes towards inquiring about cases that appear suspicious, and behaviors in cases in which the respondent was involved. The comparison of responses to specific questions and among members of different professions was analyzed by chi-square test.

Results: Eighty-two staff members completed the questionnaires. Most of the respondents were aware of hospital policy regarding suspected abuse (86.6%), with fewer regarding suspected neglect (77.2%). Physicians were the least aware of these policies, as compared to medical students, nurses and social workers. Although most considered the issue of SCAN a responsibility of members of their own profession, 35.4% considered it primarily the responsibility of the welfare or judicial systems. Over 40% felt uncomfortable discussing suspicions with the child and nearly half felt uncomfortable discussing them with parents. The most often reported reason for this was the sense that they lacked skills or training for dealing with the issue. Despite this, when asked about actual behavior, 94.7% responded that they do try to clarify the circumstances related to the suspicious symptoms. Respondents were more likely to contact the hospital social worker than community resources (91.5% vs. 47.2%).

Conclusions: The findings highlight the need to encourage awareness, discourse and training of medical personnel about issues related to SCAN in order to maximize their potential contribution to identifying children at risk.






[1] SCAN = suspicion of child abuse and neglect


E. Bar-Meir, D. Mendes and E. Winkler

The role of skin substitutes in burn surgery and in the treatment of chronic wounds is constantly evolving. New products are regularly being developed and approved for clinical use. Studies on existing products demonstrate their effectiveness in different clinical scenarios. However, cost-related concerns, inadequate physician education, and the drawbacks that still accompany every skin substitute have resulted in limited application of these modalities. Today, burn surgeons still rely mostly on old-fashioned skin grafts. Only a few burn centers in the world actually use some of these products in their routine treatment of wounds. This review provides an up-to-date overview of the latest developments in the field of skin substitutes. We examine the major commercially available skin substitute products and their performance, and briefly review the technologies and products that are under development but have not yet become widely available.

September 2002
January 2002
Ronen Rubinshtein, MD, Eran Bar-Meir, MD, Ahuva Grubstein, MD and Haim Bitterman, MD
March 2001
Benjamin Avidan, MD, Ehud Melzer, MD, Nathan Keller, MD and Simon Bar-meir, MD

Background: Current treatment for the eradication of Helicobacter pylori in patients with peptic disease is based on the combination of antibiotic and anti-acid regimens. Multiple combinations have been investigated, however no consensus has been reached regarding the optimal duration and medica­tions.

Objectives: To assess the efficacy of two treatment regimens in patients with peptic ulcer disease and non-ulcer dyspepsia, and to determine the need for gastric mucosal culture in patients failing previous treatment.

Methods: Ninety patients with established peptic ulcer and NUD (with previously proven ulcer) were randomly assigned to receive either bismuth-subcitrate, amoxycillin and metrnida­zole (8AM) or lansoprasole, clarithromycine and metronida­zole (LCM) for 7 days. Patients with active peptic disease were treated with ranitidine 300 mg/day for an additional month.

Results: Eradication failed in 8 of the 42 patients in the 8AM group and in 2 of the 43 patients in the LCM group, as determined by the 13C urea breath test or rapid urease test (19% vs. 5%, respectively, P=0.05). Five of these 10 patients were randomly assigned to treatment with lansoprazole, amoxycillin and clarithromycin (LAC) regardless of the culture obtained, and the other 5 patients were assigned to treatment with lansoprazole and two antibacterial agents chosen according to a susceptibility test. Eradication of H. pylon was confirmed by the ‘3C urea breath test. The same protocol (LAC) was used in all patients in the first group and in four of the five patients in the second group. The culture results did not influence the treatment protocol employed.

Conclusions: Combination therapy based on proton pump inhibitor and two antibiotics is superior to bismuth-based therapy for one week. Gastric-mucosal culture testing for sensitivity of H. pylon to antibiotics is probably unnecessary before the initiation of therapy for patients with eradication failure.

October 2000
Ehud Melzer, MD, Ronen Holland, MD, Zeev Dreznik, MD and Simon Bar-Meir, MD
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