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עמוד בית
Wed, 23.07.25

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October 2016
Osnat Halshtok Neiman MD, Zippy Erlich PhD, Eitan Friedman M PhD, Arie Rundstein MD, Anat Shalmon MD, Yael Servadio MD and Miri Sklair Levy MD

Background: Automated breast volumetric sonography (ABVS) is a new technology with various possible applications.

Objectives: To compare ABVS and breast magnetic resonance imaging (MRI) in the surveillance of women with BRCA1/2 gene mutation carriers.

Methods: We conducted a prospective study in Jewish female BRCA1/2 mutation carriers who underwent breast MRI and ABVS. The results of both exams performed 6 months apart or less, and relevant clinical data, were reviewed. The BIRADS results were divided into three subgroups according to subsequent expected management: BIRADS 1-2 (normal study), BIRADS 3 (probably benign finding), and BIRADS 4 and 5 (suspicious findings). BIRADS 0 and 6 scores were excluded from the study. Distribution of ABVS and MRI BIRADS scores were compared using McNemar's test, and concordance was calculated using the Cohen kappa test.

Results: Overall, 68 women, 40 BRCA1 and 28 BRCA2 mutation carriers, age range 26–69 (mean 44.55 ± 12.1 years), underwent 79 paired ABVS and MRI examinations. McNemar's test calculations showed no significant difference between MRI and ABVS BIRADS score distribution. Cohen’s kappa test resulted in k = 0.158, an agreement that can be described as only "slight agreement" between both modalities. Of 14 discordant cases there was one cancer, revealed by MRI and not by ABVS performed 6 months prior to MRI.

Conclusions: ABVS showed slight agreement with MRI in BRCA1/2 mutation carriers. These preliminary results on a small group of healthy high risk patients suggest that the diagnostic abilities of ABVS are inferior to MRI. Further studies encompassing larger groups are needed.

 

August 2016
Tal Bergman-Levy MD MHA, Oren Asman LLB LLM LLD, Eyal Dahan MD, Binyamin Greenberg MD, Shmuel Hirshmann MD and Rael Strous MD MHA

Background: In Israel a general code of ethics exists for physicians, drafted by the Israel Medical Association. The question arises whether psychiatrists require a separate set of ethical guidelines.

Objectives: To examine the positions of Israeli psychiatrists with regard to ethics in general and professional ethics in particular, and to explore opinions regarding a code of ethics or ethical guidelines for psychiatry. 

Methods: A specially designed questionnaire was compiled and completed by psychiatrists recruited for the study. 

Results: Most participants reported low levels of perceived knowledge regarding ethics, professional ethics, and the general code of ethics. Older and more experienced professionals reported a higher level of knowledge. Most psychiatrists agreed or strongly agreed with the need for a distinct code of ethics/ethical guidelines for psychiatrists. This support was significantly higher among both psychiatrists under 50 years and residents. 

Conclusions: Our findings suggest that the existing code of ethics and position papers may not be sufficient, indicating a potential need to develop and implement a process to create the ethical code itself. In addition, the findings highlight the importance of ethics education, suggesting that the need for a code of ethics is more urgent in the early stages of professional training, as younger professionals may be more exposed to advanced media technology. While some may fear that a distinct code of ethics will distance psychiatry from modern medicine, others assert that the profession combines aspects from the humanities and social sciences that require a unique sort of management and thus this profession requires a distinct code of ethics.

 

Ron Lavy MD, Yehuda Hershkovitz MD, Lital Keinan-Boker MD and Ariel Halevy MD

Background: Gastrointestinal malignancies comprise a broad spectrum of neoplasms and have a high overall incidence. The incidence rates in Israel vary among ethnic groups due to different risk factors.

Objectives: To investigate incidence trends of these cancers in Israel in both Jewish and Arab ethnic groups in order to better understand the risks in those groups.

Methods: This study is based on data published by the Israel National Cancer Registry and the Central Bureau of Statistics. We compared statistics between ethnicities and genders. We examined the eight most common gastrointestinal cancers, focusing on colon, rectal and gastric cancers.

Results: Between 1980 and 2012 there was a decline in the incidence of gastric cancer in the Jewish population; in contrast, a significant increase occurred in Arab women, but there was no significant change in Arab men. Colon cancer showed a relative decrease in incidence in the Jewish population, but an increase in the Arab population. A decrease in the incidence of rectal cancer in the Jewish population and an increase in the Arab population was observed. 

Conclusions: Gastric, colon and rectal cancers exhibit differences in incidence and outcome between Jewish and Arab populations in Israel. These differences were not observed in the other five types of less common gastrointestinal cancers.

 

July 2016
David Yardeni MD, Ori Galante MD, Lior Fuchs MD, Daniela Munteanu MD, Wilmosh Mermershtain MD, Ruthy Shaco-Levy MD and Yaniv Almog MD
June 2016
Einat Hertzberg-Bigelman MsC, Rami Barashi MD, Ran Levy PhD, Lena Cohen MSc, Jeremy Ben-Shoshan MD PhD, Gad Keren MD and Michal Entin-Meer PhD

Background: Chronic kidney disease (CKD) is often accompanied by impairment of cardiac function that may lead to major cardiac events. Erythropoietin (EPO), a kidney-produced protein, was shown to be beneficial to heart function. It was suggested that reduced EPO secretion in CKD may play a role in the initiation of heart damage. 

Objectives: To investigate molecular changes in the EPO/erythropoietin receptor (EPO-R) axis in rat cardiomyocytes using a rat model for CKD.

Methods: We established a rat model for CKD by kidney resection. Cardiac tissue sections were stained with Masson’s trichrome to assess interstitial fibrosis indicating cardiac damage. To evaluate changes in the EPO/EPO-R signaling cascade in the myocardium we measured cardiac EPO and EPO-R as well as the phosphorylation levels of STAT-5, a downstream element in this cascade.

Results: At 11 weeks after resection, animals presented severe renal failure reflected by reduced creatinine clearance, elevated blood urea nitrogen and presence of anemia. Histological analysis revealed enhanced fibrosis in cardiac sections of CKD animals compared to the sham controls. Parallel to these changes, we found that although cardiac EPO levels were similar in both groups, the expression of EPO-R and the activated form of its downstream protein STAT-5 were significantly lower in CKD animals.

Conclusions: CKD results in molecular changes in the EPO/EPO-R axis. These changes may play a role in early cardiac damage observed in the cardiorenal syndrome.

 

January 2016
Yehuda Hershkovitz MD, Hasan Kais MD, Ariel Halevy MD and Ron Lavy MD

Background: The timing of interval laparoscopic cholecystectomy continues to be a matter of debate. 

Objectives: To evaluate the best timing for performing this procedure after an episode of acute cholecystitis. 

Methods: In this retrospective analysis, we divided 213 patients into three groups based on the time that elapsed since an episode of acute cholecystitis to surgery: Group I: 1–6 weeks, Group II: 6–12 weeks, Group III: > 12 weeks. 

Results: The mean operative time ranged from 50 to 62 minutes, complication rate from 2.6% to 5.9%, conversion rate from 2.6% to 10.8%, length of hospitalization from 1.55 to 2.2 days, and the 30 day readmission rate from 2.7% to 7.9%. There were no statistically significant differences between the study groups in the primary outcome parameters.

Conclusions: Due to the lack of statistically significant differences between the groups, interval laparoscopic cholecystectomy can be performed safely and without increasing the complication rate within 6 weeks following the acute episode as well as 12 weeks after. However, a trend towards higher conversion and complication rates was observed in Group II (6–12 weeks).

 

December 2015
Ron Lavy MD, Yehuda Hershkovitz MD, Bar Chikman MD, Zahar Shapira MD, Natan Poluksht MD, Nirit Yarom MD, Judth Sandbank MD and Ariel Halevy MD
 

Background: Despite the ongoing decrease in the incidence of gastric cancer, this disease is still a major cause of death. It is still debatable whether D2 lymphadenectomy improves survival and whether this procedure should be performed routinely or selectively.


Objectives: To compare the pathological and short-term results following radical D2-type gastric resection and lymphadenectomy versus the more limited D1 type resection and lymphadenectomy.


Methods: We conducted a retrospective study on 4 years experience treating 164 patients suffering from gastric cancer. We compared the results between the group of patients who underwent a radical D2 type gastric resection and lymphadenectomy (n=100) and those of a relatively small group of patients who intentionally underwent the more limited D1 type (n=34). 


Results: The overall number of harvested lymph nodes was 9 ± 4 in the D1 group compared to 30 ± 12 (range 16–69) in the D2 group (P = 0.001). Of the 100 patients undergoing a D2 lymphadenectomy, 57% had positive nodes compared to 38% of the 34 patients in the D1 group (P = 0.045).


Conclusions: We showed statistically significant differences between D1 and D2 procedures in the overall number of harvested lymph nodes and the proportion of positive nodes to the overall number. Our results support the fact that D2 resection should be recommended as the standard approach of treatment for gastric cancer patients, ensuring a larger number of retrieved lymph nodes and a comparable rate of complications and mortality. 


 
Dan Levy Faber MD, Ronen Galili MD, Orna Nitzan MD and Erez Sharoni MD
November 2015
Ofer Levy MD, Mirit Amit-Vazina MD, Refael Segal MD and Moshe Tishler MD

Background: Pain, fatigue and functional disability are common key outcomes in most rheumatologic disorders. While many studies have assessed the outcomes of specific disease states, few have compared the outcomes of various rheumatic diseases.

Objectives: To assess how the intensity and rating of pain, fatigue and functional disability vary among groups of patients with various rheumatic disorders receiving standard care. 

Methods: In a cross-sectional study conducted in a hospital-based rheumatology unit, standard clinical and laboratory data were obtained and all patients filled out questionnaires on pain, fatigue and daily function. The analysis concentrated on visual analogue scales (VAS) using specific statistical methods.

Results: A total of 618 visits of 383 patients with inflammatory as well as non-inflammatory rheumatic disorders were analyzed. Fibromyalgia patients had significantly higher VAS scores compared to all other groups. On the other hand, patients with polymyalgia rheumatica demonstrated significantly lower VAS scores compared to all other groups of patients. Patients with psoriatic arthritis also demonstrated relatively low VAS scores. VAS scores were lower in patients with inflammatory disorders as compared to patients with non-inflammatory disorders.

Conclusions: Our results suggest a spectrum of outcome intensity in various rheumatic disorders receiving standard care, ranging from fibromyalgia patients who report distinctive severity to patients with inflammatory disorders who are doing relatively well as compared to patients with non-inflammatory disorders. The findings emphasize the need to explore the underlying mechanisms of pain and fatigue in patients with non-inflammatory rheumatic disorders. 

 

July 2015
Igor Jeroukhimov MD, Itai Zoarets MD, Itay Wiser MD, Zahar Shapira MD, Dov Abramovich MD, Vladimir Nesterenko MD and Ariel Halevy MD

Background: Trauma patients diagnosed with pancreatic duct injury (PDI) have a high complication rate and prolonged hospital stay. The role of endoscopic retrograde cholangiopancreatography (ERCP) in the diagnosis of PDI remains unclear. During the last decade, our trauma unit incorporated ERCP into the management protocol for suspected PDI cases. 

Objectives: To determine whether ERCP is a sensitive tool to detect PDI. 

Methods: This retrospective trauma patient series study assessed the diagnostic yield of ERCP in trauma cases with suspected PDI on computed tomography (CT) or intraoperatively. Between 1 January 2004 and 31 December 2011, 13 patients admitted to our medical center underwent ERCP for suspected PDI. Patient demographics, mechanism of injury, Injury Severity Score (ISS), time from injury to ERCP, and ERCP-related complications were documented and assessed. 

Results: Of the 13 patients included in the analysis, 8 stable patients with suspected PDI on CT had no leak from the main pancreatic duct on ERCP. Two of them underwent surgery for suspected pancreatic transection. ERCP confirmed a main pancreatic duct leak in three patients. Two patients underwent ERCP for suspected PDI after “damage control” surgery. No leak from the pancreatic ducts was diagnosed. No pancreas-related complications or ERCP-related complications were observed.

Conclusions: ERCP is a sensitive and relatively safe tool for the diagnosis of PDI, and its use might prevent unnecessary surgical interventions in selected trauma cases.

 

Osnat Halshtok-Neiman MD, Anat Shalmon MD, Arie Rundetsein MD, Yael Servadio MD, Michael Gotleib MD and Miri Sklair-Levy MD

Breast magnetic resonance imaging (MRI) has an important role in the detection and diagnosis of breast cancer. Suspicious findings on MRI are further evaluated with ultrasound. This case series illustrates the use of automated breast volumetric ultrasound (ABVS) as a tool for second-look ultrasound (SLUS) following MRI. Seven women underwent breast MRI with findings necessitating SLUS. ABVS was used for second look and all MRI lesions were detected. Four cancers, one fibroadenoma and two benign lesions, were diagnosed. This case series shows that ABVS can be used as a tool for SLUS following MRI and in some cases is superior to hand-held ultrasound.

February 2015
Narin N. Carmel MD, Pnina Rotman-Pikielny MD, Alexey Lavrov MD and Yair Levy MD


Background: Vitamin D is a pivotal factor in calcium homeostasis and exerts immunomodulatory effects. Hypovitamin D has been demonstrated in systemic sclerosis (SSc) patients and may be related to more severe disease of longer duration and with extensive skin involvement. 

Objectives: To seek anti-vitamin D antibodies in SSc patients, as found by previous research in patients with systemic lupus erythematosus (SLE).

Methods: The study included 54 SSc patients and 41 volunteers. Immunoglobulin (Ig) G and IgM autoantibody levels against 25(OH)D and 1,25(OH)D were obtained from patients and controls and compared. SSc patients were assessed for autoantibody profile and disease severity. 

Results: Vitamin D antibodies were present in 87% of SSc patients and 42% of controls. Higher levels of anti-25(OH)D IgM antibodies were detected in SSc patients compared to controls (0.48 ± 0.22 vs. 0.29 ± 0.29, respectively, P = 0.002); however, IgG levels were lower in the SSc patients. No such discriminative effect was found regarding anti-1,25(OH)D antibodies between SSc and controls. No correlation was found between vitamin D antibodies and other autoantibodies, disease severity, or target organ damage.

Conclusions: To the best of our knowledge, this is the first study of these novel anti-vitamin D antibodies in SSc patients and the first time a correlation between IgM 25(OH) vitamin D antibodies and scleroderma has been identified. Further research on the pathophysiological significance and therapeutic potential of vitamin D is required. 

 
January 2015
Yael Adler-Levy MD, Simcha Yagel MD, Michael Nadjari MD, Yaakov Bar-ziv MD, Natalia Simanovsky MD and Nurith Hiller MD
Background: Sonographic evaluation of congenital skeletal dysplasias is often challenging. Ultrasound may be limited in demonstrating the skeleton and may overlook specific signs of skeletal abnormality. Computed tomography (CT) with 3D reconstruction was proposed as an aid in the diagnosis of skeletal dysplasias.

Objectives: To describe our experience with 3D-CT imaging for the evaluation of suspected skeletal dysplasias.

Methods: The study group comprised 20 pregnant women carrying 22 fetuses, referred for further evaluation by CT following sonographic suspicion of fetal skeletal dysplasia at 17–39 weeks of gestation. Examinations were performed using various CT protocols. Radiation exposure was decreased during the study period, with eventual lowering of the dose to 1–3 mSv. Meticulous review of the skeleton and long bone measurements were performed on 3D reconstructions. For cases of pregnancy termination, the postmortem diagnosis was compared retrospectively with the CT findings.

Results: Very low dose CT protocols provided excellent diagnostic images. Of 22 fetuses suspected of having skeletal dysplasia on ultrasound, 8 were found by CT to be dysplastic and in 7 the pregnancy was terminated. Postmortem findings, when available, concurred with the CT diagnosis. The remaining 14 fetuses within this cohort were found to be normal according to CT and were carried to term.

Conclusions: 3D-CT may be a valuable complimentary imaging tool to ultrasound for the diagnosis of skeletal dysplasias. Using low dose protocols makes this examination relatively safe, and in the appropriate clinical context may assist in making difficult decisions prenatally.
November 2014
Joseph Menczer MD, Letizia Schreiber MD, Esther Berger PhD, Erez Ben-Shem MD, Abraham Golan MD FRCOG and Tally Levy MD

Background: Elevated serum levels of the epithelial marker CA125 are occasionally observed in leiomyosarcoma (LMS) patients.

Objectives: To assess the immunohistochemical expression of this marker in the tissue of LMS.

Methods: The consecutive unselected records of all patients with LMS diagnosed during the period 1995–2012 were located and abstracted. After verification of the diagnosis, 4 µm unstained slides were prepared from each case for immunohistochemical staining for CA125. Sections of ovarian carcinoma known to express CA125 were used as positive controls.

Results: We located 17 LMS patients from the period under study. Bleeding was the presenting symptom in 9 patients; the diagnosis was established prior to treatment in 11 patients. The tumor was in an advanced stage in 6 patients, and in 7 unstaged patients it was grossly confined to the uterus. Ten patients died within 14 months after the diagnosis. Serum CA125 levels prior to treatment were assessed in only 8 patients and were above normal limits (> 35 U/ml) in 3 of them. Two of the three with elevated serum levels were in stage III, and the third was an unstaged apparent stage I patient. None of the LMS tissue specimens demonstrated immunohistochemical expression of CA125.

Conclusions: CA125 was not immunohistochemically expressed in the tissue of any LMS tumors examined by us. The origin of elevated serum CA125 in some of these tumors is therefore not in its tissue and remains unknown. 

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