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עמוד בית
Wed, 19.06.24

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July 2022
Gal Peleg MD, Ilaria Sterbizzi M. Psych PhD, Roni Peleg MD, and Yulia Treister-Goltzman MD MPH

Background: Anorexia nervosa (AN) is a severe psychiatric disease that is refractory to treatment. To date, there is no effective pharmacological therapy and existing psychotherapy treatment is only partially effective. In neuropsychological terms, AN is characterized by cognitive inflexibility and an overly detailed processing style. Creating artwork and drawing requires integrative thinking that encompasses the big picture.

Objectives: To describe preliminary observations of drawing treatment modality based on precise scientific drawing.

Methods: The artwork method is based on the classic work by squares and on additional techniques from scientific drawing. The method was developed and implemented in a sheltered home for patients with eating disorders in Parma, Italy. Five patients, four women and one man, agreed to participate in a 10-session workshop as a part of multidisciplinary intervention. The ages of participants were 17–28 years and all had presented with AN for several years.

Results: Using the method of copying drawings on squares made it possible to identify features that were common to all the patients, such as focusing on the external form of the drawing rather than on the internal details, exerting strong pressure on the pencil without consideration of the need for future corrections, drawing distorted perceptions of curves, and the adding of significant volume.

Conclusions: Precise scientific drawing could be a useful instrument in the understanding and correction of a patient’s distorted world and self-perspective. More evidence could be provided by further studies with a larger sample and a control group.

February 2022
December 2019
Tali Samson MSW PhD, Roni Peleg MD, Aya Biderman MD and Yan Press MD

Background: The use of graphic depictions (pictorials) to represent medical conditions is an accepted method that can complement standard methodology of comprehensive geriatric assessment.

Objectives: To use the clinical pathway method to develop a comprehensive geriatric genogram assessment tool (CGGAT), which could supplement the written summary letter and recommendations.

Methods: We used the critical paths method to develop a tool to facilitate implementation of the comprehensive geriatric assessment recommendations. A multidisciplinary group of clinicians used the critical pathways method to develop a CGGAT.

Results: We used the CGGAT to depict the physical and functional status of patients and to complement the textual historical information, family dynamics, and current patient issues. CGGAT is a simple instrument that provides a visual structure and it can facilitate the sharing of information among team members, encourage interdisciplinary dialogue, enhance understanding and adherence on the part of patients and professionals, and reduce the burden on the clinicians who conduct the initial comprehensive geriatric assessment.

Conclusions: We showed the benefits and obstacles related to the adaptation of this new tool and provide recommendations for further development. 

August 2019
Yulia Treister-Goltzman MD and Roni Peleg MD

The Bedouins living in southern Israel are a Muslim-Arab population that is transitioning from a nomadic lifestyle to life in permanent settlements. The population has unique characteristics that could affect hemoglobin A1c (HbA1c) measurements. The objective of this study was to describe the socio-demographic and unique morbidity characteristics of this community and their effect on HbA1c measurements. Consanguinity, especially among cousins in the Bedouin population, results in a high prevalence of autosomal recessive genetic diseases such as thalassemia (underestimate of HbA1c), hemoglobinopathies (underestimate and overestimate), Gilbert’s disease, and glucose-6-phosphate dehydrogenase deficiency, an X-linked disorder, which can cause hyperbilirubinemia with an overestimate of HbA1c. Furthermore, nutritional deficiencies, autosomal recessive diseases, high birth rates, parasitic infections, and poverty can all cause high rates of anemia (iron and vitamin B12 deficiencies) that can raise HbA1c levels. Congenital dyserythropoietic anemia is found among Bedouin tribes in the Negev region and can lead to an underestimation of HbA1c levels. Pregnancy can also affect HbA1c levels. Medical teams working in the Bedouin community and in other Muslim populations with similar morbidity characteristics throughout the world should identify patients with medical conditions that can affect HbA1c measurements and be aware of possible measurement alternatives such as fructosamine and glycated albumin.

March 2019
Michael Rozenfeld MA, Kobi Peleg PhD MPH, Adi Givon BSc, Israeli Trauma Group and Boris Kessel MD

Background: Although women comprise only a minority of patients hospitalized due to violence-related injury, the circumstances of attacks against women may make their injuries more severe.

Methods: We conducted a retrospective study using data of 9173 patients with stabbing-related injuries from 19 trauma centers participating in the Israeli National Trauma Registry between 1 January 1997 and 31 December 2014. Male and female patients were compared in terms of demographic and circumstantial factors, clinical characteristics, and outcomes.

Results: Women were found to have greater injury severity according to the Injury Severity Scale (ISS) – 18% vs. 11% of severe (ISS 16+) injuries – requiring more hospital resources. Injuries that contributed most to injury severity in the female population were head and severe abdominal trauma. Women also sustained injuries to more body sites than men; however, regression analysis showed that the contribution of this factor to the overall difference in injury severity was less important than the injured sites. Regression analysis among severely injured patients pointed at injury to lower extremities as an independent factor related to female mortality. Different from men, among women the stabbing injuries to the upper extremities were not a protective factor in terms of mortality.

Conclusions: There are significant differences in the injury profiles of male and female stabbing victims, which can be explained by the different circumstances of the injury event.

May 2018
David Peleg MD, Yechiel Z. Burke MD, Ido Solt MD and Menachem Fisher MD

Cesarean section has undergone a transformation that has radically changed the prognosis of both the pregnant woman and her unborn child. The attributed mortality rate of Cesarean section during the 19th century was over 50% worldwide. Today, mortality from Cesarean delivery is rare. However, the technique of transversely incising the uterus in its lower uterine segment, although less than a century old, is passed on from instructor to apprentice, often without either of them being aware of its noble history. In this brief review, we discuss the reported history regarding this incision and the significant role played by John Munro Kerr.

May 2017
Marina Leitman MD, Vladimir Tyomkin MSc, Eli Peleg MD, Therese Fuchs MD, Ziad Gabara MD and Zvi Vered MD FACC FESC

Background: In recent years cardioversion of atrial fibrillation has become a routine procedure, enabling symptomatic functional improvement in most cases. However, some patients develop complications after cardioversion. Identifying these individuals is an important step toward improving patient outcome.

Objectives: To characterize those patients who may not benefit from cardioversion or who may develop complications following cardioversion.

Methods: We retrospectively analyzed 186 episodes of cardioversion in 163 patients with atrial fibrillation who were admitted to our cardiology department between 2008 and 2013 based on their clinical and echocardiographic data. Patients were divided into two groups: those with uncomplicated cardioversion, and those who developed complications after cardioversion.

Results: Of the 186 episodes, cardioversion was done in 112 men (60%) and 74 women (40%), P < 0.00001. Complications after cardioversion occurred in 25 patients (13%). These patients were generally older (72 vs. 65 years, P < 0.01), were more often diabetic (52% vs. 27%, P = 0.005), had undergone emergency cardioversion (64% vs. 40%, P = 0.01), had left ventricular hypertrophy (left ventricular mass 260 vs. 218 g, P = 0.01), had larger left atrium (left atrial volume 128 vs. 102 ml, P < 0.009), and more often died from complications of cardioversion (48% vs. 16%). They had significant mitral regurgitation (20% vs. 4%, P = 0.03) and higher pulmonary artery pressure (50 vs. 42 mm Hg, P < 0.02).

Conclusions: People with complications after cardioversion tend to be older, are more often diabetic and more often have severe mitral regurgitation. In these patients, the decision to perform cardioversion should consider the possibility of complications.

January 2017
David Peleg MD, Gad Azogui MD, Sahar Heib MD and Inbar Ben Shachar MD
December 2016
Roni Peleg MD and Yulia Treister-Goltzman MD
July 2016
Marina Leitman MD, Eli Peleg MD, Ruthie Shmueli and Zvi Vered MD FACC FESC

Background: The search for the presence of vegetations in patients with suspected infective endocarditis is a major indication for trans-esophageal echocardiographic (TEE) examinations. Advances in harmonic imaging and ongoing improvement in modern echocardiographic systems allow adequate quality of diagnostic images in most patients.

Objectives: To investigate whether TEE examinations are always necessary for the assessment of patients with suspected infective endocarditis. 

Methods: During 2012–2014 230 trans-thoracic echo (TTE) exams in patients with suspected infective endocarditis were performed at our center. Demographic, epidemiological, clinical and echocardiographic data were collected and analyzed, and the final clinical diagnosis and outcome were determined. 

Results: Of 230 patients, 24 had definite infective endocarditis by clinical assessment. TEE examination was undertaken in 76 of the 230 patients based on the clinical decision of the attending physician. All TTE exams were classified as: (i) positive, i.e., vegetations present; (ii) clearly negative; or (iii) non-conclusive. Of the 92 with clearly negative TTE exams, 20 underwent TEE and all were negative. All clearly negative patients had native valves, adequate quality images, and in all 92 the final diagnosis was not infective endocarditis. Thus, the negative predictive value of a clearly negative TTE examination was 100%.

Conclusions: In patients with native cardiac valves referred for evaluation for infective endocarditis, an adequate quality TTE with clearly negative examination may be sufficient for the diagnosis.

 

May 2016
Yulia Treister-Goltzman MD and Roni Peleg MD

There has been a dramatic increase in the number of female physicians in all fields and specializations of medicine, but this increase has not resulted in a redistribution of domestic tasks and responsibilities. Reviewing the literature of the last two decades (April 1994 to April 2014) on how female physicians cope with the challenge of balancing their family and professional lives for the duration of their professional careers revealed that they suffer from the work-family conflict more than other professionals and that it has a more negative effect on women than on men. Women physicians consider work-family balance significantly when making career choices. These considerations affect their career success, their productivity as faculty members, their marital life, and parenthood. Having a supportive spouse at home and a facilitating mentor at work are important for a positive work-family balance among female physicians. Special career-supporting measures, such as flexible work schedules and expanded support for childcare over the course of work and when taking part in academic activities, are critical for female physicians.

January 2016
Yan Press MD and Roni Peleg MD
November 2015
Roni Peleg MD and Yulia Treister-Goltzman MD
September 2015
Uri Yoel MD, Jacob Gopas PhD, Janet Ozer PhD, Roni Peleg MD and Pesach Shvartzman MD

Background: In recent years several reports have been published describing dogs’ ability to detect, by scent, patients with cancer. This ability is based on the sniffing of volatile organic elements that are secreted by malignant cells, react to them. 

Objectives: To evaluate the ability of trained dogs to detect (i) breast cancer cell cultures (MCF7) compared to the control pseudo-normal keratinocyte cell line (HaCaT), and then (ii) melanoma (BG) and (iii) type 2 epithelial lung carcinoma (A549) malignant cell cultures to which they were not previously exposed in the course of their training.

Methods: Cell cultures were prepared in a standard manner. Two Belgian Shepherd dogs were trained and then tested in a single-blind test (for dogs and trainers) on their ability to detect the "target specimen," a MCF7 breast cancer cell culture. Following this, the ability of the dogs to detect cancer cell cultures that they were not previously exposed to (i.e., A549, BG) was tested. In each test round, four specimens placed in identical blocks were arranged in a line with one meter between them: one target specimen (MCF7, A549, BG), two control specimens (HaCaT), and a sample containing cell culture medium only.

Results: The two dogs picked out all the target specimens of MCF7 breast cancer cell cultures that they were trained to detect (10/10) as well as all the target specimens that they were not previously exposed to [A549 (5/5) and BG (5/5)], but did not pick out the control specimens or the cell culture medium. Thus, the sensitivity, specificity, and positive and negative predictive values for both dogs were 100%.

Conclusions: The results of this study support the assumption that cancer cells have a unique odor pattern, and that this odor pattern is common to different types of cancer.

 

November 2014
Silvia Bronstein MSc, Mazal Karpati PhD and Leah Peleg PhD

Background: Gaucher disease is the most prevalent inherited disorder among Ashkenazi Jews (carrier frequency of about 6%) and six mutations account for about 96% of their mutant alleles. Two mutations, N370S and R496H, have been reported only in mildly affected or asymptomatic patients, Due to the rarity of R496H, it was recommended that it be excluded from screening programs. 

Objectives: To verify the frequency and trace the origin of Gaucher mutations in screened individuals whose Ashkenazi ethnicity was confirmed by the birthplace of their grandparents.

Methods: We conducted a retrospective analysis of the screened results for the period 2006–2011. Mutations were identified by restriction analysis, Tag-ItTM detection system, Pronto® diagnostic kit and Nanogen technology (NanoChip® 400).

Results: The heterozygote frequency of eight mutations was estimated in a cohort of 16,910 alleles. Two mutations, N370S and R496H, were the most frequent in our population. However, while the occurrence of N370S carriers was similar to other reports (1:19.4), that of R496H carriers was considerably elevated (1:207). Examination of the screened individuals' ethnicity showed a significant difference in the distribution pattern of the country of origin between the carriers of these two mutations.

Conclusions: The origin pattern differences between the two groups of heterozygotes might reflect a separate geographic region of introduction for various mutations. As a result, secondary subgroups could be formed within the Ashkenazi population. This might clarify the dissimilarities in the occurrence of R496H mutation reported by various centers. 

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