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עמוד בית
Sun, 01.10.23

Search results

April 2020
Richard H.C. Zegers MD PhD

Background: In an effort to alter eye color during World War II, devout Nazi researcher Karin Magnussen had adrenaline eye drops administered to inmates at the concentration camp Auschwitz-Birkenau. A Sinti family, with a high prevalence of heterochromia iridis, was forced to participate in this study. Members of this family, as well as other victims, were later killed and had their eyes enucleated and sent to Magnussen for examination. Magnussen articulated the findings of these events in a manuscript that has never been published. The author is the first ophthalmologist to review this manuscript. The generation who experienced the atrocities of World War II will soon be gone and awareness of what happened during this tragic chapter of world history is fading.

Objectives: To describe these events to raise awareness among future generations.

Methods: A literature review and archival search was conducted.

Results: Magnussen’s research was based on an animal study published in 1937. For Magnussen’s study, adrenaline drops were administered to inmates, including a 12-year-old girl from the Sinti family. As there was a reported case of deaf-mutism within the family, Waardenburg syndrome seems to be the most plausible explanation for this family’s heritable heterochromia.

Conclusions: The effort to change eye color was doomed to fail from the beginning because there was a probable diagnosis of Waardenburg syndrome. Extinction of humans for ophthalmological research is an insane act beyond imagination. For the sake of these victims, and for the generations who still feel their pain, it is imperative to tell their stories.

January 2019
Jonathan Braun, Albert Grinshpun MD MSc, Karin Atlan MD, Sigal Sachar MD, Adi Knigen MD, Liron Yosha-Orpaz PhD, Simona Grozinsky-Glasberg MD, Tawfik Khoury MD and Dean Nachman MD
July 2017
Abid Awisat, Gleb Slobodin, Nizar Jiries, Michael Rozenbaum, Doron Rimar, Nina Boulman, Lisa Kaly, Karina Zilber, Shira Ginsberg and Itzhak Rosner
December 2016
Eli Ben-Chetrit MD, Ayman Abu Rmeileh MD, Karine Atlan MD and Eldad Ben-Chetrit MD
November 2015
Shmuel Chen MD PhD, Karine Atlan MD, Dan Gilon MD, Chaim Lotan MD and Ronen Durst MD
December 2013
Osamah Hussein, Jamal Zidan, Michael Plich, Hana Gefen, Roberto Klein, Karina Shestatski, Kamal Abu-Jabal and Reuven Zimlichman

Background: Coronary slow flow phenomenon (CSFP) is a functional and structural disease that is diagnosed by coronary angiogram.    

Objectives: To evaluate the possible association between CSFP and small artery elasticity in an effort to understand the pathogenesis of CSFP.

Methods: The study population comprised 12 patients with normal coronary arteries and CSFP and 12 with normal coronary arteries without CSFP. We measured conjugated diene formation at 234 nm during low density lipoprotein (LDL) oxidation, as well as platelet aggregation. We estimated, non-invasively, arterial elasticity parameters. Mann-Whitney non-parametric test was used to compare differences between the groups. Data are presented as mean ± standard deviation.

Results: Waist circumference was 99.2 ± 8.8 cm and 114.9 ± 10.5 cm in the normal flow and CSFP groups, respectively (P = 0.003). Four patients in the CSFP group and 1 in the normal flow group had type 2 diabetes. Area under the curve in the oral glucose tolerance test was 22% higher in the CSFP than in the normal group (P = 0.04). There was no difference in systolic and diastolic blood pressure, plasma concentrations of total cholesterol, triglycerides, high density lipoprotein, LDL and platelet aggregation parameters between the groups. Lag time required until initiation of LDL oxidation in the presence of CuSO4 was 17% longer (P = 0.02) and homocysteine fasting plasma concentration was 81% lower (P = 0.05) in the normal flow group. Large artery elasticity was the same in both groups. Small artery elasticity was 5 ± 1.5 ml/mmHgx100 in normal flow subjects and 6.1 ± 1.9 ml/mmHgx100 in the CSFP patients (P = 0.02).

Conclusions: Patients with CSFP had more metabolic derangements. Arterial stiffness was not increased in CSFP.

March 2010
K. Weiss, A. Fattal-Valevski and S. Reif

Background: Infants who have experienced an apparent life-threatening event typically undergo an extensive evaluation to rule out serious underlying conditions.

Objectives: To evaluate the yield of different tests performed after an apparent life-threatening event and to identify high risk groups in which more extensive diagnostic tests are required.

Methods: A retrospective study was conducted in a children's hospital over a 4 year period during which the charts of infants who were admitted with an apparent life-threatening event were reviewed. The yield for each diagnostic test was established according to the ratio of positive results contributing to the diagnosis of the apparent life-threatening event.

Results: The study included 69 infants between the ages of 1 week and 1 year. There were abnormal findings in 36% of the cases. Gastroesophageal reflux was the most common diagnosis (60%). In the remaining patients the diagnosis was either seizures (12%) or respiratory tract infections (28%). Tests used for the diagnosis of cardiac, metabolic and non-respiratory infections had no yield. A positive correlation was found between abnormal test results and abnormal physical examination (P = 0.001), an abnormal perinatal history (P = 0.017), and age older than 2 months (P = 0.002).

Conclusions: The yield of most of the tests performed after an apparent life-threatening event is low, especially in infants with a normal perinatal history and physical examination.

October 2006
S. Avital, H. Hermon, R. Greenberg, E. Karin and Y. Skornick
 Background: Recent data confirming the oncologic safety of laparoscopic colectomy for cancer as well as its potential benefits will likely motivate more surgeons to perform laparoscopic colorectal surgery.

Objectives: To assess factors related to the learning curve of laparoscopic colorectal surgery, such as the number of operations performed, the type of procedures, major complications, and oncologic resections.

Methods: We evaluated the data of our first 100 elective laparoscopic colorectal operations performed during a 2 year period and compared the first 50 cases with the following 50.

Results: The mean age of the study population was 66 years and 49% were males. Indications included cancer, polyps, diverticular disease, Crohn’s disease, and others, in 50%, 23%, 13%, 7% and 7% respectively. Mean operative time was 170 minutes. One patient died (massive pulmonary embolism). Significant surgical complications occurred in 10 patients (10%). Hospital stay averaged 8 days. Comparison of the first 50 procedures with the next 50 revealed a significant decrease in major surgical complications (20% vs. 0%). Mean operative time decreased from 180 to 160 minutes and hospital stay from 8.6 to 7.2 days. There was no difference in conversion rate and mean number of harvested nodes in both groups. Residents performed 8% of the operations in the first 50 cases compared with 20% in the second 50 cases. Right colectomies had shorter operative times and fewer conversions.

Conclusions: There was a significant decrease in major complications after the first 50 laparoscopic colorectal procedures. Adequate oncologic resections may be achieved early in the learning curve. Right colectomies are less difficult to perform and are recommended as initial procedures.

August 2006
I. Hartmann, K. Weiss, T. Bistritzer, S. Baram and M. Goldman
April 2006
E. Miller, Y. Barnea, A. Karin, D. Leshem, J. Weiss, L. Leider-Trejo and S. Schneebaum
March 2006
G. Tal, K. Cesar, A. Oron, S. Houri, A. Ballin and A. Mandelberg

Background: We recently published preliminary evidence on the effectiveness of hypertonic saline in infants with viral bronchiolitis.

Objective: To further establish the efficacy of nebulized hypertonic saline in these infants

Methods: In a continuing, second-year randomized, double-blind controlled trial, an additional 41 infants (age 2.6 ± 1 months) hospitalized with viral bronchiolitis were recruited during the winter of 2001–2002. The infants received inhalation of 1.5 mg epinephrine dissolved either in 4 ml normal (0.9%) saline (Group I, n=20) or 4 ml hypertonic (3%) saline (Group II, n=22). The therapy was repeated three times daily until discharge. Pooling our 2 years of experience (2000–2002), a total of 93 hospitalized infants with viral bronchiolitis were recruited; 45 were assigned to Group I and 48 to Group II.

Results: The clinical scores at baseline were 7.6 ± 0.7 for Group I vs. 7.4 ± 1.3 for Group II (P = NS). However, the clinical scores at days 1 and 2 after inhalation differed significantly between the two groups, invariably favoring Group II: 7 ± 1 vs. 6.25 ± 1.1 (P < 0.05), 6.45 ± 1 vs. 5.35 ± 1.35 (P < 0.05), respectively. Adding aerosolized 3% saline to 1.5 mg epinephrine reduced the hospitalization stay from 3.5 ± 1.7 days in Group I to 2.6 ± 1.4 in Group II (P < 0.05). The pooled data of both years revealed that adding 3% saline to the inhalation mixture decreased hospitalization stay from 3.6 ± 1.6 to 2.8 ± 1.3 days (P < 0.05).
Conclusions: This second-year experience and our 2 year pooled data analysis strengthen the evidence that the combination of 3% saline/1.5 mg epinephrine benefits hospitalized infants with viral bronchiolitis

March 2003
N. Werbin, R. Haddad, R. Greenberg, E. Karin and Y. Skornick

Background: Free bowel perforation is one of the indications for emergency surgery in Crohn’s disease. It is generally accepted that 1–3% of patients with Crohn’s disease will present with a free perforation initially or eventually in their disease course.

Objective: To evaluate the incidence and treatment results of free perforation in patients with Crohn’s disease and based on our experience to suggest recommendations.

Methods: Between 1987 and 1996, 160 patients with Crohn's disease were treated in our department and were followed for a mean period of 5 years.

Results: Of the 83 patients (52%) requiring surgical intervention, 13 (15.6%) were operated due to free perforation. The mean age of the perforated CD[1] was 33 ± 12 years and the mean duration of symptoms to surgery was 6 years. The location of the free perforation was the terminal ileum in 10 patients, the mid-ileum in 2 patients, and the left colon in 1 patient. Surgical treatment included 10 ileocecectomies, 2 segmental resections of small bowel, and resection of left colon with transverse colostomy and mucus fistula in one patient. There was no operative mortality. Postoperative hospital stay was 21 ± 12 days (range 8–55 days). All patients were followed for 10–120 months (mean 58.0 ± 36.7). Six patients (42%) required a second operation during the follow-up period.

Conclusion: The incidence of free perforation in Crohn’s disease in our experience was 15.6%. We raise the question whether surgery should be offered earlier to Crohn’s disease patients in order to lower the incidence of free perforation

[1] CD = Crohn's disease

April 2002
Jonathan Cohen, FCP (SA), Karina Chernov, RN, Ora Ben-Shimon, RN and Pierre Singer, MD
March 2001
Eliad Karin, MD, Riad Haddad, MD and Hanoch Kashtan, MD
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