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עמוד בית
Fri, 22.11.24

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April 2008
Mitchell S. Cappell

It is common knowledge that in addition to the slaughter of millions of innocent civilians, Nazism caused direct damage to patient care by euthanasia of the handicapped, gruesome human experimentation, and ethnic cleansing of German medical schools. In gastroenterology, 53 prominent academicians living in Nazi-occupied Europe were persecuted by the Nazis. Prior studies analyzed this persecution as it related to gastroenterologists rather than to patient care. What is not known, however, is that Nazi persecution led to a delay of more than one generation in the clinical application of major inventions by these gastroenterologists. These included flexible fiberoptic endoscopy, which was delayed from 1930 to 1957. Fiberoptic transmission was invented by Heinrich Lamm in 1930. Lamm was exiled from Nazi Germany in 1936, and this technique was clinically applied to endoscopy by Hirschowitz only in 1957. Another innovation was fecal occult blood testing for early colon cancer detection, which was devised by Ismar Boas before 1938. Boas committed suicide under Nazi oppression in 1938 and this modality was clinically applied by Greegor only in 1967. The acceptance of refugees from Nazi Germany or Austria into America or into the future State of Israel helped mitigate some of this damage. For example, eight eminent academic gastroenterologists who fled Nazi-occupied countries to then mandatory Palestine made major contributions to the development of academic gastroenterology in the soon-to-be established State of Israel.

November 2006
R. Segal, A. Furmanov and F. Umansky
 Background: The recent occurrence of a spontaneous intracerebral hemorrhage in Israel’s Prime Minister placed the scrutiny of local and international media on neurosurgeons as they made therapeutic decisions. In the ensuing public debate, it was suggested that extraordinary measures (surgical treatment) were undertaken only because of the celebrity of the patient.

Objectives: To evaluate the criteria used to select surgical versus medical management for SICH.

Methods: We retrospectively reviewed the files of 149 consecutive patients admitted with SICH[1] from January 2004 through January 2006 to our medical center. Their mean age was 66 (range 3–92 years), and 62% were male. SICH localization was lobar in 50% of patients, thalamus in 23%, basal ganglia in 15%, cerebellum in 13%, intraventricular in 6%, and pontine in 1%. Mean admission Glasgow Coma Score was 9 (range 3–15). Risk factors included hypertension in (74%), diabetes mellitus (34%), smoking (14%) and amyloid angiopathy (4%). Fifty percent of patients were on anticoagulant/antiplatelet therapy, including enoxaparin (3%), warfarin (7%), warfarin and aspirin (9%), or aspirin alone (34%).      

Results: Craniotomy was performed in 30% of patients, and ventriculostomy alone in 3%. Rebleed occurred in 9% of patients. Six months after the treatment 36% of operated patients were independent, 42% dependent, and 13% had died. At 6 months, 37% of non-operated patients were independent, 15% dependent, and 47% had died.

Conclusions: One-third of the SICH patients, notably those who were experiencing ongoing neurologic deterioration and had accessible hemorrhage, underwent craniotomy. The results are good, considering the inherent mortality and morbidity of SICH.


 





[1] SICH = spontaneous intracerebral hemorrhage


January 2004
October 2003
M. Boaz, S. Smetana, Z. Matas, A. Bor, I. Pinchuk, M. Fainaru, M.S. Green and D. Lichtenberg

Background: In lipid oxidation kinetics studies, prevalent cardiovascular disease has been associated with shortened lag phase, the length of time preceding the onset of oxidation.

Objectives: To examine, in vitro, copper-induced lipid oxidation kinetics in unfractionated serum from hemodialysis patients and to determine differences in kinetic parameters between patients with and without a history of CVD[1].

Methods: Of the 76 patients enrolled in a study of oxidative stress in hemodialysis (44/76 with prevalent CVD, 53/76 males), 9 males with a history of myocardial infarction were selected and matched for age, diabetes and smoking status with 9 males from the non-CVD group. The kinetics of lipid oxidation was studied. Blood chemistry determinations including serum lipids, lipoproteins, hemostatic factors and serum malondialdehyde were obtained. Variables were compared using the t-test for independent samples with history of MI[2] entered as the categorical variable.

Results: Tmax, the oxidation kinetic parameter defined as the time at which the rate of absorbing product accumulation was maximal, was significantly shorter in dialysis patients with a history of MI than in those without (115.2 ± 38.5 vs. 162.7 ± 48.9 minutes, P = 0.04). Further, Tmax and MDA[3] were negatively correlated to one another (r = -0.47, P = 0.04). Odds ratios indicate that each 1 minute increase in Tmax was associated with a 3% decrease in odds that a subject had a history of MI.

Conclusions: These findings indicate the presence of increased oxidative stress in hemodialysis patients with a history of MI.






[1] CVD = cardiovascular disease



[2] MI = myocardial infarction



[3] MDA = malondialdehyde


January 2003
D. Rinkevich, J. Lessick, D. Mutlak, W. Markiewicz and S.A. Reisner

Background: With the introduction of surgery and percutaneous balloon valvuloplasty for relieving severe mitral stenosis the natural history of the disease has markedly altered.

Objectives: To determine the natural history of patients with moderate mitral valve stenosis.

Methods: Demographic, clinical and echocardiographic data were evaluated in 36 patients with moderate mitral stenosis during a follow-up of 71 ± 15 months.

Results: The 36 patients comprised 32 women and 4 men with a mean age of 43.7 ± 12.2 years; 28 were Jewish and 8 were of Arab origin. During follow-up, there was a significant decrease in mitral valve area, with an increase in mean mitral valve gradient and score. Mean loss of mitral valve area was 0.04 ± 0.11 cm2/year. No correlation was found between disease progression and age, past mitral valve commissurotomy, baseline mean gradient or mitral valve score. Larger baseline mitral valve area (P = 0.007) and Arab origin (P = 0.03) had an independent correlation to loss of mitral valve area. Fifteen patients (42%) did demonstrate any loss in mitral valve area during the follow-up period.

Conclusions: The rate of mitral valve narrowing in patients with moderate mitral stenosis is variable and cannot be predicted by patient’s age, past commissurotomy, valve score or gradient. Secondly, larger baseline mitral valve area and Arab origin showed an independent correlation to loss of mitral valve area; and finally, in many patients valve area did not change over a long observation period.
 

October 2002
Yehuda Neumark, PhD, Yechiel Friedlander, PhD and Rachel Bar-Hamburger, PhD

Background: Various studies support the concept of an inherited vulnerability to drug dependency, while emphasizing the importance of social and environmental influences and their interactions

Objectives: To compare the characteristics of heroin-dependent Jewish men in Israel with those of the general population, focusing on the nature of family history of substance abuse.

Method: This case-control study compares 64 heroin-dependent Jewish male residents of Jerusalem with a community sample of 131 randomly selected Jerusalem residents with no drug use disorder. Univariate and mulbvariate moderns were employed to appraise the independent associations between heroin dependence and exposure variables such as family history of substance misuse and exposure to legal psychoactive substances.

Results: The case group is characterized by heavy tobacco and' alcohol involvement. Nearly 70% of the cases report an alcohol and/or drug problem in at least one first-degree relative compared with 10% of controls (odds ratio 14.5, adjusted for sociodemographic and other potential confounders). Cases with a positive family history have, on average, higher alcohol consumption levels and higher heroin-use severity scores, as compared with cases with no such history.

Conclusions: Familial aggregation of drug and alcohol problems, along with smoking at a young age, is the strongest predictor of heroin dependence in this population. Better understanding of the components underlying this familial aggregation can lead to improved prevention and treatment strategies.
 

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