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עמוד בית
Thu, 18.07.24

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May 2008
N. Levin, D. Soffer, I. Biran, J. M. Gomori, M. Bocher, S. C. Blumen, O. Abramsky, R. Segal and A. Lossos.
March 2008
N. Shoenfeld and R.D. Strous

The biblical story of Samson may be understood at various levels and from different perspectives. Since the story of Samson in the Bible is sketchily drawn, the interpretations of the narrative are numerous. One version, according to David Grossman, a contemporary writer and liberal Israeli political activist, regards Samson critically, viewing him as a tormented individual who opts to end his life in order to end his suffering. Another version is that of Ze’ev Jabotinsky, a twentieth century author and nationalistic Jewish political activist, who regards Samson as a heroic figure exemplifying the ultimate Jewish hero who killed himself to help his people. While suicide is considered a tragic event, viewed as the outcome of an unstable state of mind from a psychopathological point of view, and a controversial issue in Judaism (as in other religions), there is value in examining how each of these authors explains the act. Since the personal and political opinions of the authors influenced their interpretations, the discussion will briefly expound on their biographies. A comparison between their two versions of the narrative will be made. A word of caution is introduced regarding the merits and demerits of artistic and creative analysis of the biblical narrative.

February 2008
O. Amir, H. Paz, R. Ammar, N. Yaniv J.E. Schliamser and B.S. Lewis
 
Background: Serum natriuretic peptide levels are useful diagnostic and prognostic markers in patients with acute decompensated heart failure, but have been little used to stratify urgency of treatment in the outpatient situation.

Objectives: To examine the use of natriuretic peptide to guide priority of patient referral to a heart failure center.

Methods: We analyzed data from 70 consecutive patients with chronic heart failure (NYHA class 2-4) referred for first evaluation in a specialized outpatient heart failure center. Serum NT-proBNP[1] was measured at the initial patient visit. We examined correlates and predictive value of mid- and upper tertile NT-proBNP for mortality in comparison with other known prognostic indicators using univariate and multivariate logistic regression analysis.

Results: Mortality at 6 months was 26.0% in patients with upper tertile (> 1958 pg/ml) NT-proBNP, 8.7% in the middle tertile group and 0% in the lowest tertile (P = 0.017). Patients with upper tertile serum NT-proBNP levels (group 3) had lower left ventricular ejection fraction, were more often in atrial fibrillation (P = 0.04) and more often had renal failure (P = 0.03). Age-adjusted logistic regression analysis identified upper tertile serum NT-proBNP level as the strongest independent predictor of 6 month mortality with a sixfold risk of early death (adjusted odds ratio 6.08, 95% confidence interval 1.58–47.13, P = 0.04). NT-proBNP was a more powerful predictor of prognosis than ejection fraction and other traditional outcome markers.

Conclusions: In heart failure patients referred to an outpatient specialized heart failure center, an upper tertile NT-proBNP level identified patients at high risk for mortality. A single high > 550 pg/ml NT-proBNP measurement appears to be useful for selecting patients for care in a heart failure center, and a level > 2000 pg/ml for assigning patients to high priority management.






[1] NT-proBNP = - N-terminal pro-brain natriuretic peptide


December 2007
I. Golan, M. Ligumsky and M. Brezis

Background: The frequency of performing percutaneous endoscopic gastrostomy in demented older people has increased in recent years. Several reports indicate flaws in the criteria for performing PEG[1] and in the decision-making process, raising concerns about the adequacy of the consent.

Objectives: To examine knowledge and attitudes of referring doctors and gastroenterologists, and to evaluate attitudes and feelings of family members concerning PEG insertion.

Methods: We conducted a survey of 72 doctors who referred 126 demented patients for PEG, as well as 126 family members and 34 gastroenterologists. Closed-ended questionnaires were designed for each study group, completed by the participants, and computer analyzed.

Results: Approximately 50% of family members expressed dissatisfaction with the decision-making process. Referring physicians reported that PEG insertion was often dictated by the need to transfer patients to a nursing home, with 50% admitting institutional pressure. Most of the referring physicians believed that PEG improved quality of life and longevity, whereas gastroenterologists did not expect an improved quality of life and thought that administrative demands should not intervene in the decision to insert PEG.

Conclusions: The decision-making process in the patient's families regarding PEG insertion for their demented relative is unsatisfactory, often takes place under pressure, and does not provide sufficient information about the procedure or its complications. Interpersonal communication between the patient's family and the medical team need to be improved and institutional demands should not play a major role in the medical decision to insert PEG. Gastroenterologists should take a more active role in the deliberations regarding PEG.






[1] PEG = percutaneous endoscopic gastrostomy


November 2007
J. Issakov, I. Jiveliouk, I. Nachmany, J. Klausner and O. Merimsky

Background: The diagnosis of gastrointestinal stromal tumors is based on documentation of c-KIT and platelet-derived growth factor-alpha receptors or specific c-KIT mutations. Before the diagnosis of GIST[1] was possible, all cases had been classified as sarcomas or benign tumors.

Objectives: To identify cases of GIST formerly diagnosed as abdominal or retroperitoneal mesenchymal tumors.

Methods: We reviewed the archive material on all surgical cases diagnosed as gastrointestinal related malignant mesenchymal tumors or GIST in our medical center during the last decade (1995–2004).

Results: Sixty-eight cases of retroperitoneal soft tissue sarcoma were identified. Thirty-eight were reconfirmed to be GIST, 19 were newly diagnosed as GIST (the hidden cases), 8 cases were re-diagnosed as mesenchymal tumors, and 3 cases of sarcoma remained sarcomas. Of all the GIST tumors, c-KIT-positive and PDGFRα[2]-positive tumors were more characteristic of primary gastric tumors, while c-KIT-positive and PDGFRα-negative tumors were found in the colorectal area. The c-KIT-negative and PDGFRα-positive cases were of gastric origin.

Conclusions: Any c-KIT-negative malignant mesenchymal mass located near the proximal gastrointestinal tract should also be stained for PDGFRα to differentiate between GIST and other soft tissue sarcomas. Practically, formerly diagnosed abdominal or retroperitoneal soft tissue sarcomas should be reviewed to identify patients with misdiagnosed GIST and thereby avoid future unnecessary and ineffective chemotherapy.

 






[1] GIST = gastrointestinal stromal tumors



[2] PDGFRα = platelet-derived growth factor-alpha


October 2007
G. Levy, L. Goldstein, A. Blachar, S. Apter, E. Barenboim, Y. Bar-Dayan, A. Shamis and E. Atar

A thorough medical inquiry is included in every aviation mishap investigation. While the gold standard of this investigation is a forensic pathology examination, numerous reports stress the important role of computed tomography in the postmortem evaluation of trauma victims. To characterize the findings identified by postmortem CT and compare its performance to conventional autopsy in victims of military aviation mishaps, we analyzed seven postmortem CT examinations. Musculoskeletal injuries accounted for 57.8% of traumatic findings, identified by postmortem CT. The most frequent findings were fractures of the rib (47%), skull (9.6%) and facial bones (8.6%). Abnormally located air accounted for 24% of findings, for which CT was superior (3.5% detected by autopsy, 100% by postmortem CT, P < 0.001).  The performance of autopsy in detecting injuries was superior (autopsy detected 85.8% of all injuries, postmortem CT detected 53.9%, P < 0.001), especially in the detection of superficial lesions (100% detected by autopsy, 10.5% by postmortem CT, P < 0.001) and solid organ injuries (100% by autopsy, 18.5% by postmortem CT, P < 0.001), and in the detection of musculoskeletal injuries (91.3% for autopsy, 90.3% for postmortem CT, P = not significant). Postmortem CT and autopsy have distinct performance profiles, and although the first cannot replace the latter it is a useful complementary examination.

M. Vainrib and I. Leibovitch

Background: Multiple primary malignancies are increasingly being detected among cancer patients. Objectives: To investigate the co-occurrence of primary bladder cancer and primary lung cancer, two established smoking-related neoplasms characteristically associated with increased risk of secondary cancers.

Methods: A retrospective search of the patient registry in our institution identified 25 patients (23 men and two women) who were diagnosed with both bladder cancer and lung cancer during the period 1990–2005. Medical records were reviewed and clinical and pathological data were extracted.

Results: In 21 patients (84%) bladder cancer was the first primary tumor and in 4 (16%) the second primary tumor. More than 90% of the patients had a history of smoking. Mean smoking exposure was 62.1 pack years (range 30–120). All bladder cancers were transitional cell carcinomas with the majority being superficial at presentation. Most lung cancers were of the non-small cell type. Second primary lung cancers were significantly more advanced at diagnosis. Overall, mean follow-up was 105.8 months (range 6–288). Seven patients (28%) were alive at the time of evaluation; 68% died of lung cancer, while none died of bladder cancer.

Conclusions: Second primary lung cancer may occur in patients with bladder carcinoma and vice versa. In view of the relatively frequent involvement of the genitourinary tract as a site of multiple primary tumors, urologists may have a key role in the detection of second primary tumors arising in the genitourinary tract, or second primary tumors that occur in patients with primary genitourinary tract malignancies.
 

August 2007
J. Zlotogora, Z. Haklai and A. Leventhal

Background: The national program for the prevention of Down syndrome includes screening (using the triple test) and invasive diagnostic tests in women at risk for a Down syndrome pregnancy. However, despite the program, the majority of Down syndrome infants are born alive (approximately 1/1000 live births)

Objectives: To determine whether the relatively high incidence of Down syndrome at birth in Israel is the result of failure of the preventive program or due to informed choices of the mothers.

Methods: We conducted a retrospective study using the national registry of Down syndrome for the years 1997 and 2004, according to the mothers' religion and place of residence and the reasons for prenatal diagnosis.

Results: Most of the babies affected with Down syndrome are born in religious or traditional conservative communities where termination of pregnancy is usually not an option.

Conclusions: In a pluralistic society like Israel with its diverse communities and dissimilar religious backgrounds and traditions, the different attitudes concerning utilization of the national program should be respected. It is necessary to tailor different approaches and solutions for the various ethnic and religious communities according to their need.
 

Click on the icon on the upper right hand side for the article by Naomi Bar-Joseph, MSc, Gad Rennert, MD, Ada Tamir, PhD, Liora Ore, MD and Gad Bar-Joseph, MD. IMAJ 2007: 8: August: 603-606

Background: In the western world, trauma is the leading cause of disability and mortality in the 1–39 years age group. Road accidents constitute the most frequent cause of mortality among children older than 1 year and falls from a height are the most frequent cause of injuries requiring hospitalization.

Objectives: To analyze the epidemiology and characteristics of severe pediatric trauma due to falls from a height in northern Israel. This analysis should aid in planning an effective intervention plan.

Methods: This observational study included all patients aged 0–14 who died or were admitted to an intensive care unit in northern Israel following a steep fall. Demographic and clinical data were collected retrospectively for 3 years and prospectively for 1 year.

Results: A total of 188 children were severely injured or died following such a fall, with an annual rate of 11.4 per 100,000 children. Over 85% of severe injuries due to falls occurred among non-Jewish children, with an incidence rate 6.36 times higher than among Jewish children (20.17 and 3.17 per 100,000 children, respectively). In the non-Jewish sector 93.7% of the falls occurred at or around the child’s home, mainly from staircases, balconies and roofs.

Conclusions: A very high incidence of severe trauma due to domestic falls from a height was found among non-Jewish children in northern Israel. Domestic falls represent an important epidemiological problem in the non-Jewish pediatric sector, and an effective prevention plan should include measures to modify parents’ attitudes towards safety issues and the creation of a safe domestic environment.
 

July 2007
R.Gofin and M.Avitzour

Background: Head injuries, especially in young children, are frequent and may cause long-lasting impairments.

Objectives: To investigate the outcome of head and other injuries caused by diverse mechanisms and of varied severity.

Methods: The population consisted of Jews and Arabs (n=792), aged 0–17 years old, hospitalized for injuries in six hospitals in Israel. Caregivers were interviewed during hospitalization regarding circumstances of the injury and sociodemographic variables. Information on injury mechanism, profile and severity, and length of hospitalization was gathered from the medical files. Five months post-injury the caregivers were interviewed by phone regarding physical limitations and stress symptoms.

 Results: Head injuries occurred in 60% of the children, and of these, 22.2% suffered traumatic brain injury with loss of consciousness (type 1). Among the rest, 22% of Jewish children and 28% of Arab children remained with at least one activity limitation, and no statistically significant differences were found among those with head or other injuries. The odds ratio for at least two stress symptoms was higher for children involved in transport-related injuries (OR[1] 2.70, 95% confidence interval 1.38–5.28) than for other mechanisms, controlling for injury profile. No association was found between stress symptoms and injury severity.

Conclusions: Most children had recovered by 5 months after the injury. Residual activity limitations were no different between those with head or with other injuries. Stress symptoms were related to transport-related injuries, but not to the presence of TBI[2] or injury severity.






[1] OR = odds ratio

[2] TBI = traumatic brain injury


Z.Shimoni, Z.Klein, P.Weiner, M.Victor Assous, and P.Froom

Background: It is not entirely clear when and how steroids should be used to treat trichinellosis.

Objectives: To describe the course of consecutive patients with trichinellosis treated with antihelminthic drugs with and without the addition of prednisone.

Methods: We extracted data from the hospital records of 30 patients hospitalized for trichinellosis contracted after eating poorly cooked pork that came from two pigs killed in the Golan Heights, and contacted them for follow-up 5–6 weeks and 6 months after hospital discharge.

Results: All the patients who attended a party and ingested the infected pork (100% attack rate) were hospitalized after 2–16 days (median 9 days); 29 were symptomatic and 1 patient without symptoms had creatine phosphokinase levels 17.9 times above the upper limit of normal. Twelve of 23 patients (52%) treated with antihelminthic drugs without prednisone were rehospitalized with worsening fever, increased peripheral blood eosinophil counts, but decreasing CPK[1] values. These patients and another seven at the time of admission were treated with prednisone 40 mg/day for 5 days in addition to antihelminthic drugs for at least 14 days. All became asymptomatic within 24 hours and were asymptomatic 6 weeks and 6 months later.

Conclusions: Worsening symptoms in patients treated with antihelminthic drugs alone is common. A short course of prednisone is safe and alleviates symptoms due to tissue larvae in patients with trichinellosis.

 






[1] CPK = creatine phosphokinase


March 2007
R.D. Strous and M.C. Edelman

Eponyms are titles of medical disorders named for individuals who originally described the condition. They also help us remember and identify the disorder. Medicine is replete with them, and changing them or eradicating them, for whatever reason, is not simple. But when there is a moral issue involved – for example, the research conducted under overwhelming unethical conditions – we believe it wrong to perpetuate and thus “reward” the memory of the individual for whom the disorder is named. The name of a syndrome should thus be discontinued if described by an individual whose research used extreme or who was involved in atrocities against humanity. Ethical considerations should be introduced into medical nosology just as they exist in patient care and research. This article details a group of notable eponyms, the names of which are associated with overt crimes of the medical community during the Nazi era, and provides alternative medical nomenclature. In addition, examples are provided of eponyms named after Nazi era victims, eponyms of those who protested such injustices, and eponyms of those who had to flee discrimination and death. These should be remembered and even strengthened, as opposed to those of the perpetrators, which should be obliterated. Since the greatest accolade a physician can earn is praise from his colleagues as expressed in an eponym entrenched in one's name, the medical profession should remove any honor given to physicians involved in crimes to humanity.

 
 

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