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עמוד בית
Mon, 25.11.24

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April 2013
T. Silberstein, A. Burg, J. Blumenfeld, B. Sheizaf, T. Tzur and O. Saphier
 Background: Breast milk is well established as the ideal source of nutrition for infants. Mature human breast milk generally contains 3.5–4.5% lipids comprising mostly triacylglycerols. In general, the fat composition of maternal human milk in developing countries shows higher levels of saturated fats, reflecting diets rich in carbohydrates.

Objectives: To determine the profile of unsaturated fatty acids in the breast milk of two populations in southern Israel, Jewish and rural tent-dwelling Bedouin women.

Methods: This study involved 48 lactating Israeli mothers, 29 Jewish and 19 Bedouin (16–20 weeks postpartum), whose full-term infants were fed exclusively with breast milk. Total milk lipid extracts were transmethylated and analyzed by using an improved gas chromatographic method.

Results: The breast milk of the Bedouin women contained significantly higher levels of total major saturated fatty acids, lauric acid and palmitic acid (45.2 ± 4.7% vs. 41.0 ± 5.6%, P = 0.005; 5.2 ± 2.1 vs. 6.8 ± 2.0%, P = 0.03; and 22.7 ± 2.4 vs. 20.6 ± 3.8%, P = 0.02) respectively. No difference was found in the myristic acid level between the groups. The level of stearic acid was significantly higher in the Jewish group compared to the Bedouin group (5.7 ± 1.1 vs. 5.1 ± 1.1%, P = 0.04). There was a linear correlation between the levels of C14:0 and C12:0 in the Bedouin and Jewish groups respectively (R = 0.87, R = 0.82, P < 0.001).

Conclusions: Higher levels of saturated fatty acids were measured in the breast milk of Bedouin women, an economically weaker population. The results emphasize the importance of diet among lactating women and its influence on milk quality. 

J.H. Spungen, R. Goldsmith, Z. Stahl and R. Reifen
 Background: Desalination of seawater and brackish water (mixed seawater and freshwater) provides an increasing portion of the Israeli drinking water supply. However, desalinated water contains little calcium (Ca) and magnesium (Mg), and consumers may be at risk for deficiencies of these essential minerals.

Objectives: To assess intakes of Mg and Ca from water, other beverages, and food in communities with different water supplies, and assess the proportion of individuals with intakes below the estimated average requirement (EAR).

Methods: Telephone interviews were conducted using a food frequency questionnaire to assess Mg and Ca intakes by adults in four communities. The proportion of individuals with Mg and Ca intakes below the EAR were evaluated based on current intakes and on potential intakes assuming that desalinated water had been introduced countrywide.

Results: The proportion of individuals with Mg intake below the EAR was higher in Kibbutz Maagan Michael (30.6%), an agricultural settlement supplied with desalinated water, than in Hadera (16.7%), a city supplied by the National Water Carrier (NWC) (P < 0.01). The proportion of individuals with Ca intake below the EAR was higher in Maagan Michael (15.3%) than in the communities supplied with water from the NWC or mixed water (27.7%–33.8%), P < 0.02.

Conclusions: Returning Mg and Ca to desalinated water may be beneficial for raising intakes in Israeli communities supplied with desalinated water. Individuals with intake of Mg and/or Ca below the EAR may be at risk for cardiac abnormalities and other medical conditions.

S. Graffi, A. Peretz, H. Jabaly and M. Naftali
March 2013
S. Luria, G. Rivkin, M. Avitzour, M. Liebergall, Y. Mintz and R. Mosheiff
 Background: Explosion injuries to the upper extremity have specific clinical characteristics that differ from injuries due to other mechanisms.

Objectives: To evaluate the upper extremity injury pattern of attacks on civilian targets, comparing bomb explosion injuries to gunshot injuries and their functional recovery using standard outcome measures.

Methods: Of 157 patients admitted to the hospital between 2000 and 2004, 72 (46%) sustained explosion injuries and 85 (54%) gunshot injuries. The trauma registry files were reviewed and the patients completed the Disabilities of Arm, Shoulder and Hand Questionnaire (DASH) and Short Form-12 (SF-12) after a minimum period of 1 year.

Results: Of the 157 patients, 72 (46%) had blast injuries and 85 (54%) had shooting injuries. The blast casualties had higher Injury Severity Scores (47% over a score of 16 vs. 22%, P = 0.02) and higher percent of patients treated in intensive care units (47% vs. 28%, P = 0.02). Although the Abbreviated Injury Scale score of the upper extremity injury was similar in the two groups, the blast casualties were found to have more bilateral and complex soft tissue injuries and were treated surgically more often. No difference was found in the SF-12 or DASH scores between the groups at follow up.  

Conclusions: The casualties with upper extremity blast injuries were more severely injured and sustained more bilateral and complex soft tissue injuries to the upper extremity. However, the rating of the local injury to the isolated limb is similar, as was the subjective functional recovery.

 

B. Knyazer, N. Bilenko, J. Levy, T. Lifshitz, N. Belfair, I. Klemperer and R. Yagev
 Background: Open globe injury (OGI) is a common cause of unilateral visual loss in all age groups.


Objectives: To describe and identify clinical characteristics, prognostic factors and visual outcome in a group of patients with OGI in southern Israel.

Methods: We conducted a retrospective review of all cases of OGI examined in the ophthalmology department at Soroka University Medical Center, Beer Sheva, Israel, from 1996 to 2005. A total of 118 eyes with OGI were detected and analyzed statistically. We recorded demographic data, cause of injury, initial visual acuity (VA), associated globe morbidity and injuries, Ocular Trauma Score (OTS), surgical procedures, postoperative complications, and final VA.

Results: The mean age of the study group was 36.1 years and included 84% males. The median follow-up was 13.3 months (range 6–66 months). The annual incidence of open globe injuries was 3.1 cases/100,000. In 84 cases (71%) the mechanism of open eye injury was laceration. Most of the injuries were work related (45%). Bilateral injury was observed in two patients. An intraocular foreign body was observed in 45 eyes (38%). Primary surgical repair was performed in 114 eyes. Six patients (5.1%) had complications with post-traumatic endophthalmitis and 12 patients (10.1%) underwent evisceration or enucleation. Clinical signs associated with poor visual outcomes included reduced initial VA, eyelid injury, and retinal detachment at presentation.

Conclusions: In our study population the most important prognostic factors in open globe injury were initial VA, eyelid injury and retinal detachment.

 

A. Elkayam, E. Peleg, E. Grossman, Z. Shabtay and Y. Sharabi
 Background: Allium sativum, the active ingredient in garlic, is known to have a beneficial effect on major cardiovascular risk factors, including dyslipidemia, blood pressure, blood glucose and insulin levels. However, the data on the significance of these effects are inconsistent due to methodological limitations, especially the use of whole garlic cloves which does not allow controlled dosing of the active compound.

Objectives: To study the effects of purified allicin on the cardiovascular system.

Methods: Spontaneously hypertensive rats treated for 6 weeks with a daily dose of 80 mg/kg/day of purified allicin added to their chow were compared to control rats that were fed regular chow. Weight, systolic blood pressure (SBP), triglycerides, cholesterol, insulin and adiponectin were measured at baseline and at the end of the study.

Results: Allicin had no effect on body weight whereas it reduced SBP significantly from 190 ± 7.5 mmHg to 168 ± 5.7 (P < 0.0001) and triglyceride levels from 96 ± 25 mg/dl to 71 ± 19 (P =0.009). Allicin had no effect on plasma cholesterol, insulin and adiponectin levels.

Conclusions: Allicin lowers blood pressure and triglyceride levels in spontaneously hypertensive rats. This effect is not mediated through weight loss.

 

February 2013
A. Jotkowitz
 Throughout history religious figures have been intimately involved in caring for the sick. Not only have they prayed for the welfare of the sick and arranged for their care but in many instances provided medical care as well. With the advent of scientific medicine, the responsibility for medical care was transferred to trained physicians. A new phenomenon has recently emerged in Israel that has threatened this ‘division of labor’ between physicians and rabbis, namely, the establishment of medical navigation organizations. Medical navigation can improve access to highly specialized care and help build trust between doctors and patients. However, this system is accompanied by numerous ethical and professional difficulties. For example, it is not clear how referrals are made and to what extent the system should be regulated. The phenomenon needs to be further studied to determine its prevalence in Israeli society as well as its impact on the practice of medicine from the perspective of both physicians and patients.

Y. Shilo, S. Efrati, Z. Simon, A. Sella, E. Gez, E. Fenig, M. Wygoda, A. Lindner, G. Fishlev, K. Stav, A. Zisman, Y.I. Siegel and D. Leibovici

 Background: Hemorrhagic radiation cystitis (HRC) is a significant clinical problem that occurs after pelvic radiation therapy and is often refractory.

Objectives: To evaluate the efficacy and safety of hyperbaric oxygen therapy (HBO) for HRC.

Methods: Daily 90 minute sessions of HBO at 2 ATM 100% oxygen were given to 32 HRC patients with American Society of Therapeutic Radiology and Oncology (ASTRO) grades 3-4 hematuria.

Results: The median age was 72.5 (48–88 years). The median time interval between radiation therapy and HBO was 4 years (1–26 years). The patients received a median of 30 HBO sessions (3–53). Hematuria resolved in 27 patients (84%) and persisted in 5. Cystectomy was required in two, and ileal-conduit and bilateral percutaneous nephrostomies were performed in one and two patients, respectively. With a median follow-up of 12 months (5–74 months), the hematuria cleared completely in 16 patients (59%) and mild hematuria requiring no further treatment recurred in 10 others. Another patient with ASTRO grade 4 hematuria needed bladder irrigation and blood transfusions. Complications included eardrum perforation in four patients and transient vertigo and mild hemoptysis in one case each. None of them required HBO discontinuation.

Conclusions: HBO controlled bleeding in 84% of the patients. A durable freedom from significant hematuria was achieved in 96% of the patients. HBO seems to be an effective and safe modality in patients with HRC.

December 2012
F. Sweet and R.M. Csapó-Sweet

Scientific journals are ethically bound to cite Professor Dr. Carl Clauberg's Nazi medical crimes against humanity whenever the eponym Clauberg is used. Modern articles still publish the eponym citing only the rabbit bioassay used in developing progesterone agonists or antagonists for birth control. Clauberg’s Nazi career is traced to his having subjected thousands of Jewish women at the Ravensbruck and Auschwitz-Birkenau death camps to cruel, murderous sterilization experiments that are enthusiastically described by incriminating letters (reproduced here) between him and the notorious Nazi Reichsführer-SS Heinrich Himmler. The experiments were carried out in women’s Block 10 in Auschwitz-Birkenau where Clauberg’s colleague Dr. Josef Mengele worked alongside. After Germany lost World War II in 1945 Mengele fled to South America, where he lived to an old age. Clauberg was caught by Russian soldiers, put on trial in the Soviet Union for his crimes against humanity, and imprisoned in 1948. In 1955 he was repatriated to Germany, once again imprisoned for his crimes, and belatedly expelled from the German Medical Association. To estimate the contemporary usage of the names Mengele and Clauberg, Internet hits were recorded for Clauberg C or Mengele J (with and without adding the term Auschwitz) with the Google and Scirus search engines. The ratios of hits for combinations of these terms reveal that relative to Mengele, Clauberg’s name is barely known. We propose that journals and books printing the eponym Clauberg cite its derivation and reference to the convicted Nazi criminal. The present article can serve for such citations.

Y. Shacham, E.Y. Birati, O. Rogovski, Y. Cogan, G. Keren and A. Roth

Background: The 20%–60% rate of acute anterior myocardial infarction (AAMI) patients with concomitant left ventricular thrombus (LVT) formation dropped to 10–20% when thrombolysis and primary percutaneous coronary intervention (PPCI) were introduced.

Objective: To test our hypothesis that prolonged anticoagulation post-PPCI will lower the LVT incidence even further.

Methods: Included in this study were all 296 inpatients with ST elevation AAMI who were treated with PPCI (from January 2006 to December 2009). Treatment included heparin anticoagulation (48 hours) followed by adjusted doses of low molecular weight heparin (3 more days). All patients underwent cardiac echocardiography on admission and at discharge. LVT and bleeding complications were reviewed and compared.

Results: LVT formation was present on the first echocardiogram in 6/296 patients. Another 8/289 patients displayed LVT only on their second echocardiogram (4.7%, 14/296). LVT patients had significantly lower LV ejection fractions than non-LVT patients at admission (P < 0.003) and at discharge (P < 0.001), and longer time to reperfusion (P = 0.168). All patients were epidemiologically and clinically similar. There were 6 bleeding episodes that required blood transfusion and 11 episodes of minor bleeding.

Conclusions: Five days of continuous anticoagulation therapy post-PPCI in inpatients with AAMI is associated with low LVT occurrence without remarkably increasing bleeding events.
 

O. Dolkart, W. Khoury, S. Avital, R. Flaishon and A.A Weinbroum

Background: Carbon dioxide is the most widely used gas to establish pneumoperitoneum during laparoscopic surgery. Gastrointestinal trauma may occur during the peritoneal insufflation or during the operative phase itself. Early diagnosis of these injuries is critical.

Objectives: To assess changes in end-tidal carbon dioxide (ETCO2) following gastric perforation during pneumoperitoneum in the rat.

Methods: Wistar rats were anesthetized, tracheotomized and mechanically ventilated with fixed minute volume. Each animal underwent a 1 cm abdominal longitudinal incision. A 0.3 x 0.3 cm cross-incision of the stomach was performed in the perforation group but not in the controls (n=10/group), and the abdomen was closed in both groups. After stabilization, CO2-induced pneumoperitoneum was established at 0, 5, 8 and 12 mmHg for 20 min periods consecutively, each followed by complete pressure relief for 5 minutes.

Results: Ventilatory pressure increased in both groups when pneumoperitoneal pressure ≥ 5 mmHg was applied, but more so in the perforated stomach group (P = 0.003). ETCO2 increased in both groups during the experiment, but less so in the perforated group (P = 0.04). It then returned to near baseline values during pressure annulation in all perforated animals but only in the 0 and 5 mmHg periods in the controls.

Conclusions: When subjected to pneumoperitoneum, ETCO2 was lower in rats with a perforated stomach than in those with an intact stomach. An abrupt decrease in ETCO2 during laparoscopy may signal gastric perforation.
 

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