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עמוד בית
Tue, 04.10.22

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December 2021
Noa Avni-Zauberman MD, Barequet S Avni-Zauberma MD, Alon Weissman MD, Juliana Gildener-Leapman MD, Orit Ezra Nimni MD, Yoav Berger MD, and Ofira Zloto MD

Background: Keratoconus is a non-inflammatory disease characterized by progressive corneal steepening, which leads to decreased visual acuity secondary to high irregular astigmatism.

Objectives: To compare the one-year outcomes of accelerated vs. standard collagen crosslinking (CXL) in the treatment of keratoconus.

Methods: A database search of patients who underwent CXL from 2009 to 2017 was conducted at the cornea clinic at Sheba Medical Center. Charts of 99 adult patients (124 eyes) were reviewed. All patients were diagnosed with keratoconus. Main outcome measures were change in keratometry, uncorrected visual acuity (UCVA), and best-corrected visual acuity (BCVA).

Results: We evaluated outcomes in two groups: CXL with standard (3 mW/cm2 for 30 minutes) vs. the accelerated (9 mW/cm2 for 10 minutes) protocol. There were no significant differences between the groups with regard to BCVA, UCVA, and mean spherical equivalent (P =0.83, 0.0519, 0.181, respectively). The corneal thickness in the center and thinnest location were higher in the accelerated group than the in the standard group (P = 0.126). Complication rates did not differ between the two groups.

Conclusions: Accelerated and standard CXL are both safe and effective techniques. Accelerated CXL confers the added benefit of being a faster procedure to both patients and surgeons.

January 2020
Alina Weissmann-Brenner MD, Anna Mitlin MD, Chen Hoffman MD, Reuven Achiron MD, Yishai Salem MD and Eldad Katorza MD

Background: Congenital heart defects (CHD) may be associated with neurodevelopmental abnormalities mainly due to brain hypoperfusion. This defect is attributed to the major cardiac operations these children underwent, but also to hemodynamic instability during fetal life. Advances in imaging techniques have identified changes in brain magnetic resonance imaging (MRI)in children with CHD.

Objectives: To examine the correlation between CHD and brain injury using fetal brain MRI.

Methods: We evaluated 46 fetuses diagnosed with CHD who underwent brain MRI. CHD was classified according to in situs anomalies, 4 chamber view (4CV), outflow tracts, arches, and veins as well as cyanotic or complex CHD. We compared MRI results of different classes of CHD and CHD fetuses to a control group of 113 healthy brain MRI examinations.

Results: No significant differences were found in brain pathologies among different classifications of CHD. The anteroposterior percentile of the vermis was significantly smaller in fetuses with abnormal 4CV. A significantly higher biparietal diameter was found in fetuses with abnormal arches. A significantly smaller transcerebellar diameter was found in fetuses with abnormal veins. Compared to the control group, significant differences were found in overall brain pathology in cortex abnormalities and in extra axial findings in the study group. Significantly higher rates of overall brain pathologies, ventricle pathologies, cortex pathologies, and biometrical parameters were found in the cyanotic group compared to the complex group and to the control group.

Conclusions: Fetuses with CHD demonstrate findings in brain MRI that suggest an in utero pathogenesis of the neurological and cognitive anomalies found during child development.

January 2016
Josef Haik MD MPH, Stav Brown, Alon Liran MD, Oren Weissman MD, Batia Yaffe MD, Avraham Rivkind MD, Shai Efrati MD, Eyal Winkler MD and Yoram Epstein PhD
December 2013
Arie Drugan, Irena Ulanovsky, Yechiel Burke, Shraga Blazer and Amir Weissman
 Background: Reduction of fetal number has been offered in high order multiple gestations but is still controversial in triplets. Since recent advances in neonatal and obstetric care have greatly improved outcome, the benefits of multifetal pregnancy reduction (MFPR) may no longer exist in triplet gestations.

Objectives: To evaluate if fetal reduction of triplets to twins improves outcome.

Methods: We analyzed the outcome of 80 triplet gestations cared for at Rambam Health Care Campus in the last decade; 34 families decided to continue the pregnancy as triplets and 46 opted for MFPR to twins.

Results: The mean gestational age at delivery was 32.3 weeks for triplets and 35.6 weeks for twins after MFPR. Severe prematurity (delivery before 32 gestational weeks) was experienced in 37.5% of triplets and in 7% of twins. Consequently, the rate of severe neonatal morbidity (respiratory distress syndrome, bronchopulmonary dysplasia, intraventricular hemorrhage) and of neonatal death was significantly higher in unreduced triplets, as was the length of hospitalization in the neonatal intensive care unit (31.4 vs. 15.7, respectively). Overall, the likelihood of a family with triplets to take home all three neonates was 80%; the likelihood to take home three healthy babies was 71.5%.

Conclusions: MFPR reduces the risk of severe prematurity and the neonatal morbidity of triplets. A secondary benefit is the reduction of cost of care per survivor. Our results indicate that MFPR should be offered in triplet gestations.

April 2006
C. Weissman, L.A. Eidelman, R. Pizov, I. Matot, N. Klein and R. Cohn

Background: Anesthesiology is a vital specialty that permits the safe and humane performance of painful procedures. Most Israeli anesthesiologist are immigrants, while only a minimal number of Israeli medical school graduates enter the specialty. Unfortunately, the supply of immigrant physicians is declining due to falling immigration rates.

Objectives: To examine the current Israeli anesthesiology workforce and project future needs.

Methods: Demographic and professional information about Israeli hospital anesthesiologists was solicited from anesthesiology department heads. Data were also gathered about the past, present and projected future growth, age distribution and birth rate of the Israeli population. Needs and demand-based analyses were used to project future anesthesiology workforce requirements.

Results: Data about 711 anesthesiologists were obtained from 30 hospital anesthesiology department heads. Eighty-seven anesthesiologists (12.2%) graduated from Israeli medical schools and 459 (64.6%) graduated from medical schools in the former Soviet Union. Among the 154 anesthesiology residents were ≤ 40 years old, and only 13 (8.4%) graduated from Israeli medical schools There are approximately 10.8 anesthesiologists per 100,000 population. Projections for 2005–2015 revealed a need for 250–300 new anesthesiologists.
Conclusions: The anesthesiology workforce is predominantly composed of immigrants. This has vast implications for the future viability of the specialty because of the continuing reduction in immigration, the lack of interest in the specialty by Israeli medical school graduates, and the projected need for many new anesthesiologists to replace retirees and to provide care to a growing and aging population

August 2003
O. Goldstick, A. Weissman and A. Drugan

Background: Even operative deliveries defined as “urgent” show marked diurnal variation with a significant increase during regular working hours.

Objective: To investigate the diurnal variation of urgent operative deliveries and its potential implications on the outcome of newborns.

Methods: We conducted a retrospective study of all deliveries in a public hospital from 1 January 1990 to 31 December 1998. Delivery mode variables analyzed were spontaneous vaginal delivery, urgent cesarean section and operative vaginal delivery. Deliveries were stratified hourly throughout the day. The rate of operative deliveries was calculated and the analysis was then performed according to the daily routine shifts of the medical staff. Birth weight and Apgar scores at 1 and 5 minutes were retrieved as outcome measures.

Results: The rate of urgent cesarean deliveries increased significantly between 8 a.m. and 2 p.m. (150%–230%) from that predicted. The lowest rate of urgent cesarean sections was found between 5 a.m. and 6 a.m. (5.3%). Mean birth weight in spontaneous deliveries was higher in the morning hours than during the night shift (3,293 ± 520 g vs. 3,277 ± 510 g, respectively, P < 0.005). Apgar scores of newborns delivered by urgent cesarean section during the morning were higher compared to those delivered during night shifts and the rate of low Apgar scores was lower in the morning than in evening and night shifts.

Conclusions: Our results indicate a marked diurnal variation in urgent operative deliveries, caused perhaps by varying definition of “urgency” according to the time of day.
 

July 2002
Alina Weissman-Brenner, MD, Avi David, Avi Vidan, MD and Ariel Hourvitz, MD

Background: Organophosphates (OP) are frequently used as insecticides in the household and in agricultural areas, thus posing a risk for accidental exposure.

Objectives: To describe the characteristics, clinical course and outcome of 97 patients admitted to emergency rooms with a diagnosis of acute OP poisoning.

Methods: The clinical details of 97 patients were collected from 6 different hospitals in Israel. Diagnosis of intoxication was based on clinical findings, butyrylcholinesterase levels and, in several cases, the material brought to the hospital. Demographic, intoxication and clinical data were analyzed.

Results: The study group comprised 64 men and 33 women whose age range was 1–70 years old (mean 19.8 ± 17.1); more than one-third of the patients were less than 10 years old. Accidental exposure was the cause of intoxication in 51.5% of the patients, and suicide in 20.6% of exposures. Intoxication occurred at home in most patients (67%), and the route of intoxication was oral in 65% of them. The patients arrived at the hospital 20 minutes to 72 hours after intoxication. Nine patients were asymptomatic; 53 presented with mild intoxication, 22 with moderate, and 13 had severe intoxication, 5 of whom died. There was a direct correlation between the degree of inhibition of butyrylcholinesterase levels and the severity of intoxication. Treatment included decontamination and antidotal medication. Duration of hospitalization ranged between 1 and to 14 days (average 2.9 days).

Conclusions: Organophosphates may cause severe morbidity and mortality. Medical staff should therefore be aware of the clinical manifestations and the antidotal treatment for this poisoning.
 

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