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עמוד בית
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June 2023
Achia Nemet MD, Ofira Zloto MD, Or Segev MD, Ido Didi Fabian MD, Iris Moroz MD, Vicktoria Vishnevskia-Dai MD

The prevalence of choroidal nevi associated with choroidal neovascular membrane (CNV) is estimated to range between 0.58% and 8.6% [1]. The pathogenesis of CNV is not completely understood. Researchers have suggested that damage caused to the choroid capillaries above the nevi affects the overlying retinal pigment epithelium and triggers production of angiogenic factors that, in turn, cause the development of CNV [2,3]. Hypoxia and inflammation may be involved in the process. Data have been inconsistent with both theories [4].

March 2023
Ofira Zloto MD, Irit Barequet MD, Orit Ezra Nimni MD, Yoav Berger MD, Juliana Gildener-Leapman MD, Gal Antman MD, Noa Avni-Zauberman MD

Background: The cornea is one of the most densely innervated in the body. Pterygium surgery includes removal of the pterygium tissue from the cornea and conjunctiva followed by autologous conjunctival grafting.

Objectives: To examine the change in corneal and conjunctival sensation post-pterygium surgery.

Methods: This prospective study included patients with primary pterygium. We collected and analyzed demographic data, visual acuity (VA), refraction, quantified sensation, and corneal tomography. Comparison in sensation in the cornea, conjunctiva, and conjunctival autograft was recorded the day of surgery and at least 6 months postoperatively.

Results: Nine patients participated in the study. Mean follow-up time was 9 months (9 ± 3.3, 6–12.4). No complications were documented during or following surgery and no recurrences were found. Statistically significant increases in corneal sensation in the nasal corneal and in the nasal conjunctival areas were noted by the end of follow-up compared to before surgery (P = 0.05, paired samples t-test). There was a significant correlation between the increase in nasal corneal and conjunctival sensation with improved Schirmer testing outcomes and tear break-up time after surgery (P = 0.05, P = 0.01, Pearson correlation). There was a positive correlation between the changes in nasal corneal sensation after surgery and improved changes in VA (P = 0.02, Pearson correlation).

Conclusions: We found improvement in sensation 9 months after pterygium surgery, which may be due to reinnervation of the cornea and conjunctival autograft from the neighboring non-injured nerve fibers. Larger studies with confocal microscopy should be conducted for further analysis.

October 2022
Shaden Nashashibi, MD, Ofir Priesler, MD, Uriel Levinger, MD, George Habib, MD MPH

The coronavirus disease 2019 (COVID-19) pandemic has resulted in more than four million deaths globally. In addition to the lower respiratory system, a wide range of major organ injuries have been reported among patients infected with COVID-19. These injuries include cardiac involvement. The spectrum of cardiac manifestations includes cardiac injury, heart failure, cardiogenic shock, acute coronary syndrome, myocarditis, tachyarrhythmias, and bradyarrhythmia [1]. Different degrees of atrioventricular blocks have been reported [2].

The pathogenesis of these complications is not fully understood. Differentmechanisms are proposed, including direct myocyte injury, interstitial inflammation and fibrosis, cytokine storm, plaque destabilization, and and/or hypoxia [3]. Many countries have worked toward mass vaccination using the Pfizer BioNTech (BNT162b2) COVID-19 vaccine, including Israel. We report a case of high degree atrioventricular block (AVB) following vaccination with the COVID-19 BNT162b2 vaccine.

Ofira Zloto, M.D., Oded Sagiv, M.D., Ayelet Priel, M.D., Tali Cukierman-Yaffe, M.D., Amir Tirosh, M.D. , Nancy Agmon-Levin, M.D., Shiran Madgar, M.D., Tal Serlin, M.D., Halit Winter, M.D. Ruth Huna-Baron, M.D., Tamara Wygnanski-Jaffe, M.D., Guy Ben Simon, M.D.

Background: Little is known about the success of multidisciplinary thyroid eye disease (TED) clinic.

Objectives: To present the characteristics, treatments, and outcomes of patients treated in a multidisciplinary TED clinic.

Methods: A medical record review of all patients who attended a TED clinic was performed. Data included demographics, medical history, laboratory tests, visual function tests, ocular examinations, clinical activity score (CAS), and assessment of quality-of-life (QOL).

Results: Clinic visits included 132 patients seen during 385 appointments at a TED clinic (mean 12 appointments per patient). Management of TED included medical treatments for 48 patients (36.3%) and surgical treatment for 56 (42.4%). There was a positive significant correlation between the CAS and thyroid-stimulating immunoglobulin (TSI) activity at the first visit and at the last follow-up visit (P < 0.01 and P < 0.02, respectively). However, no correlation was found between the CAS and the thyroid-stimulating hormone levels or between the free triiodothyronine (fT3) and fT4 levels at the first or last visit. There was a significant negative correlation between the CAS and color vision (-0.347, P < 0.01, Pearson correlation) at the first visit, but not between the CAS and visual acuity and visual field at either the first or last visit. Changes in the QOL and the CAS scores were significantly negatively correlated (-0.240, P < 0.01).

Conclusions: Treatment and management decisions for TED should be based on multiple parameters including clinical examinations by ophthalmologists and endocrinologists, laboratory tests, and CAS and QOL scores.

August 2022
Daphna Landau Prat MD, Shira Sandbank MD, Tal Davidy MD, Ofira Zloto MD, and Guy J. Ben Simon MD

Background: Upper eyelid blepharoplasty surgery is one of the most common plastic surgeries. Khat is used topically to reduce tissue edema.

Objectives: To evaluate the effect of topical khat administration after eyelid surgery on postoperative healing.

Methods: Our prospective comparative study included 24 patients who underwent upper eyelid blepharoplasty or ptosis surgery between 2019 and 2020. Patients were randomly assigned to 48 hours of cold dressing with frozen khat leaves and frozen peas dressing (common practice). Postoperative photographs of the eyes were evaluated for the degree of ecchymosis and edema on postoperative days (PODs) 1, 3, and 7 by three blinded observers. Measures included tissue swelling and hemorrhage on PODs 1, 3, and 7.

Results: The mean age of the cohort was 67 ± 7 years; 17 females (71%). Khat application was associated with lower postoperative ecchymosis at each time point. Females had lower levels of postoperative ecchymosis on POD 7 (P = 0.07). Eyelid edema was more pronounced in the khat group on PODs 1 and 3, but this was reversed on POD 7. There was good agreement among all three observers in grading ecchymosis and edema (P < 0.001).

Conclusions: The use of khat was associated with less tissue ecchymosis after oculoplastic surgery, although this was not statistically significant even following sub-population analysis. The outcome can be attributed to the active ingredients of cathinone and cathine, which cause vasoconstriction and lipolysis, and to the anti-inflammatory and anti-oxidative flavonoids and phenolic compounds. These encouraging preliminary findings warrant additional studies on a biochemical/cellular level.

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.

October 2021
Baruch Wolach MD, and Ofir Wolach MD

Leonardo da Vinci, the artist and scientist, was an archetype figure of the Renaissance era. He was an autodidactic polymath in natural sciences, engineering, and physical sciences, imbued with universality, prodigious inventive imagination, and curiosity to know and understand the world around him. Among his myriad activities, anatomy, physiology, and biomechanics of the musculoskeletal system and the underlying systems fully engaged him. Leonardo dissected dozens of human and animal corpses to study. His anatomical illustrations were precise, combining art and science with an impeccable integration of both. Multiple drawings, diagrams, sketches, and designs are found in his notes. Leonardo’s style was intensely personal, unveiling his thoughts, passions, and emotions. We analyzed significant biographic aspects of Leonardo's life, remarking on his scientific and life conceptions and their manifestation in his anatomical designs. The contribution of preceding anatomists is reported as a source of his inspiration as well as motivation to successors. Leonardo da Vinci left no publications, but rather an extensive collection of personal notebooks. Leonardo's contribution to modern anatomy was enormous and he is considered by the scientific and medical community as the father of the modern anatomy

March 2020
Aviad Hoffman MD, Ofir Ben Ishay MD, Nir Horesh MD, Moshe Shabtai MD, Eyal Forschmidt MD, Danny Rosin MD, Mordechai Gutman MD FACS and Edward Ram MD

Background: Male breast cancer (MBC) is a rare disease that is poorly understood. Treatment protocols are widely extrapolated from breast cancer in women.

Objectives: To review the experience with MBC of a single center in Israel over a period of 22 years.

Methods: This single center retrospective study evaluated all patients diagnosed with MBC over a period of 22 years (1993–2015). Data were extracted from patient medical charts and included demographics, clinical, surgical, and oncological outcomes.

Results: The study comprised 49 patients. Mean age at diagnosis was 64.1 ± 13.5 years. The majority were diagnosed at early stages (1A–2A) (54.4%), 30.6% were stage 3B mostly due to direct skin and nipple involvement, and 59.2% of the patients had node negative disease. All of the patients were diagnosed with invasive ductal carcinoma and 30.6% had concomitant ductal carcinoma in situ. Estrogen receptor (ER) status was predominantly positive and luminal B (HER2-) was the most common subtype. Of the patients, 18.4% were BRCA carriers. The majority of patients underwent mastectomy. Radiotherapy was delivered to 46.9% and hormonal therapy to 89.8%. Chemotherapy was administered to 42.9%. Overall survival was 79.6% with a median survival of 60.1 (2–178) months; 5- and 10-year survival was 93.9% and 79.6%, respectively. Progesterone receptor (PR)-negative patients had a significantly improved overall survival.

Conclusions: MBC has increasing incidence. PR-negative status was associated with better overall survival and disease-free interval. Indications to radiotherapy and hormonal therapy need standardization and will benefit from prospective randomized control trials.

April 2019
Noam Rosen MD, Ofir Chechik MD, Yariv Goldstein MD, Oleg Dolkart PhD, Gavriel Mozes MD, Ofer Rak MD, Alison Dalich BSc, Yossi Geron MD and Eran Maman MD

Background: The number of patients undergoing shoulder arthroplasty is increasing yearly.

Objectives: To evaluate the results of a consecutive series of patients who underwent shoulder replacement for a variety of indications in a single medical center in Israel.

Methods: All shoulder arthroplasties performed in our institution between 2006 and 2015 were retrospectively reviewed. The functional outcomes and satisfaction of 180 shoulder arthroplasties were evaluated for objective and subjective parameters using the American Shoulder and Elbow Surgeons Shoulder Score (ASES), the Disabilities of the Arm, Shoulder and Hand (DASH) outcome measure, and the Short Form Health Survey (SF-12).

Results: The indications for surgery were osteoarthritis (n=35), rotator cuff arthropathy (n=32), fractures (n=99), and other reasons (n=14). The mean follow-up was 52 months. The scores improved markedly among the patients who underwent surgery later in the study period. The mean DASH score before 2012 was 48.8 and improved to 37.2 after 2013. The respective ASES also improved from 54.2 to 68.6. The use of hemiarthroplasty decreased from 85% to 33% as of 2013, while the use of total shoulder arthroplasty increased.

Conclusions: Shoulder arthroplasty represents an effective treatment modality with satisfactory functional outcomes. Our current study demonstrates a shift from hemiarthroplasty to total shoulder arthroplasty, with the number of procedures increasing yearly. Surgeon experience and the expanding volume of operations had a direct positive effect on the functional outcomes of shoulder arthroplasties.

August 2018
February 2018
Ayelet Priel MD, Vicktoria Vishnevskia-Dai MD, Liran Hochma MD, Juliana Gildener-Leapman MD, Guy J. Ben Simon MD, Mordechai Rosner MD, Gal Antman MD and Ofira Zloto MD

Background: The distribution of pathology and clinical characteristics of lacrimal gland diseases are different in different areas of the world.

Objectives: To evaluate the incidence rate, patient characteristics, and indications for surgical intervention of lacrimal gland lesions in a tertiary care center in Israel.

Methods: All biopsied or surgically removed lacrimal gland lesions at the Goldschleger Eye Institute from 2009 to 2015 were identified. The following data were collected: age, gender, indications for surgical intervention, diagnosis, treatment, and prognosis.

Results: We evaluated 28 lacrimal gland biopsies from 26 patients (11 men, 15 women). Mean age at biopsy was 47.5 years old. The most common presenting symptoms were: eyelid swollenness (57.14%), ptosis (32.14%), and proptosis (10.71%). All patients underwent computed tomography and magnetic resonance imaging. In 28 cases, infiltrations of the lacrimal gland were found. In nine cases infiltration of muscles or orbital extension were found. The most common pathologies were non-specified inflammation (44.82%), lymphoma (20.68%), and immunoglobulin G4-related disease (10.34%). The treatment was diverse according to the patient diagnosis. Prognosis of lacrimal gland disease was good; however, in five patients the systemic disease progressed.

Conclusions: Lesions of the lacrimal gland comprise a wide variety of pathological findings that require different treatment strategies. Lacrimal gland biopsies enable physicians to precisely recognize the pathology; therefore, it is important to consider this surgical method in any patient with lesions in the lacrimal gland.

December 2017
Dante Antonelli MD, Ofir Koren MD, Menachem Nahir MD, Ehud Rozner MD, Nahum A. MD and Yoav Turgeman MD

Background: Survival of patients who were discharged from the hospital following out-of-hospital cardiac arrest (OHCA) has not been well defined.

Objective: To verify predictor variables for prognosis of patients following OHCA who survived hospitalization.

Methods: We retrospectively reviewed clinical, demographic, and outcome data of consecutive patients who were hospitalized from January 1, 2009, through December 31, 2014, into the intensive coronary care unit (ICCU) after aborted OHCA and discharged alive. The patients were followed until December 31, 2015.

Results: Of the 180 patients who were admitted into ICCU after OHCA, 64 were discharged alive (59.3%): 55 were male (85.9%), 14 died 16.5 ± 18 months after their discharge. During 1 year follow-up, nine patients (14.1%) died after a median period of 5.5 months and 55 patients (85.9 %) survived. Diabetes mellitus and chronic renal failure (CRF) were more frequent in patients who died within 1 year after their hospital discharge than those who survived. Ventricular fibrillation, such as initial arrhythmia, and opening of occluded infarct related artery were more frequent in survivors.

Conclusions: Most of the patients who were discharged after OHCA were alive at the 1 year follow-up. The risk of death of cardiac arrest survivors is greatest during the first year after discharge. CRF remains a poor long-term prognostic factor beyond the patients' discharge. Ventricular fibrillation, as initial arrhythmia, and opening of occluded infarct related artery have a positive impact on long-term survival.

February 2017
Adir Sommer MD, Avner Belkin MD, Shay Ofir MD and Ehud Assia MD

Background: In recent decades cataract surgery has shifted slowly from public hospitals to ambulatory surgery centers, demonstrating changes in the profile of patients presenting to public hospitals for cataract surgery. These changes may potentially affect the complexity of surgeries, their volume, resident training, and perhaps also visual outcomes and patient satisfaction. 

Objectives: To assess the changes in the medical and demographic characteristics of patients undergoing cataract surgery in a public hospital over a period of 15 years. 

Methods: We retrospectively reviewed the records of patients undergoing preoperative assessment before cataract surgery. Records for the period October 2000 to January 2001 (100 patients), October 2006 to January 2007 (100 patients), and October 2013 to January 2014 (150 patients) were assessed for demographic, systemic and ocular related parameters. 

Results: There was a significant increase in the average age of patients (70.4, 72.4, 73.9 years, P = 0.026), with a significant increase in the percentage of patients of Arab ethnicity (17%, 11%, 28.7%, P = 0.002), and concomitant systemic co-morbidities (38%, 46%, 64.7%, P < 0.0001). There was an increase in the percentage of patients with narrow palpebral fissures (0%, 2%, 8%, P = 0.003), deep-set eyes (2%, 4%, 18%, P < 0.0001), dense nuclear sclerotic cataract (38%, 34.4%, 56.9%, P = 0.001), and a significant increase in the percentage of patients taking alpha-blocking medications (0%, 8%, 10.7 %, P = 0.004).

Conclusions: Patients presenting for cataract surgery in 2013 compared to those in earlier periods are older, sicker and have more ocular conditions potentially affecting cataract surgery outcomes, patient satisfaction and residents' training. 

 

October 2016
Ofir Har-Noy MD, Bun Kim MD, Rivi Haiat, Tal Engel MD, Bella Ungar MD, Rami Eliakim MD, Won Ho Kim MD, Jae Hee Cheon MD PhD and Shomron Ben-Horin MD

Background: Although 5-amino-salycilic acids (5-ASA) are often used with corticosteroid treatment in moderate-to-severe ulcerative colitis, the value of continuing/initiating 5-ASA in this clinical setting has not been explored. 

Objectives: To investigate the impact of a combination 5-ASA+corticosteroid therapy on the outcome of hospitalized patients with acute moderate-severe ulcerative colitis. 

Methods: We conducted a retrospective study of patients hospitalized with moderate-severe ulcerative colitis in two centers, Israel and South Korea. Patients were classified into those who received 5-ASA and corticosteroids and those who received corticosteroids alone. Analysis was performed for each hospitalization event. The primary outcome was the rate of treatment failure defined as the need for salvage therapy (cyclosporin-A/infliximab/colectomy). The secondary outcomes were 30 days re-admission rates, in-hospital mortality rates, time to improvement, and length of hospitalization. 

Results: We analyzed 209 hospitalization events: 151 patients (72%) received 5-ASA+corticosteroids and 58 (28%) corticosteroids alone. On univariate analysis the combination therapy group had a lower risk for treatment failure (11% vs. 31%, odds ratio 0.28, 95% confidence interval 0.13–0.59, P = 0.001). However, this difference disappeared on multivariate analysis, which showed pre-admission oral corticosteroid treatment to be the most significant factor associated with the need for salvage therapy. 

Conclusions: A signal for possible benefit of a combination 5-ASA and corticosteroids therapy was found, but was confounded by the impact of pre-admission corticosteroid treatment. 

 

May 2016
Eran Millet MD, Josef Haik MD, Elad Ofir MD, Yael Mardor MD, Eyal Winkler MD, Moti Harats MD and Ariel Tessone MD

Background: Although fat grafting is a common technique to repair defects after breast cancer reconstruction surgery and has a low complication rate, the relation between fat grafting and the risk of breast cancer is unknown. Clinical trials to investigate this connection can elucidate the benefits and potential risks of fat grafting in oncology patients.

Objectives:To establish an efficient experimental model, using magnetic resonance imaging (MRI) scans, for comparing different breast tumor study groups post-fat grafting. 

Methods: Breast tumor cells were injected into immunocompromised mice. After tumors formed they were removed. Liposuction was performed in a female human donor and fat was collected. Cells were extracted from the fat by enzymatic digestion. Immunocompromised mice were randomized into four groups: a preliminary experiment group and three equal groups according to the type of fat graft: (i) fresh fat enriched with adipose-derived mesenchymal stem cells (AdMSCs), (ii) fresh fat without cell enrichment, and (iii) no fat injected. Tumor volume was assessed by serial MRI scans. 

Results: The rate of tumor growth was higher in the enriched fat group compared to the non-enriched fat group. 

Conclusions: This experimental model is an effective measurable method, allowing future investigation of the effect of autologous fat on breast cancer.

 

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