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עמוד בית
Wed, 15.04.26

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April 2026
Amit Toledano MD, Ehud Raz Gatt MD, Asaf Laks MD, Biana Dubinsky-Pertzov MD MPH, Adi Einan-Lifshitz MD, Eran Pras MD, Asaf Shemer MD

Background: The rapid evolution of large language models warrants updated benchmarking in ophthalmology to determine whether newer versions offer clinically meaningful improvements over earlier models and human comparators.

Objectives: To evaluate the diagnostic accuracy of ChatGPT-4o and ChatGPT-5 in ophthalmic cases and to compare it with previously reported results of ChatGPT-3.5, residents, and specialists.

Methods: This retrospective cohort study was conducted in one academic tertiary medical center. We reviewed data of patients admitted to the ophthalmology department from June 2022 to January 2023. We then created two clinical cases for each patient. The first was according to medical history alone (Hx). The second added the clinical examination (Hx and Ex). For each case, we asked for the three most likely diagnoses from ChatGPT-4o and ChatGPT-5. We then compared the accuracy rates (at least one correct diagnosis) with previous results of ChatGPT-3.5, residents, and specialists.

Results: A total of 63 cases were analyzed, first using history alone and then with examination findings. Based on history alone, GPT-5 and GPT-4o correctly identified 73% and 70% of cases, respectively, outperforming GPT-3.5 (54%, P < 0.05) and approaching the accuracy of residents (75%) and attending physicians (71%, P < 0.05). When physical examination was included, diagnostic accuracy rose to 94% for GPT-5 and 89% for GPT-4o, surpassing GPT-3.5 (68%, P < 0.05) and closely matching or exceeding human performance (residents 94%, attendings 87%).

Conclusions: ChatGPT-4o and ChatGPT-5 significantly outperformed GPT-3.5 and achieved diagnostic accuracy similar or even higher to clinicians in diagnosing ophthalmology cases.

Hadas Katz-Dana MD, Eran Netzer MD, Ehud Rosenbloom MD

In June 2025, amid an escalating military conflict between Israel and Iran, hospitals across Israel were required to reassess and reinforce their emergency preparedness. Civilian populations in central Israel faced direct threats, including missile strikes on residential areas. In response, hospital leadership at Meir Medical Center, a secondary hospital in the center of Israel, issued a directive for an immediate mass casualty incident (MCI) simulation to be designed and executed within 48 hours. The objective was to test the hospital’s operational readiness under real-time wartime conditions, stress key interfaces between pediatric and adult emergency services, and identify latent system vulnerabilities.

January 2026
Gideon Eshel MD, Eran Kozer MD

Background: After the Nazi regime seized power, the only place where Jewish medical students were allowed to conduct their practicum in Germany were the Jewish hospitals.

Objectives: To identify the Jewish students who, during summer 1933 and later, conducted their practicum and wrote their medical dissertations in the Jewish hospitals, and to identify their tutors.

Methods: We examined the dissertations at the medical faculty of Berlin that were conducted from the summer of 1933 until the autumn 1937, identifying the students who did their practicum at Jewish hospitals and stood for the MD examination.

Results: In total, 29 Jewish students finished their medical practicum and wrote their dissertations either in the Jewish hospitals of Berlin or in other Jewish hospitals outside the capital city after April 1933. Only five of those studies were presented to the MD examination signed by their Jewish tutors. The remaining 24 works were submitted and signed by an Aryan professor. In 10 of those last studies, the names of the Jewish tutors could be uncovered.

Conclusions: The Jewish hospitals of Berlin continued their academic activity even after being ejected from Berlin hospital's medical faculty body in April 1933. At that time most of the studies dealt with surgery and gynecology. In most cases the studies were submitted for the MD examination by proxy and signed by an Aryan professor.

Yossi Maman MD, Jawad Tome MD, Rina Neeman MD, Dan Mirelman MD, Danit Dayan MD, Guy Lahat MD, Ravit Geva MD, Eran Nizri MD PhD

Background: Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are established treatments for peritoneal metastasis from colorectal cancer (PM-CRC). The peritoneal carcinomatosis index (PCI) measures disease burden.

Objectives: To evaluate the effect of PCI on short- and long-term outcomes of patients with PM-CRC who underwent CRS-HIPEC.

Methods: We retrospectively analyzed 120 PM-CRC patients who underwent CRS-HIPEC, categorizing them into four PCI groups (PCI ≤ 3, PCI 4–6, PCI 7–11, PCI >11). We evaluated perioperative outcomes and long-term survival.

Results: Higher PCI scores were associated with increased surgical complexity, longer operative times, more organ resections, and higher blood transfusion requirements. Complete cytoreduction was achieved in 100% of the PCI ≤ 3 group, but only in 70.8% of the PCI > 11 group (P = 0.001). Postoperative outcomes showed a trend toward less major morbidity in low PCI patients (16.7% vs. 28%) and significantly shorter hospital stays (10–13 days vs. 19 days, P = 0.006). The 90-day mortality rate was 0% in the PCI ≤ 3 group compared to 11.5% in the PCI > 11 group. Long-term outcomes revealed significantly better disease-free survival (DFS) and overall survival (OS) for the PCI ≤ 3 group (DFS: 22 months vs. 4–6 months; OS: 79.6 months vs. 21–40 months, P < 0.001).

Conclusions: Patients with low PCI scores experience reduced morbidity and improved long-term survival, supporting the use of CRS-HIPEC in this subgroup. Further research is needed to enhance treatment strategies for patients with high PCI scores.

Oded Ayzenberg MD, Tomer Shlezinger, Noam Orvieto MD, Itzhak Katzir PhD, Sigalit Bloch, Daniel Landsberger MD, Naomi Sigal MD, Eran Rotman MD, Zvi Vered MD FESC FACC

Background: Transcatheter aortic valve implantation (TAVI) has become the preferred therapeutic method for elderly patients presenting with severe symptomatic aortic stenosis (AS). Most TAVI procedures are performed in patients between 75–85 years of age. A few publications exist on TAVI in patients over 90 years, yet the outcome and complication rates are inconsistent.

Objectives: To identify all patients with AS who underwent TAVI between 2019 and 2020, specifically those age > 90 years at the time of the TAVI.

Methods: We reviewed the Maccabi Healthcare Services database for all severe/critical AS patients who underwent TAVI between 2019 and 2020, specifically those age > 90 years at the time of TAVI. These patients were compared to all patients aged 80–89 years who underwent TAVI during the same time. Follow-up ended on 31 December 2022. We compared mortality and complications rates in nonagenarians vs. those 80–89 years and evaluated the change in left ventricular ejection fraction before and after the procedure.

Results: We identified 36 nonagenarians who underwent TAVI during the study period, mean age 92.3 years, male:female ratio 15:21. During a mean follow-up period of 3 years, 44% of nonagenarians died, 26% of the control patients died (P < 0.01).

Conclusions: TAVI in nonagenarians is feasible. Total mortality during follow-up was significantly higher in nonagenarians. Overall complication rates were also higher in nonagenarians, mostly due to vascular complications. Left ventricular dysfunction appeared to improve after TAVI, even in nonagenarians.

December 2025
Ksenya Epshtein MD, Shay Baron MD, Maly Keler MD, Alexander Sivokha MD, Eran Kalmanovich MD, Benjamin D. Fox MD

Background: Interpretation of blood gases is essential for the correct practice of medicine. Normal ranges for arterial blood gases (ABG) have not been extensively studied in the older population. Also, venous blood gases and venous-arterial pCO2 gradient have not been studied in this population, even though they signify the majority of hospitalized patients.

Objectives: To determine the normal range for ABG and the bias limits of agreement for arterial-venous difference in the elderly population.

Methods: We recruited 130 elderly patients (> 70 years) and obtained blood gas measurements from venous and arterial blood. Patients were divided into four categories: healthy patients, patients with stable chronic pulmonary disease, hospitalized patients with acute respiratory illness, and hospitalized patients without respiratory disease. Samples were analyzed in a point of care analyzer.

Results: Mean PaCO2 was 36.9 ± 4.2 mmHg for the healthy control group, 37.0 ± 4.8 mmHg in the stable chronic respiratory group, 37.0 ± 5.0 mmHg in the non-respiratory hospitalization group, and 42.3 ± 11.4 mmHg for the respiratory hospitalization group, Kruskall-Wallis, P <0.0025. Mean bias between venous and arterial CO2 was +10.0 mmHg with 95% limits of agreement between 2.7 mmHg and -22.8 mmHg.

Conclusions: In elderly patients, the range of PaCO2 measurements was similar to the accepted normal range in clinical practice. Venous-arterial PCO2 gradient had high bias and wide limits of agreement, similar to previously published studies.

September 2025
Vera Dreizin MD, Yael Delayahu MD, Raya Shlesinger MA, Anna Gorodetsky MD, Itzhak Cohen MSc, Eran Israeli MD

Background: The management of chronic hepatitis C virus (HCV) infection in patients with concurrent severe mental illness and substance use disorder poses significant challenges to treatment initiation, adherence, and completion. Multiple barriers impede successful treatment outcomes in this population, including cognitive impairments associated with mental illness, ongoing psychoactive substance use, and inadequate social and environmental support systems.

Objectives: To implement a treatment program for HCV-infected patients during their psychiatric hospitalization. To establish a multidisciplinary task force comprising a hepatologist, psychiatric ward team (psychiatrists, nurses, social workers), and a project administrator.

Methods: We conducted a retrospective cohort study of patients hospitalized with dual diagnosis (DD) of severe mental illness and substance use disorder who tested positive for HCV antibodies. Patients underwent clinical evaluations and received treatment with direct antiviral agents during hospitalization under the supervision of the joint team. Demographic and clinical characteristics were analyzed.

Results: Between January 2018 and June 2023, 694 DD patients were hospitalized, of whom 119 tested positive for HCV antibodies (prevalence 17.1%). Twenty-seven patients (23%) completed treatment; 17 (63%) achieved confirmed sustained virologic response. Treatment discontinuation occurred primarily post-discharge from the mental health facility. Significant efforts were made to engage community caregivers to maintain continuity of care.

Conclusions: Our findings demonstrate that treating HCV in patients with concurrent severe mental illness and substance use disorder requires collaborative efforts across medical disciplines. This integrated approach during psychiatric hospitalization provides a unique opportunity for initiating and monitoring HCV treatment in this complex patient population.

August 2025
Eran Hadad MD, Shaked Menashe MD, Andre Ofek MD, Moshe Faigenbaum MD, Lior Heller MD, Alex Sorkin MD

Background: The forehead and scalp play a crucial role in the aesthetic appearance of the face. Extensive oncological resections that result in significant defects create challenges for reconstruction and require various surgical techniques.

Objective: To present the planning and surgical technique required for a simple, reproducible one-stage flap to reconstruct an extensive forehead defect.

Methods: A cohort of six patients underwent reconstruction of large anterior forehead or scalp defects using a one-stage axial fasciocutaneous flap. All procedures were conducted under general anesthesia. The defects resulted from tumor resections. The sizes ranged from 5.5 cm to 11 cm. The flap was used to reconstruct various forehead and anterior scalp regions.

Results: All the flaps were successful. The aesthetic outcomes were favorable, and no significant complications were noted.

Conclusions: The extended forehead flap is a versatile option for safe, simple, and reproducible one-stage reconstruction of large forehead and anterior scalp defects that yields satisfactory aesthetic results.

July 2025
Saleh Sharif MD, Emran El Ukbi MD, Herschel Horowitz MD, Eran Kalmanovich MD, Dror Cantrell MD

Background: Initiating oral antidiabetic therapy, such as sodium-glucose cotransporter 2 (SGLT2) inhibitors, is generally not recommended during hospitalization. However, guidelines since 2021 have supported their use in heart failure with reduced ejection fraction (HFrEF), and since 2023 in preserved ejection fraction (HFpEF).

Objectives: To assess the safety and outcomes of initiating SGLT2 inhibitors during hospitalization for acute heart failure (HF).

Methods: We conducted a historical cohort study of 307 patients admitted with acute HF between October 2018 and April 2022. Patients were grouped as chronic SGLT2i users, new initiators during hospitalization, or controls who did not receive SGLT2i.

Results: Among the 307 patients, 50.4% had HFrEF, 30.8% HFpEF, and 18.8% HF with mildly reduced ejection fraction. In-hospital mortality was 3.6% (11 patients); 2-year mortality was 37.7% (116 patients). New SGLT2i initiators had the lowest 2-year mortality (22.2%) compared to controls (43.9%) and chronic users (41.8%) (P = 0.008). They also had the lowest 1-year rehospitalization rates (18.3% vs. 35.5% vs. 32.8%; P = 0.025). Multivariable analysis identified older age and co-morbidities as independent predictors of mortality. SGLT2i initiation was associated with reduced rehospitalization. Adverse effects occurred in 15.6% of SGLT2i users, mainly acute kidney injury.

Conclusions: In-hospital SGLT2 inhibitor initiation in patients with HF appears safe and is associated with reduced post-discharge mortality and readmission rates.

June 2025
Mira Hamed MD, Amir Bieber MD, Michael Ziv MD, Guy Feraru MD, Roni P Dodiuk-Gad MD, Eran Cohen-Barak MD, Daniella Kushnir-Grinbaum MD

Anifrolumab is a monoclonal antibody approved by the U.S. Food and Drug Administration in 2021 for the treatment of moderate-to-severe systemic lupus erythematosus (SLE) (excluding renal or neurological involvement). The drug inhibits the type 1 interferon receptor. Its safety and efficacy were evaluated through three placebo-controlled studies [1]. Clinical studies have demonstrated the beneficial effects of anifrolumab as an adjunct to standard therapy for SLE with cutaneous manifestations. Common side effects include upper respiratory tract infections, infusion-related reactions, herpes zoster, and hypersensitivity phenomena. Importantly, no serious skin reactions have been previously associated with the use of anifrolumab [2].

To the best of our knowledge, this is the first reported case of drug-induced bullous pemphigoid (DIBP) following treatment with anifrolumab.

Avner Shemer MD, Anna Lyakhovitsky MD, Eran Galili MD, Riad Kassem MD, Baruch Kaplan MD

Nail psoriasis (NP) is a common manifestation of psoriasis, affecting up to 80–90% of patients with psoriatic arthritis and up to 60% of those with cutaneous psoriasis. Isolated NP also occurs in 5–10% of cases. It significantly impacts quality of life and may indicate or precede psoriatic arthritis. In this review, we summarized the clinical features of NP, highlighting patterns of matrix and nail bed involvement, and discussed differential diagnosis with onychomycosis. We outlined current topical, intralesional, systemic, and non-pharmacological treatment options, and proposed an evidence-based approach to diagnosis and management.

Psoriasis is a chronic immuno-inflammatory skin disorder characterized by rapid keratinocyte proliferation, forming thick, red patches with silvery scales. It affects 2–3% of the population, impacting skin, nails, and joints. Pathogenesis involves genetic, environmental, and immunological factors [1]. Triggers such as infections (especially Streptococcus), skin injuries, medications, stress, and alcohol can initiate or worsen the condition [1]. Psoriasis may follow a stable course or present in cycles of flare-ups and remissions. Skin involvement may manifest in any body area but is most common on the knees, elbows, trunk, and scalp [1]. Nail involvement appears in up to 60% of those with cutaneous psoriasis and 80% of those with psoriatic arthritis (PsA), with an 80–90% lifetime incidence [2,3]. Isolated nail psoriasis (NP), defined as nail changes without cutaneous psoriasis or with limited body surface involvement (< 5%), occurs in 5–10% of patients [4,5].

Ayelet Ollech MD, Yizhak Confino MD, Rivka Friedland MD, Dan Ben Amitai MD, Vered Molho-Pessach MD, Michal Neumark MD, Jacob Mashiah MD, Liat Samuelov MD, Ayelet Shani-Adir MD, Hiba Zaaroura MD, Eran Cohen-Barak MD, Amir Horev MD, Yulia Valdman MD, Baruch Kaplan MD, Shoshana Greenberger MD

Infantile hemangioma (IH) is the most common benign vascular tumor in infancy. Recent advances, particularly in beta-blocker therapy, have significantly improved the management of IHs. Early identification and treatment of IH may help reduce morbidity and associated complications. In this review, experts in pediatric dermatology in Israel who have experience in treating IH formulated national guidelines for the diagnosis and treatment of IHs, providing evidence-based recommendations for selecting appropriate therapeutic approaches. These Israeli national guidelines provide a structured approach to the diagnosis and treatment of IH, emphasizing early referral, appropriate treatment selection, and careful monitoring. The guidelines serve as a critical resource for pediatricians and dermatologists, ensuring optimal patient outcomes while minimizing complications.

February 2025
Noa Bigman-Peer MD, Genady Drozdinsky MD, Irit Heruti PhD, Eran Rotman MD MHA, Irit Ayalon-Dangur MD, Anat Dagan BSc, Noa Eliakim-Raz MD

Background: Burnout is prevalent among healthcare providers and characterized by emotional exhaustion, depersonalization, and reduced personal accomplishment. The coronavirus disease 2019 (COVID-19) pandemic exacerbated burnout due to increased workloads, emotional strain, and heightened risk. Complementary medicine (CAM) interventions like shiatsu massage and reflexology have been explored as potential to mitigate burnout, particularly pandemic-related stress.

Objectives: To assess the efficacy of CAM interventions for alleviating burnout in healthcare providers treating COVID-19 patients during 2022, when the Delta variant was prevalent.

Methods: This prospective observational study included 86 healthcare providers at Rabin Medical Center, Beilinson Campus. Workers were divided into two groups: an intervention group participating in CAM activities and a control group. Participant burnout and post-traumatic stress disorder (PTSD) symptoms were evaluated using the Maslach Burnout Inventory and General Anxiety Disorder 7 at baseline and at one day and one week post-intervention.

Results: The CAM group demonstrated significant reduction in burnout scores, primarily due to an enhanced sense of accomplishment (P = 0.023), with enduring effects observed after one week, although not reaching statistical significance (P = 0.078). There was no observed difference in PTSD scores between the groups (P = 0.28).

Conclusions: The study reveals potential benefits of CAM interventions in reducing burnout symptoms among healthcare providers during the COVID-19 pandemic. The findings underscore the importance of integrating such interventions to address the mental well-being of healthcare providers, especially in high-stress environments. Further randomized controlled trials with diverse samples and extended follow-up are recommended to validate and explore these initial findings.

June 2024
Sharon Vanetik MD, Yochai Schonmann MD MSc, Arnon D. Cohen MD MPH PhD, Yuliya Valdman-Grinshpoun MD, Eran Shavit MD

Background: Hidradenitis suppurativa (HS) is a chronic relapsing inflammatory skin disease associated with a heavy burden of morbidity and cost.

Objectives: To provide standardized estimates of trends in HS incidence and prevalence among patients in Israel between 2016 and 2019.

Methods: We conducted a population-based analysis of routinely collected electronic health records data from Clalit Health Services, the largest nationwide public health service provider in Israel. Age- and sex-adjusted rates were reported by using the standard European population as a reference.

Results: The study included 3488 HS incident cases. The mean ± SD age of onset was 30.3 years and was similar in males and females. HS was more common among Jews with low and medium socioeconomic status. The annual HS incidence rate increased throughout the study period. HS prevalence increased from 0.12% in 2016 to 0.17% in 2019.

Conclusions: HS prevalence and incidence rates steadily rose among the Israeli population between 2016 and 2019. Awareness of these findings can help provide an optimal allocation of healthcare resources by policymakers and health service providers and prevent delays in diagnosis.

April 2024
Gideon Eshel MD, Gerhard Baader MD, Eran Kozer MD

Background: On 7 April 1933, the Nazi Law for the Restoration of the Professional Civil Service was enacted. The law triggered the dismissal of most Jewish medical staff from German universities. A few Jewish professors in Berlin were permitted to continue their academic activity with restrictions. Those professors were gradually dismissed as laws and restrictions were enforced.

Objectives: To identify the last Jewish medical professors who, despite severe restrictions, continued their academic duties and prepared students for their examinations in Berlin after the summer of 1933.

Methods: We reviewed dissertations written by the medical faculty of Berlin from 1933 to 1937 and identified Jewish professors who mentored students during those years.

Results: Thirteen Jewish tutors instructed dissertations for the medical examinations after the Nazi regime seized power. They were employees of different university hospitals, including the Jewish hospitals. We did not identify Aryan students instructed by Jewish professors. The professors were active in different medical disciplines. Half of the reviewed dissertations were in the disciplines of surgery and gynecology. The last Jewish tutors were dismissed in October 1935. However, some of their studies were submitted for examination after that date.

Conclusions: After the Nazi regime seized power, academic activities and medical research by Jewish professors declined but did not stop. However, these professors worked with only Jewish students on their theses. Most dissertations were approved and examined after the Jewish academics were dismissed by the university, in some cases even after they left Germany.

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