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עמוד בית
Thu, 18.07.24

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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.

Adrian Duek MD, Emmanuel Lellouche PhD, Sharon Ben Baruch MD, Reut Mashiach BSc, Yafit Segman MD, Gabriel Bryk PhD, Merav Leiba MD

Background: Multiple myeloma (MM) accounts for approximately 10% of hematological malignancies. The monoclonal immunoglobulin G kappa (IgG-κ) daratumumab can bind to CD38 on MM cells and be detected in serum immunofixation (IF), causing pitfalls in M-protein quantification.

Objectives: To determine the efficacy of mitigating the interference of IgG MM treated with daratumumab.

Methods: Levels of Ig, free light chains (FLC) kappa (κ) and lambda (λ), serum protein electrophoresis (SPE)/IF, and Hydrashift 2/4 assays were assessed following manufacturer's instructions in three patients.

Results: Patient 1 was a 70-year-old male diagnosed with IgG-λ MM. The IF distinguished two monoclonal bands (IgG-κ and IgG-λ). With the Hydrashift assay, the daratumumab–anti-daratumumab immune complex shifted the IgG-κ to the α zone, suggesting that the monoclonal IgG-κ band corresponded to daratumumab. Patient 2 was a 63-year-old male with IgG-κ MM who was receiving daratumumab once every other week. SPE/IF assay revealed a faint monoclonal IgG-κ band in the g zone. A stronger monoclonal band was observed after administration. The IgG-κ band disappeared on the Hydrashift assay, while the daratumumab–anti-daratumumab complex appeared as a broad smear in the α-region. Patient 3, a 63-year-old male diagnosed with IgG-λMM, was receiving daratumumab once every other month. The IF assay showed two distinct bands (IgG-κ and IgG-λ) post-daratumumab administration. The shift to the α zone of the IgG-κ bands on the Hydrashift assay confirmed that the additional band observed post-infusion was due to the daratumumab.

Conclusions: The Hydrashift assay can help distinguish daratumumab from endogenous M-spike.

Osnat Zmora MD, Atara Indursky MD, Baruch Klin MD, Sonia Mendlovic MD

Background: Rare incidence cases are part of the routine work of pediatric surgeons. Cecal anomalies in children are an example of such cases.

Objectives: To describe the presentation, workup, management and outcome of rare cecal anomalies in children and to analyze the skills needed for their successful treatment.

Methods: A retrospective chart review was conducted of all cases of cecal anomalies managed by the pediatric surgical service at a tertiary hospital from June 2017 to January 2020. Data regarding demographics, clinical presentation, radiological studies, surgical treatment, pathology, complications, and outcome were collected.

Results: Five cases of cecal anomalies were encountered over a period of 32 months, including a cecal volvulus, cecal duplication, cecal intussusception, and two cecal masses (one ulcerated lipoma and one polyp). All patients, except the patient with cecal duplication, presented acutely and were managed surgically. Long-term follow-up of 17–24 months was unremarkable in all cases.

Conclusions: A wide knowledge base, careful judgment, and creativity enable pediatric surgeons to successfully treat rare conditions such as rare cecal anomalies. These skills should be part of the education of pediatric surgery trainees.

Sari Tal MD

Background: Hospitalization is an inherently serious event in the oldest-old, as the risk of complications associated with it increases exponentially with age and can lead to death. Despite the size of the problem, few studies have been dedicated to determining mortality predictors among hospitalized older patients, particularly among the oldest-old.

Objectives: To examine in-hospital mortality predictors in the oldest-old adults hospitalized in an acute geriatric ward.

Methods: We retrospectively surveyed electronic hospital health records of 977 elderly patients, aged ³ 90 years, admitted between January 2007 and December 2010 from the emergency department to the acute geriatrics department. We compared the characteristics of the patients who survived to those who died during the hospital stay.

Results: The patients mean age was 93.4 years. In-hospital mortality rate was about 11.6%. Mortality predictors were female sex, on-admission pneumonia, co-morbid congestive heart failure and cerebrovascular accident, high troponin I levels, lower levels of albumin, and higher level of urea (P = 0.032, P < 0.0001, P = 0.0015, P = 0.0049, P = 0.0503, P < 0.0001 and P < 0.0001, respectively). Consumption of ³ 5 drugs and the number of hospitalizations in the last year were inversely associated with death (P = 0.0145 and P < 0.0001, respectively).

Conclusions: Careful evaluation of mortality predictors might be useful for therapeutic planning and identification of potential inpatients for specific interventions. Awareness of in-hospital mortality predictors might contribute to reducing in-hospital death.

Ron Skorochod B.MED.SC, David Raveh MD, Yonit Wiener-Well MD, Bashar Fteiha MD, Shimon Shteingart PhD, Yitzhak Skorochod MD

Background: The hepatobiliary system is a sterile micro-environment. Bacterial infection in this system is most commonly associated with anaerobes as well as gram-positive and gram-negative bacteria. Biliary infections with Staphylococcus aureus are poorly characterized.

Objectives: To depict the clinical characteristics and outcome of patients with S. aureus infection of the hepatobiliary system.

Methods: Medical records of patients with bile cultures positive for S. aureus from January 2006 to November 2020 were extracted from the computerized database of a hospital in Israel.

Results: We analyzed the results of 28 cases that were found in the database. The mean age of study patients was 62.2 ± 19 years. Hypertension, dyslipidemia, chronic kidney disease, diabetes, and benign prostatic hypertrophy were the most common co-morbidities (57.1%, 32.1%, 25%, 25%, and 25%, respectively). Fourteen of the methicillin-resistant S. aureus (MRSA) bile cultures (82.3%) were a result of primary S. aureus biliary infections (no other source for S. aureus infection) and the remainder were of a secondary infection. Eight of the MRSA cultures (47.1%) were from hospital acquired infections. Increased hospital mortality in patients with S. aureus hepatobiliary infection was associated with hypertension (P = 0.04), bedridden status (P = 0.01), and nursing home residence (P = 0.003).

Conclusions: Hepatobiliary infection with S. aureus can manifest in a variety of ways. S. aureus should be especially considered in patients who are bedridden, present with hypertension, or live in nursing homes because of their association with in-hospital mortality resulting from this entity.

Miri Zektser MD, Anat Rabinovich MD, Uri Grinbaum MD, Tzvi Porges MD, Aya Gozlan MD, Anna Gourevitch MD, Kayed Al-Athamen MD, Orit Barrett MD, Ido Peles MD, Tehila Kaisman-Elbaz MD, Etai Levi MD

Background: Primary central nervous system lymphoma (PCNSL) is a rare aggressive non-Hodgkin's lymphoma. There are limited data on the management of PCNSL outside of clinical trials.

Objectives: To report experience with three main high-dose methotrexate (HDMTX)-based protocols for PCNSL treatment at one medical center.

Methods: We conducted a retrospective review of the medical records of patients diagnosed with PCNSL who were treated at Soroka Medical Center between 2007 and 2019.

Results: The study included 36 patients, median age 64.9 years; 33 patients received a HDMTX backbone induction therapy, 21 (58.3%) received consolidation treatment in addition. In the entire cohort, 25 patients (75.7%) achieved complete remission (CR, CRu-unconfirmed), with mean progression-free survival (PFS) 32 ± 6.9 months and median overall survival (OS) 59.6 ± 12.4 months. More aggressive regiment such as combination of rituximab, HDMTX, cytarabine and thiotepa had better responses 5 (100%) CR, but also a higher incidence of side effects such as neutropenic fever 5 (100%). In subgroup analysis by age (younger vs. older than 60 years), the PFS was 24.2 vs. 9.3 months, and OS was 64.1 vs. 19.4 months, respectively.

Conclusions: A difference in CR and PFS favored a more aggressive protocol, but the toxicity of the multiagent combinations was significantly higher. The prognosis in younger was better than in older patients, with higher rates of CR, PFS, and OS, although not statistically significant. Overall treatment outcomes are encouraging; however, there is a real need for an adaptive approach for older patients and balancing among the effectiveness and side effects.

Lee Fuchs MD, Eyal Mercado MD, Paz Kedem MD, Tali Becker MD, Daniel Weigl MD

Background: The growing popularity of trampoline jumping in the past years has led to an increase in trampoline-related injuries. The risk is particularly high in large trampoline parks, which are attended by many individuals of various sizes and ages.

Objective: To describe a tertiary pediatric center experience in Israel.

Methods: The database of a tertiary pediatric medical center was retrospectively reviewed for all trampoline-associated admissions to the emergency department in 2015–2018. Data were collected on patient demographics and injury characteristics with an emphasis on type and venue.

Results: Of the 23,248 admissions for orthopedic trauma during the period, 244 children were admitted for 246 trampoline-related injuries. Injuries involved the lower limb in 130 children (53%), upper limb in 87 (36%), spine in 20 (8%), and other sites in 9 (3%). Almost half of the injuries (113/246, 46%) were fractures, 27% required either closed or open reduction in the operating room. Large trampoline centers were responsible for half of the cases.

Conclusions: Trampoline injuries accounted for 1.05% of all emergency department admissions at a tertiary pediatric hospital in 2015–2018. Nearly half of the trampoline-related injuries were fractures. Large trampoline centers pose a potential risk for more serious injuries. We raise awareness of the risks of trampoline jumping, considering increasing popularity of trampoline parks, and encourage the authorities to implement safety regulations.

Ahmad Elnassasra, MD; Yehuda Hershkovitz, MD ; Yaniv Zager, MD; Ron Lavy, MD;
Walid Shalata MD, Motaz Abo Abod MD, Sergei Tsaregorodtsev MD, Reem Abu Hamid-Salama MD, Liora Boehm Cohen MD, Michael Kassirer MD, Dana Potashner MD, Yael Raviv MD
Walid Shalata MD, Motaz Abo Abod MD, Liora Boehm Cohen MD, Michael Kassirer MD, Dana Potashner MD, Yael Raviv MD
Amir Shabtay MD, Ziv Rivak MD, Elena Schleffer MD, Leonid Barski MD
September 2022
Avi Benov MD MHA, Shaul Gelikas MD MBA, Noam Fink MD, and Elon Glassberg MD MHA MBA

War is as old as history. Some may say it is older. The first Biblical war, dated 1880–1875 BCE, is depicted in the book of Genesis between nine kings in the vicinity of the Jordan river near Jericho. By the end of the war, Abraham (Abram) gets involved in saving his nephew Lot.

In addition to war, military medicine also has its roots in historical times. Hippocrates (460–377 BCE), the father of medicine, derived his medical knowledge from the battlefield, and Sushruta [1], the father of plastic surgery, mentioned the physician's preventive role in noting environmental hazards: "A common practice of the enemy is to poison the wells on the roadside, the articles of food, the shades of trees, and the fuel and forage for cattle; hence, it is incumbent on a physician marching with the troops to inspect, examine, and purify these before using any of them, in case they are poisoned."

The Greeks stated new ideas of military health, pointing to fitness promotion, gymnastics, and healthy diets to prevent illness. Over the centuries, from Alexander the Great to Napoleon’s army and wars in the 20th century, military conflicts have led to the death of hundreds of millions of people from trauma and war-related disease. Amazingly analyses of the 18th and 19th centuries have shown that 80% of the soldiers died from disease, and historians and military personnel agree that during armed conflicts in known history, only a minority of soldiers perished by the sword.

In Israel, the Israel Defense Forces-Medical Corps (IDF-MC) holds a unique position embedded in military and civilian national medicine. All medical personnel (e.g., physicians, nurses, technicians, veterinarians) who work in the IDF-MC receive their diplomas from civilian universities, train in civilian hospitals, and continue to practice in the national health system. The majority of these professionals continue to work in different civilian medical platforms in Israel after finishing their mandatory service. The IDF-MC's primary mission is to provide optimal medical care to IDF soldiers at all times (including wartime), to prevent disease and promote health, advance military medicine, and aid the civilian sector as ordered by the Government of Israel.

In this special issue of Israel Medical Association Journal (IMAJ) is to expose readers to the continuous efforts of the IDF-MC to fulfill its mission by promoting research in multiple medical fields, including trauma, ambulatory care, health administration. In addition, in this issue of IMAJ, authors discuss the unique collaboration with the civilian system during the coronavirus disease 2019 (COVID-19) pandemic.

Trauma and trauma-related injuries are the main focus of military medical research. Ben-Avi and colleagues [2] described outcomes of emergent exploratory thoracotomies on military casualties and addresses parameters that may impact the survival of these casualties. Minervini [3] further discussed the issue. Bez et al. [4] researched the impact of isolated versus non-isolated traumatic brain injuries on injury identification and decision-making by care providers in austere scenarios. Tsur and co-authors [5] described the characteristics of a unique type of terror attack: vehicle ramming.

Additional examples of treatments provided in the military prehospital arena were analyzed by Nakar and colleagues [6] who discussed how to assess pain medications administered to trauma casualties in the past two decades by IDF-MC care providers. Rittblat et al. [7] further described the use of freeze-dried plasma, a blood component used in the prehospital arena and administered via intraosseous vascular access.

The IDF-MC is a continuously changing organization emphasizing the adoption of advanced technologies and devices. Chen et al. [8] presented a blinded study on the use of point-of-care ultrasound and remote telementored ultrasound by inexperienced operators, and Sorkin et al. [9] described the BladeShield 101: a novel device for the battlefield designed to continuously measure vital signs and medical treatment provided and to transfer data through roles of care.

In this special issue of IMAJ, authors also discusse gender-related aspects at the core of medical treatment. Segal et al. [10] examined whether missed injuries were related to the medical provider's gender, while Gelikas et al. [11] assessed whether treatment with analgesia was associated with casualty gender in the military prehospital trauma setting

Over the past two and a half years, the COVID-19 pandemic has been a significant part of our lives. During these years, medical systems and teams throughout Israel and around the world struggled to adapt to this new disease and save lives fighting the pandemic. Geva et al. [12] and Shental et al. [13] discussed the impact of COVID-19 on the IDF medical system, lessons learned during the outbreak, and effects of different diseases during these times on medical treatment provided by the IDF to soldiers.

Gil A. Geva MD, Maya Nitecki MD, Itay Ketko MSc, Itay Toledo BSc, Sagi A. Shpitzer MD, Avi Benov MD MHA, Noam Fink MD, and Ariel Furer MD MBA

Background: To mitigate the spread of coronavirus disease 2019 (COVID-19), national guidelines, in accordance with international health authorities, mandated 14 days of quarantine for every close contact of a confirmed COVID-19 patient. Although health benefits are obvious, consequences are profound, especially for organizations required to maintain operational preparedness.

Objectives: To present the Israel Defense Force (IDF) experience with outbreaks regarding quarantined individuals. To weigh the consequences of quarantined individuals needed for workforce and operation.

Methods: All positive COVID-19 cases in the IDF, as measured by a positive rRT-PCR test result, between 29 February and 18 May 2020 were evaluated. Numbers of positive individuals, quarantined individuals, and confirmatory exams conducted were collected. We compared the events in four units with the largest outbreaks and assessed the impact of confirmed cases, tests conducted, and workforce loss due to quarantine.

Results: Of the 187 soldiers who tested positive for COVID-19, source of infection was traced to 140 soldiers (75%). Almost no medical treatment was delivered, and hospitalization was rare. We found a median of 15.2% (interquartile range 5.3–34) for decline in unit workforce due to quarantine measures. Maximum reduction reached 47% of the workforce in one unit.

Conclusions: Despite a relatively small number of confirmed cases, units underwent a substantial change in mode of operation due to the toll of quarantined individuals. In certain populations and organizations, perhaps a more liberal application of isolation and contact tracing is suitable due to the heavy economic burden and consequences in term of operational readiness.

Omri Shental MD MHA, Ilan Y. Mitchnik MD, Edward Barayev MD MHA, Lior Solomon MD, Liron Gershovitz MD, Shaul Gelikas MD MBA, Avi Benov MD MHA, and Yuval Ran MD MHA MPA

Background: Coronavirus disease 2019 (COVID-19) led to two nationwide lockdowns in Israel, reducing both supply and demand for medical services in the Israel Defense Force (IDF). IDF soldiers serve on bases within Israel, and most of them return home at the end of the day, similar to other armies in the world.

Objectives: To analyze the health services provided by the IDF with regard to policy changes during lockdowns.

Methods: We compared medical encounters between different services provided by the IDF Medical Corps. We related them to specific time periods: pre-first lockdown, first lockdown (and corresponding timeframes of the previous 3 years), between lockdowns, second lockdown, and post-second lockdown.

Results: Compared to past periods, we found a similar reduction of 27–30% in primary care medical encounter rates during the two lockdowns: 42–43% in sick days and 50–54% in referrals to the emergency department. Referral rates to all specialist medical encounters and elective surgeries decreased significantly during the first lockdown period and increased 1.2–3.5 times during the second lockdown.

Conclusions: A continuance of the shift to telehealth is required to withstand a future lockdown, with a full supply of secondary medical services attuned to core medical issues relevant for combat personnel. A liberal sick leave policy is required to eliminate unnecessary in-person visits, thus reducing the risk of infection.

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