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עמוד בית
Tue, 27.02.24

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June 2023
Dante Antonelli MD, Vladimir Poletaev MD, Alexander Feldman MD

Inappropriate shocks are a serious and still unresolved problem associated with implantable cardioverter defibrillators (ICDs) that have been associated with increased mortality and impairment of quality of life [1] despite advances in device safety. We report a case of electromagnetic interference (EMI) while showering that resulted in an inappropriate ICD discharge.

March 2023
Itamar Feldman MD, Ramzi Kurd MD, Gideon Nesher MD, Mohamed Zaghal MD, Gabriel S. Breuer MD

Optic neuritis is an inflammation of the optic nerve and has several causes. The hallmarks of clinical manifestation are pain on movement of the eyes and decreased vision. Typical optic neuritis is an idiopathic demyelinating condition that is often associated with multiple sclerosis, affects young women, is unilateral, and has a good prognosis.

January 2023
Naama Hermann MD, Pnina Mor CNM PhD, Orit Kaidar-Person MD, Rinat Bernstein-Molho MD, Mali Brodsky RN MSc, Dana Madorsky Feldman MD, Anath A. Flugelman MD MPH MA, Hadar Aboody Nevo MD, Danna Meshoulam Avital MD, Miri Sklair-Levy MD, Eitan Friedman MD PhD, Tanir M. Allweis MD

Background: Population screening for the BRCA mutations in Ashkenazi Jewish women was recently implemented in Israel and is expected to lead to a 10-fold increase in the diagnosis of asymptomatic carriers. Performing the screening follow-up within multidisciplinary dedicated clinics for carriers is recommended for early detection and risk reduction.

Objectives: To determine the availability, capacity, and practices of dedicated screening clinic for BRCA carriers in Israel.

Methods: A telephone-based survey of all public hospitals in Israel was conducted October 2020 to August 2021 to determine whether they had a dedicated clinic. Dedicated clinics were defined as multidisciplinary screening clinics offering at least breast and gynecological screening and risk reducing services on site. The clinic director or nurse navigator answered a questionnaire about screening practices followed by a semi-structured interview.

Results: Of the ten dedicated BRCA clinics found in Israel, nine participated. Approximately 4500 BRCA carriers are currently being followed. No specialized clinics are available in the southern district or in the northernmost half of the northern district of Israel, leading to a disparity between periphery and center. Screening recommendations, although asserted as adhering to international guidelines, vary among clinics including age at initiating of clinical exam, use of adjunct imaging modalities, and follow-up during lactation and after risk reducing surgery.

Conclusions: There is a suboptimal distribution of dedicated clinics for BRCA carriers in Israel. Nationally centralized attempt to create guidelines that will unify screening practices is warranted, especially considering the expected increase in demand.

June 2022
Ron Feldman PT MSc, Tamar Pincus MPhil MSc PhD, and Noa Ben Ami PT PhD

Background: Self-management, an active life routine, and adherence to physical activity are effective in the management of low back pain (LBP). However, delivering effective education and reassurance to patients can be a difficult for practitioners. The enhanced transtheoretical model intervention (ETMI) has shown to be successful and cost effective. The intervention focuses on educating practitioners to reassure patients, empower them to increase physical activity, and improve their self-efficacy.

Objectives: To assess whether ETMI can be implemented among primary care practitioners and to examine whether it reduces pain, disability, and fear avoidance as well as decreasing healthcare utilization. This protocol outlines the methodology for the implementation of ETMI through a hybrid implementation–effectiveness design.

Methods: Two qualitative and mixed-method studies provided a basis for an implementation prospective cohort study. Discussions are followed by a prospective cohort study with pre-and post-intervention measures as well as descriptions retrieving economic and therapeutic outcome data from the Maccabi Healthcare Services (MHS) databases. In addition, a fourth qualitative study was conducted at the midpoint of the implementation to evaluate the process by measuring the perceptions and practice of practitioners. The intervention group was 220 primary care practitioners and their patients (~n=10,000) from the central district of MHS. The control data was provided by other care districts with similar socioeconomic makeup (~n=40,000).

Conclusions: We evaluated the process and outcomes of the implementation of ETMI. We investigated the relationship between the care received (ETMI against treatment as usual) and healthcare utilization, costs, and patient-clinical outcomes.

May 2022
Moria Mahanaimy MD MPH, Uriah Finkel MA, Noam Barda MD PhD, Eytan Roitman MD, Ran Balicer MD PhD MPH, Adi Berliner Senderey MSc MPH, and Becca Feldman ScD

Background: The association between use of renin-angiotensin-aldosterone (RAAS) inhibitors and both SARS-CoV-2 infection and the development of severe COVID-19 has been presented in the recent medical literature with inconsistent results.

Objectives: To assess the association between RAAS inhibitor use and two outcomes: infection with SARS-CoV-2 (Model 1) and severe COVID-19 among those infected (Model 2).

Methods: We accessed used electronic health records of individuals from Israel who were receiving anti-hypertensive medications for this retrospective study. For Model 1 we used a case-control design. For Model 2 we used a cohort design. In both models, inverse probability weighting adjusted for identified confounders as part of doubly robust outcome regression.

Results: We tested 38,554 individuals for SARS-CoV-2 who had hypertension and were being treated with medication; 691 had a positive test result. Among those with a positive test, 119 developed severe illness. There was no association between RAAS inhibitor use and a positive test. Use of RAAS inhibitors was associated with a decreased risk for severe COVID-19 (adjusted odds ratio [OR] 0.47, 95% confidence interval [95%CI] 0.29–0.77) compared with users of non-RAAS anti-hypertensive medication. The association remained significant when use of angiotensin-converting-enzyme inhibitors (adjusted OR 0.46, 95%CI 0.27–0.77) and angiotensin II receptor blockers (adjusted OR 0.39, 95%CI 0.16–0.95) were analyzed separately.

Conclusions: Among individuals with hypertension using RAAS inhibitors, we found a lower risk of severe disease compared to those using non-RAAS anti-hypertensive medications. This finding suggests that RAAS inhibitors may have a protective effect on COVID-19 severity among individuals with medically treated hypertension.

February 2022
Itamar Feldman MD, Yigal Frank MD, Ayman Natsheh MD, and Gabriel S. Breuer MD
November 2021
Guy Feldman MD, Yoram A. Weil MD, Ram Mosheiff MD, Amit Davidson MD, Nimrod Rozen MD PhD, and Guy Rubin MD

Background: Toward the end of 2019, the coronavirus disease-2019 (COVID-19) pandemic began to create turmoil for global health organizations. The illness, caused by the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), spreads by droplets and fomites and can rapidly lead to life-threatening lung disease, especially for the old and those with health co-morbidities. Treating orthopedic patients, who presented with COVID-19 while avoiding nosocomial transmission, became of paramount importance.

Objectives: To present relevant methods for pandemic control and hospital accommodation with emphasis on orthopedic surgery.

Methods: We searched search PubMed and Google Scholar electronic databases using the following keywords: COVID-19, SARS-CoV-2, screening tools, personal protective equipment, and surgery triage.

Results: We included 25 records in our analysis. The recommendations from these records were divided into the following categories: COVID-19 disease, managing orthopedic surgery in the COVID-19 era, general institution precautions, triage of orthopedic surgeries, preoperative assessment, surgical room setting, personal protection equipment, anesthesia, orthopedic surgery technical precautions, and department stay and rehabilitation.

Conclusions: Special accommodations tailored for each medical facility, based on disease burden and available resources can improve patient and staff safety and reduce elective surgery cancellations. This article will assist orthopedic surgeons during the COVID-19 medical crisis, and possibly for future pandemics

June 2021
Dante Antonelli MD, Alexander Feldman MD, Nahum Adam Freedberg MD, and Yoav Turgeman MD
May 2021
Alexander Feldman MD, Nahum A. Freedberg MD, Dante Antonelli MD, Ehoud Rozner MD, and Yoav Turgeman MD

Background: Patients admitted to the hospital after successful resuscitation from sudden cardiac death (SCD) are treated with therapeutic hypothermia (TH) to facilitate brain preservation. The prognostic significance of J (Osborn) waves (JOW) in the 12 leads electrocardiogram in this setting has not been elucidated as yet.

Objectives: To ascertain retrospectively the prognostic significance of JOW recorded during TH in SCD survivors.

Methods: The study comprised 55 consecutive patients who underwent TH. All patients achieved a core temperature of 33°C at the time of electrocardiogram analysis. We compared 33 patients with JOW to 22 patients without JOW. The endpoints were in-hospital, long-term all-cause mortality, and irreversible anoxic brain injury (IABI).

Results: Patients with JOW compared to patients without JOW were younger (55.1 ± 11.6 vs. 64.5 ± 11.7 years, respectively, P < 0.006), with a lower incidence of hypertension (52% vs. 86%, P < 0.007), diabetes mellitus (15% vs. 50%, P < 0.005), and congestive heart failure (15% vs. 45%, P < 0.013). In-hospital and long-term mortality were significantly higher in patients without JOW (86% vs. 21%, 91% vs. 24%, respectively, P < 0.000001). Among patients without JOW who survived hospitalization, 66.7% presented with IABI versus 7.7% of the patients with JOW (P < 0.0001). In multivariate analysis, the absence of JOW was a significant predictor for poor prognosis.

Conclusions: The absence of J (Osborn) waves on electrocardiograms obtained during TH is associated with poor prognosis among SCD survivors

August 2019
Baruch Levi PhD, Malke Borow JD, Leah Wapner JD LLM and Zeev Feldman MD

Global trends, such as the population aging, the increase of chronic morbidity, soaring costs of healthcare services, and work overload in hospitals raise the need to find innovative solutions for providing quality medical services. One solution adopted by healthcare systems around the world is "home hospitalization," that is, providing an array of necessary health services in the patient's home, instead of in the hospital department. The aim of this focus article is to explore the spread of home hospitalization worldwide and examine the challenges and pathways for its adoption and implementation. Many countries, including the United States, Canada, the United Kingdom, and Australia, operate home-based hospitalization programs. In Israel, the service is in its infancy, but in view of the extreme workload and the high mortality rate from infections in acute care hospitals, home hospitalization has recently gained public interest and political support, which may encourage its further development.

September 2018
Keren Cohen-Hagai MD, Dan Feldman MD, Tirza Turani-Feldman BOT, Ruth Hadary MD, Shilo Lotan MD and Yona Kitay-Cohen MD

Background: Magnesium is an essential intracellular cation. Magnesium deficiency is common in the general population and its prevalence among patients with cirrhosis is even higher. Correlation between serum levels and total body content is poor because most magnesium is intracellular. Minimal hepatic encephalopathy is a subclinical phase of hepatic encephalopathy with no overt symptoms. Cognitive exams can reveal minor changes in coordination, attention, and visuomotor function, whereas language and verbal intelligence are usually relatively spared.

Objectives: To assess the correlation between intracellular and serum magnesium levels and minimal hepatic encephalopathy.

Methods: Outpatients with a diagnosis of compensated liver cirrhosis were enrolled in this randomized, double-blinded study. Patients were recruited for the study from November 2013 to January 2014, and were randomly assigned to a control (placebo) or an interventional (treated with magnesium oxide) group. Serum and intracellular magnesium levels were measured at enrollment and at the end of the study. Cognitive function was assessed by a specialized occupational therapist.

Results: Forty-two patients met the inclusion criteria, 29 of whom were included in this study. Among these, 83% had abnormal cognitive exam results compatible with minimal hepatic encephalopathy. While only 10% had hypomagnesemia, 33.3% had low levels of intracellular magnesium. Initial intracellular and serum magnesium levels positively correlated with cognitive performance.

Conclusions: Magnesium deficiency is common among patients with compensated liver cirrhosis. We found an association between magnesium deficiency and impairment in several cognitive function tests. This finding suggests involvement of magnesium in the pathophysiology of minimal hepatic encephalopathy.

October 2017
Rima Rappaport MD, Zeev Arinzon MD, Jacob Feldman MD, Shiloh Lotan MD, Rachel Heffez-Aizenfeld MD, and Yitshal Berner MD

Background: Medication reconciliation (MR) at hospital admission, transfer, and discharge has been designated as a required hospital practice to reduce adverse drug events.

Objectives: To perform MR among elderly patients admitted to the hospital and to determine factors that influence differences between the various lists of prescribed drugs as well as their actual consumption.

Methods: We studied patients aged 65 years and older who had been admitted to the hospital and were taking at least one prescription drug.

Results: The medication evaluation and recording was performed within 24 hours of admission (94%). The mean number of medications was 7.8 per patients, 86% consumed 5 or more medications. Mismatching between medication prescribed by a primary care physician (PCP) and by real medication use (RMU) was found in 82% of patients. In PCP the most common mismatched medications were cardiovascular drugs (39%) followed by those affecting the alimentary tract, metabolism (24%), and the nervous (12%) system. In RMU, the most commonly mismatched medications were those affecting the alimentary tract and metabolism (36%). Among all causes of mismatched medications, discrepancies in one drug were found in 67%, in two drugs in 21%, and in three drugs in 13%. The mismatching was more common in females (85%) than in males (46%, P = 0.042).

Conclusions: This study provided evidence in a small sample of patients on differences of drug prescription and their use on admission and on discharge from hospital. MR processes have a high potential to identify clinically important discrepancies for all patients.

Guy Feldman MD, Nimrod Rozen MD PhD and Guy Rubin MD

Dupuytren’s disease is a common benign fibromatosis of the palmar and digital fascia. The exact pathophysiology and epidemiology of this condition have not been entirely identified. Pathologic fibrous bands cause a flexion contracture of the metacarpal phalangeal joints and proximal interphalangeal joint. Treatment includes fasciectomy, needle fasciotomy, and enzymatic fasciectomy.

March 2017
Andrew Villion MD, Zeev Arinzon MD, Jacob Feldman MD, Oded Kimchi MD and Yitshal Berner MD

Background: Arthritis and arthralgia are painful symptoms experienced by many elderly patients during hospitalization. Crystal-induced arthritis (CIA) is one of the most common causes of arthritis worldwide and represents the most common cause of acute arthritis in the elderly.  

Objective: To determine the incidence of both acute new onset or acute exacerbation of CIA among elderly patients hospitalized due to an acute medical illness.

Method: This study comprised 85 patients. Patients aged 70 years and older who complained of any articular pain were included in the study. Exclusion criteria were signs of septic arthritis, chronic use of steroids or non-steroidal anti-inflammatory drugs, or admission to the hospital due to an acute attack of CIA. 

Results: Synovial aspiration was performed in 76 patients (89%). Joint aspiration yielded a diagnosis in 67 of them (79%). The predominant type of crystal was calcium pyrophosphate dehydrate (68%) followed by monosodium urate (20%). The main causes of hospitalization were acute infectious disease (57%) followed by neurologic and cardiac diseases, 14% and 9% respectively, and orthopedic problems (6%). Among patients with acute infectious disease, the main causes were pulmonary (57%) and gastrointestinal (22%) infections. In 9 patients (12%) who underwent synovial aspiration, visible crystals were identified without a definite diagnosis.

Conclusion: Our study showed that hospitalization could be a risk factor for the development of CIA, and the time to diagnose CIA is during hospitalization for other acute illnesses.


November 2015
Alexander Feldman MD, Valeria Shaikis MD, Dante Antonelli MD, Nahum Adam Freedberg MD, Malka Yahalom MD DSc and Yoav Turgeman MD
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