Dror Dicker

• Meir Medical Center

Background Over the past decade, diabetes mellitus (DM) has emerged as a growing epidemic, with a direct link to an increased risk of hospitalization and a strong effect of glycemic control on clinical outcomes. The aim of this document was to critically appraise and adapt existing clinical practice guidelines (CPGs) to provide specific recommenda...

Aim To evaluate the association of metformin continuation with relapse of diabetes after metabolic bariatric surgery (MBS) in patients with type 2 diabetes and obesity who achieved an HbA1c level of less than 6.5%. Materials and Methods This observational, retrospective cohort study included Clalit Health Service members aged 24 years or older wit...

Background An international panel of obesity medicine experts from multiple professional organizations examined patterns of obesity care and current obesity treatment guidelines to identify areas requiring updating in response to emerging science and clinical evidence. Aims The panel focused on multiple medical health and societal issues influenci...

Metabolic dysfunction-associated steatotic liver disease (MASLD), previously termed non-alcoholic fatty liver disease (NAFLD), is defined as steatotic liver disease (SLD) in the presence of one or more cardiometabolic risk factor(s) and the absence of harmful alcohol intake. The spectrum of MASLD includes steatosis, metabolic dysfunction-associated...

Metabolic dysfunction-associated steatotic liver disease (MASLD), previously termed non-alcoholic fatty liver disease (NAFLD), is defined as steatotic liver disease (SLD) in the presence of one or more cardiometabolic risk factor(s) and the absence of harmful alcohol intake. The spectrum of MASLD includes steatosis, metabolic dysfunction-associated...

Importance Evidence regarding the relative effectiveness of bariatric metabolic surgery (BMS) and glucagon-like peptide-1 receptor agonists (GLP-1RAs) in reducing mortality and major adverse cardiovascular events (MACEs) is limited. Objective To compare all-cause mortality and nonfatal MACEs associated with BMS vs GLP-1RAs for adults with obesity...

Comparative evidence for the effects of bariatric metabolic surgery (BMS) and glucagon-like peptide-1 receptor agonists (GLP-1RA) on cardiovascular outcomes is limited. Here, in an observational, retrospective cohort study, we compared the incidence of congestive heart failure (CHF) in adults living with obesity and diabetes without history of CHF...

In the SELECT cardiovascular outcomes trial, semaglutide showed a 20% reduction in major adverse cardiovascular events in 17,604 adults with preexisting cardiovascular disease, overweight or obesity, without diabetes. Here in this prespecified analysis, we examined effects of semaglutide on weight and anthropometric outcomes, safety and tolerabilit...

Given the importance and continued interest in finding a simple, accessible, and universal measure which reflects both general and abdominal adiposity, this study tested for an association of the ratio of WC decile to BMI decile (WC-d/BMI-d) with all-cause mortality. Individuals aged 18–79 years who had participated in the National Health and Nutri...

The purpose of this work was to investigate the effect of clinical pharmacist consultation on the long-term morbidity and mortality outcomes among patients undergoing bariatric surgery. In this retrospective cohort study, 165 bariatric patients at Herzliya Medical Center who were identified as complex cases and were consulted by a clinical pharmaci...

Introduction This survey of international experts in obesity management was conducted to achieve consensus on standardized definitions and to identify areas of consensus and non-consensus in metabolic bariatric surgery (MBS) to assist in an algorithm of clinical practice guidelines for the management of obesity. Methods A three-round Delphi survey...

Obesity is a complex disease that relapses frequently and associates with multiple complications that comprise a worldwide health priority because of its rising prevalence and association with numerous complications, including metabolic disorders, mechanic pathologies, and cancer, among others. Noteworthy, excess adiposity is accompanied by chronic...

Introduction: The predictive capability of waist circumference (WC) and body mass index (BMI) in cardiometabolic risk is well known. Both indices increase with age, yet the changes in WC relative to BMI, especially for a given BMI category, are not fully understand. This study aimed to assess changes with increasing age, of the ratio of WC-decile t...

OBJECTIVE These post hoc analyses of the Semaglutide Treatment Effect in People with obesity (STEP) 1–3 trials (NCT03548935, NCT03552757, and NCT03611582) explored the effects of semaglutide (up to 2.4 mg) on kidney function. RESEARCH DESIGN AND METHODS STEP 1–3 included adults with overweight/obesity; STEP 2 patients also had type 2 diabetes. Par...

Introduction Previous studies have shown disruption of glycometabolic control and new diabetes mellitus (DM) diagnosis among patients with COVID-19. It is still unclear how the association of COVID-19 and new-onset DM may be modified by disease severity or vary over time, during acute and post-acute phases. Research design and methods In this retr...

Introduction: Obesity affects nearly 1 in 4 European adults increasing their risk for mortality and physical and psychological morbidity. Obesity is a chronic relapsing disease characterized by abnormal or excessive adiposity with risks to health. Medical nutrition therapy based on the latest scientific evidence should be offered to all Europeans...

The current data on climate change and environmental degradation are dramatic. The consequences of these changes are already having a significant impact on people's health. Physicians — as advocates of the patients, but also as citizens — have an ethical obligation to be involved in efforts to stop these changes. The European Federation of Internal...

We describe the longitudinal kinetics of the serological response in COVID-19 recovered patients over a period of 14 months. The antibody kinetics in a cohort of 192 recovered patients, including 66 patients for whom follow-up serum samples were obtained at two to four clinic visits, revealed that RBD-specific antibodies decayed over the 14 months...

Obesity is a heterogenous condition that affects the life and health of patients to different degrees and in different ways. Yet, most approaches to treat obesity are not currently prescribed, at least in a systematic manner, based on individual obesity sub-phenotypes or specifically-predicted health risks. Adipose tissue is one of the most evident...

Background: With large waves of infection driven by the B.1.1.529 (omicron) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), alongside evidence of waning immunity after the booster dose of coronavirus disease 2019 (Covid-19) vaccine, several countries have begun giving at-risk persons a fourth vaccine dose. Methods: To ev...

Obesity is a heterogenous condition that affects the life and health of patients to different degrees and in different ways. Yet, most approaches to treat obesity are not currently prescribed, at least in a systematic manner, based on individual obesity sub-phenotypes or specifically-predicted health risks. Adipose tissue is one of the most evident...

Цель: В последние десятилетия был проведен ряд исследований, изменивших тактику ведения пациентов с острой легочной эмболией (ЛЭ) с точки зрения диагностики и лечения. Обновленные версии международных клинических рекомендаций (КР) подтвердили значимость этих исследований. Цель данного документа – адаптировать существующие КР для помощи практикующим...

Introduction: Loss of skeletal muscle mass and function (sarcopenia) is common in individuals with obesity due to metabolic changes associated with a sedentary lifestyle, adipose tissue derangements, comorbidities (acute and chronic diseases) and during the ageing process. Co-existence of excess adiposity and low muscle mass/function is referred t...

Background The European Association for Endoscopic Surgery Bariatric Guidelines Group identified a gap in bariatric surgery recommendations with a structured, contextualized consideration of multiple bariatric interventions. Objective To provide evidence-informed, transparent and trustworthy recommendations on the use of sleeve gastrectomy, Roux-e...

Background Several trials have been conducted in the last decades that challenged the management of patients with acute pulmonary embolism (PE) in terms of diagnosis and treatment. Updated international clinical practice guidelines (CPGs) endorsed the evidence from these trials. The aim of this document was to adapt recommendations from existing CP...

Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are well established in clinical practice for the treatment of type 2 diabetes, and are approved and recommended for weight management in overweight or obesity. Gastrointestinal side effects are well known as the most common adverse effects of these agents and represent a potential barrier for us...

Here, we describe the longitudinal kinetics of the serological response in COVID-19 recovered patients over the period of 14 months. The antibody kinetics in a cohort of 200 recovered patients with 89 follow up samples at 2-4 visits reveal that RBD-specific antibodies decay over the period of 14 month following the onset of symptoms. The decay rate...

Aim: We evaluated gastrointestinal (GI) adverse events (AEs) with once-weekly semaglutide 2.4 mg in adults with overweight/obesity and their contribution to weight loss (WL). Materials and methods: AE analyses pooled data from the Semaglutide Treatment Effect in People With Obesity (STEP) 1-3 trials for participants randomized to 68 weeks' semag...

This patient guideline is intended for all patients at risk of or living with non-alcoholic fatty liver disease (NAFLD). NAFLD is the most frequent chronic liver disease worldwide and comes with a high disease burden. Yet, there is a lot of unawareness. Furthermore, many aspects of the disease are still to be unravelled, which has an important impa...

In adults with overweight or obesity, continued treatment with OW s.c. semaglutide 2.4 mg led to clinically relevant weight loss, while switching to placebo led to significant weight regain; these data underscore the chronicity and relapsing nature of obesity, and the need for continued treatment. Publication History Publication Date: 24 September...

There is a need for updated practice recommendations on exercise in the management of overweight and obesity in adults. We summarize the evidence provided by a series of seven systematic literature reviews performed by a group of experts from across Europe. The following recommendations with highest strength (Grade A) were derived. For loss in body...

We aimed to assess the effectiveness of exercise training programs in adults with severe obesity undergoing bariatric surgery. A systematic search of controlled trials published up to October 2019 that assigned participants to either a preoperative or postoperative exercise training group or a nonexercise group was performed. Meta‐analyses were con...

This systematic review examined the impact of exercise intervention programs on selected cardiometabolic health indicators in adults with overweight or obesity. Three electronic databases were explored for randomized controlled trials (RCTs) that included adults with overweight or obesity and provided exercise-training interventions. Effects on blo...

This study systematically identified the effects of exercise on multiple psychological outcomes among adults with overweight/obesity, also assessing whether these effects differed across exercise types, genders, age, and body mass index (BMI) categories. Pubmed, Web of Science, PsychInfo, and SportDiscus were searched up to October 2019 for peer-re...

Background: In people with overweight or obesity, long-term maintenance of weight loss is challenging. Subcutaneous (s.c.) semaglutide, a glucagon-like peptide-1 analogue, has shown clinically-relevant weight loss in a phase 2 trial in people with obesity. STEP 4 investigated the impact of continued semaglutide 2.4 mg treatment, vs switching to pla...

This systematic review examined the effect of exercise training interventions on physical fitness in adults with overweight or obesity and compared the effectiveness of different types of exercise training. Four electronic databases were searched. Articles were included if they described randomized controlled trials of exercise training interventio...

This systematic review examined the impact of exercise training interventions on energy intake (EI) and appetite control in adults with overweight/obesity (≥18 years including older adults). Articles were searched up to October 2019. Changes in EI, fasting appetite sensations, and eating behavior traits were examined with random effects meta‐analys...

This overview of reviews aimed to summarize the effects of exercise training programs on weight loss, changes in body composition, and weight maintenance in adults with overweight or obesity. A systematic search of systematic reviews and meta‐analyses (SR‐MAs) published between 2010 and December 2019 was performed. Only SR‐MAs of controlled trials...

Multicomponent behavior change interventions are typically used in weight management, but results are largely heterogeneous and modest. Determining which techniques (behavior change technique [BCTs]) are more effective in changing behavior is thus required. This study aimed to identify the most effective BCTs for increasing physical activity (PA) i...

Importance The effect of continuing vs withdrawing treatment with semaglutide, a glucagon-like peptide 1 receptor agonist, on weight loss maintenance in people with overweight or obesity is unknown. Objective To compare continued once-weekly treatment with subcutaneous semaglutide, 2.4 mg, with switch to placebo for weight maintenance (both with l...

Objective We aimed to make a meta-analysis regarding the impact of bariatric surgery on TSH levels, levothyroxine dose, and the status of subclinical hypothyroidism. Summary Background Data Many health benefits of bariatric surgery are known and well-studied, but there is scarce data on the benefits of bariatric surgery on the thyroid function. M...

Despite ongoing efforts to characterize the host response toward SARS-CoV-2, a major gap in our knowledge still exists regarding the magnitude and duration of the humoral response. Analysis of the antibody response in mild versus moderate/severe patients, using our new developed quantitative electrochemiluminescent assay for detecting IgM/IgA/IgG a...

Objective Data are sparse regarding the survival benefit of bariatric surgery on mortality among persons with diabetes. We aimed to investigate the association of bariatric surgery, compared with usual care, on all-cause mortality in individuals who underwent surgery and matched controls, stratified by the presence of diabetes. Research Design and...

Background People with obesity (PwO) often struggle to achieve and maintain weight loss. This can perpetuate and/or be influenced by feelings of low motivation. This analysis from ACTION-IO data identified factors associated with PwO motivation to lose weight. Methods PwO completed an online survey in 11 countries. Exploratory multinomial logistic...

Background: The care of people with obesity is often suboptimal due to both physician and patient perceptions about obesity itself and clinical barriers. Using data from the ACTION-IO study, we aimed to identify factors that might improve the quality of obesity care through adoption of the 3D approach (Discussion, Diagnosis and Direction [follow-u...

Patients with coronavirus disease 2019 (COVID-19) suffer from severe respiratory symptoms consistent with acute respiratory distress syndrome (ARDS). The clinical presentation of ARDS in COVID-19 is often atypical, as COVID-19 patients exhibit a disproportionate hypoxemia as compared to a relatively preserved lung mechanics. This pattern is more si...

Objective Previous studies using longitudinal weight data to characterize obesity are based on populations of limited size and mostly include individuals of all BMI levels, without focusing on weight changes among people with obesity. This study aimed to identify body mass index (BMI) trajectories over 5 years in a large population with obesity, an...

Background: Obesity is a highly prevalent, complex, and chronic relapsing disease with a considerable unmet medical need. We aimed to identify perceptions, attitudes, behaviors, and barriers to effective obesity treatment among people with obesity (PwO) and physicians in Israel. Methods: The ACTION-IO study was an online survey conducted in 11 c...

Objective: Obesity is a major risk factor for becoming seriously ill with the 2019 novel coronavirus (COVID-19). One difficulty faced by clinicians and by patients is the unknown time frame of hospitalization until discharge of symptomatic patients. Methods: We followed 34 patients with laboratory-confirmed COVID-19 infection who recovered fromt...

Facing the novel coronavirus disease (COVID-19) pandemic, evidence to inform decision-making at all care levels is essential. Based on the results of a study by Petrilli et al., we have developed a calculator using patient data at admission to predict critical illness (intensive care, mechanical ventilation, hospice care, or death). We report a ret...

As COVID-19 has been expanding rapidly around the world, the types of patients and their backgrounds vary. The substantially altered GI anatomy/physiology after bariatric surgery presents new challenges to the field of oral drug therapy. In this report we highlight issues for consideration when treating COVID-19 patients who previously underwent ba...

The breadth of the humoral immune response following SARS-CoV-2 infection was indicated to be important for recovery from COVID-19. Recent studies have provided valuable insights regarding the dynamics of the antibody response in symptomatic COVID-19 patients. However, the information regarding the dynamics of the serological and cellular memory in...

Accumulating evidence suggests that obesity is a major risk factor for the initiation, progression, and outcomes of coronavirus disease 2019 (COVID-19). The European Association for the Study of Obesity (EASO), as a scientific and medical society dedicated to the promotion of health and well-being, is greatly concerned about the concomitant obesity...

The World Health Organization declared COVID-19, the infectious disease caused by the coronavirus SARS-CoV-2, a pandemic on March 12, 2020. COVID-19 is causing massive health problems and economic suffering around the world. The European Association for the Study of Obesity (EASO) promptly recognised the impact that the outbreak could have on peopl...

Background: The growing prevalence of obesity and its complications pose a huge burden on the individual and health care systems worldwide. This study presents the frequency of multiple prevalent co-morbidities and estimated annual cost burden by body mass index (BMI) groups, age, and sex among the Israeli adult population to provide policy makers...

Background Surgery for obesity and metabolic diseases has been evolved in the light of new scientific evidence, long-term outcomes and accumulated experience. EAES has sponsored an update of previous guidelines on bariatric surgery.MethodsA multidisciplinary group of bariatric surgeons, obesity physicians, nutritional experts, psychologists, anesth...

Objective The obesity epidemic is a public health concern, warranting further research into pharmacological treatments for weight management (WM) as an adjunct to lifestyle interventions. The Semaglutide Treatment Effect in People with obesity (STEP) program aims to investigate the effect of semaglutide versus placebo on weight loss, safety, and to...

The rising number of clinical guidelines poses a new challenge to the internists. The main problems are: 1) available documents suffer from heterogeneous methodological quality, and 2) most of clinical guidelines target an 'ideal' patient affected by a single condition, while in real practice internists must face with comorbid patients typically un...

The concept of Less is More medicine emerged in North America in 2010. It aims to serve as an invitation to recognize the potential risks of overuse of medical care that may result in harm rather than in better health, tackling the erroneous assumption that more care is always better. In response, several medical societies across the world launched...

Objective: Most individuals with type 2 diabetes also have obesity, and treatment with some diabetes medications, including insulin, can cause further weight gain. No approved chronic weight-management medications have been prospectively investigated in individuals with overweight or obesity and insulin-treated type 2 diabetes. The primary objecti...

People with obesity commonly face a pervasive, resilient form of social stigma. They are often subject to discrimination in the workplace as well as in educational and healthcare settings. Research indicates that weight stigma can cause physical and psychological harm, and that affected individuals are less likely to receive adequate care. For thes...

Introduction Bariatric surgery is associated with lower all-cause mortality, but many studies exclude smokers. We sought to determine if the association of mortality and bariatric surgery differs between smokers and non-smokers. Materials and Methods We conducted a retrospective cohort study in a large Israeli integrated payer/provider health care...

Background Identifying risk factors for conversion to diabetes among individuals with obesity and prediabetes is important for preventing diabetes. Purpose We assessed conversion rates to diabetes 5 years after three types of metabolic surgery and examined predictors of diabetes development. Methods We accessed data of individuals with prediabete...

Introduction: In the last decade, the number of bariatric surgery procedures increased dramatically in Israel similar to what has occurred worldwide. Bariatric surgery procedures have a proven efficacy in the treatment of morbid obesity. However, post-operative complications that involve the gastrointestinal tract may occur. Beyond the importance...

Background: Sarcopenic obesity is a clinical and functional condition characterized by the coexistence of excess fat mass and sarcopenia. Currently, different definitions of sarcopenic obesity exist and its diagnostic criteria and cut-offs are not universally established. Therefore, the prevalence and sensitivity of this condition for any disease...

Aims Despite increased recognition as a chronic disease, obesity remains greatly underdiagnosed and undertreated. We aimed to identify international perceptions, attitudes, behaviours and barriers to effective obesity care in people with obesity (PwO) and healthcare professionals (HCPs). Methods An online survey was conducted in 11 countries. Part...

Obesity is a frequent, serious, complex, relapsing, and chronic disease process that represents a major public health problem. The coining of obesity as an adiposity-based chronic disease (ABCD) is of particular relevance being in line with EASO’s proposal to improve the International Classification of Diseases ICD-11 diagnostic criteria for obesit...

Purpose: DiaRem is a clinical scoring system designed to predict diabetes remission (DR) 1-year post-Roux-en-Y gastric bypass (RYGB). We examined long-term (2- and 5-year) postoperative DR prediction by DiaRem and an advanced-DiaRem (Ad-DiaRem) score following RYGB, sleeve gastrectomy (SG), and gastric banding (GB). Methods: We accessed data fro...

The first contact for patients with obesity for any medical treatment or other issues is generally with General Practitioners (GPs). Therefore, given the complexity of the disease, continuing GPs’ education on obesity management is essential. This article aims to provide obesity management guidelines specifically tailored to GPs, favouring a practi...

Background Professional skills and academic records of the highest degree are essential requirements for the chairmanship of internal medicine departments. Whether the new generation and future successors of Israeli chairmen is endowed with these attributes is not known. Purpose To determine whether there is a lack of future suitable successors fo...

The prevalence of overweight and obesity has reached epidemic proportions worldwide due to increasingly pervasive obesogenic lifestyle changes. Obesity poses unprecedented individual, social, and multidisciplinary medical challenges by increasing the risk for metabolic diseases, chronic organ failures, and cancer as well as complication rates in th...

Objective The American Diabetes Association and the European Association for the Study of Diabetes guidelines recommend to individualize treatment targets/strategies in inadequately controlled patients by lifestyle management and glucose-lowering drugs to decrease the burden of diabetes-related complications. This real-world practice study aimed to...

Background: Type 2 diabetes mellitus is a multifactorial disease in which genetic susceptibility and environmental factors induce pancreatic β-cell dysfunction and insulin resistance. Additional factors such as hyperglycemia and hyperlipidemia have roles in β-cell dysfunction and disease progression. The phenomenon of lipid-induced pancreatic β-dy...

Bariatric patients may face specific clinical problems after surgery, and multidisciplinary long-term follow-up is usually provided in specialized centers. However, physicians, obstetricians, dieticians, nurses, clinical pharmacists, midwives, and physical therapists not specifically trained in bariatric medicine may encounter post-bariatric patien...

The prevalence of overweight and obesity has reached epidemic proportions worldwide due to increasingly pervasive obesogenic lifestyle changes. Obesity poses unprecedented individual, social and multi-disciplinary medical challenges by increasing the risk for metabolic diseases, chronic organ failures and cancer, as well as complication rates in th...

Importance: Bariatric surgery is an effective and safe approach for weight loss and short-term improvement in metabolic disorders such as diabetes. However, studies have been limited in most settings by lack of a nonsurgical group, losses to follow-up, missing data, and small sample sizes in clinical trials and observational studies. Objective:...

Objective: Investigate the association between BMI, length of stay (LOS) and mortality in hospitalized patients with and without diabetes mellitus (DM). Methods: Historical prospectively collected data of adult patients hospitalized between 2011 and 2013. BMI was calculated according to measurement or self-report on admission, and classified as...

Bariatric surgery is today the most effective long-term therapy for the management of patients with severe obesity, and its use is recommended by the relevant guidelines of the management of obesity in adults. Bariatric surgery is in general safe and effective, but it can cause new clinical problems and is associated with specific diagnostic, preve...

Aims/hypothesis: Not all people with type 2 diabetes who undergo bariatric surgery achieve diabetes remission. Thus it is critical to develop methods for predicting outcomes that are applicable for clinical practice. The DiaRem score is relevant for predicting diabetes remission post-Roux-en-Y gastric bypass (RYGB), but it is not accurate for all...