Renal denervation (RDN) as a method of treating arterial hypertension (AH) was introduced in Croatia in 2012. A multidisciplinary team and a network of hospitals that diagnose and treat patients with severe forms of AH were established, and a very strict diagnostic-treatment algorithm was prepared. At monthly meetings patients with truly resistant hypertension who were candidates for RDN were discussed. According to the 2021 ESH position statement and 2023 ESH guidelines, RDN is considered an alternative and additional, not a competitive method of treating patients with various forms of AH which must be performed by following a structured procedure and the patient\'s preference should be considered. In view of the changes in the global scientific community, the Croatian Hypertension League brings this consensus document on RDN conducted with radiofrequency-based catheter, the only currently available method in Croatia. In this document, exclusion and inclusion criteria are shown, as well as three groups of patients in whom RDN could be considered. The new diagnostic-treatment algorithm is prepared and follow-up procedure is explained. In Croatia, RDN is reimbursed by the national insurance company, thus pharmacoeconomic analyses is also shown. Criteria required by an individual centre to be approved of RDN are listed, and plans for prospective research on RDN in Croatia, including the Croatian registry for RDN, are discussed.

Family physicians are burdened with a great number of guidelines considering different conditions they treat. We analyzed opinions of family physicians on electronic tools which help managing chronic conditions and their influence on patient care by cardiovascular disease (CVD) prevention guideline availability, usage and adherence. A descriptive study was performed on a convenient sample of 417 (response rate 56.0%) Croatian family physicians. Data on physician characteristics and availability, usage and adherence to CVD prevention guidelines were analyzed. The χ2-test was used for comparisons. Significance was defined as p<0.05. Family physicians who used additional electronic tools in Electronic Health Record software on more than 80% of their patients had CVD prevention guidelines more available (p<0.01) and used them more frequently (p<0.01). A group who used electronic tools on more than 80% of their patients had CVD prevention guidelines available to them frequently and used them on more than 60% of their patients, also strictly adhering to the guidelines (p<0.01). Physicians who used CVD prevention guidelines on more than 60% of their patients spent more time doing patient education (p=0.036). Using electronic tools helps Croatian family physicians in terms of availability, usage and adherence to the guidelines and quality improvement.

We assessed the methodological quality and transparency of all the national clinical practice guidelines that were published in Croatia up until 2017 and explored the factors associated with their quality rating. An in-depth quantitative and qualitative analysis was performed using rigorous methodology. We evaluated the guidelines using a validated AGREE II instrument with four raters; we used multiple linear regressions to identify the predictors of quality; and two focus groups, including guideline developers, to further explore the guideline development process. The majority of the guidelines (N = 74) were developed by medical societies. The guidelines\' quality was rated low: the median standardized AGREE II score was low, 36% (IQR 28-42), and so were the overall-assessments. The aspects of the guidelines that were rated best were the \"clarity of presentation\" and the \"scope and purpose\" (median ≥ 59%); however, the other four domains received very low scores (15-33%). Overall, the guideline quality did not improve over time. The guidelines that were developed by medical societies scored significantly worse than those developed by governmental, or unofficial working groups (12-43% per domain). In focus group discussions, inadequate methodology, a lack of implementation systems in place, a lack of awareness about editorial independence, and broader expertise/perspectives in working groups were identified as factors behind the low scores. The factors identified as affecting the quality of the national guidelines may help stakeholders who are developing interventions and education programs aimed at improving guideline quality worldwide.

Nonalcoholic fatty liver disease (NAFLD) is a term describing excessive accumulation of fat in hepatocytes, and is associated with metabolic syndrome and insulin resistance. NAFLD prevalence is on increase and goes in parallel with the increasing prevalence of metabolic syndrome and its components. That is why Croatian guidelines have been developed, which cover the screening protocol for patients with NAFLD risk factors, and the recommended diagnostic work-up and treatment of NAFLD patients. NAFLD screening should be done in patients with type 2 diabetes mellitus, or persons with two or more risk factors as part of metabolic screening, and is carried out by noninvasive laboratory and imaging methods used to detect fibrosis. Patient work-up should exclude the existence of other causes of liver injury and determine the stage of fibrosis as the most important factor in disease prognosis. Patients with initial stages of fibrosis continue to be monitored at the primary healthcare level with the management of metabolic risk factors, dietary measures, and increased physical activity. Patients with advanced fibrosis should be referred to a gastroenterologist/hepatologist for further treatment, monitoring, and detection and management of complications.

BACKGROUND: Helicobacter pylori (H pylori) eradication is becoming increasingly difficult. The aim of our study was to determine the knowledge of current guidelines and attitude in the diagnosis and treatment of H pylori infection in primary care physicians (PCPs) and medical students in Croatia.
METHODS: A study was conducted among PCPs and medical students to evaluate adherence to Maastricht V consensus guidelines. Questionnaire was distributed by e-mail to 2338 PCPs offices in Croatia and to the medical students from the University of Split School of Medicine. Responses were collected electronically from June 22 to August 22, 2020.
RESULTS: Two hundred forty-nine PCPs and 169 medical students were included in the study. Bismuth or non-bismuth-based quadruple therapy as first-line treatment for H pylori was the choice of 4.8% of PCPs and 13% of students, while 66.3% PCPs and 79.9% students would choose clarithromycin-based triple therapy. Bismuth-based quadruple therapy was the most preferred second line of treatment for 45.4% of PCPs and 34.9% of students. Only 2.8% PCPs and 7.1% of students would correctly recommend first and second line of treatment for H. pylori infection. A larger proportion of students than PCPs would prefer C13-urea breath test (50.3% vs 6.4%). Only 59.0% PCPs would treat for H pylori in all patients including the asymptomatic ones. Students more frequently recognized the link between H pylori and gastric cancer compared with PCPs (92.9% vs 73.5%).
CONCLUSIONS: Primary care physicians and medical students\' knowledge of H pylori guidelines are insufficient in Croatia and ask for additional training.

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Macrophage activation syndrome (MAS) is a potentially fatal complication of systemic juvenile idiopathic arthritis (sJIA), caused by exaggerated but ineffective immune response. The aim of the study was to compare the capacity of the HLH-2004 guidelines with the capacity of the MAS guidelines from 2005, and with the new set of classification criteria from 2016 in diagnosing MAS complicating sJIA. The study included 35 children aged 1-18 diagnosed with sJIA according to ILAR criteria and treated at the Department of Pediatrics, Division of Immunology and Rheu-matology, Zagreb University Hospital Centre, in the period from 2009 to 2015. Out of 35 patients diagnosed with sJIA, there were 12 girls and 23 boys, with the mean age at disease onset (±SD) 5.51±3.65 years. Eight patients had flare of disease. With the guidelines from 2005, MAS was diag-nosed in six (17.1%) patients with sJIA. With the new set of classification criteria from 2016, MAS was diagnosed in four (11.4%) patients with sJIA. MAS was not diagnosed with the HLH-2004 guidelines. In our study, four out of six patients had MAS at the onset of sJIA, and in the rest two it occurred during relapse. Two patients with MAS developed full-blown clinical picture while another four had incomplete clinical features with minor laboratory alteration. Due to the use of different di-agnostic guidelines, we found difference in the prevalence of MAS. It was slightly higher in comparison to available studies, while other researched features, such as clinical characteristics, were similar.

Health practice guidelines (HPGs) are important tools for the translation of evidence into practice. Reporting Items for Practice Guidelines in HealThcare (RIGHT) checklist provides guidance on reporting health practice guidelines (HPGs). We assessed the reporting completeness and quality of a set of national (Croatian) and relevant transnational (European) HPGs.
The national sample included all HPGs published in the official journal of the Croatian Medical Association in 2014-2016. We searched PubMed to identify relevant European guidelines (n = 24). Two independent reviewers assessed the adherence with the items on the RIGHT checklist. Kappa score was used to measure the level of agreement. Frequentist and Bayes statistics Bayes factor (BF10) was used to evaluate the differences between the national and transnational HPGs.
Overall, Croatian and European HPGs adhered to less than 50% of RIGHT checklist items. Croatian HPGs reported a median of 14.0 (95% CI 13.0-15.0) RIGHT reporting items, and European counterparts reported a median of 16.0 (95% CI 14.0-17.2) out of the total of 35 checklist items (Mann Whitney U test, P = 0.048; BF10 = 1.543). European HPGs were better than Croatian HPGs in reporting stakeholder involvement and values and preferences (BF10 = 80.63), as well as describing the implications of costs and resources (BF10 = 55.15). Croatian HPGs better reported HPGs specified aims (BF10 = 16.90), primary intended users (BF10 = 8.70), and sources of funding (BF10 = 122.90). Most insufficiently reported items for both HPG sets were defining the guideline questions and clear outcomes, quality assurance, management of funding and conflicts of interest, and guideline limitations.
Important methodological details are missing from most published HPGs at national and transnational levels. To ensure better quality and adequate use of HPGs, reporting guidelines should be endorsed and used by developers and users alike.

Recent developments in the diagnosis and treatment of chronic lymphocytic leukemia (B-CLL) have led to change of approach in clinical practice. New treatments have been approved based on the results of randomized multicenter trials for first line and for salvage therapy, and the results of numerous ongoing clinical trials are permanently providing new answers and further refining of therapeutic strategies. This is paralleled by substantial increase in understanding the disease genetics due to major advances in the next generation sequencing (NGS) technology. We define current position of the Croatian Cooperative Group for Hematologic Disease on diagnosis and treatment of CLL in the transition from chemo-immunotherapy paradigm into a new one that is based on new diagnostic stratification and unprecedented therapeutic results of B-cell receptor inhibitors (BRI) and Bcl-2 antagonists. This is a rapidly evolving field as a great number of ongoing clinical trials con-stantly accumulate and provide new knowledge. We believe that novel therapy research including genomic diagnosis is likely to offer new options that will eventually lead to time limited therapies without chemotherapy and more effective clinical care for B-CLL based on individualized precision medicine.

Treatment of oncological patients must be based upon multidisciplinary approach, and takes place in specialized oncological centers. By the end of a specific oncological treatment further follow-up is being managed mostly by the oncologists, but the role of the general practitioners becomes more important every day and therefore should be precisely defined. Nowadays, most of the existing follow-up guidelines are not being based on prospective studies, yet on the expert’s opinion of a precise oncological center or specialists. The aim of the Croatian Society of Medical Oncology (CSMO) with these recommendations is to standardize and rationalize the diagnostic procedures’ algorithm in follow–up of oncological patients after primary treatment, in patients with melanoma, sarcomas, central nerve system tumors and lung cancer.