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The European Society of Cardiology (ESC) has updated its guidelines on cardiac pacing and cardiac resynchronisation. As the majority are class II recommendations (61%) and based on expert opinion (59%), a critical appraisal for the Dutch situation was warranted. A working group has been established, consisting of specialists in cardiology, cardiothoracic surgery, geriatrics, allied professionals in cardiac pacing, and patient organisations with support from the Knowledge Institute of the Dutch Association of Medical Specialists. They assessed the evidence leading to the recommendations and the suitability for daily Dutch practice. Several recommendations have been amended or omitted altogether if a conflicting Dutch guideline has recently been published, such as a guideline on performing magnetic resonance imaging in patients with cardiac implantable electronic devices. The recent Dutch guideline on implantable cardioverter defibrillator implantation in patients with non-ischaemic cardiomyopathy has recommended implanting cardiac resynchronisation therapy devices without a defibrillator function. Shared decision making has received a more prominent role in the ESC guidelines and is discussed in more detail in this document. The recommendations given in this document are intended for health care professionals involved in the care of patients with an indication for cardiac pacing and are approved by the participating professional societies and the patient organisation Harteraad., Competing Interests: Conflict of interest: J.G.L.M. Luermans reported providing education on conduction system pacing, sponsored by Medtronic. An independent committee of the Knowledge Institute deemed this not to be a conflict of interest as the education provided has accreditation in the Netherlands. A.H. Maass, A. Tuinenburg, G. Mairuhu, M.C. Faes, T.J. Klinkenberg, S. Ruigrok, M. Koster and B.H. Stegeman declare that they have no competing interests., (© 2025. The Author(s).)

Background: Extensive evidence is available on hormonal contraceptive (HC) use and the risk of a first venous thromboembolism (VTE) event. Despite recommendations to discontinue combined HC (CHC) use, some women continue or start its use after a first VTE., Objectives: We aimed to evaluate the VTE recurrence risk associated with HC use in premenopausal women., Methods: Premenopausal women with a first VTE included in the Multiple Environmental and Genetic Assessment of Venous Thrombosis study between 1999 and 2004 were followed for a recurrence until 2010. Data on HC use were available through linkage to the Dutch Foundation for Pharmaceutical Statistics. The risk of recurrence was assessed 1) during anticoagulant therapy and 2) after cessation of anticoagulant therapy. Time-dependent Cox proportional hazards models were used to estimate hazard ratios (HRs) with 95% CIs adjusted for age and body mass index at baseline and thromboprophylaxis use during follow-up., Results: Six hundred fifty women were uniquely linked and followed for a total of 3538 person-years (median, 6.1 years), during which 57 VTE recurrences occurred. Five occurred (8.8%) during anticoagulation treatment, with no clear risk difference for CHC use vs nonuse (HR, 0.8; 95% CI, 0.1-8.2). After anticoagulation cessation, CHC use was associated with a 2.4-fold higher risk of recurrence (HR, 2.4; 95% CI, 1.2-5.0) compared with nonuse. Recurrence risk for levonorgestrel-releasing intrauterine device use was similar to that for nonuse (HR, 0.9; 95% CI, 0.3-3.1)., Conclusion: CHC use after a first VTE is safe during anticoagulant use but substantially increases the risk of a recurrent VTE event in absence of anticoagulant use. This study adds to the evidence regarding the use of a levonorgestrel-releasing intrauterine device as a safe alternative., Competing Interests: Declaration of competing interests The authors declare no competing interests. B.H.S. is currently employed at the Knowledge Institute of the Dutch Association of Medical Specialists, Utrecht, The Netherlands. J.F.T. is currently employed at ZonMw, The Hague, The Netherlands. L.E.F. is currently employed at Nivel, Utrecht, The Netherlands., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)

Background and purpose - A guideline committee of medical specialists and a physiotherapist was formed on the initiative of the Dutch Orthopedic Association (NOV) to update the guideline Arthroscopy of the Knee: Indications and Treatment 2010. This next guideline was developed between June 2017 and December 2019. In this Part 1 we focus on the meniscus, in Part 2 on all other aspects of knee arthroscopy.Methods - The guideline was developed in accordance with the criteria of the AGREE instrument (AGREE II: Appraisal of Guidelines for Research and Evaluation II) with support of a professional methodologist from the Dutch Knowledge Institute of Medical Specialists. The scientific literature was searched and systematically analyzed. Conclusions and recommendations were formulated according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) method. Recommendations were developed considering the balance of benefits and harms, the type and quality of evidence, the values and preferences of the people involved, and the costs.

Background and purpose - A guideline committee of medical specialists and a physiotherapist was formed on the initiative of the Dutch Orthopedic Association (NOV) to update the Guideline Arthroscopy of the Knee: Indications and Treatment 2010. This next Guideline was developed between June 2017 and December 2019. In part 1 we focused on the meniscus; this part 2 addresses all other aspects of knee arthroscopy.Methods - The guideline was developed in accordance with the criteria of the AGREE instrument (AGREE II: Appraisal of Guidelines for Research and Evaluation II) with support of a professional methodologist from the Dutch Knowledge Institute of Medical Specialists. The scientific literature was searched and systematically analyzed. Conclusions and recommendations were formulated according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) method. Recommendations were developed considering the balance of benefits and harms, the type and quality of evidence, the values and preferences of the people involved, and the costs.

Because the occurrence of infective endocarditis (IE) continues to be associated with high mortality, a working group was created by the Dutch Society of Cardiology to examine how the most recent European Society of Cardiology (ESC) guidelines for IE management could be implemented most effectively in the Netherlands. In order to investigate current Dutch IE practices, the working group conducted a country-wide survey. Based on the results obtained, it was concluded that most ESC recommendations could be endorsed, albeit with some adjustments. For instance, the suggested pre-operative screening and treatment of nasal carriers of Staphylococcus aureus as formulated in the ESC guideline was found to be dissimilar to current Dutch practice, and was therefore made less restrictive. The recently adapted ESC diagnostic criteria for IE were endorsed, while the practical employment of the relevant diagnostic techniques was simplified in an adapted flowchart. In addition, the presence of a multidisciplinary, so-called 'endocarditis team' in tertiary centres was proposed as a quality indicator. An adapted flowchart specifically tailored to Dutch practice for microbiological diagnostic purposes was constructed. Lastly, the working group recommended the Stichting Werkgroep Antibioticabeleid (SWAB; Dutch Working Party on Antibiotic Policy) guidelines for IE treatment instead of the antibiotic regimens proposed by the ESC.

Background: Use of ethinylestradiol, one of the active ingredients in combined oral contraceptives, affects the incidence of venous thrombosis. To explain why some women develop thrombosis when using oral contraceptives and others do not, we hypothesized a role for the first-pass metabolism of ethinylestradiol in the liver. We set out to determine the association between genetic variation in the first-pass metabolism of ethinylestradiol, venous thrombosis risk and the effect on Sex-hormone-binding-globulin (SHBG) levels., Methods: Premenopausal women were included from two case-control studies: LETS (103 cases; 159 controls) and MEGA (397 cases; 796 controls). Haplotype-tagging SNPs were selected in 11 candidate genes; COMT, CYP1A2, CYP2C9, CYP3A4, CYP3A5, SULT1A1, SULT1E1, UGT1A1, UGT1A3, UGT1A9, UGT2B7. Venous thrombosis risk was expressed as odds ratios (OR) with 95% confidence intervals (CI). For SHBG levels, mean differences with 95%CI were estimated in combined oral contraceptive-using control subjects from the MEGA study., Results: Two copies of haplotype D in the UGT2B7 gene increased venous thrombosis risk (OR LETS : 3.78; OR MEGA : 2.61) as well as SHBG levels (mean difference 27.6nmol/L, 95%CI: -61.7 to 116.9 compared with no copies) in oral contraceptive users and not in non-users. In oral contraceptive users, haplotype A and B in the CYP3A4 gene were associated with venous thrombosis risk, but not in non-users; however, the effect on SHBG levels was not directional with the risk. None of the other haplotypes were associated with venous thrombosis., Conclusion: Genetic variation in the UGT2B7 gene may, in part, explain venous thrombosis risk in combined oral contraceptive users., (Copyright © 2017 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.)