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1.
Global vascular guidelines on the management of chronic limb-threatening ischemia.
Conte, MS, Bradbury, AW, Kolh, P, White, JV, Dick, F, Fitridge, R, Mills, JL, Ricco, JB, Suresh, KR, Murad, MH, et al
Journal of vascular surgery. 2019;(6S):3S-125S.e40
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Abstract
Chronic limb-threatening ischemia (CLTI) is associated with mortality, amputation, and impaired quality of life. These Global Vascular Guidelines (GVG) are focused on definition, evaluation, and management of CLTI with the goals of improving evidence-based care and highlighting critical research needs. The term CLTI is preferred over critical limb ischemia, as the latter implies threshold values of impaired perfusion rather than a continuum. CLTI is a clinical syndrome defined by the presence of peripheral artery disease (PAD) in combination with rest pain, gangrene, or a lower limb ulceration >2 weeks duration. Venous, traumatic, embolic, and nonatherosclerotic etiologies are excluded. All patients with suspected CLTI should be referred urgently to a vascular specialist. Accurately staging the severity of limb threat is fundamental, and the Society for Vascular Surgery Threatened Limb Classification system, based on grading of Wounds, Ischemia, and foot Infection (WIfI) is endorsed. Objective hemodynamic testing, including toe pressures as the preferred measure, is required to assess CLTI. Evidence-based revascularization (EBR) hinges on three independent axes: Patient risk, Limb severity, and ANatomic complexity (PLAN). Average-risk and high-risk patients are defined by estimated procedural and 2-year all-cause mortality. The GVG proposes a new Global Anatomic Staging System (GLASS), which involves defining a preferred target artery path (TAP) and then estimating limb-based patency (LBP), resulting in three stages of complexity for intervention. The optimal revascularization strategy is also influenced by the availability of autogenous vein for open bypass surgery. Recommendations for EBR are based on best available data, pending level 1 evidence from ongoing trials. Vein bypass may be preferred for average-risk patients with advanced limb threat and high complexity disease, while those with less complex anatomy, intermediate severity limb threat, or high patient risk may be favored for endovascular intervention. All patients with CLTI should be afforded best medical therapy including the use of antithrombotic, lipid-lowering, antihypertensive, and glycemic control agents, as well as counseling on smoking cessation, diet, exercise, and preventive foot care. Following EBR, long-term limb surveillance is advised. The effectiveness of nonrevascularization therapies (eg, spinal stimulation, pneumatic compression, prostanoids, and hyperbaric oxygen) has not been established. Regenerative medicine approaches (eg, cell, gene therapies) for CLTI should be restricted to rigorously conducted randomizsed clinical trials. The GVG promotes standardization of study designs and end points for clinical trials in CLTI. The importance of multidisciplinary teams and centers of excellence for amputation prevention is stressed as a key health system initiative.
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2018 Guidelines for the management of dyslipidemia.
Rhee, EJ, Kim, HC, Kim, JH, Lee, EY, Kim, BJ, Kim, EM, Song, Y, Lim, JH, Kim, HJ, Choi, S, et al
The Korean journal of internal medicine. 2019;(4):723-771
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2018 AHA/ACC/AACVPR/AAPA/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Blood Cholesterol: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines.
Grundy, SM, Stone, NJ, Bailey, AL, Beam, C, Birtcher, KK, Blumenthal, RS, Braun, LT, de Ferranti, S, Faiella-Tommasino, J, Forman, DE, et al
Circulation. 2019;(25):e1046-e1081
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Concordant Evidence-Based Interventions in Cardiac and Pulmonary Rehabilitation Guidelines.
Smith, SMS, Chaudhary, K, Blackstock, F
Journal of cardiopulmonary rehabilitation and prevention. 2019;(1):9-18
Abstract
Chronic conditions such as chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD) contribute to a significant burden to patients and many experience a reduction in physical functioning, psychological health, and quality of life. The sentinel symptom for COPD and CVD is breathlessness. Rehabilitation programs have been proven to reduce disease symptoms and increase levels of physical and psychological wellness. Pulmonary and cardiac rehabilitation programs have been recommended in international and national guidelines for managing COPD and CVD. Given that these programs seek to reduce breathlessness and improve the physical and psychological functioning of people with COPD and CVD, this review examines the concordant evidence-based interventions in rehabilitation guidelines. The findings of this review indicate that there was concordance in the program design, location of programs, types of health professionals involved in program delivery, assessments of patient at commencement and completion of program, and the delivery of educational topics with minor deviations that were related to disease-specific topics. Apart from disease-specific recommendations, the main divergence from rehabilitation guidelines was found to be dietary screening, inspiratory muscle training, and psychological assessments in evidence-based recommendations for cardiac and pulmonary programs.
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Incremental cost-effectiveness of evidence-based non-surgical weight loss strategies.
Finkelstein, EA, Verghese, NR
Clinical obesity. 2019;(2):e12294
Abstract
Recent medical advancements have led to new modes of treatment for non-surgical weight loss, including several new medications. Our aim was to conduct an incremental cost-effectiveness analysis for all commercially available, evidence-based non-surgical weight loss interventions for people with excess weight. We identified interventions through a systematic review of randomized controlled trials that reported weight loss 12 months from baseline. We then meta-analysed the results, sourced costs and performed an incremental cost-effectiveness analysis from the payer perspective. Cost-effectiveness was presented in terms of cost per kilogram lost and quality-adjusted life years (QALY) gained. We further performed sensitivity analyses on costs and duration of benefits, and a probabilistic sensitivity analysis. Ten interventions were identified for inclusion: six pharmaceutical products (Alli, Xenical, Qsymia, Contrave, Belviq and Saxenda), two lifestyle modification programmes (Weight Watchers Meetings and Online), one food replacement and lifestyle programme (Jenny Craig) and one intragastric balloon system (Orbera). At an incremental cost-effectiveness ratio of $30 071 per additional QALY gained, only Weight Watchers Meetings was cost-effective. Sensitivity analyses revealed that for the medications to become incrementally cost-effective, costs would have to decrease by as much as 91%. Results are highly dependent on duration that benefits are maintained. Despite several newly available interventions, Weight Watchers Meetings is currently the only evidence-based, commercially available, cost-effective option for non-surgical weight loss. Other interventions, specifically medications, are more effective but priced too high to be cost-effective.
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Cohort Profile: Design and methods of the PREDIMED-Plus randomized trial.
Martínez-González, MA, Buil-Cosiales, P, Corella, D, Bulló, M, Fitó, M, Vioque, J, Romaguera, D, Martínez, JA, Wärnberg, J, López-Miranda, J, et al
International journal of epidemiology. 2019;(2):387-388o
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Perspectives on surgical randomized controlled trials.
Bell, S, Venchiarutti, R, Warrier, S, Stevenson, A, Solomon, M
ANZ journal of surgery. 2019;(9):998-999
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Sunscreen photoprotection and vitamin D status.
Passeron, T, Bouillon, R, Callender, V, Cestari, T, Diepgen, TL, Green, AC, van der Pols, JC, Bernard, BA, Ly, F, Bernerd, F, et al
The British journal of dermatology. 2019;(5):916-931
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Abstract
BACKGROUND Global concern about vitamin D deficiency has fuelled debates on photoprotection and the importance of solar exposure to meet vitamin D requirements. OBJECTIVES To review the published evidence to reach a consensus on the influence of photoprotection by sunscreens on vitamin D status, considering other relevant factors. METHODS An international panel of 13 experts in endocrinology, dermatology, photobiology, epidemiology and biological anthropology reviewed the literature prior to a 1-day meeting in June 2017, during which the evidence was discussed. Methods of assessment and determining factors of vitamin D status, and public health perspectives were examined and consequences of sun exposure and the effects of photoprotection were assessed. RESULTS A serum level of ≥ 50 nmol L-1 25(OH)D is a target for all individuals. Broad-spectrum sunscreens that prevent erythema are unlikely to compromise vitamin D status in healthy populations. Vitamin D screening should be restricted to those at risk of hypovitaminosis, such as patients with photosensitivity disorders, who require rigorous photoprotection. Screening and supplementation are advised for this group. CONCLUSIONS Sunscreen use for daily and recreational photoprotection does not compromise vitamin D synthesis, even when applied under optimal conditions. What's already known about this topic? Knowledge of the relationship between solar exposure behaviour, sunscreen use and vitamin D is important for public health but there is confusion about optimal vitamin D status and the safest way to achieve this. Practical recommendations on the potential impact of daily and/or recreational sunscreens on vitamin D status are lacking for healthy people. What does this study add? Judicious use of daily broad-spectrum sunscreens with high ultraviolet (UV) A protection will not compromise vitamin D status in healthy people. However, photoprotection strategies for patients with photosensitivity disorders that include high sun-protection factor sunscreens with high UVA protection, along with protective clothing and shade-seeking behaviour are likely to compromise vitamin D status. Screening for vitamin D status and supplementation are recommended in patients with photosensitivity disorders.
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Opportunities for improving use of evidence-based therapy in patients with type 2 diabetes and cardiovascular disease.
Gao, Y, Peterson, E, Pagidipati, N
Clinical cardiology. 2019;(11):1063-1070
Abstract
Evidence-based therapy that target hyperlipidemia, hypertension, smoking cessation, and weight loss have demonstrated significant benefits in reducing cardiovascular risks and related events. Although the benefit of intensively lowering blood glucose is unclear, newer antidiabetic drugs (glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter-2 inhibitors) have shown cardiovascular benefits in addition to their antihyperglycemic effect. Yet, studies suggest that recent use of evidence-based therapy and management of cardiovascular risk among individuals with type 2 diabetes (T2D) and cardiovascular disease (CVD) remains largely suboptimal. The following narrative review first identifies barriers to translating research evidence to clinical practice at the levels of provider, health system, patient, and cost. Then it synthesizes previous implementation strategies that addressed multifaceted barriers and attempted to improve care for patients with T2D and CVD. In conclusion, team-based care coordination, reminding systems in combination to pharmacist consultation and patient education, provider education compatible with clinical workflow, and coupled incentives between providers and patients appeared to be effective in reducing cardiovascular risks for patients with T2D and CVD, though the scalability and long-term clinical effect of these strategies as well as the possibility of interventions involving payers and health systems remain uncertain.
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2018 AHA/ACC/AACVPR/AAPA/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Blood Cholesterol: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines.
Grundy, SM, Stone, NJ, Bailey, AL, Beam, C, Birtcher, KK, Blumenthal, RS, Braun, LT, de Ferranti, S, Faiella-Tommasino, J, Forman, DE, et al
Circulation. 2019;(25):e1082-e1143
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Abstract
Since 1980, the American College of Cardiology (ACC) and American Heart Association (AHA) have translated scientific evidence into clinical practice guidelines with recommendations to improve cardiovascular health. These guidelines, which are based on systematic methods to evaluate and classify evidence, provide a foundation for the delivery of quality cardiovascular care. The ACC and AHA sponsor the development and publication of clinical practice guidelines without commercial support, and members volunteer their time to the writing and review efforts. Clinical practice guidelines provide recommendations applicable to patients with or at risk of developing cardiovascular disease (CVD). The focus is on medical practice in the United States, but these guidelines are relevant to patients throughout the world. Although guidelines may be used to inform regulatory or payer decisions, the intent is to improve quality of care and align with patients’ interests. Guidelines are intended to define practices meeting the needs of patients in most, but not all, circumstances, and should not replace clinical judgment. Recommendations for guideline-directed management and therapy, which encompasses clinical evaluation, diagnostic testing, and both pharmacological and procedural treatments, are effective only when followed by both practitioners and patients. Adherence to recommendations can be enhanced by shared decision-making between clinicians and patients, with patient engagement in selecting interventions on the basis of individual values, preferences, and associated conditions and comorbidities. The ACC/AHA Task Force on Clinical Practice Guidelines strives to ensure that the guideline writing committee both contains requisite expertise and is representative of the broader medical community by selecting experts from a broad array of backgrounds, representing different geographic regions, sexes, races, ethnicities, intellectual perspectives/biases, and scopes of clinical practice, and by inviting organizations and professional societies with related interests and expertise to participate as partners or collaborators. The ACC and AHA have rigorous policies and methods to ensure that documents are developed without bias or improper influence. The complete policy on relationships with industry and other entities (RWI) can be found online. Beginning in 2017, numerous modifications to the guidelines have been and continue to be implemented to make guidelines shorter and enhance “user friendliness.” Guidelines are written and presented in a modular knowledge chunk format, in which each chunk includes a table of recommendations, a brief synopsis, recommendation-specific supportive text and, when appropriate, flow diagrams or additional tables. Hyperlinked references are provided for each modular knowledge chunk to facilitate quick access and review. More structured guidelines–including word limits (“targets”) and a web guideline supplement for useful but noncritical tables and figures–are 2 such changes. This Preamble is an abbreviated version, with the detailed version available online. The reader is encouraged to consult the full-text guideline for additional guidance and details, since the executive summary contains mainly the recommendations.