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1.
Front Med (Lausanne) ; 9: 967887, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36314033

RESUMEN

Introduction: A substantial proportion of individuals with low cardiovascular risk receive inappropriate statin prescription for primary prevention of cardiovascular disease (CVD) instead of the evidence-based recommendations to promote healthy lifestyle behaviors. This study reports on the structured process performed to design targeted de-implementation strategies to reduce inappropriate prescription of statins and to increase healthy lifestyle promotion in low cardiovascular risk patients in Primary Care (PC). Methods: A formative study was conducted based on the Theoretical Domains Framework and the Behavior Change Wheel (BCW). It comprised semi-structured interviews with PC professionals to define the problem in behavioral terms; focus groups with Family Physicians and patients to identify the determinants (barriers and facilitators) of inappropriate statin prescription and of healthy lifestyle promotion practice; mapping of behavioral change interventions operationalized as de-implementation strategies for addressing identified determinants; and consensus techniques for prioritization of strategies based on perceived effectiveness, feasibility and acceptability. Results: Identified key determinants of statin prescription and healthy lifestyle promotion were: the lack of time and clinical inertia, external resources, patients' preferences and characteristics, limitation of available clinical tools and guidelines, social pressures, fears about negative consequences of not treating, and lack of skills and training of professionals. Fourteen potential de-implementation strategies were mapped to the identified determinants and the following were prioritized: 1) non-reflective decision assistance strategies based on reminders and decision support tools for helping clinical decision-making; 2) decision information strategies based on the principles of knowledge dissemination (e.g., corporative diffusion of evidence-based Clinical Practice Guidelines and Pathways for CVD primary prevention); 3) reflective decision-making restructuring strategies (i.e., audit and feedback provided along with intention formation interventions). Conclusions: This study supports the usefulness of the BCW to guide the design and development of de-implementation strategies targeting the determinants of clinicians' decision-making processes to favor the abandonment of low-value practices and the uptake of those recommended for CVD primary prevention in low-risk patients. Further research to evaluate the feasibility and effectiveness of selected strategies is warranted. Clinical trial registration: Sanchez A. De-implementation of Low-value Pharmacological Prescriptions (De-imFAR). ClinicalTrials.gov, Identifier: NCT04022850. Registered July 17, 2019. In: ClinicalTrials.gov. Bethesda (MD): U.S. National Library of Medicine (NLM). Available from: https://www.clinicaltrials.gov/ct2/show/NCT04022850.

2.
JPEN J Parenter Enteral Nutr ; 43(2): 298-304, 2019 02.
Artículo en Inglés | MEDLINE | ID: mdl-29992576

RESUMEN

BACKGROUND: Y-site administration of total parenteral nutrition (TPN) and drugs is frequently required in the intensive care setting. Amiodarone is commonly administered by continuous intravenous infusion and subject to be co-administered via a Y-site with TPN. The aim of this study is to determine the physicochemical stability of amiodarone Y-site administered with TPN. METHODS: Two standard TPN and 2 amiodarone solutions were designed. The 2 TPN differed in the lipid source (Lipofundin MCT/LCT® 20% or SMOFlipid® 20%). The 2 amiodarone solutions were prepared at different concentrations (900 mg and 1200 mg in 250 mL of dextrose 5% in water). Each TPN and amiodarone solutions ran at a rate that simulated a 24-hour Y-site infusion to obtain different admixture samples. Each sample was then visually examined and further tested to determine the mean lipid droplet size distribution by dynamic light scattering and amiodarone concentrations by HPLC. RESULTS: No alterations were detected by visual inspection. Average droplet size remained below 500 nm (252.5 ± 5.9 nm for Lipofundin MCT/LCT® TPN and 327.7 ± 14.4 nm for SMOFlipid® TPN). For the samples obtained after running 900 mg and 1200 mg amiodarone solutions with TPN, the concentrations observed at 24 hours were 0.4491 ± 0.0111 mg/mL and 0.5773 ± 0.0214 mg/mL, respectively. These results represent approximately 100% of the zero-time concentrations and are within ±15% of the predicted values. No degradation products were observed in the chromatograms. CONCLUSION: Amiodarone is physicochemically compatible with standard TPN via a Y-site administration at the tested amiodarone concentrations.


Asunto(s)
Amiodarona/química , Antiarrítmicos/química , Fenómenos Químicos , Nutrición Parenteral Total , Interacciones Alimento-Droga/fisiología
3.
Med Clin (Barc) ; 148(2): 69-70, 2017 Jan 20.
Artículo en Inglés, Español | MEDLINE | ID: mdl-27914674

RESUMEN

INTRODUCTION AND OBJECTIVE: Itraconazole is an antifungal imidazole used for the treatment of aspergillosis. Evidence supporting the association between itraconazole and the onset of congestive heart failure (CHF) is limited and is based on cases reported after drug market release. CASE REPORT: We report the case of a 76-year-old man with hypertension and COPD GOLD D who experienced heart failure after receiving a new line of treatment with itraconazole. The patient's symptoms resolved completely after the drug's withdrawal and initiation of treatment with diuretic therapy. Using validated algorithms, we concluded that there was a probable association between itraconazole and the onset of CHF. CONCLUSIONS: The association between the administration of itraconazole and the onset of CHF is difficult to prove. Further observational studies are needed to assess this association. However, based on the available evidence, we should consider this possible adverse effect and even contraindicate this treatment in patients with a structural heart disease.


Asunto(s)
Antifúngicos/efectos adversos , Insuficiencia Cardíaca/inducido químicamente , Itraconazol/efectos adversos , Anciano , Insuficiencia Cardíaca/diagnóstico , Humanos , Masculino
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