Shared decision-making for supporting women's decisions about breast cancer screening.

BACKGROUND: In breast cancer screening programmes, women may have discussions with a healthcare provider to help them decide whether or not they wish to join the breast cancer screening programme. This process is called shared decision-making (SDM) and involves discussions and decisions based on the evidence and the person's values and preferences. SDM is becoming a recommended approach in clinical guidelines, extending beyond decision aids. However, the overall effect of SDM in women deciding to participate in breast cancer screening remains uncertain. OBJECTIVES: To assess the effect of SDM on women's satisfaction, confidence, and knowledge when deciding whether to participate in breast cancer screening. SEARCH METHODS: We searched the Cochrane Breast Cancer Group's Specialised Register, CENTRAL, MEDLINE, Embase, CINAHL, PsycINFO, ClinicalTrials.gov, and the World Health Organization International Clinical Trials Registry Platform on 8 August 2023. We also screened abstracts from two relevant conferences from 2020 to 2023. SELECTION CRITERIA: We included parallel randomised controlled trials (RCTs) and cluster-RCTs assessing interventions targeting various components of SDM. The focus was on supporting women aged 40 to 75 at average or above-average risk of breast cancer in their decision to participate in breast cancer screening. DATA COLLECTION AND ANALYSIS: Two review authors independently assessed studies for inclusion and conducted data extraction, risk of bias assessment, and GRADE assessment of the certainty of the evidence. Review outcomes included satisfaction with the decision-making process, confidence in the decision made, knowledge of all options, adherence to the chosen option, women's involvement in SDM, woman-clinician communication, and mental health. MAIN RESULTS: We identified 19 studies with 64,215 randomised women, mostly with an average to moderate risk of breast cancer. Two studies covered all aspects of SDM; six examined shortened forms of SDM involving communication on risks and personal values; and 11 focused on enhanced communication of risk without other SDM aspects. SDM involving all components compared to control The two eligible studies did not assess satisfaction with the SDM process or confidence in the decision. Based on a single study, SDM showed uncertain effects on participant knowledge regarding the age to start screening (risk ratio (RR) 1.18, 95% confidence interval (CI) 0.61 to 2.28; 133 women; very low certainty evidence) and frequency of testing (RR 0.84, 95% CI 0.68 to 1.04; 133 women; very low certainty evidence). Other review outcomes were not measured. Abbreviated forms of SDM with clarification of values and preferences compared to control Of the six included studies, none evaluated satisfaction with the SDM process. These interventions may reduce conflict in the decision made, based on two measures, Decisional Conflict Scale scores (mean difference (MD) -1.60, 95% CI -4.21 to 0.87; conflict scale from 0 to 100; 4 studies; 1714 women; very low certainty evidence) and the proportion of women with residual conflict compared to control at one to three months' follow-up (rate of women with a conflicted decision, RR 0.75, 95% CI 0.56 to 0.99; 1 study; 1001 women, very low certainty evidence). Knowledge of all options was assessed through knowledge scores and informed choice. The effect of SDM may enhance knowledge (MDs ranged from 0.47 to 1.44 higher scores on a scale from 0 to 10; 5 studies; 2114 women; low certainty evidence) and may lead to higher rates of informed choice (RR 1.24, 95% CI 0.95 to 1.63; 4 studies; 2449 women; low certainty evidence) compared to control at one to three months' follow-up. These interventions may result in little to no difference in anxiety (MD 0.54, 95% -0.96 to 2.14; scale from 20 to 80; 2 studies; 749 women; low certainty evidence) and the number of women with worries about cancer compared to control at four to six weeks' follow-up (RR 0.88, 95% CI 0.73 to 1.06; 1 study, 639 women; low certainty evidence). Other review outcomes were not measured. Enhanced communication about risks without other SDM aspects compared to control Of 11 studies, three did not report relevant outcomes for this review, and none assessed satisfaction with the SDM process. Confidence in the decision made was measured by decisional conflict and anticipated regret of participating in screening or not. These interventions, without addressing values and preferences, may result in lower confidence in the decision compared to regular communication strategies at two weeks' follow-up (MD 2.89, 95% CI -2.35 to 8.14; Decisional Conflict Scale from 0 to 100; 2 studies; 1191 women; low certainty evidence). They may result in higher anticipated regret if participating in screening (MD 0.28, 95% CI 0.15 to 0.41) and lower anticipated regret if not participating in screening (MD -0.28, 95% CI -0.42 to -0.14). These interventions increase knowledge (MD 1.14, 95% CI 0.61 to 1.62; scale from 0 to 10; 4 studies; 2510 women; high certainty evidence), while it is unclear if there is a higher rate of informed choice compared to regular communication strategies at two to four weeks' follow-up (RR 1.27, 95% CI 0.83 to 1.92; 2 studies; 1805 women; low certainty evidence). These interventions result in little to no difference in anxiety (MD 0.33, 95% CI -1.55 to 0.99; scale from 20 to 80) and depression (MD 0.02, 95% CI -0.41 to 0.45; scale from 0 to 21; 2 studies; 1193 women; high certainty evidence) and lower cancer worry compared to control (MD -0.17, 95% CI -0.26 to -0.08; scale from 1 to 4; 1 study; 838 women; high certainty evidence). Other review outcomes were not measured. AUTHORS' CONCLUSIONS: Studies using abbreviated forms of SDM and other forms of enhanced communications indicated improvements in knowledge and reduced decisional conflict. However, uncertainty remains about the effect of SDM on supporting women's decisions. Most studies did not evaluate outcomes considered important for this review topic, and those that did measured different concepts. High-quality randomised trials are needed to evaluate SDM in diverse cultural settings with a focus on outcomes such as women's satisfaction with choices aligned to their values.

Translation, transcultural adaptation, and validation of two questionnaires on shared decision making.

OBJECTIVE: To translate, transcultural adapt, and validate the "CollaboRATE" measure and the "Ask 3 Questions" intervention in Argentina, allowing us to quantify the degree of use and implementation of shared decision making (SDM). DESIGN: Cross-sectional study. SETTING AND PARTICIPANTS: Data were collected in an academic hospital in Buenos Aires. Physician-patient pairs were invited to participate following their scheduled outpatient visits. MEASUREMENTS: Two processes were carried out as follows: (a) The translation and transcultural adaptation process, in which translations were produced and then adapted to Spanish. (b) The validation process, in which questionnaires were completed by patient-physician pairs, the results of which were subsequently analysed. Reliability (Cronbach's alpha) and construct validity (principal component analysis) were assessed. RESULTS: The final Spanish versions of "CollaboRATE" and "Ask 3 Questions" were tested in a primary care sample of 56 participants. Both instruments presented adequate reliability and validity. Internal consistency yielded a Cronbach's alpha of 98.3 for the "CollaboRATE" measure and 0.77 and 0.69 for the patients and physicians versions of the "Ask 3 Questions" intervention. Principal components analysis showed eigenvalues of first component >1. DISCUSSION AND CONCLUSIONS: We obtained valid and reliable Spanish versions of the "CollaboRATE" measure and the "Ask 3 Questions" intervention. These versions can be used for the assessment of SDM in clinical visits, and to obtain new information which could help the monitoring of its implementation.

Colonoscopy overuse in colorectal cancer screening and associated factors in Argentina: a retrospective cohort study.

BACKGROUND: In recent years, there has been growing concern about the overuse of colonoscopy (CC). Our objective was to evaluate the incidence rate and cumulative probability of having a potentially inadequate CC (PI-CC, e.g. a CC that was performed earlier that recommended) and the association between the report of a hyperplastic polyp in the baseline CC report and the probability of having a PI-CC. METHODS: A retrospective cohort of adults 50y/o or older with a complete baseline CC between January 1st and December 31st 2005, without reported lesions or with hyperplastic polyps, based on secondary data extracted from the electronic medical record of the Hospital Italiano of Buenos Aires. The outcome consisted of time until a PI-CC, defined as the time measured between basal colonoscopy and a colonoscopy performed earlier than the inter-screening interval recommended by the USPSTF and the USMSTF. RESULTS: 389 patients were included. The cumulative probability of receiving a PI-CC over 10 years was 0.29 (95% CI 0.241, 0.342). The incidence rate resulted in 30.91 PI-CC per 1000 person-years (95% CI 25.14, 38). The crude analysis of the association between the outcome and the presence of hyperplastic polyps in the baseline CC, showed a statistically significant difference between both groups (log rank, p 0.036). The multivariate analysis yielded a hazard ratio of 1.67 (95% CI 1.02-2.73). CONCLUSION: We observed that 3 in every 10 patients treated in our health system received a PI-CC during the first ten consecutive years after a normal complete CC. Furthermore, this could be in part attributed to the presence of a hyperplastic polyp in the baseline CC.

[Medication adherence to secondary prevention for coronary artery disease]. / Adherencia a la prevención secundaria de la enfermedad coronaria.

We compared the use of evidence-based secondary prevention drugs for coronary artery disease at hospital discharge and 3 years of follow-up in a group of patients associated to an integrated network of health services. We conducted a retrospective group study that included 125 patients under 80 years of age who were hospitalized for acute coronary syndrome. McNemar's test was used to compare values at baseline and 3 years. The mean age of of participants was 63.7 years (SD ± 10.08) and 65.6% (95% CI 56.6-73.9) of male sex. The average follow-up time was 2.94 years (SD ± 0.25). The use of secondary prevention drugs for coronary heart disease decreased at 3 years of follow-up: anti-platelet 97.6 to 88.0% (p = 0.012), beta-blockers 94.4 to 84.8% (p = 0.021) and statins 83.7 to 91.2% (p = 0.035). Patients medicated with a combination of anti-platelet, beta blockers and statins showed a decrease from 86.4 to 66.3% (p < 0.0001). It is necessary to study the causes for the decreased adherence to long-term cardio-protective drugs.

Developing a breast cancer screening decision aid in Spanish for average-risk women: a mixed methods study.

Introduction: We aimed to develop a decision aid to support shared-decision making between physicians and women with average breast cancer risk when deciding whether to participate in breast cancer screening. Methods: We included women at average risk of breast cancer and physicians involved in supporting the decision of breast cancer screening from an Academic Hospital in Buenos Aires, Argentina. We followed the International Patient Decision Aid Standards to develop our decision aid. Guided by a steering group and a multidisciplinary consultancy group including a patient advocate, we reviewed the evidence about breast cancer screening and previous decision aids, explored the patients' information needs on this topic from the patients' and physicians' perspective using semi-structured interviews, and we alpha-tested the prototype to determine its usability, comprehensibility and applicability. Results: We developed the first prototype of a web-based decision aid to use during the clinical encounter with women aged 40 to 69 with average breast cancer risk. After a meeting with our consultancy group, we developed a second prototype that underwent alpha-testing. Physicians and patients agreed that the tool was clear, useful and applicable during a clinical encounter. We refined our final prototype according to their feedback. Conclusion: We developed the first decision aid in our region and language on this topic, developed with end-users' input and informed by the best available evidence. We expect this decision aid to help women and physicians make shared decisions during the clinical encounter when talking about breast cancer screening.

Shared decision-making in Argentina in 2022.

Argentina is an upper-middle income country located in South America with an estimated population of 46.2 million inhabitants. There is no unified research agenda or government initiatives encouraging the implementation and research of Shared Decision-Making (SDM). Our working group at the Family and Community Medicine Division of the Hospital Italiano de Buenos Aires is the leading centre for research and implementation of SDM in the country. The implementation strategy is articulated in undergraduate, postgraduate and continuous medical education. However, it is challenged by the professionals' perception that they are already doing it or lack time during consultations. We have advanced research to understand how to adapt tools to measure and implement SDM in our settings. Still, we face additional challenges related to funding, accessing diverse populations beyond the reach of our institution and incorporating patients in the co-production of research. While most of our efforts arise from the voluntary work of our healthcare professionals, we believe this is a strength since SDM research and implementation are then directly linked to patient care.

Quantitative and qualitative analysis of Argentine breast cancer prevention campaigns disseminated by still images on social networks during October 2019. / Análisis cuantitativo y cualitativo de las campañas argentinas de prevención de cáncer de mama difundidas mediante imágenes fijas en redes sociales durante octubre del 2019.

OBJECTIVES: To quantitatively document the degree of compliance of institutional messages broadcast on social networks with the recommendations of the National Cancer Institute (INC) in Argentina during October 2019, in the context of breast cancer prevention campaigns, and to qualitatively analyze the pictorial and textual elements that make up their dissemination pieces. MATERIALS AND METHODS: Quantitative and qualitative analysis of 171 dissemination pieces issued during October 2019 by 54 institutions, based on the evaluation of their compliance with INC recommendations, the description of the main discordant recommendations (quantitative analysis) and the qualitative analysis of 30 pieces. RESULTS: None of the issued messages mentioned potential screening harms. Only the messages of the National Ministry of Health complied completely with the INC recommendations, while the remaining ones recommended mammograms at younger ages or at shorter intervals. Breast self-examination was the most frequent recommendation among those who didn't comply. The images of female bodies linked to common stereotypes of sex and beauty, and paternalistic discourses appealing to fear and guilt were predominant. CONCLUSIONS: The messages broadcasted in the analyzed diffusion pieces did not comply with the INC recommendations, despite the fact that the latter are supported by scientific evidence. On the other hand, the messages reinforce sex and beauty stereotypes, guilt and the medical-hegemonic model.

OBJETIVOS.: Documentar cuantitativamente el grado de concordancia con las recomendaciones del Instituto Nacional del Cáncer (INC) de los mensajes institucionales emitidos en redes sociales de Argentina durante octubre de 2019, en el contexto de las campañas de prevención del cáncer mamario, y analizar cualitativamente los elementos icónicos y textuales que conforman sus piezas de difusión. MATERIALES Y MÉTODOS.: Análisis cuantitativo y cualitativo de 171 piezas de difusión emitidas durante octubre de 2019 por 54 instituciones, a partir de la evaluación de su concordancia con las recomendaciones del INC, la descripción de las principales recomendaciones discordantes (análisis cuantitativo) y el análisis cualitativo de 30 piezas. RESULTADOS.: Ninguno de los mensajes emitidos mencionó potenciales daños del tamizaje. Solamente los del Ministerio de Salud de la Nación fueron totalmente concordantes con las recomendaciones del INC, mientras que los restantes recomendaban realizar mamografías a edades más tempranas o a intervalos más breves. El autoexamen mamario fue la recomendación más frecuente entre las discordantes. Predominaron las imágenes de cuerpos femeninos vinculadas con los estereotipos predominantes de género y belleza, y los discursos paternalistas que apelan al miedo y a la culpa. CONCLUSIONES.: Los mensajes emitidos en las piezas de difusión analizadas no fueron concordantes con las recomendaciones del INC, a pesar de que estas últimas están respaldadas por evidencia científica. Por otro lado, los mensajes refuerzan los estereotipos de género y belleza, la culpa y el modelo médico-hegemónico.

Overdiagnosis and overuse of diagnostic and screening tests in low-income and middle-income countries: a scoping review.

OBJECTIVE: Overdiagnosis and overuse of healthcare services harm individuals, take resources that could be used to address underuse, and threaten the sustainability of health systems. These problems are attracting increasing attention in low-income and middle-income countries (LMICs). Unaware of any review of relevant evidence, we conducted a scoping review of the evidence around overdiagnosis and overuse of diagnostic and screening tests in LMICs. DESIGN: Scoping review. METHODS: We searched PubMed, Embase, PsycINFO, Global Index Medicus for relevant studies published until 24 May 2021, with no restrictions on date or language. We categorised included studies by major focus (overdiagnosis, overuse of tests, or both) and main themes (presence or estimates of extent; drivers; consequences and solutions). RESULTS: We identified 2763 unique records and included 162 articles reporting on 154 studies across 55 countries, involving over 2.8 million participants and/or requests for tests. Almost half the studies focused on overdiagnosis (70; 45.5%), one-third on overuse of tests (61; 39.6%) and one-fifth on both (23; 14.9%). Common overdiagnosed conditions included malaria (61; 39.6%) and thyroid cancer (25; 16.2%), estimated to be >70% in China. Overused tests included imaging (n=25 studies) such as CT and MRI; laboratory investigations (n=18) such as serological tests and tumour markers; and procedures (n=14) such as colonoscopy. Drivers included fear of conflict with patients and expanding disease definitions. Common consequences included unnecessary treatments such as antimalarials, and wasted resources, with costs of malaria overdiagnosis estimated at US$86 million in Sudan in 1 year alone. Only 9% of studies discussed solutions, which included addressing inappropriately lowered diagnostic thresholds and reforming test-ordering processes. CONCLUSIONS: Overdiagnosis and overuse of tests are widespread in LMICs and generate significant harm and waste. Better understanding of the problems and robust evaluation of solutions is needed, informed by a new global alliance of researchers and policy-makers.

[Food insecurity in the area of influence of the Center of Family and Community Medicine "San Pantaleón" (Province of Buenos Aires).] / Inseguridad alimentaria en el área de influencia del Centro de Medicina Familiar y Comunitaria "San Pantaleón" (Provincia de Buenos Aires).

Introduction: Last years, food insecurity is a raising problem in Argentina and is a key indicator of population health. The principal aim of this study was to determine food insecurity prevalence in a population of Buenos Aires suburbs, considering as secondary objectives: 1) to evaluate associated variables with food insecurity; 2) to perform provisional statistical validation of the Food Insecurity Experience Scale (FIES). Methods: It was conducted a descriptive, cross-sectional research study was conducted. Check the FIES survey in people over 15 years of age in the Barrio Santa María in Bajo Boulogne, San Isidro district, Buenos Aires. A probabilistic sampling was carried out. The data will be analyzed following the Rasch model proposed by the Food and Agriculture Organization of the United Nations. Results: 222 people were interviewed, finding a prevalence of moderate / severe food insecurity of 47.29% and severe of 6.57%. We found an independent association with a female head of household OR 2.22; (95%CI 1.27 to 3.87) and having more than 4 cohabitants in the home OR 2.24; (95%CI 1.25 to 4.02). The provisional validation of the FIES survey was carried out in our sample through the testing of the Rasch model assumptions. Conclusion: food insecurity is a problem present in our population. It was carried out the validation of an instrument to measure it, easy to apply and that allows valid comparisons between local and international measurements.

Introducción: La inseguridad alimentaria es una problemática en aumento en los últimos años en Argentina y resulta un indicador clave del estado de salud de la población. Este estudio se propuso determinar su prevalencia en una población del conurbano bonaerense planteándose como objetivos secundarios: 1) evaluar variables que se asocien con la inseguridad alimentaria; 2) realizar la validación estadística provisional de la Escala de la Inseguridad Alimentaria basada en la Experiencia (FIES). Materiales y métodos: Se realizó un estudio de investigación descriptivo, de corte transversal. Se utilizó la encuesta FIES en personas mayores de 15 años del Barrio Santa María en el Bajo Boulogne, partido de San Isidro, provincia de Buenos Aires. Se realizó un muestreo probabilístico. Se analizaron los datos siguiendo el modelo Rasch propuesto por la Organización de las Naciones Unidas para la Alimentación y la Agricultura. Resultados: Se entrevistaron 222 personas hallando una prevalencia de inseguridad alimentaria moderada/severa de 47,29% y severa de 6,57%. Se observó una asociación independiente con una jefatura de hogar femenina OR 2,22; (IC95% 1,27 a 3,87) y con tener más de 4 convivientes en el hogar OR 2,24; (IC95% 1,25 a 4,02). Se realizó la validación provisional de la encuesta FIES en nuestra muestra a través del testeo de las asunciones del modelo Rasch. Conclusión: la inseguridad alimentaria es un problema presente en nuestra población. Se realizó la validación de un instrumento para medirla, de sencilla aplicación y que permite realizar comparaciones válidas entre mediciones locales e internacionales.

Estimation of the burden of cardiovascular disease attributable to modifiable risk factors and cost-effectiveness analysis of preventative interventions to reduce this burden in Argentina.

BACKGROUND: Cardiovascular disease (CVD) is the primary cause of mortality and morbidity in Argentina representing 34.2% of deaths and 12.6% of potential years of life lost (PYLL). The aim of the study was to estimate the burden of acute coronary heart disease (CHD) and stroke and the cost-effectiveness of preventative population-based and clinical interventions. METHODS: An epidemiological model was built incorporating prevalence and distribution of high blood pressure, high cholesterol, hyperglycemia, overweight and obesity, smoking, and physical inactivity, obtained from the Argentine Survey of Risk Factors dataset. Population Attributable Fraction (PAF) of each risk factor was estimated using relative risks from international sources. Total fatal and non-fatal events, PYLL and Disability Adjusted Life Years (DALY) were estimated. Costs of event were calculated from local utilization databases and expressed in international dollars (I$). Incremental cost-effectiveness ratios (ICER) were estimated for six interventions: reducing salt in bread, mass media campaign to promote tobacco cessation, pharmacological therapy of high blood pressure, pharmacological therapy of high cholesterol, tobacco cessation therapy with bupropion, and a multidrug strategy for people with an estimated absolute risk > 20% in 10 years. RESULTS: An estimated total of 611,635 DALY was lost due to acute CHD and stroke for 2005. Modifiable risk factors explained 71.1% of DALY and more than 80% of events. Two interventions were cost-saving: lowering salt intake in the population through reducing salt in bread and multidrug therapy targeted to persons with an absolute risk above 20% in 10 years; three interventions had very acceptable ICERs: drug therapy for high blood pressure in hypertensive patients not yet undergoing treatment (I$ 2,908 per DALY saved), mass media campaign to promote tobacco cessation amongst smokers (I$ 3,186 per DALY saved), and lowering cholesterol with statin drug therapy (I$ 14,432 per DALY saved); and one intervention was not found to be cost-effective: tobacco cessation with bupropion (I$ 59,433 per DALY saved) CONCLUSIONS: Most of the interventions selected were cost-saving or very cost-effective. This study aims to inform policy makers on resource-allocation decisions to reduce the burden of CVD in Argentina.

[Estimate of the cardiovascular disease burden attributable to modifiable risk factors in Argentina]. / Estimación de la carga de las enfermedades cardiovasculares atribuible a factores de riesgo modificables en Argentina.

OBJECTIVE: Estimate the burden of disease, the proportion attributable to the principal modifiable cardiovascular risk factors, and the direct medical cost of hospitalization associated with coronary heart disease and stroke in Argentina. METHODOLOGY: An analitical model was prepared using Argentina's 2005 mortality data and the prevalence of the principal cardiovascular risk factors (hypertension, hypercholesterolemia, overweight, obesity, hyperglycemia, current and past smoking, sedentary lifestyle, and inadequate intake of fruits and vegetables). The burden of disease-years of potential life lost (YPLL) and years of healthy life lost (YHLL)- and hospitalization costs for the cardiovascular diseases analyzed were estimated. RESULTS: In 2005 over 600 000 YHL were lost in Argentina and the number of YPLL due to heart disease and stroke was calculated at 400 000; 71.1% of the YHLL, 73.9% of the YPLL, and 76.0% of the associated costs were attributable to modifiable risk factors. Hypertension was the risk factor with the greatest impact in both men and in women, responsible for 37.3% of the total cost, 37.5% of the YPLL, and 36.6% of the YHLL. CONCLUSIONS: Most of the burden of disease from cardiovascular disease in Argentina is associated with modifiable, and therefore preventable, risk factors and could be reduced through population-based and clinical interventions that employ a risk approach; such interventions have already proven to be cost effective, accessible, and feasible in countries like Argentina.

[Evidence Based Medicine: shadows and lights]. / Luces y sombras de la Medicina Basada en la Evidencia.

When taking decisions as regards patient care, based on the evidence (MBE) medicine is the conscious, wise and explicit utilization of the best available tests. The utilization of this strategy involves the recognition of the patches in the knowledge, the realization of a precise research in primary information sources, the analysis of the validity of the discoveries and their utilization in problem solving. The MBE has emerged in a frame of explosion regarding clinical research and access to the information. It has also been a response to the difficulty of keeping up-dated, to the increasing variability in the clinical practice, and to the non-application of measures with checked security and effectiveness. However, it is worrying the fact that a great part of the investigation tests are designed, conducted and analyzed by the pharmaceutical industry. This phenomenon has introduced a worrying distortion because it investigates what it is interesting for the pharmaceutical companies. On the other hand, financial sources mainly achieve results which are favourable to their interests, which are more spread and communicated through different mechanisms.

Exploratory Analysis of HIV Status Knowledge and Associated Factors Using Data from Electronic Medical Records.

Despite recommendations for the routine HIV testing of all sexually active individuals, a significant percentage of HIV-positive adults are unaware of their HIV status. Therefore, a number of strategies have been implemented to expand HIV testing, which in turn makes it necessary to develop tools for identifying patients with unknown HIV status. This study presents the results of an external validation of an electronic phenotyping algorithm for identifying HIV status and its application on a retrospective cohort in order to explore temporal trends of HIV knowledge status and associated factors.

Clinical practice guidelines: Concepts, limitations and challenges. / Guías de práctica clínica: conceptos, limitaciones y desafíos.

Clinical practice guidelines are the most important documents for the incorporation of scientific evidence in health decision making through the formulation of recommendations. There is a variable terminology used to refer to the documents that guide health professionals in decision making. When clinical practice guidelines are of high quality, they appraise contextual aspects such as the use of resources, applicability, and patients values and preferences. Even so, they are not recipe books, since they may have limitations. In this review, we propose to clarify the different denominations across the various types of documents available to guide the health professional when making clinical decisions. We discuss the main characteristics of clinical practice guidelines, quality assessment, challenges, and limitations.

Las guías de práctica clínica son los documentos de mayor relevancia para la incorporación de la evidencia científica en la toma de decisiones en salud mediante la formulación de recomendaciones. Existe una nomenclatura muy variada para denominar los documentos que guían a los profesionales de la salud en la toma de decisiones. Cuando estas son de alta calidad evalúan aspectos contextuales, tales como el uso de recursos, la aplicabilidad y los valores y preferencias de los pacientes. Aun así, no constituyen manuales, dado que pueden tener limitaciones. En esta revisión se clarifican algunas diferentes denominaciones entre los diversos tipos de documentos disponibles para orientar al profesional de salud en la toma de decisiones en su práctica clínica. Se discuten las principales características de las guías de práctica clínica, la evaluación de su calidad, sus desafíos y sus limitaciones.

A multimodal strategy based on pay-per-performance to improve quality of care of family practitioners in Argentina.

Pay-for-performance has become increasingly common to complement physician reimbursement. We designed a quality framework to measure family physicians' performance in a managed care setting in Buenos Aires. We aimed to assess the effectiveness of a multimodal intervention based on pay-for-performance, teamwork, continuous education, and audit and feedback to improve quality. After 2 years, a significant improvement was observed in most of the indicators measuring clinical effectiveness and some improvements were observed in other domains. Despite these results, a better performance matrix is needed to capture not only specific conditions but also other aspects like integrating, prioritizing, and personalizing care.

Lanzamiento de la campaña Choosing Wisely Argentina: primeros pasos hacia la desimplementación de prácticas de bajo valor / Launch of the Choosing Wisely Argentina campaign: first steps towards the de-implementation of low-value practices

En esta editorial, la autora aborda la problemática de las prácticas de bajo valor en la medicina contemporánea: aquellas intervenciones terapéuticas o diagnósticas carentes de respaldo científico, que aumentan la probabilidad de daños, generan desperdicio de recursos y amenazan la eficiencia del sistema de salud. En un contexto de preocupación global por el exceso médico y las consecuencias del sobreuso de intervenciones inefectivas, resalta la relevancia del concepto de prevención cuaternaria en la atención sanitaria, y señala la iniciativa internacional Choosing Wisely como una estrategia para identificar y revertir las prácticas de bajo valor, destacando la importancia del cambio cultural y la participación activade los pacientes. Finalmente, la autora presenta el lanzamiento de Choosing Wisely Argentina, una colaboración entre asociaciones científicas locales con el compromiso de transformar la práctica médica en este país, priorizando el bienestar del paciente y adoptando un enfoque integral hacia la atención sanitaria. (AU)

In this editorial, the author addresses the problem of low-value practices in contemporary medicine: those therapeutic or diagnostic interventions that lack scientific support and increase the probability of damage, generate waste of resources,and threaten the efficiency of the health system. In a context of global concern about medical excess and the consequences of the overuse of ineffective interventions, she highlights the relevance of the concept of quaternary prevention in healthcare, and points to the international Choosing Wisely initiative as a strategy to identify and reverse low-value practices, highlighting the importance of cultural change and active patient participation. Finally, the author presents the launch of Choosing Wisely Argentina, a collaboration amongst local scientific associations with the commitment to transform medical practice in this country, prioritizing patient well-being and adopting a comprehensive approach to health care. (AU)

[Prostate specific antigen utilization trends in an academic hospital in Argentina.] / Tendencia temporal de realización de Antígeno Prostático Específico en un Hospital Académico de Buenos Aires.

Background: Although prostate cancer (PC) screening with prostate-specific antigen (PSA) determination could decrease mortality, concerns about the potential risk of overdiagnosis led to recommendations against this preventive practice. The objective of this study was to describe the trend in PSA determinations in men between 40 and 79 years old, affiliated to a Health Maintenance Organization (HMO) of an academic hospital in the city of Buenos Aires, Argentina, and its association with the recommendations stated by the U.S. Preventive Task Force (USPSTF) and the Instituto Nacional del Cáncer in Argentina. Methods: We analyzed a time series of aggregated data. We calculated the annual age-standardized rates of accumulated determinations of PSA for every 100 affiliates without a personal history of PC. Additionally, we compared trends by age groups every 10 years. We used Joinpoint and MS Excel programs. Results: Between 2006 and 2011 there was a growing trend in the number of PSA determinations, with an annual average of + 1.2% (95% CI, -1.0 to +3.5). Between 2011 and 2015, the number of determinations began to decrease, with a percentage annual average of -4.1% (-6.9 to -1.1). Conclusion: We found a gradual decrease in PSA utilization in men between 40 and 79 years old after the 2012 USPSTF recommendation against prostate cancer screening.

Introducción: Aunque el rastreo del cáncer de próstata (CP) mediante el dosaje sérico de antígeno prostático específico (en inglés, PSA) podría disminuir la mortalidad, la preocupación por su potencial riesgo de sobrediagnóstico llevó a desaconsejar su realización. El objetivo de este estudio fue describir la tendencia temporal de realización de esta práctica en varones entre 40 y 79 años afiliados a un seguro privado de salud de la ciudad de Buenos Aires, en relación con las recomendaciones de la Fuerza de Tareas Preventivas de los EE.UU. (USPSTF) y el Instituto Nacional del Cáncer de Argentina. Métodos. Serie temporal de datos agregados. Se calcularon las tasas anuales estandarizadas de incidencia acumulada de realización de PSA cada 100.000 afiliados sin antecedentes personales de CP, en el período 2006 a 2015. Adicionalmente, se construyeron curvas de tendencia por grupos etarios cada 10 años. Se utilizaron los programas Joinpoint y MS Excel. Resultados. Entre 2006 y 2011 hubo una tendencia creciente en la realización de PSA, con un promedio anual porcentual de +1,2% (IC 95%, -1,0 a +3,5). Entre 2011 y 2015, el número de determinaciones comenzó a decrecer, con un promedio anual porcentual de -4,1% (-6,9 a -1,1). Conclusión. En un hospital académico de Buenos Aires se observó un descenso paulatino en la realización de PSA en varones entre 40 y 79 años luego de la recomendación de 2012 en contra del rastreo del CP en todos los grupos etarios. Métodos: Serie temporal de datos agregados. Se calcularon las tasas anuales estandarizadas de incidencia acumulada de realización de PSA cada 100.000 afiliados sin antecedentes personales de CP, en el período 2006 a 2015. Adicionalmente, se construyeron curvas de tendencia por grupos etarios cada 10 años. Se utilizaron los programas Joinpoint y MS Excel. Resultados. Entre 2006 y 2011 hubo una tendencia creciente en la realización de PSA, con un promedio anual porcentual de +1,2% (IC 95%, -1,0 a +3,5). Entre 2011 y 2015, el número de determinaciones comenzó a decrecer, con un promedio anual porcentual de -4,1% (-6,9 a -1,1). Conclusión. En un hospital académico de Buenos Aires se observó un descenso paulatino en la realización de PSA en varones entre 40 y 79 años luego de la recomendación de 2012 en contra del rastreo del CP en todos los grupos etarios. Resultados: Entre 2006 y 2011 hubo una tendencia creciente en la realización de PSA, con un promedio anual porcentual de +1,2% (IC 95%, -1,0 a +3,5). Entre 2011 y 2015, el número de determinaciones comenzó a decrecer, con un promedio anual porcentual de -4,1% (-6,9 a -1,1). Conclusión. En un hospital académico de Buenos Aires se observó un descenso paulatino en la realización de PSA en varones entre 40 y 79 años luego de la recomendación de 2012 en contra del rastreo del CP en todos los grupos etarios. Conclusión: En un hospital académico de Buenos Aires se observó un descenso paulatino en la realización de PSA en varones entre 40 y 79 años luego de la recomendación de 2012 en contra del rastreo del CP en todos los grupos etarios.