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AIMS: The aim was to determine the impact of a case management model on indicators of health service utilization, polypharmacy, quality of life and dependency of patients with multimorbidity, and family caregiver overload in a group of patients insured with two insurance companies in the city of Bogotá (Colombia). DESIGN: This was a mixed methods study, which integrated a quantitative and qualitative component. METHODS: The study was conducted between July 2019 and March 2020. A quantitative component is based on a pre-experimental study with a single group and pre- and post-test measurements. Patients with multimorbidity with a medium or high level of complexity were included in the study. A sample of 317 patients and their caregivers was estimated. Following the completion of the intervention, a descriptive study that explored the perspective of nurses, patients and caregivers was developed to better understand the process and results from their own words and experience. A total of 17 dyads of patients and caregivers were interviewed, as well as six nurse managers. The integration strategy was developed based on a comparison made from the perspective of multiple stakeholders. RESULTS: The model's impact on quality of life, particularly in terms of social functioning and mental health, has been documented. Caregiver overload was reduced and an improvement in the adoption of the role was observed, aspects that converge with the experience of the dyads and the caregivers in the support and backing provided by the model. CONCLUSION: The intervention was structured in five modules: case detection, complexity screening, comprehensive assessment with various instruments, individualized care and follow-up plan, and plan assessment. The nurse manager role is confirmed as that of a professional with the leadership capacity to articulate disciplines and actors, whilst also dealing with the day-to-day needs of people with complex health conditions. IMPACT: A comprehensive and integrated approach to patients with multiple diseases in a health insurance context marked by access barriers and fragmentation of health services. The study provides quantitative and qualitative evidence of the benefits of the case management model in Colombia for patients with multiple diseases and their family caregivers, particularly in terms of the psychosocial dimensions of health-related quality of life and dependence assessment. A significant impact on the caregiver role, as well as an improvement in perception and trust in the health system, was observed as a result of the overcoming of administrative barriers achieved by the nurse case manager. The findings are considered to be extremely useful for decision-makers and insurers in developing a case management model focused on comprehensive and individualized care plans, as well as for individuals with multiple diseases and their caregivers.

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Introducción. La detección del virus del papiloma humano mediante la combinación de la prueba de HPV y otras técnicas como la citología, ha demostrado su eficacia en el diagnóstico y tratamiento oportuno de lesiones asociadas con el cáncer de cuello uterino. Objetivo. Estimar el impacto presupuestal de la estrategia de detección temprana del HPV mediante la prueba de genotipificación combinada con la citología en comparación con la citología convencional, en mujeres de 30 a 65 años participantes en el programa de tamizaje de cáncer de cuello uterino en una Entidad Administradora del Plan de Beneficios en salud (EAPB) en Colombia. Materiales y métodos. Utilizando un árbol de decisiones y un modelo de Markov, se estimaron las implicaciones clínicas y los costos directos anuales de dos ciclos de tamizaje, diagnóstico y tratamiento, en una cohorte de mujeres. Las prevalencias de los resultados clínicos y los costos se tomaron de la base de datos de una EAPB y la información de la progresión, persistencia y regresión de los estados de salud provinieron del estudio ATHENA. Resultados. El esquema de tamizaje con la prueba de HPV, la genotipificación y la citología resultó en un ahorro de costos comparado con la citología convencional. El costo promedio por ciclo de tamizaje con la prueba de HPV se estimó en COP $129'201.363 y con la citología en COP $186'309.952, es decir, un ahorro de COP $57'108.589 (30,7 %). Conclusión. La implementación de la estrategia de tamizaje evaluada sugiere que habría ahorros derivados de la detección temprana de los estados de salud asociados con el desarrollo de cáncer de cuello uterino.

Introduction: The detection of the human papillomavirus (HPV) through the combination of the HPV test and other techniques such as cytology has impacted the detection and timely treatment of lesions associated with cervical cancer. Objective: To estimate the budgetary impact of the strategy of early detection of HPV with DNA test genotyping with reflex cytology versus conventional cytology in women aged 30 to 65 years attending the cervical cancer screening program at a health benefit managing entity in Colombia. Materials and methods: Using a decision tree and a Markov model, the clinical implications and direct costs of screening, diagnosis, and treatment were estimated in a cohort of women. The analysis considered two screening cycles and their annual costs. The data on the prevalence of clinical results and the costs were taken from the health managing entity. The information on the progression, persistence, and regression of the health states were taken from the ATHENA study. Results: The screening scheme with the HPV test, genotyping, and reflex cytology compared to conventional cytology was cost-saving. The average cost per screening cycle with the HPV test was estimated at COP $ 129,201,363 and with cytology at COP $ 186,309,952, i.e., a saving of COP $ 57,108,589 (30.7%). Conclusion: The implementation of the screening strategy under evaluation suggests prospective savings derived from the early detection of health states associated with the development of cervical cancer.

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