Publications by authors named "C H Tamayo"

Retinal diseases are major contributors to disability, significantly affecting patients' quality of life. Diabetic macular edema (DME) and neovascular age-related macular degeneration (nAMD) represent a significant disease and economic burden in Colombia. Assessing the economic evaluation of available treatments is essential for the efficient allocation of healthcare resources.

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Objectives: To evaluate cost-effective pharmacological treatment in adult kidney transplant recipients from the perspective of the Colombian health system.

Methods: A decision tree model for the induction phase and a Markov model for the maintenance phase were built. A review of the clinical literature was conducted to extract probabilities, and the life-years were used as the outcome.

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Objectives: To evaluate the cost-effectiveness of pharmacological treatment in maintenance therapy for adult heart transplant recipients from the Colombian health system perspective.

Methods: We constructed a decision tree model with a 1-year time horizon. A review of the clinical literature was performed to extract probabilities of health events and acute rejections avoided were used as the health outcome.

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Interventions that address adolescent conduct problems are essential for decreasing negative risk behaviors and promoting positive protective factors among youth. Although interventions have been developed and tested in the United States, preventive evidence-based interventions (EBIs) are less available in Latin American countries such as Ecuador. Therefore, the purpose of this study was to evaluate the efficacy of an evidence-based, parent-centered intervention, Familias Unidas, in preventing/reducing conduct problems, across time, among youth in Guayaquil, Ecuador.

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Background: Although gay, bisexual, and other cisgender men who have sex with men (MSM) and transgender women have the highest HIV burden in Latin America, pre-exposure prophylaxis (PrEP) implementation is poor. We aimed to assess the feasibility of same-day oral PrEP delivery in Brazil, Mexico, and Peru.

Methods: Implementation PrEP (ImPrEP) was a prospective, single-arm, open-label, multicentre PrEP implementation study conducted in Brazil (14 sites), Mexico (four sites), and Peru (ten sites).

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