Publications by authors named "Osvaldo Ulises Garay"

Objectives: Preeclampsia (PE) is a pregnancyrelated hypertensive disorder that can lead to severe complications and adverse maternal and fetal outcomes. This study aimed to estimate the economic impact of integrating the sFlt-1/PlGF ratio into Uruguay's healthcare system as part of routine clinical practice for diagnosing.

Material And Methods: A decision tree model was used to estimate the annual economic impact on the Uruguayan healthcare system for a hypothetical cohort of women with suspected PE.

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Article Synopsis
  • - Healthcare decision-making often relies on uncertain assessments of clinical and economic value due to incomplete or absent evidence, especially in areas like advanced therapies and rare diagnoses.
  • - Structured expert elicitation (SEE) helps gather and quantify expert knowledge about uncertain factors, utilizing various protocols to ensure more transparent and reliable assessments.
  • - The report introduces five SEE protocols, highlights their implementation differences, discusses their strengths and weaknesses, and suggests areas for further research without making specific practice recommendations.
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Article Synopsis
  • - This study assessed the cost-effectiveness of four different surveillance methods for hepatocellular carcinoma (HCC) in the UK, which included various combinations of biomarker assays and ultrasound techniques.
  • - A detailed Markov model was created using Excel to simulate patient outcomes based on life-years and quality-adjusted life-years (QALYs), ultimately revealing that the GAAD method was the most cost-effective approach, while GAAD combined with ultrasound proved to be the most clinically effective.
  • - The findings suggest that, given current costs and low HCC rates in the UK, either the GAAD strategy alone or in combination with ultrasound offers the best balance of cost-effectiveness, although further evaluations of the GAAD + ultrasound strategy's performance are
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To evaluate the cost-effectiveness of seven screening strategies for chronic hepatitis B (CHB) patients in China. A discrete event simulation model combining a decision tree and Markov structure was developed to simulate a CHB cohort aged ≥40 years on a lifetime horizon and evaluate the costs and health outcomes (quality-adjusted life years [QALYs] gained) of ultrasonography (US), alpha-fetoprotein (AFP), protein induced by vitamin K absence-II (PIVKA-II), AFP+US, AFP+PIVKA-II, GAAD (a diagnostic algorithm based on gender and age combined with results of AFP and PIVKA-II) and GAAD+US. Epidemiologic, clinical performance, utility and cost data were obtained from the literature, expert interviews and real-world data.

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In Belgium, antibiotic resistance leads to approximately 530 deaths with a €24 million financial burden annually. This study estimated the impact of procalcitonin-guided antibiotic stewardship programs to reduce antibiotic consumption versus standard of care in patients with suspected sepsis. A decision analytic tree modelled health and budget outcomes of procalcitonin-guided antibiotic stewardship programs for patients admitted to the intensive care unit (ICU).

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Objectives: Preeclampsia (PE) is a hypertensive disorder of pregnancy that can cause severe complications and adverse fetal/maternal outcomes. We aimed to estimate the annual economic impact of incorporating Elecsys® sFlt-1/PlGF PE ratio, which measures soluble fms-like tyrosine kinase-1 and placental growth factor, into routine clinical practice in Argentina to aid diagnosis of PE and hemolysis, elevated liver enzymes, and low platelets syndrome from second trimester onward in pregnancies with clinical suspicion of PE.

Methods: A decision tree was used to estimate annual economic impact on the Argentine health system as a whole, including relevant costs associated with diagnosis, follow-up, and treatment from initial presentation of clinically suspected PE to delivery.

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Background: Worldwide, 1 % of the population receives anticoagulation therapy, with prevalence higher in older adults. Difficulties in the adequate management of these patients have led to the development of strategies focused on achieving therapeutic control and reducing adverse events with efficient use of resources.

Objective: To estimate the cost utility and budget impact on the Argentinean health system of implementation of anticoagulation clinics (ACs) (with and without use of point-of-care [POC] CoaguChek devices [Roche Diagnostics International Ltd]) compared with the traditional laboratory method (non-AC settings) for the management of anticoagulated patients.

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Objectives: Cervical cancer (ICC) is the fourth leading cause of mortality in women in Argentina and primary screening with conventional cytology (Papanicolaou smear) is the most widely used strategy despite its limitations. Strategies based on human papillomavirus (HPV) testing have the potential to improve detection and reduce mortality. The objective of this study is to evaluate the cost-effectiveness and budgetary impact of a strategy based on HPV testing with genotyping.

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Background: Inappropriate antibiotic use represents a major global threat. Sepsis and bacterial lower respiratory tract infections (LRTIs) have been linked to antimicrobial resistance, carrying important consequences for patients and health systems. Procalcitonin-guided algorithms may represent helpful tools to reduce antibiotic overuse but the financial burden is unclear.

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Background: The treatment of choice for advanced non-small cell lung cancer is selected according to the presence of specific alterations. Patients should undergo molecular testing for relevant modifications and the mutational status of EGFR and translocation of ALK and ROS1 are commonly tested to offer the best intervention. In addition, the tests costs should also be taken in consideration.

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Background: Around 6% of total deaths are related to alcohol consumption worldwide. Mathematical models are important tools to estimate disease burden and to assess the cost-effectiveness of interventions to address this burden.

Methods: We carried out a systematic review on models, searching main health literature databases up to July 2017.

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Background: Acute kidney injury (AKI) is a public health problem that affects millions of hospitalized patients worldwide. In Argentina, evidence suggests that its incidence has risen in recent years. When severe, AKI may require a renal replacement therapy (RRT) where continuous RRT (CRRT) and intermittent RRT (IRRT) are plausible options for patients in the intensive care unit.

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Objective: To explore the motivations and expectations of the users of the Program for Healthy Centers in the Autonomous City of Buenos Aires and to evaluate its potential health impact.

Methods: In-depth interviews were conducted (n = 34) and a self-administered survey was sent to users of the program (n = 605). An epidemiological model was developed to estimate the impact of the program on cardiovascular events (CVE) and disability-adjusted life years (DALYs).

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Background: Protease inhibitor monotherapy is a simplified treatment strategy for virally suppressed HIV-positive patients that has the potential for cost savings, as fewer drugs are used than with combination therapy. However, evidence for its economic value is limited.

Objectives: We assessed the cost-effectiveness of lopinavir/ritonavir monotherapy followed by treatment intensification in case of viral load rebound versus combination antiretroviral therapy (cART) with efavirenz/emtricitabine/tenofovir in HIV-1 infected patients with viral suppression in the ANRS 140 DREAM trial.

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Background: Re-use of medical devices labeled and marketed for single use only is a current practice around the world.

Objectives: To estimate the average difference per surgery in device-related costs (DRCs) when performed with single-use devices under a single-use policy (SUP) instead of a re-use policy (RP) from the perspective of the private health sector of Argentina.

Methods: An analytical model was developed in Microsoft Excel and populated with data from a literature review, a Delphi-like panel, and local cost estimations.

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Background: Cervical cancer (CC) and genital warts (GW) are a significant public health issue in Venezuela. Our objective was to assess the cost-effectiveness of the two available vaccines, bivalent and quadrivalent, against Human Papillomavirus (HPV) in Venezuelan girls in order to inform decision-makers.

Methods: A previously published Markov cohort model, informed by the best available evidence, was adapted to the Venezuelan context to evaluate the effects of vaccination on health and healthcare costs from the perspective of the healthcare payer in an 11-year-old girls cohort of 264,489.

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Objectives: To describe and compare the requirements for medical devices licensing and reimbursement in four Latin-American countries.

Methods: We conducted a literature search in major databases, and generic Internet engines, and interviewed key informants.

Results: We included all publications describing regulation and/or coverage and enriched them with key informant's interviews.

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Purpose: To derive a value set from Uruguayan general population using the EQ-5D-5L questionnaire and report population norms.

Methods: General population individuals were randomly assigned to value 10 health states using composite time trade off and 7 pairs of health states through discrete choice experiments. A stratified sampling with quotas by location, gender, age and socio-economic status was used to respect the Uruguayan population structure.

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Postpartum hemorrhage (PPH) is a leading cause of maternal death. Despite strong evidence showing the efficacy of routine oxytocin in preventing PPH, the proportion of women receiving it after delivery is still below 100%. The Uniject injection system prefilled with oxytocin (Uniject) has the potential advantage, due to its ease of use, to increase oxytocin utilization rates.

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Objectives: Differential pricing, based on countries' purchasing power, is recommended by the World Health Organization to secure affordable medicines. However, in developing countries innovative drugs often have similar or even higher prices than in high-income countries. We evaluated the potential implications of trastuzumab global pricing policies in terms of cost-effectiveness (CE), coverage, and accessibility for patients with breast cancer in Latin America (LA).

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Budgetary Impact Analysis (BIA) applied to health care can be defined as the estimate of the net financial costs that a given intervention would represent for a health care institution given the case it was covered. Routinely, BIAs are used to decide the inclusion or exclusion of drugs in therapeutic schemes; actually, the increased use of BIAs have raised awareness about the fact that health economic evaluations represent a partial view in the analysis of the consequences of incorporating health technologies. This paper seeks to identify the determinants and components of BIA, and to describe the development of a spreadsheet model that enables us to assess the Budget impact of any health technology and perform estimations with differing degrees of complexity.

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Economic evaluation guidelines are widespread in developed countries with fourth hurdle systems but as of yet not in Latin America. In the present article, a systematic search was conducted in order to retrieve regional guidelines in PubMed, Latin American and Caribbean Health Sciences Literature (LILACS) and the gray literature. Four national guidelines were found: Brazil, Colombia, Cuba and Mexico.

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