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Dive into the research topics where Nelson Alvis Guzmán is active.

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Featured researches published by Nelson Alvis Guzmán.


Revista Panamericana De Salud Publica-pan American Journal of Public Health | 2006

Relación costo-efectividad de la vacuna contra Haemophilus influenzae tipo b en niños menores de dos años de edad en Colombia

Nelson Alvis Guzmán; Fernando De la Hoz Restrepo; David Vivas Consuelo

OBJECTIVE Conjugate vaccines are the best public health tools available for preventing most invasive diseases caused by Haemophilus influenzae type b (Hib), but the high cost of the vaccines has so far kept them from being introduced worldwide. The objective of this study was to estimate the cost-effectiveness of introducing Hib conjugate vaccines for the prevention of meningitis and pneumonia among children under 2 years of age in Colombia. METHODS We estimated the direct and indirect costs of managing in-hospital pneumonia and meningitis cases. In addition, following the recommendations of the World Health Organization, we assessed the cost-effectiveness of Hib vaccination programs. We also estimated the costs for preventing Hib cases, and the cost per year of life saved in two hypothetical situations: (1) with vaccination against Hib (with 90% coverage) and (2) without vaccination. RESULTS The average in-hospital treatment costs were 611.50 US


Revista de salud publica (Bogota, Colombia) | 2004

Tendencias de la mortalidad por enfermedades infecciosas en Cartagena de Indias, Colombia, 1995 - 2000: una medida de la transición epidemiológica

Nelson Alvis Guzmán; Fernando De la Hoz Restrepo

(95% confidence interval (95% CI) = 532.2 to 690.8 US


Reproductive Health Matters | 2014

Medical abortion and manual vacuum aspiration for legal abortion protect women's health and reduce costs to the health system: findings from Colombia.

Maria I. Rodriguez; Willis Simancas Mendoza; Camilo Guerra-Palacio; Nelson Alvis Guzmán; Jorge E. Tolosa

) per case of pneumonia and 848.9 US


Revista Panamericana De Salud Publica-pan American Journal of Public Health | 2012

Costo-efectividad de la vacunación contra influenza pandémica en mujeres embarazadas en Colombia

Luz Angela Chocontá-Piraquive; Nelson Alvis Guzmán; Fernando De la Hoz Restrepo

(95% CI = 716.8 to 981.0 US


Revista Panamericana De Salud Publica-pan American Journal of Public Health | 2005

Costos económicos de las neumónias en niños menores de 2 años de edad, en Colombia

Nelson Alvis Guzmán; Fernando De la Hoz Restrepo; Ana Betty Higuera; Desiree Pastor; José Luis Di Fabio

) per case of meningitis. The average cost per Hib case prevented was 316.7 US


Colombia Medica | 2010

Cost effectiveness of heptavalent pneumococcal conjugate vaccine in populations of high risk in Colombia

Nelson Alvis Guzmán; Fernando de la Hoz

(95% CI = 294.2 to 339.2 US


Revista de la Facultad de Medicina | 2008

CONTAMINACIÓN DEL AIRE DOMICILIARIO Y ENFERMEDADES RESPIRATORIAS (INFECCIÓN RESPIRATORIA AGUDA BAJA, EPOC, CÁNCER DE PULMÓN Y ASMA): EVIDENCIAS DE ASOCIACIÓN

Nelson Alvis Guzmán; Fernando De la Hoz Restrepo

). In terms of cost-effectiveness, the cost would be 2.38 US


Semestre Económico | 2013

ECONOMIC VALUATION OF MORTALITY IN THE CARIBBEAN REGION OF COLOMBIA

Andrés Castaño Zuluaga; Juan Correa Reyes; Luis Alvis Estrada; Nelson Alvis Guzmán

per year of life saved for vaccination, versus 3.81 US


Revista Científica Salud Uninorte | 2014

Análisis de costo-efectividad del uso de Detemir en pacientes con diabetes tipo 2 en riesgo de presentar eventos cardiovasculares y muerte en Colombia

Martín Romero Prada; Nelson Alvis Guzmán; Diana Chávez Bejarano; Elizabeth Karpf Benavides

per year of life saved without vaccination. CONCLUSION Having an adequate Hib vaccination program in Colombia could prevent around 25,000 cases of invasive disease per year, representing a cost savings of at least 15 million US


Semestre Económico | 2013

VALORACIÓN ECONÓMICA DE LA MORTALIDAD EN LA REGIÓN CARIBE DE COLOMBIA, 2004-2008

Andrés Castaño Zuluaga; Juan Correa Reyes; Luis Alvis Estrada; Nelson Alvis Guzmán

annually. Furthermore, the program could prevent some 700 deaths per year and save 44,054 years of life per year.OBJETIVOS: Las vacunas conjugadas contra Haemophilus influenzae tipo b (Hib) son la herramienta mas importante para prevenir la mayoria de las enfermedades invasoras producidas por dicho patogeno, pero debido a su costo, aun no se han introducido mundialmente de manera masiva. En el presente estudio se determino la relacion costo-efectividad de una vacuna contra Hib para prevenir la neumonia y la meningitis bacterianas en ninos menores de 2 anos en Colombia. METODOS: Se estimaron los costos directos e indirectos de la neumonia y la meningitis hospitalaria y siguiendo las recomendaciones de la Organizacion Mundial de la Salud (OMS), la relacion costo-efectividad de los programas de vacunacion contra Hib. Se estimaron tambien las razones de costos por caso evitado de enfermedad invasora por Hib y el costo por ano de vida salvado en dos situaciones hipoteticas: con vacunacion contra Hib (cobertura vacunal: 90%) y sin vacunacion. RESULTADOS: El costo medio del tratamiento hospitalario de un caso de neumonia fue de 611,5 dolares estadounidenses (US

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Desiree Pastor

Pan American Health Organization

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José Luis Di Fabio

Pan American Health Organization

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