Results 31 to 40 of about 1,026,889 (221)

Valor pronóstico del índice de riesgo nutricional en receptores de trasplante cardiaco [PDF]

open access: yes, 2017
[Abstract] Introduction and objectives. To study the prognostic impact of preoperative nutritional status, as assessed through the nutritional risk index (NRI), on postoperative outcomes after heart transplantation (HT). Methods.
Barge-Caballero, Eduardo   +12 more
core   +2 more sources

An experimental approach to assess the combined effects of multiple stressors on a large vertebrate species

open access: yesConservation Biology, EarlyView.
Abstract The design of experiments to investigate the combined effects of multiple stressors requires exposing target organisms to multiple combinations of stressor doses. Concurrent manipulation of stressors is often infeasible with wildlife, but long‐lasting health effects allow individual health to be used as an integrator of prior stressor exposure.
Enrico Pirotta   +24 more
wiley   +1 more source

Key drivers of at‐vessel mortality in demersal sharks

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Chondrichthyans are highly vulnerable to fisheries overexploitation, and postcapture mortality poses a significant threat to most species. Global bycatch mitigation guidelines recommend adopting hierarchical decision‐making approaches tailored to species‐specific vulnerabilities and socioeconomic and regulatory contexts.
David Ruiz‐García   +3 more
wiley   +1 more source

Aplicación de una escala predictiva de muerte en pacientes geriátricos con neumonía adquirida en la comunidad

open access: yesUniversidad Médica Pinareña, 2017
Introducción: la neumonía adquirida en la comunidad constituye la cuarta causa de muerte en todas las edades. Más de la mitad de los ingresos de Medicina Interna presentan esta entidad.
Orlando Daniel Nicolau Díaz   +4 more
doaj   +2 more sources

Valor en Riesgo en índices bursátiles mundiales

open access: yes, 2022
El VaR representa la máxima pérdida esperada en condiciones normales dentro de un determinado intervalo de confianza y para un determinado horizonte temporal. El TVaR es una modificación del VaR que ofrece una valoración del tamaño y gravedad en la zona de pérdidas, no sólo de su probabilidad de ocurrencia.En el presente trabajo se aplican ambas ...
García Alonso, Jorge   +1 more
openaire   +1 more source

Successional and native forests predict the occurrence and infection status of Chagas disease vectors in Panama

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Findings here show that successional forest predicts greater kissing bug infestation risk in palm trees, whereas native forest predicts lower kissing bug occurrence but greater infection with T. cruzi. These insights can guide land use planning towards vegetation management practices that help minimize T. cruzi transmission risks for rural communities.
Juliana Hoyos   +10 more
wiley   +1 more source

A METHODOLOGICAL MODEL TO ASSIST IN THE OPTIMIZATION AND RISK MANAGEMENT OF MINING INVESTMENT DECISIONS

open access: yesDyna, 2011
Identificar, cuantificar y minimizar el riesgo técnico asociado a las decisiones de inversión es un desafío clave para los directivos de la industria minera y los inversores.
José A. Botín   +2 more
doaj  

Utilidad de la ecografía transvaginal para la predicción de parto prematuro luego de un cerclaje cervical: revisión de la literatura

open access: yesARS Medica, 2023
Introducción: el tratamiento de la insuficiencia cervical es el cerclaje cervical. Pese a este tratamiento el riesgo de parto prematuro persiste elevado en mujeres con insuficiencia cervical.
Caterina Solari, Jorge Carvajal Cabrera
doaj   +1 more source

VALOR EN RIESGO CON APROXIMACIONES CUADRÁTICAS

open access: yesRevista Mexicana de Economía y Finanzas, 2004
En este trabajo se propone un enfoque cuadratico para el calculo del Valor en Riesgo (VaR) para un portafolio con n activos y m factores de riesgo, basado en la expansion Cornish-Fisher y en el calculo de la delta y la gamma de cada activo. Esta metodologia presenta ventajas sobre tecnicas de simulacion basadas en la valoracion total de la posicion ya ...
openaire   +2 more sources

Critical Analysis of Fashion and Sustainability: An Umbrella Review From a Decolonial Approach

open access: yesBusiness Strategy and the Environment, Volume 34, Issue 8, Page 9700-9725, December 2025.
ABSTRACT The fashion industry is currently associated with numerous socio‐environmental impacts. Various efforts have emerged to explore pathways toward more sustainable fashion. This study aims to conduct an umbrella review to understand the prevailing perspectives and to identify the proposed paths toward fashion, sustainability, and a decolonial ...
Patrícia Muniz dos Santos Silva   +1 more
wiley   +1 more source

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