Conocimiento y actitud de los dentistas generales españoles frente a lesiones de la mucosa oral / Vicente Jornet García; directores, María Pía López Jornet, Antonio Velandrino Nicolás, Yolanda Martínez Beneyto.

Tesis-Universidad de Murcia.Consulte la tesis en: BCA. GENERAL. ARCHIVO UNIVERSITARIO. T.M. 3584

Conservación de la biodiversidad y uso de las plantas cultivadas en huertos caseros de algunas áreas rurales de Cuba

Con el objetivo de evaluar las potencialidades de los huertos caseros en la conservación in situ de los recursos genéticos de plantas cultivadas se visitaron 107 huertos caseros, y de ellos se seleccionaron 39 (13-12-14 respectivamente en cada región de Cuba en estudio: occidental, central y oriental). Se observaron en total 508 especies de plantas bajo cultivo con diferentes propósitos de uso, las que pertenecen a 352 géneros y 108 familias. Las regiones occidental y central poseen un mayor número de especies comunes al ser comparadas con la región oriental, mientras que el porcentaje más alto de especies que se encuentra solo en una de las áreas de estudio correspondió a la región central. En general las plantas con uso medicinal ocupan una posición importante dentro de los huertos caseros cubanos, también las especies de frutales, de acuerdo al número de especies observadas. El estudio de las especies claves (Pouteria sapota, Phaseolus lunatus y Capsicum spp.) reveló la existencia de una considerable variabilidad infraespecífica a lo largo de la Isla, manifestándose la necesidad de complementar los mecanismos de conservación in situ y ex situ. Con la integración de la información socioeconómica, cultural, geográfica y de diversidad útil obtenida se proponen tres áreas efectivas de conservación in situ de recursos fitogenéticos.In order to evaluate the role of home gardens in the in situ conservation of genetic resources of cultivated plants, a total of 107 home gardens were visited, and 39 of them were selected (13-12-14 home gardens from the Cuban western, central and eastern regions, respectively) for the study. The inventory of plants showed the presence of 508 species under cultivation for different purposes, belonging to 352 genera and 108 families. Western and central regions have more common species than the eastern region, while the central region had the highest percentage of species that were present only in one of the studied areas. Medicinal plants also occupy an important place in Cuban home gardens, followed by fruit trees, according to the number of species observed. The study of the key species (Pouteria sapota, Phaseolus lunatus and Capsicum spp.) revealed the existence of considerable infraspecific diversity throughout the Island, demonstrating the necessity of the complementary in situ and ex situ conservation mechanisms. With the integration of the socio-economic, cultural and geographic information, and the details of the useful diversity obtained three areas of in situ conservation have been proposed

Implementing stakeholder engagement to explore alternative models of consent: An example from the PREP-IT trials

Introduction: Cluster randomized crossover trials are often faced with a dilemma when selecting an optimal model of consent, as the traditional model of obtaining informed consent from participant's before initiating any trial related activities may not be suitable. We describe our experience of engaging patient advisors to identify an optimal model of consent for the PREP-IT trials. This paper also examines surrogate measures of success for the selected model of consent. Methods: The PREP-IT program consists of two multi-center cluster randomized crossover trials that engaged patient advisors to determine an optimal model of consent. Patient advisors and stakeholders met regularly and reached consensus on decisions related to the trial design including the model for consent. Patient advisors provided valuable insight on how key decisions on trial design and conduct would be received by participants and the impact these decisions will have. Results: Patient advisors, together with stakeholders, reviewed the pros and cons and the requirements for the traditional model of consent, deferred consent, and waiver of consent. Collectively, they agreed upon a deferred consent model, in which patients may be approached for consent after their fracture surgery and prior to data collection. The consent rate in PREP-IT is 80.7%, and 0.67% of participants have withdrawn consent for participation. Discussion: Involvement of patient advisors in the development of an optimal model of consent has been successful. Engagement of patient advisors is recommended for other large trials where the traditional model of consent may not be optimal