Raúl Guzman Quirós

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Indoor RTLS (Real Time Location Systems) are the foundations of promising context-aware and ambient intelligent services. In this work the feasibility of applying Active RFID and neural networks to develop a RTLS service is discussed. In most of the Active RFID systems available on the market, the Readers can measure the Received Signal Strengh (RSS) from a(More)
BACKGROUND Prealbumin is a maker of nutritional status and inflammation of potential prognostic value in acute heart failure (HF). The aim of this study is to evaluate if low prealbumin levels on admission predict mortality and readmissions in patients with acute HF. METHOD We conducted a prospective observational cohort study including 442 patients(More)
BACKGROUND The Minnesota Living with Heart Failure Questionnaire (MLHFQ) is one of the most widely used health-related quality of life questionnaires for patients with heart failure (HF). It provides scores for two dimensions, physical and emotional, and a total score. However, there are some concerns about its factor structure and alternatives have been(More)
Resumen-. Los sistemas de localización en interiores son la base de prometedores servicios telemáticos conscientes del contexto y entorno y se requiere un control de la posición con un error acotado. La medida de potencia de la señal recibida se puede usar como métrica para determinar la posición a partir de un algoritmo de localización. Se requiere hacer(More)
AIMS To create and validate a clinical prediction rule which is easy to manage, reproducible and that allows classifying patients admitted for heart failure according to their one-year mortality risk. METHODS A prospective cohort study carried out with 2565 consecutive patients admitted with heart failure in 13 hospitals in Spain. The derivation cohort(More)
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