65 research outputs found

    Qualitative assessment of the degree of knowledge that obese patients of their disease and the perception of it

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    La obesidad es una enfermedad crónica, multifactorial, inflamatoria, poligénica caracterizada por un exceso del porcentaje de grasa corporal que pone al individuo en una situación de riesgo de padecer enfer-medades cardiovasculares, alteraciones metabólicas, y alteraciones psicopatológicas. Es abalado por la litera-tura la importancia de la percepción del estado de sa-lud, el reconocimiento de la obesidad como diagnóstico de enfermedad y la promoción de la educación de esta patología. Esto genera la motivación y el desarrollo de nuevas capacidades de autocuidado necesarias para la adherencia al tratamiento y un cambio de conducta. Objetivos: el objetivo primario de este estudio es esta-blecer el porcentaje de pacientes obesos internados en el Hospital Central de Mendoza y determinar la concor-dancia entre su estado nutricional y la propia percepción del peso. Como objetivo secundario se planteó determi-nar el grado de conocimiento que tienen los pacientes con obesidad de esta enfermedad: etiología, complica-ciones asociadas y tratamiento

    Planning and control of autonomous mobile robots for intralogistics: Literature review and research agenda

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    Autonomous mobile robots (AMR) are currently being introduced in many intralogistics operations, like manufacturing, warehousing, cross-docks, terminals, and hospitals. Their advanced hardware and control software allow autonomous operations in dynamic environments. Compared to an automated guided vehicle (AGV) system in which a central unit takes control of scheduling, routing, and dispatching decisions for all AGVs, AMRs can communicate and negotiate independently with other resources like machines and systems and thus decentralize the decision-making process. Decentralized decision-making allows the system to react dynamically to changes in the system state and environment. These developments have influenced the traditional methods and decision-making processes for planning and control. This study identifies and classifies research related to the planning and control of AMRs in intralogistics. We provide an extended literature review that highlights how AMR technological advances affect planning and control decisions. We contribute to the literature by introducing an AMR planning and control framework t

    Planning and control of autonomous mobile robots for intralogistics: Literature review and research agenda

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    Autonomous mobile robots (AMR) are currently being introduced in many intralogistics operations, like manufacturing, warehousing, cross-docks, terminals, and hospitals. Their advanced hardware and control software allow autonomous operations in dynamic environments. Compared to an automated guided vehicle (AGV) system in which a central unit takes control of scheduling, routing, and dispatching decisions for all AGVs, AMRs can communicate and negotiate independently with other resources like machines and systems and thus decentralize the decision-making process. Decentralized decision-making allows the system to react dynamically to changes in the system state and environment. These developments have influenced the traditional methods and decision-making processes for planning and control. This study identifies and classifies research related to the planning and control of AMRs in intralogistics. We provide an extended literature review that highlights how AMR technological advances affect planning and control decisions. We contribute to the literature by introducing an AMR planning and control framework to guide managers in the decision-making process, thereby supporting them to achieve optimal performance. Finally, we propose an agenda for future research within this field

    Experimental and numerical analysis of aluminum-aluminum bolted joints subject to an indentation process

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    The increasing interest of the industry (especially automotive, aviation and marine) in the fastener joints (riveted, bolted, etc.) between metallic materials, has re-opened the study on the possibility to improve the performance of the drilled structure using plastic deformation processes. Indentation process, performed before the drilling operation, creates circumferential compression stresses around the hole which increase significantly the mechanical performance of the drilled structures. In this paper, static and the fatigue performances of aluminum\u2013aluminum (AW 6082-T6) single-lap bolted joints are studied. In particular, the study compares the mechanical strength of only drilled single-lap bolted joints (OD specimens) and single-lap bolted joints subject to an indentation process (IP specimens). In order to determine the cycles to failure and the corresponding W\uf6hler diagram, several fatigue tests are performed. The analyses allow to determine the mechanical performance and the failure mode of the analyzed joints. Several numerical analysis, conducted in ANSYS environment on three-dimensional models of the single-lap joint, are focused on the evaluation of the residual stress on the indented plate and, in particular, to compare the stress distribution on both type of analyzed joints

    Response to Stanich et al.: Correspondence regarding-PTEN hamartoma tumor syndromes in childhood-Description of two cases and a proposal for follow-up protocol

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    The follow-up protocol, which we describe in this study can serve as a practical proposal for clinicians, and as a basis for future studies. We strongly urge the clinician to start an early surveillance of the gastrointestinal tract including regular endoscopy. The main management goals in PHTS patients are to detect colon cancer early, and to prevent polyp-related complications (bowel obstruction from intussusception). The presence of multiple nonmalignant polyps in patients with PTEN mutations may complicate noninvasive methods of colon evaluation [Tan et al., 2012]. In addition, there is a high variability in severity of polyps progression, and the malignant potential of these lesions is not well characterized. More frequent colonoscopy should be considered for patients with a heavy polyp burden [Tan et al., 2012]. Some patients may require more frequent endoscopy if they show an accelerated rate of polyps development [Septer et al., 2013]. It is clear that an appropriate surveillance plan is influenced by the patient's endoscopic and histologic findings, as well as the personal medical and family history features, and physical manifestations. Nevertheless, further prospective studies are needed to assess the timing and the appropriateness of colorectal cancer screening in these patients
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