Miguel Hernando

Dr. Miguel Hernando

Universidad Politecnica de Madrid (UPM)
+1
orcid

Research Focus & Metrics

Academic Career Length

28Years (1999-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 January 2010 in Diabetes Technology & Therapeutics
Verified
Journal Article
Closed access
CPCarmen Pérez-Gandía
Carmen Pérez-Gandía
AFA. Facchinetti
A. Facchinetti
GSG. Sparacino
G. Sparacino
CCC. Cobelli
C. Cobelli
EAEnrique J. Gómez Aguilera
Enrique J. Gómez Aguilera
MHM.E. Hernando
M.E. Hernando
Background and Aims: Continuous glucose monitoring (CGM) devices could be useful for real-time management of diabetes therapy. In particular, CGM information could be used in real time to predict future glucose levels in order to prevent hypo-/hyperglycemic events. This article proposes a new online method for predicting future glucose concentration levels from CGM data. Methods: The predictor is implemented with an artificial neural network model (NNM). The inputs of the NNM are the values provided by the CGM sensor during the preceding 20 min, while the output is the prediction of glucose concentration at the chosen prediction horizon (PH) time. The method performance is assessed using datasets from two different CGM systems (nine subjects using the Medtronic [Northridge, CA] Guardian® and six subjects using the Abbott [Abbott Park, IL] Navigator®). Three different PHs are used: 15, 30, and 45 min. The NNM accuracy has been estimated by using the root mean square error (RMSE) and prediction delay. Results: The RMSE is around 10, 18, and 27 mg/dL for 15, 30, and 45 min of PH, respectively. The prediction delay is around 4, 9, and 14 min for upward trends and 5, 15, and 26 min for downward trends, respectively. A comparison with a previously published technique, based on an autoregressive model (ARM), has been performed. The comparison shows that the proposed NNM is more accurate than the ARM, with no significant deterioration in the prediction delay. Conclusions: The proposed NNM is a reliable solution for the online prediction of future glucose concentrations from CGM data.

9 December 2017 in Sensors
Verified
Journal Article
Open access
PDF file
KMKoldo Imanol De Miguel
Koldo Imanol De Miguel
Alberto BruneteAlberto Brunete
Alberto Brunete
Miguel HernandoMiguel Hernando
Miguel Hernando
Ernesto GambaoErnesto Gambao
Ernesto Gambao
Falls are the leading cause of injury and death in elderly individuals. Unfortunately, fall detectors are typically based on wearable devices, and the elderly often forget to wear them. In addition, fall detectors based on artificial vision are not yet available on the market. In this paper, we present a new low-cost fall detector for smart homes based on artificial vision algorithms. Our detector combines several algorithms (background subtraction, Kalman filtering and optical flow) as input to a machine learning algorithm with high detection accuracy. Tests conducted on over 50 different fall videos have shown a detection ratio of greater than 96%.

1 June 2017 in International Journal of Medical Informatics
Verified
Journal Article
Open access
ECEstefanía Caballero-Ruiz
Estefanía Caballero-Ruiz
GGGema García-Sáez
Gema García-Sáez
MRMercedes Rigla
Mercedes Rigla
MVMaría Villaplana
María Villaplana
BPBelen Pons
Belen Pons
MHM. Elena Hernando
M. Elena Hernando
The growth of diabetes prevalence is causing an increasing demand in health care services which affects the clinicians' workload as medical resources do not grow at the same rate as the diabetic population. Decision support tools can help clinicians with the inspection of monitoring data, providing a preliminary analysis to ease their interpretation and reduce the evaluation time per patient. This paper presents Sinedie, a clinical decision support system designed to manage the treatment of patients with gestational diabetes. Sinedie aims to improve access to specialized healthcare assistance, to prevent patients from unnecessary displacements, to reduce the evaluation time per patient and to avoid gestational diabetes adverse outcomes. A web-based telemedicine platform was designed to remotely evaluate patients allowing them to upload their glycaemia data at home directly from their glucose meter, as well as report other monitoring variables like ketonuria and compliance to dietary treatment. Glycaemia values, not tagged by patients, are automatically labelled with their associated meal by a classifier based on the Expectation Maximization clustering algorithm and a C4.5 decision tree learning algorithm. Two finite automata are combined to determine the patient's metabolic condition, which is analysed by a rule-based knowledge base to generate therapy adjustment recommendations. Diet recommendations are automatically prescribed and notified to the patients, whereas recommendations about insulin requirements are notified also to the physicians, who will decide if insulin needs to be prescribed. The system provides clinicians with a view where patients are prioritized according to their metabolic condition. A randomized controlled clinical trial was designed to evaluate the effectiveness and safety of Sinedie interventions versus standard care and its impact in the professionals' workload in terms of the clinician's time required per patient; number of face-to-face visits; frequency and duration of telematics reviews; patients' compliance to self-monitoring; and patients' satisfaction. Sinedie was clinically evaluated at "Parc Tauli University Hospital" in Spain during 17 months with the participation of 90 patients with gestational diabetes. Sinedie detected all situations that required a therapy adjustment and all the generated recommendations were safe. The time devoted by clinicians to patients' evaluation was reduced by 27.389% and face-to-face visits per patient were reduced by 88.556%. Patients reported to be highly satisfied with the system, considering it useful and trusting in being well controlled. There was no monitoring loss and, in average, patients measured their glycaemia 3.890 times per day and sent their monitoring data every 3.477days. Sinedie generates safe advice about therapy adjustments, reduces the clinicians' workload and helps physicians to identify which patients need a more urgent or more exhaustive examination and those who present good metabolic control. Additionally, Sinedie saves patients unnecessary displacements which contributes to medical centres' waiting list reduction.

1 August 2002 in Computer Methods and Programs in Biomedicine
Verified
Journal Article
Closed access
EAEnrique J. Gómez Aguilera
Enrique J. Gómez Aguilera
MHM.E Hernando
M.E Hernando
AGA Garcı́a
A Garcı́a
FPF Del Pozo
F Del Pozo
JCJ Cermeño
J Cermeño
ALA De Leiva
A De Leiva

1 May 2017 in International Journal of Advanced Robotic Systems
Verified
Journal Article
Open access
Alberto BruneteAlberto Brunete
Alberto Brunete
ARAvinash Ranganath
Avinash Ranganath
SSSergio Segovia
Sergio Segovia
JFJavier Perez de Frutos
Javier Perez de Frutos
Miguel HernandoMiguel Hernando
Miguel Hernando
Ernesto GambaoErnesto Gambao
Ernesto Gambao
This article presents a review on trends in modular reconfigurable robots, comparing the evolution of the features of the most significant robots over the years and focusing on the latest designs. These features are reconfiguration, docking, degrees of freedom, locomotion, control, communications, size, and powering. For each feature, some of the most relevant designs are presented and the current trends in the design are discussed.

25 May 2017 in Journal of Diabetes Science and Technology
Verified
Journal Article
Open access
MRMercedes Rigla
Mercedes Rigla
GGGema García-Sáez
Gema García-Sáez
BPBelén Pons
Belén Pons
MHMaria Elena Hernando
Maria Elena Hernando
In the past decade diabetes management has been transformed by the addition of continuous glucose monitoring and insulin pump data. More recently, a wide variety of functions and physiologic variables, such as heart rate, hours of sleep, number of steps walked and movement, have been available through wristbands or watches. New data, hydration, geolocation, and barometric pressure, among others, will be incorporated in the future. All these parameters, when analyzed, can be helpful for patients and doctors’ decision support. Similar new scenarios have appeared in most medical fields, in such a way that in recent years, there has been an increased interest in the development and application of the methods of artificial intelligence (AI) to decision support and knowledge acquisition. Multidisciplinary research teams integrated by computer engineers and doctors are more and more frequent, mirroring the need of cooperation in this new topic. AI, as a science, can be defined as the ability to make computers do things that would require intelligence if done by humans. Increasingly, diabetes-related journals have been incorporating publications focused on AI tools applied to diabetes. In summary, diabetes management scenarios have suffered a deep transformation that forces diabetologists to incorporate skills from new areas. This recently needed knowledge includes AI tools, which have become part of the diabetes health care. The aim of this article is to explain in an easy and plane way the most used AI methodologies to promote the implication of health care providers—doctors and nurses—in this field.