Research publications
Browse through all publications from the Institute of Global Health Innovation, which our Patient Safety Research Collaboration is part of. This feed includes reports and research papers from our Centre.
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Journal articleKhanbhai MHF, Flott KM, Darzi A, et al., 2019,
Evaluating digital maturity and patient acceptability of real-time patient experience feedback systems: a systematic review
, Journal of Medical Internet Research, Vol: 21, ISSN: 1438-8871Background:One of the essential elements of a strategic approach to improving patients’ experience is to measure and report on patients’ experiences in real time. Real-time feedback (RTF) is increasingly being collected using digital technology; however, there are several factors that may influence the success of the digital system.Objective:The aim of this review was to evaluate the digital maturity and patient acceptability of real-time patient experience feedback systems.Methods:We systematically searched the following databases to identify papers that used digital systems to collect RTF: The Cochrane Library, Global Health, Health Management Information Consortium, Medical Literature Analysis and Retrieval System Online, EMBASE, PsycINFO, Web of Science, and CINAHL. In addition, Google Scholar and gray literature were utilized. Studies were assessed on their digital maturity using a Digital Maturity Framework on the basis of the following 4 domains: capacity/resource, usage, interoperability, and impact. A total score of 4 indicated the highest level of digital maturity.Results:RTF was collected primarily using touchscreens, tablets, and Web-based platforms. Implementation of digital systems showed acceptable response rates and generally positive views from patients and staff. Patient demographics according to RTF responses varied. An overrepresentation existed in females with a white predominance and in patients aged ≥65 years. Of 13 eligible studies, none had digital systems that were deemed to be of the highest level of maturity. Three studies received a score of 3, 2, and 1, respectively. Four studies scored 0 points. While 7 studies demonstrated capacity/resource, 8 demonstrated impact. None of the studies demonstrated interoperability in their digital systems.Conclusions:Patients and staff alike are willing to engage in RTF delivered using digital technology, thereby disrupting previous paper-based feedback. However, a lack of emphasis on di
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Conference paperWang M-Y, Kogkas AA, Darzi A, et al., 2019,
Free-view, 3D gaze-guided, assistive robotic system for activities of daily living
, 25th IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Publisher: IEEE, Pages: 2355-2361, ISSN: 2153-0858Patients suffering from quadriplegia have limited body motion which prevents them from performing daily activities. We have developed an assistive robotic system with an intuitive free-view gaze interface. The user's point of regard is estimated in 3D space while allowing free head movement and is combined with object recognition and trajectory planning. This framework allows the user to interact with objects using fixations. Two operational modes have been implemented to cater for different eventualities. The automatic mode performs a pre-defined task associated with a gaze-selected object, while the manual mode allows gaze control of the robot's end-effector position on the user's frame of reference. User studies reported effortless operation in automatic mode. A manual pick and place task achieved a success rate of 100% on the users' first attempt.
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Conference paperVrielink TJCO, Puyal JG-B, Kogkas A, et al., 2019,
Intuitive gaze-control of a robotized flexible endoscope
, 25th IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Publisher: IEEE, Pages: 1776-1782, ISSN: 2153-0858Flexible endoscopy is a routinely performed procedure that has predominantly remained unchanged for decades despite its many challenges. This paper introduces a novel, more intuitive and ergonomic platform that can be used with any flexible endoscope, allowing easier navigation and manipulation. A standard endoscope is robotized and a gaze control system based on eye-tracking is developed and implemented, allowing hands-free manipulation. The system characteristics and step response has been evaluated using visual servoing. Further, the robotized system has been compared with a manually controlled endoscope during a user study. The users (n=11) showed a preference for the gaze controlled endoscope and a lower task load when the task was performed with the gaze control. In addition, gaze control was related to a higher success rate and a lower time to perform the task. The results presented validate the system's technical performance and demonstrate the intuitiveness of hands-free gaze control in flexible endoscopy.
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Journal articleJoshi M, Ashrafian H, Aufegger L, et al., 2019,
Wearable sensors to improve detection of patient deterioration
, Expert Review of Medical Devices, Vol: 16, Pages: 145-154, ISSN: 1743-4440INTRODUCTION: Monitoring a patient's vital signs forms a basic component of care, enabling the identification of deteriorating patients and increasing the likelihood of improving patient outcomes. Several paper-based track and trigger warning scores have been developed to allow clinical evaluation of a patient and guidance on escalation protocols and frequency of monitoring. However, evidence suggests that patient deterioration on hospital wards is still missed, and that patients are still falling through the safety net. Wearable sensor technology is currently undergoing huge growth, and the development of new light-weight wireless wearable sensors has enabled multiple vital signs monitoring of ward patients continuously and in real time. Areas covered: In this paper, we aim to closely examine the benefits of wearable monitoring applications that measure multiple vital signs; in the context of improving healthcare and delivery. A review of the literature was performed. Expert commentary: Findings suggest that several sensor designs are available with the potential to improve patient safety for both hospital patients and those at home. Larger clinical trials are required to ensure both diagnostic accuracy and usability.
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Conference paperLeiloglou M, Chalau V, Kedrzycki M, et al., 2019,
Snapshot Fluorescence Hyperspectral System for Breast Cancer Surgery Guidance
, Hamlyn Symposium Advanced Biophotonics Workshop -
Conference paperLeiloglou M, Chalau V, Kedrzycki M, et al., 2019,
Fluorescence Intensity Image Guided Breast Conserving Surgery (BCS).
, European Molecular Imaging Meeting -
Conference paperZhao M, Oude Vrielink J, Kogkas A, et al., 2019,
Prototype Designs of a Cable-driven Parallel Robot for Transoral Laser Surgery
, Hamlyn Symposium on Medical Robotics -
Conference paperAchanccaray D, Mylonas G, Andreu-Perez J, 2019,
An Implicit Brain Computer Interface Supported by Gaze Monitoring for Virtual Therapy
, IEEE International Conference on Systems, Man and Cybernetics (SMC), Publisher: IEEE, Pages: 2829-2832, ISSN: 1062-922X -
Book chapterKogkas A, Ezzat A, Thakkar R, et al., 2019,
Free-View, 3D Gaze-Guided Robotic Scrub Nurse
, Editors: Shen, Liu, Peters, Staib, Essert, Zhou, Yap, Khan, Publisher: SPRINGER INTERNATIONAL PUBLISHING AG, Pages: 164-172, ISBN: 978-3-030-32253-3- Author Web Link
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Conference paperKassanos P, Seichepine F, Wales D, et al., 2019,
Towards a Flexible/Stretchable Multiparametric Sensing Device for Surgical and Wearable Applications
, IEEE Biomedical Circuits and Systems Conference (BioCAS), Publisher: IEEE, ISSN: 2163-4025
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