Revealing the impact of local access-site complications and upper extremity dysfunction post transradial percutaneous coronary procedures

Objectives Little is known about local access-site complications and upper extremity dysfunction after transradial percutaneous coronary procedures (TR-PCP). This systematic review study aimed to summarise the current knowledge on the incidences of access-site complications and upper extremity dysfunction after TR-PCP. Methods Two independent, trained investigators searched MEDLINE, EMBASE and CENTRAL for eligible studies published before 1 January 2015. Also, they hand-searched the conference proceedings of the annual scientific sessions of the American College of Cardiology, the American Heart Association, European Society of Cardiology, and the Trans-catheter Cardiovascular Therapeutics. Inclusion criteria were cohort studies and clinical trials discussing the incidence of access-site complications and upper extremity function after transradial percutaneous coronary intervention (TR-PCI) and/or transradial coronary angiography (TR-CAG) as endpoints. Results 176 articles described access-site complications. The incidence is up to 9.6 %. Fourteen articles described upper extremity dysfunction, with an incidence of up to 1.7 %. Upper extremity dysfunction was rarely investigated, hardly ever as primary endpoint, and if investigated not thoroughly enough. Conclusion Upper extremity dysfunction in TR-PCP has never been properly investigated and is therefore underestimated. Further studies are needed to investigate the magnitude, prevention and best treatment of upper extremity dysfunction. Optimising TR-PCP might be achieved by using slender techniques, detection of upper extremity dysfunction and early referral to a hand rehabilitation centre

RED experiment: an assessment of boundary layer effects in a trade winds regime on microwave and infrared propagation over the sea, The

Includes bibliographical references (pages 1364-1365).The Rough Evaporation Duct experiment aimed to see if the effects of ocean waves account for errors in modeling the ranges at which radar and infrared can detect low-flying targets

Pseudo-tumoural aneurysm in the third ventricle: Report of three cases

3 cases of giant sacciform aneurysm developed in the third ventricle are reported. They were observed in patients over 50 years. Clinical symptomatology evoked a tumor rather than a vascular malformation. Diagnosis can be difficult even with angiography and CTscan performed conjointly when the giant aneurysm is completely thrombosed. The size of the lesion is not a matter of age since 10% at least of these giant aneurysms are observed in children. They are mainly seen along the large arteries at the neck or at the base of the brain; the high focal pressure of the blood flow at these levels can perhaps play a role in the usual site of these lesions. Surgical treatment remains a challenge when the aneurysm is burrowed deep into the third ventricle and when being thrombosed, it is mainly symptomatic by its mass. © 1979 Springer-Verlag.SCOPUS: ar.jinfo:eu-repo/semantics/publishe

Integration of vulnerable road users in cooperative ITS systems

Introduction: This paper describes the development of an architecture for the integration of Vulnerable Road Users (VRUs), i.e. pedestrians, cyclists and powered two-wheelers (PTWs) in Cooperative ITS (C-ITS) systems, and the requirements for VRU devices. Methods: This paper starts with a literature overview on research related to safety applications using communication between vehicle and VRU, and an analysis of the different use cases for C-ITS for VRUs. An architecture is developed, starting from an architecture of C-ITS systems and incorporating the different alternative configuration for VRUs. Starting from the architecture and the use cases, the requirements for VRU devices are defined. Finally, a roadmap regarding C-ITS applications for VRUs is developed. Results: C-ITS technologies allow to communicate with low latency in highly dynamic environments. C-ITS will be integrated in vehicles and can also become available for VRUs, either as an application on a smartphone or as a dedicated device, which can be integrated in the VRU’s vehicle. Two levels of use cases can be identified: awareness of the presence of VRUs near potentially dangerous situations, and collision risk warning, based on trajectories of the road users. A roadmap was developed aligned with the roadmap of the automotive industry. Conclusions: Awareness related use cases are relatively close to the market, as they do not put stringent requirements to the (localization) sensors at infrastructure or vehicles. For the collision risk warning use case, the technical requirements for VRU devices towards sensor accuracy and calculation capabilities are challenging. Other challenges are power consumption, context sensitivity, channel congestion, privacy and security of messages. Standardisation of the messages exchanged between VRUs and other road users and infrastructure is a key issue. © 2017, The Author(s)

The effect of the mould material selection and production methodology on the thermal behaviour and tribology of injection moulds

The selection of the optimal mould material and production methodology is an underestimated aspect during the design of injection moulds, specially when hybrid moulds are used. Hybrid moulds are moulds where conventional manufacturing techniques such as milling are combined with Rapid Tooling techniques like Selective Laser Sintering. This paper presents the results of several ongoing research projects about the influence of conventional and hybrid mould materials related to the thermal behaviour and tribology of injection moulds