Objective To assess the efficiency and safety of pulsatile catheter (PUCA) pump support during acute ischemic heart failure in sheep. Methods After heart failure model was induced successfully in 10 sheep, PUCA pump was inserted through aorta and the aortic valve orifice with its tip located in the left ventricle. It was then activated to support the hemodynamics for 3 hours. Hemodynamic parameters were monitored and recorded before thoracotomy, heart failure, and every 60 min after the support. Platelet and plasma free hemoglobin were tested during the experiment. Thrombosis in kidney, membrane-pump, and catheter were examined at the end of study. Results PUCA pump support was successful in 7 sheep for 3 hours and failed in 3 due to technical problems. During support with the PUCA pump, mean arterial pressure(MAP), systolic blood pressure (SBP) and diastolic blood pressure(DBP) increased gradually and close to the baseline at the end of experiment. No significant change in platelet and plasma free hemoglobin were found during the whole period of the PUCA pump support. No thrombosis was found as well by means of examining kidney, membrane-pump and catheter. Conclusions PUCA pump can successfully maintain the hemodynamics in a sheep acute heart failure model associated with few blood destruction and thrombosis. It is thus suitable for clinical application to heart failure patients for the maintenance of hemodynamics.
With the trend of the development of "Internet +", some further requirements for the mobility of medical images have been required in the medical field. In view of this demand, this paper presents a web-based visual medical imaging platform. First, the feasibility of medical imaging is analyzed and technical points. CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) images are reconstructed three-dimensionally by MeVisLab and packaged as X3D (Extensible 3D Graphics) files shown in the present paper. Then, the B/S (Browser/Server) system specially designed for 3D image is designed by using the HTML 5 and WebGL rendering engine library, and the X3D image file is parsed and rendered by the system. The results of this study showed that the platform was suitable for multiple operating systems to realize the platform-crossing and mobilization of medical image data. The development of medical imaging platform is also pointed out in this paper. It notes that web application technology will not only promote the sharing of medical image data, but also facilitate image-based medical remote consultations and distance learning.
In recent years, day surgery has developed rapidly in China. Day surgery management has shifted from extensive to refined, but there are still many problems in the service system of day surgery in Chinese hospitals. In order to further optimize the allocation of medical resources, improve the level of medical service capacity, and build a “patient-centered, safe, efficient, and orderly” day surgery service system, Northern Jiangsu People’s Hospital has integrated big data, mobile internet, and artificial intelligence since 2019, creating a smart information big data platform. This paper summarizes the experience of Northern Jiangsu People’s Hospital in promoting the high-quality development of day surgery services in the whole hospital from five aspects of top-level design, diagnostic and therapeutic process, medical quality and safety, medical supporting services, and supervision mechanism, with a view to providing reference for the implementation of overall management of day surgery in the hospital.