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Uncommon presentation of a rare tumour - incidental finding in an asymptomatic patient: case report and comprehensive review of the literature on intrapericardial solitary fibrous tumours.
BMC Cancer
September 2017
Heart and Vascular Center, Semmelweis University, 68 Varosmajor St, Budapest, H-1122, Hungary.
Background: A solitary fibrous tumour is a rare, mainly benign spindle cell mesenchymal tumour most commonly originating from the pleura. An intrapericardial location of a solitary fibrous tumour is extremely unusual. We present a case of an asymptomatic patient with a slow-growing massive benign cardiac solitary fibrous tumour.
View Article and Find Full Text PDFFourier modeling of porcine heartbeat and respiration in vivo for synchronization of HeartLander robot locomotion.
Annu Int Conf IEEE Eng Med Biol Soc
August 2012
Robotics Institute, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
HeartLander is a small mobile robot which adheres to and navigates over the surface of the heart to provide therapies in a minimally invasive manner. HeartLander's ability to efficiently operate in this dynamic environment is greatly affected by physiological motion, namely the cardiac and respiration cycles. Synchronization of robot motion with minimal intrapericardial pressure results in safer and more efficient travel.
View Article and Find Full Text PDFSynchronization of epicardial crawling robot with heartbeat and respiration for improved safety and efficiency of locomotion.
Int J Med Robot
March 2012
The Robotics Institute, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
Background: HeartLander is a miniature mobile robot designed to navigate over the epicardium of the beating heart for minimally invasive therapy. This paper presents a technique to decrease slippage and improve locomotion efficiency by synchronizing the locomotion with the intrapericardial pressure variations of the respiration and heartbeat cycles.
Methods: Respiratory and heartbeat phases were detected in real time using a chest-mounted accelerometer during locomotion in a porcine model in vivo.
Patients with bullets in the pericardial sac without myocardial injuries are rare, and most commonly are associated with significant trauma. The diagnosis of an intrapericardial foreign body can be difficult. Its removal is always indicated because it prevents pericarditis, either sterile or infectious, with potential for other significant complications.
View Article and Find Full Text PDFLong-term pericardial catheterization is associated with minimum foreign-body response.
Catheter Cardiovasc Interv
August 2007
Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, and Department of Pathology, Brigham and Women's Hospital 02115, USA.
Objectives: The goals of this study were to assess the feasibility and to characterize the foreign-body response of a long-term catheter in the pericardium.
Background: Long-term access to the normal pericardial space provides opportunities for diagnostic sampling and therapeutic intervention.
Methods: After thoracotomy, in 7 anesthetized canines, the pericardium was opened and a 5 French silicone vascular access catheter was advanced 10 cm into the pericardial sac toward the apex of the heart.
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