The pericardiocentesis procedure is common, often performed via the subxiphoid approach, although other transthoracic approaches have been described. This short communication describes an off-plane technique ultrasound-guided pericardiocentesis using an anterior approach, performed using a linear transducer and guided in real-time by ultrasound, offering the advantage of continuous needle tracking to reduce complications associated with this approach such as pneumothorax, inadvertent cardiac puncture, and injury to the left internal mammary artery (LIMA).
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http://dx.doi.org/10.1186/s13089-024-00383-4 | DOI Listing |
Rev Sci Instrum
December 2024
Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia.
High purity silicon is considered as the test mass material for future cryogenic gravitational-wave detectors, in particular Einstein Telescope-low frequency and LIGO Voyager [(LIGO) Laser Interferometer Gravitational-Wave Observatory]. To reduce the thermal noise of the test masses, it is necessary to study the sources of corresponding losses. Mechanical resonators with frequencies 300 Hz-6 kHz are successfully used for studying, for example, losses in optical coatings of the test mass.
View Article and Find Full Text PDFCardiovasc Intervent Radiol
November 2024
Department of Diagnostic and Interventional Radiology, Marburg University Hospital, Philipps University Marburg, 35043, Marburg, Germany.
Purpose: The study aims to show how the "Puncture Cube" (PC) (Medical Templates, Egg, Switzerland) compares to the freehand method (FHM) for CT-guided punctures.
Methods: The PC is a patient-mounted disassemblable cube consisting of an upper and lower template with multiple holes each to predefine puncture trajectory. A total of 80 punctures (FHM in-plane, FHM off-plane, PC in-plane, PC off-plane) was performed by 4 radiologists on a target 9.
Ultrasound J
June 2024
Cirugía Cardiovascular, Hospital Universitario Mayor-Méderi, Bogotá, Colombia.
Rev Sci Instrum
May 2024
Department of Mechanical Engineering, University of Memphis, Memphis, Tennessee 38152, USA.
We report a Bidirectional Electrode Control Arm Assembly (BECAA) for precisely manipulating dust clouds levitated above the powered electrode in RF plasmas. The reported techniques allow the creation of perfectly 2D dust layers by eliminating off-plane particles by moving the electrode from outside the plasma chamber without altering the plasma conditions. The tilting and moving of electrodes using BECAA also allows the precise and repeatable elimination of dust particles one by one to achieve any desired number of grains N without trial and error.
View Article and Find Full Text PDFPhys Med Biol
March 2024
Innovative Technology Laboratory, FUJIFILM Healthcare Corporation, Tokyo, Japan.
. Photoacoustic emitters on the tip of a therapeutic device have been intensively studied for echo-guided intervention purposes. In this study, a novel method for localizing the guidewire tip emitter in the elevation direction using a 1D array probe is proposed to resolve the issue of the tip potentially deviating from the ultrasound-imaged plane.
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