Key result
Combined cinefluoroscopy and 3D TEE provides distinctive markers to identify mechanical prosthetic heart valves.
Why the study?
Identification of mechanical prosthetic heart valve models is difficult when patients lack reliable information, and data on echocardiographic identification markers are lacking.
Can a combination of cinefluoroscopy and echocardiography accurately identify the type and brand of mechanical prosthetic heart valves?
Can a combination of cinefluoroscopy and echocardiography accurately identify the type and brand of mechanical prosthetic heart valves?
A combination of cinefluoroscopy and echocardiography, particularly real-time 3D TEE, provides distinctive markers for identifying mechanical prosthetic heart valve models when patient records are unavailable.
Answers are grounded in this paper and cite their sources.
Combined imaging aids mechanical valve identification when records are missing; leaves open need for standardized protocols and prospective validation.
The past 65 years have witnessed remarkable progress in the development of safe, hemodynamically favorable mechanical heart valves. Today, there are a large number and variety of prostheses in use and many prostheses have been used for a while and then discontinued. When patients lack reliable information about their heart valve prostheses, identification of valve model becomes difficult even for specialized physicians in this area. A combination of cinefluoroscopy and echocardiography makes it possible to provide accurate and detailed information regarding identification of prosthetic valve models. Fluoroscopic examination is a useful technique to evaluate patients following mechanical heart valve replacement. However, transthoracic echocardiography and transesophageal echocardiography have almost replaced cinefluoroscopy in the evaluation of prosthetic heart valves. Especially, real-time three-dimensional transesophageal echocardiography provides distinctive images of prosthetic heart valves, particularly for those in the mitral position. A large body of literature has been published to familiarize physicians with the radiological appearance of numerous mechanical prostheses. However, there is a lack of data regarding the identification of prosthetic valve models based on echocardiographic appearance. In this review, we aimed to describe distinctive echocardiographic and cinefluoroscopic markers for identifying the type and brand of several commonly used mechanical prosthetic heart valves.
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Kalçık et al. (2019) conducted a review in Mechanical heart valve replacement. Cinefluoroscopy and echocardiography was evaluated on Identification of prosthetic valve models. A combination of cinefluoroscopy and echocardiography, particularly real-time 3D transesophageal echocardiography, provides distinctive markers for identifying mechanical prosthetic heart valves.
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