Intracardiac echocardiography in humans using a small-sized (6F), low frequency (12.5 MHz) ultrasound catheter methods, imaging planes and clinical experience

Steven L. Schwartz, Linda D. Gillam, Andrew R. Weintraub, Brenda W. Sanzobrino, Jeffrey A. Hirst, Tsui Leih Hsu, John P. Fisher, Gerald Marx, David Fulton, Raymond G. McKay, Natesa G. Pandian

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Objectives. This study was designed to determine the clinical utility and feasibility of using 12.5-MHz ultrasound catheters for intracardiac echocardiography. Background. Intracardiac echocardiography is a potentially useful technique of cardiac imaging and monitoring in certain settings. The feasibility of intracardiac echocardiography using 20-MHz ultrasound catheters in patients has been demonstrated. High resolution images of normal cardiac structures as well as cardiac abnormalities have been obtained. However, imaging has been limited by the shallow depth of field inherent in high frequency ultrasound imaging. Methods. Intracardiac echocardiography with 12.5-MHz catheters was performed in eight mongrel dogs and 92 patients. Catheters were introduced percutaneously in 86 patients studied in the catheterization laboratory and directly into the heart in 12 patients in the operating room. Right heart imaging was performed in 68 patients and arterial and left heart imaging in 35 patients. Results. When these catheters were introduced into the venous system, the right atrium, tricuspid valve, right ventricle, pulmonary valve and pulmonary artery were visualized. Pericardial effusion, intracardiac masses and atrial septal defects were correctly identified. The left ventricle, left atrium, mitral valve, aortic valve, aorta and coronary arteries could be imaged from the arterial circulation. Diseases identified included valvular aortic stenosis, subvalvular aortic stenosis and Kawasaki disease. Average imaging time was 10 min. No complications occurred as a result of intracardiac echocardiography. Conclusions. Intracardiac echocardiography with 12.5-MHz ultrasound catheters is safe and feasible; it also provides anatomic and physiologic information. This feasibility study provides a foundation for wider clinical use of intracardiac echocardiography.

Original languageEnglish (US)
Pages (from-to)189-198
Number of pages10
JournalJournal of the American College of Cardiology
Volume21
Issue number1
DOIs
StatePublished - Jan 1993
Externally publishedYes

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Echocardiography
Catheters
Heart Atria
Heart Ventricles
Cardiac Imaging Techniques
Subvalvular Aortic Stenosis
Cardiac Catheters
Pulmonary Valve
Aortic Diseases
Mucocutaneous Lymph Node Syndrome
Tricuspid Valve
Pericardial Effusion
Atrial Heart Septal Defects
Aortic Valve Stenosis
Feasibility Studies
Operating Rooms
Aortic Valve
Mitral Valve
Catheterization
Pulmonary Artery

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

Schwartz, Steven L. ; Gillam, Linda D. ; Weintraub, Andrew R. ; Sanzobrino, Brenda W. ; Hirst, Jeffrey A. ; Hsu, Tsui Leih ; Fisher, John P. ; Marx, Gerald ; Fulton, David ; McKay, Raymond G. ; Pandian, Natesa G. / Intracardiac echocardiography in humans using a small-sized (6F), low frequency (12.5 MHz) ultrasound catheter methods, imaging planes and clinical experience. In: Journal of the American College of Cardiology. 1993 ; Vol. 21, No. 1. pp. 189-198.
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abstract = "Objectives. This study was designed to determine the clinical utility and feasibility of using 12.5-MHz ultrasound catheters for intracardiac echocardiography. Background. Intracardiac echocardiography is a potentially useful technique of cardiac imaging and monitoring in certain settings. The feasibility of intracardiac echocardiography using 20-MHz ultrasound catheters in patients has been demonstrated. High resolution images of normal cardiac structures as well as cardiac abnormalities have been obtained. However, imaging has been limited by the shallow depth of field inherent in high frequency ultrasound imaging. Methods. Intracardiac echocardiography with 12.5-MHz catheters was performed in eight mongrel dogs and 92 patients. Catheters were introduced percutaneously in 86 patients studied in the catheterization laboratory and directly into the heart in 12 patients in the operating room. Right heart imaging was performed in 68 patients and arterial and left heart imaging in 35 patients. Results. When these catheters were introduced into the venous system, the right atrium, tricuspid valve, right ventricle, pulmonary valve and pulmonary artery were visualized. Pericardial effusion, intracardiac masses and atrial septal defects were correctly identified. The left ventricle, left atrium, mitral valve, aortic valve, aorta and coronary arteries could be imaged from the arterial circulation. Diseases identified included valvular aortic stenosis, subvalvular aortic stenosis and Kawasaki disease. Average imaging time was 10 min. No complications occurred as a result of intracardiac echocardiography. Conclusions. Intracardiac echocardiography with 12.5-MHz ultrasound catheters is safe and feasible; it also provides anatomic and physiologic information. This feasibility study provides a foundation for wider clinical use of intracardiac echocardiography.",
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Intracardiac echocardiography in humans using a small-sized (6F), low frequency (12.5 MHz) ultrasound catheter methods, imaging planes and clinical experience. / Schwartz, Steven L.; Gillam, Linda D.; Weintraub, Andrew R.; Sanzobrino, Brenda W.; Hirst, Jeffrey A.; Hsu, Tsui Leih; Fisher, John P.; Marx, Gerald; Fulton, David; McKay, Raymond G.; Pandian, Natesa G.

In: Journal of the American College of Cardiology, Vol. 21, No. 1, 01.1993, p. 189-198.

Research output: Contribution to journalArticle

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T1 - Intracardiac echocardiography in humans using a small-sized (6F), low frequency (12.5 MHz) ultrasound catheter methods, imaging planes and clinical experience

AU - Schwartz, Steven L.

AU - Gillam, Linda D.

AU - Weintraub, Andrew R.

AU - Sanzobrino, Brenda W.

AU - Hirst, Jeffrey A.

AU - Hsu, Tsui Leih

AU - Fisher, John P.

AU - Marx, Gerald

AU - Fulton, David

AU - McKay, Raymond G.

AU - Pandian, Natesa G.

PY - 1993/1

Y1 - 1993/1

N2 - Objectives. This study was designed to determine the clinical utility and feasibility of using 12.5-MHz ultrasound catheters for intracardiac echocardiography. Background. Intracardiac echocardiography is a potentially useful technique of cardiac imaging and monitoring in certain settings. The feasibility of intracardiac echocardiography using 20-MHz ultrasound catheters in patients has been demonstrated. High resolution images of normal cardiac structures as well as cardiac abnormalities have been obtained. However, imaging has been limited by the shallow depth of field inherent in high frequency ultrasound imaging. Methods. Intracardiac echocardiography with 12.5-MHz catheters was performed in eight mongrel dogs and 92 patients. Catheters were introduced percutaneously in 86 patients studied in the catheterization laboratory and directly into the heart in 12 patients in the operating room. Right heart imaging was performed in 68 patients and arterial and left heart imaging in 35 patients. Results. When these catheters were introduced into the venous system, the right atrium, tricuspid valve, right ventricle, pulmonary valve and pulmonary artery were visualized. Pericardial effusion, intracardiac masses and atrial septal defects were correctly identified. The left ventricle, left atrium, mitral valve, aortic valve, aorta and coronary arteries could be imaged from the arterial circulation. Diseases identified included valvular aortic stenosis, subvalvular aortic stenosis and Kawasaki disease. Average imaging time was 10 min. No complications occurred as a result of intracardiac echocardiography. Conclusions. Intracardiac echocardiography with 12.5-MHz ultrasound catheters is safe and feasible; it also provides anatomic and physiologic information. This feasibility study provides a foundation for wider clinical use of intracardiac echocardiography.

AB - Objectives. This study was designed to determine the clinical utility and feasibility of using 12.5-MHz ultrasound catheters for intracardiac echocardiography. Background. Intracardiac echocardiography is a potentially useful technique of cardiac imaging and monitoring in certain settings. The feasibility of intracardiac echocardiography using 20-MHz ultrasound catheters in patients has been demonstrated. High resolution images of normal cardiac structures as well as cardiac abnormalities have been obtained. However, imaging has been limited by the shallow depth of field inherent in high frequency ultrasound imaging. Methods. Intracardiac echocardiography with 12.5-MHz catheters was performed in eight mongrel dogs and 92 patients. Catheters were introduced percutaneously in 86 patients studied in the catheterization laboratory and directly into the heart in 12 patients in the operating room. Right heart imaging was performed in 68 patients and arterial and left heart imaging in 35 patients. Results. When these catheters were introduced into the venous system, the right atrium, tricuspid valve, right ventricle, pulmonary valve and pulmonary artery were visualized. Pericardial effusion, intracardiac masses and atrial septal defects were correctly identified. The left ventricle, left atrium, mitral valve, aortic valve, aorta and coronary arteries could be imaged from the arterial circulation. Diseases identified included valvular aortic stenosis, subvalvular aortic stenosis and Kawasaki disease. Average imaging time was 10 min. No complications occurred as a result of intracardiac echocardiography. Conclusions. Intracardiac echocardiography with 12.5-MHz ultrasound catheters is safe and feasible; it also provides anatomic and physiologic information. This feasibility study provides a foundation for wider clinical use of intracardiac echocardiography.

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