P A Ludbrook
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Explore the profile of P A Ludbrook including associated specialties, affiliations and a list of published articles.
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79
Citations
740
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Recent Articles
11.
Courtois M, Mechem C, Barzilai B, Gutierrez F, Ludbrook P
Circulation
. 1994 Oct;
90(4):2041-50.
PMID: 7923692
Background: Left atrial pressure (LAP) is often believed to play a dominant role in the determination of left ventricular (LV) early diastolic filling. In a previous study we found no...
12.
Hill J, Winniford M, Cohen M, Van Fossen D, Murphy M, Halpern E, et al.
Am J Cardiol
. 1993 Oct;
72(11):770-5.
PMID: 8213508
Contrast agents used for cardiac angiography are different in regard to ionicity, osmolality and physiologic effects. The nonionic contrast media have been shown to have less toxic effects and a...
13.
Shelton M, Senneff M, Ludbrook P, Sobel B, Bergmann S
J Nucl Med
. 1993 May;
34(5):717-22.
PMID: 8478702
We have previously shown that myocardial perfusion can be quantified by positron emission tomography (PET) with 15O-labeled water (H2(15)O), as experimentally validated with radiolabeled microspheres in animal hearts. The purpose...
14.
Allen B, Munn J, Stevens S, Sicard G, Anderson C, Droste M, et al.
J Cardiovasc Surg (Torino)
. 1992 Jul;
33(4):440-7.
PMID: 1527148
Femoral arterial pseudoaneurysms or arteriovenous fistulae may sometimes complicate percutaneous femoral artery catheterization procedures. Most surgeons recommend prompt operative repair because of the unfavorable natural history of pseudoaneurysms or arteriovenous...
15.
Courtois M, Mechem C, Barzilai B, Ludbrook P
Circulation
. 1992 Mar;
85(3):1132-8.
PMID: 1537111
Background: Three important determinants of left ventricular (LV) peak early diastolic filling rate, which is related directly to the magnitude of the transmitral pressure difference, are the rate of LV...
16.
Eisenberg P, Kenzora J, Sobel B, Ludbrook P, Jaffe A
J Am Coll Cardiol
. 1991 Oct;
18(4):898-903.
PMID: 1894862
This study was designed to determine in patients with unstable angina whether specific electrocardiographic abnormalities associated with ischemia, the presence of coronary lesions consistent with thrombosis on angiography or the...
17.
Carney R, Freedland K, Ludbrook P, Saunders R, Jaffe A
Am J Med
. 1990 Dec;
89(6):757-60.
PMID: 2252044
Purpose: Patients with chest pain but without angiographic evidence of significant atherosclerotic coronary artery disease (CAD) are often found to have other medical or psychiatric disorders, including mitral valve prolapse,...
18.
Courtois M, Barzilai B, Gutierrez F, Ludbrook P
Circulation
. 1990 Oct;
82(4):1413-23.
PMID: 2205419
Regional intraventricular pressure gradients exist in the left ventricle (LV) during both the early and late filling phases of diastole. These regional pressure gradients comprise a fundamental component of the...
19.
Courtois M, Kovacs S, Ludbrook P
Circulation
. 1990 May;
81(5):1688-96.
PMID: 2331773
A consistent pattern of intraventricular regional pressure gradients exists under physiological conditions during the rapid filling phase of diastole in the normal dog left ventricle. We hypothesized that this pressure...
20.
WALSH M, Geltman E, Steele R, Kenzora J, Ludbrook P, Sobel B, et al.
J Am Coll Cardiol
. 1990 Jan;
15(1):119-27.
PMID: 2295720
Effects of coronary angioplasty on myocardial flow reserve have been difficult to characterize noninvasively because conventional imaging techniques cannot quantitate blood flow in absolute terms. The effects of coronary angioplasty...