H. J. J. Kerkkamp

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The effect of recanalization of the "infarct vessel" on left ventricular (LV) function was assessed 6-8 weeks after acute myocardial infarction (MI) in two groups: patients who had streptokinase-induced recanalization during the acute phase and control patients who had spontaneous recanalization. The ejection fraction and severity of LV wall motion(More)
To investigate the ability of bioimpedance cardiography to assess left ventricular systolic function in comparison with known echocardiographic parameters and to establish the most informative bioimpedance parameter, 28 cardiac patients were submitted to simultaneous echocardiography and bioimpedance cardiography. Bioimpedance systolic time ratio, Heather(More)
Electrical impedance (EI) measurements conducted on the thorax contain useful information about the changes in blood volume that occur in the thorax during the heart cycle. The aim of this paper is to present a new (tomographic-like) method to obtain this relevant information with electrical impedance measurements, using a linear electrode array. This(More)
In 1981, a large, double-blind, randomized, multicenter trial was started in The Netherlands to evaluate the therapeutic effects of nifedipine or metoprolol in patients with unstable angina. This study, called the Holland Interuniversity Nifedipine Trial (HINT), included several hundred patients to establish potential therapeutic effects. From December 1982(More)
In 1981, a large, double-blind, randomized trial was started in The Netherlands to evaluate the therapeutic effects of nifedipine and/or metoprolol in patients with unstable angina. This study has been called the Holland Interuniversity Nifedipine/metoprolol Trial (HINT) and required several hundred patients to establish potential therapeutic effects. From(More)
In a clinical trial we studied left ventricular performance at rest in 50 patients with unstable angina by radionuclide techniques. Thallium-201 scintigraphy was performed on admission in 38 patients and repeated after 48 hr in 32 patients. Also dynamic blood pool scintigraphy was performed in 37 patients on admission and in 45 patients after 48 hr. Of the(More)
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