G I Gabliani

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The ratio of peak hyperemic/basal mean coronary flow velocity, an index of coronary vasodilator reserve, immediately after coronary angioplasty normalizes in less than 50% of patients. To evaluate other indexes of coronary vasodilator capacity, both intracoronary arterial velocity and cardiac venous efflux were measured at rest and during(More)
This study was performed (1) to assess the frequency of ventricular ectopic activity (ventricular bigeminy, couplets, or ventricular tachycardia) during spontaneous variant angina; (2) to assess the relation between ventricular ectopy and the severity and duration of ischemia; and (3) to evaluate the precise temporal relation between episodes of ischemia(More)
The incidence and prognosis of acute coronary reocclusion occurring after patients had left the catheterization laboratory following a successful percutaneous transluminal coronary angioplasty (PTCA) procedure and the temporal relation of this event to the discontinuation of systemic heparin administration were analyzed in a series of 1238 consecutive(More)
To test the hypothesis that single-photon emission computed tomography (SPECT) could actually determine left ventricular LV mass in humans, SPECT measurements of LV mass were compared with LV mass determined by cineangiography in 12 patients with normal coronary arteries and LV function. Repeat SPECT determinations of LV mass were carried out in 5 patients.(More)
The potential of magnetic resonance imaging (MRI) to detect and localize acute myocardial infarction (AMI) in 27 patients a mean interval of 15 days after AMI was evaluated. Eighteen asymptomatic volunteers were also studied to determine the specificity of the observations. The diagnosis of AMI was established by conventional criteria; the infarct was(More)
We describe a patient in whom a brachial arterial cutdown done at the same site for percutaneous transluminal angioplasty immediately after uncomplicated percutaneous brachial coronary arteriography revealed the percutaneous sheath in a deeper, smaller, and more lateral artery than the brachial artery, complicating placement of the guiding catheter. This(More)
The present study was performed to assess the efficacy of concomitant calcium antagonist/isosorbide dinitrate therapy in patients with frequent episodes of variant angina and to compare such combination therapy with isosorbide dinitrate alone. We enrolled nine such patients (six men and three women, aged 47 +/- 9 [mean +/- standard deviation] years) in a(More)