Marco de Oliveira

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OBJECTIVE To evaluate the benefit of routine pulmonary imaging with a five hour delay in gastroesophageal reflux scintigraphy (GERS) to detect pulmonary aspiration. METHODS 755 cases were analyzed (400 men, 355 women) within a wide range of age (1 month up to 94 years, mean of 5.2 years). Presence of reflux, its frequency, severity, and esophageal(More)
Parathyroid scintigraphies have been used to detect pathological parathyroid glands either before as well as after the parathyroid resection surgery in patients with hyperparathyroidism. One of the most utilized techniques to perform the studies is the double-phase images with Tc-99m sestamibi, which has been shown to be very accurate in the localization of(More)
Parathyroid scintigraphies have been used to detect pathological parathyroid glands either before as well as after the parathyroid resection surgery in patients with hyperparathyroidism. Although this test presents high specificity for detection of increased parathyroid glands, there exist causes of false positive results. In the present article, we report(More)
BACKGROUND Some patients present an overestimated left ventricular ejection fraction (LVEF) on electrocardiogram-gated myocardial scintigraphy (gated SPECT). OBJECTIVE To establish the relationship between biological factors and overestimated LVEF. METHODS We selected 3838 patients who underwent gated SPECT between May 20, 2000 and September 16, 2005(More)
OBJECTIVE In patients with primary hyperparathyroidism, candidates for surgical intervention, the parathyroid pre-operative localization is of fundamental importance in planning the appropriate surgical approach. MATERIALS AND METHODS The additional acquisition of SPECT and Technetium-99m images, during parathyroid scintigraphy with Sestamibi, is not(More)
OBJECTIVES To establish the degree of association between cardiovascular risk factors and the presence of coronary artery disease (CAD) in a group of patients undergoing myocardial perfusion scintigraphy (MPS). METHODS The study included 7183 patients who had undergone MPS. Using logistic regression analysis the odds ratios for the following risk factors(More)
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