Search Results - "Lima, Ronaldo S.L"

Incremental value of combined perfusion and function over perfusion alone by gated SPECT myocardial perfusion imaging for detection of severe three-vessel coronary artery disease by Lima, Ronaldo S.L, Watson, Denny D, Goode, Allen R, Siadaty, Mir S, Ragosta, Michael, Beller, George A, Samady, Habib

“…We hypothesized that combining functional assessment to perfusion enhances the ability of electrocardiographic gating Tc-99m sestamibi single photon emission…”
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Impact of the COVID-19 pandemic on the use of myocardial perfusion imaging for the assessment of coronary artery disease: a Brazilian experience by de Lorenzo, Andrea Rocha, Canario, Mariana, Souza, Vitor, Lima, Ronaldo

“…The COVID-19 pandemic and the lockdown period caused deep effects on healthcare, including cardiac imaging, with a possible negative influence on the…”
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Correlates of postexercise B-type natriuretic peptide levels in patients with normal left ventricular function and normal coronary arteries by De Lorenzo, Andrea, da Silva, Carlito L, Lima, Ronaldo S.L

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Comparison of myocardial T1 and T2 values in 3 T with T2 in 1.5 T in patients with iron overload and controls by Camargo, Gabriel C., Rothstein, Tamara, Junqueira, Flavia P., Fernandes, Elsa, Greiser, Andreas, Strecker, Ralph, Pessoa, Viviani, Lima, Ronaldo S. L., Gottlieb, Ilan

“…Myocardial iron quantification remains limited to 1.5 T systems with T2* measurement. The present study aimed at comparing myocardial T2* values at 1.5 T to T1…”
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“Metabolically healthy” obesity: Prevalence, clinical features and association with myocardial ischaemia by De Lorenzo, Andrea, Glerian, Leticia, Amaral, Ana Carolina, Reis, Thiago B, Lima, Ronaldo S.L

“…Summary Objective To evaluate the prevalence of the “metabolically healthy” (MH) or “metabolically unhealthy” (MU) obesity phenotypes and their association…”
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A Not so Obvious Cause of Chest Pain: Pulmonary Hypertension by De Lorenzo, Andrea, MD, PhD, Lessa, Carlito, MD, Msc, Camargo, Gabriel, MD, Gottlieb, Ilan, MD, PhD, Lima, Ronaldo S.L., MD, PhD

“…De Lorenzo et al report a case of a 63-year-old man who was clearly a candidate for coronary artery disease, but comprehensive imaging studies led to an…”
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Prevalence and prognostic value of perfusion defects detected by stress technetium-99m sestamibi myocardial perfusion single-photon emission computed tomography in asymptomatic patients with diabetes mellitus and no known coronary artery disease by De Lorenzo, Andrea, Lima, Ronaldo S.L, Siqueira-Filho, Aristarco G, Pantoja, Mauricio R

“…Coronary artery disease (CAD) is the leading cause of morbidity and mortality in diabetics. Early diagnosis of CAD and identification of high-risk subgroups,…”
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Biodistribution of bone marrow mononuclear cells in chronic chagasic cardiomyopathy after intracoronary injection by Barbosa da Fonseca, Lea Mirian, Xavier, Sérgio S, Rosado de Castro, Paulo Henrique, Lima, Ronaldo S.L, Gutfilen, Bianca, Goldenberg, Regina C.S, Maiolino, Angelo, Chagas, Claudia L.R, Pedrosa, Roberto C, Campos de Carvalho, Antonio Carlos

“…Abstract Background Animal and human clinical studies have indicated that bone marrow (BM) mononuclear cell (MNC) therapy for Chagasic Cardiomyopathy (ChC) is…”
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Is chronotropic incompetence a limitation in the evaluation of myocardial ischemia and prognosis? by De Lorenzo, Andrea, Oliveira, Gabriel, Ramos, Ana C, Pinto, Flavia, Rothstein, Tamara, Lima, Ronaldo S.L

“…OBJECTIVEThe aim of this study was to evaluate whether chronotropic incompetence (CI), the inability to reach 85% of the maximal predicted heart rate during…”
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Comparison between short-acquisition myocardial perfusion SPECT reconstructed with a new algorithm and conventional acquisition with filtered backprojection processing by De Lorenzo, Andrea, Fonseca, Lea Miriam B, Landesmann, Maria Carolina P.P, Lima, Ronaldo S.L

“…OBJECTIVETo compare a novel reconstruction package (Evolution for Cardiac), used to improve image quality in myocardial perfusion single photon emission…”
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The Reply by De Lorenzo, Andrea, Lima, Ronaldo S.L.

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Quantification of myocardial flow reserve using a gamma camera with solid-state cadmium-zinc-telluride detectors: Relation to angiographic coronary artery disease by de Souza, Ana Carolina do A.H., Gonçalves, Bernardo K.D., Tedeschi, Angelo L., Lima, Ronaldo S.L.

“…Previous studies have suggested using gamma cameras with cadmium-zinc-telluride (CZT) detectors to quantify myocardial blood flow (MBF) and flow reserve (MFR)…”
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The additional prognostic value of myocardial perfusion SPECT in patients with known coronary artery disease with high exercise capacity by Peclat, Thais R., de Souza, Ana Carolina do A.H., Souza, Victor F., Nakamoto, Aline M.K., Neves, Felipe M., Silva, Izabella C.R., Lima, Ronaldo S.L.

“…The prognostic value of myocardial perfusion imaging (MPI) in patients with known coronary artery disease (CAD) and high exercise capacity is still unknown. We…”
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Clinical, scintigraphic, and angiographic predictors of oxygen pulse abnormality in patients undergoing cardiopulmonary exercise testing by De Lorenzo, Andrea, da Silva, Carlito Lessa, Souza, Fernando Cesar Castro, Serra, Salvador, Marino, Pablo, SL Lima, Ronaldo

“…Background The oxygen (O2) pulse curve obtained at cardiopulmonary exercise testing provides information on cardiorespiratory fitness and the presence of…”
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The Reply by De Lorenzo, Andrea, MD, PhD, Lima, Ronaldo S.L., MD, PhD

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Prognostic evaluation in obese patients using a dedicated multipinhole cadmium-zinc telluride SPECT camera by De Lorenzo, Andrea, Peclat, Thais, Amaral, Ana Carolina, Lima, Ronaldo S. L.

“…The purpose of this study is to evaluate the prognostic value of myocardial perfusion SPECT obtained in CZT cameras (CZT–SPECT) with multipinhole collimation…”
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Prognostic value of a faster, low-radiation myocardial perfusion SPECT protocol in a CZT camera by Lima, Ronaldo S. L., Peclat, Thaís R., Souza, Ana Carolina A. H., Nakamoto, Aline M. K., Neves, Felipe M., Souza, Victor F., Glerian, Letícia B., De Lorenzo, Andrea

“…To determine the prognostic value of a new, ultrafast, low dose myocardial perfusion SPECT (MPS) protocol in a cadmium-zinc telluride (CZT) camera. CZT cameras…”
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Prognostic Assessment of Diabetics Using Myocardial Perfusion Imaging: Diabetes Mellitus is Still a Coronary Artery Disease Equivalent by De Lorenzo, Andrea, Souza, Victor F, Glerian, Leticia, Lima, Ronaldo Sl

“…Even though diabetes mellitus (DM) has been considered a "Coronary Artery Disease (CAD) equivalent", that is still controversial, especially in a contemporary…”
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Myocardial Perfusion Scintigraphy After Cardiac Arrest: On the Pathophysiology of Cardiac Death by Lima, Ronaldo S L, De Lorenzo, Andrea, Nobrega, Bernardo, Landersman, Maria Carolina, Fonseca, Lea Mirian B

“…The presence of myocardial scar and/or myocardial ischemia provides an important substrate for the occurrence of potentially fatal ventricular arrhythmias. A…”
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Real-time cardiac magnetic resonance cine imaging with sparse sampling and iterative reconstruction for left-ventricular measures: Comparison with gold-standard segmented steady-state free precession by Camargo, Gabriel C., Erthal, Fernanda, Sabioni, Leticia, Penna, Filipe, Strecker, Ralph, Schmidt, Michaela, Zenge, Michael O., Lima, Ronaldo de S.L., Gottlieb, Ilan

“…Segmented cine imaging with a steady-state free-precession sequence (Cine-SSFP) is currently the gold standard technique for measuring ventricular volumes and…”
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