Results 21 to 30 of about 16,119 (209)

Correction of collimator-dependent differences in the heart-to-mediastinum ratio in ¹²³I-metaiodobenzylguanidine cardiac sympathetic imaging: Determination of conversion equations using point-source imaging. [PDF]

J Nucl Cardiol, 2017
Septal penetration causes collimator-dependent differences in the heart-to-mediastinum (H/M) ratio in 123I-metaiodobenzylguanidine (MIBG) cardiac imaging. We investigated generally applicable methods to correct such differences.Four hours after 123I-MIBG injection, 40 patients underwent anterior chest imaging successively with medium-energy (ME) and ...
Inoue Y, Abe Y, Kikuchi K, Matsunaga K, Masuda R, Nishiyama K.   +5 more
europepmc   +4 more sources

Quantification of I-123-meta-iodobenzylguanidine Heart-to-Mediastinum Ratios: Not So Simple After All [PDF]

Journal of Nuclear Cardiology, 2014
Heart failure (HF) affects over 5 million people in the United States, and while survival has improved, mortality remains high, with approximately 50% survival within 5 years of diagnosis. The American Heart Association estimates that prevalence of HF will increase 25% by 2030.
Piotr J, Slomka, Puja K, Mehta, Guido, Germano, Daniel S, Berman   +3 more
openaire   +2 more sources

Manual and semi-automated approaches to MIBG myocardial scintigraphy in patients with Parkinson’s disease

Frontiers in Medicine, 2022
ObjectiveThis study investigates the effects of manual and semi-automatic methods for assessing MIBG semi-quantitative indices in a clinical setting.Materials and methodsWe included 123I-MIBG scans obtained in 35 patients with idiopathic Parkinson’s ...
Cecilia Boccalini, Cecilia Boccalini, Cecilia Boccalini, Giulia Carli, Giulia Carli, Emilia Giovanna Vanoli, Antoniangela Cocco, Alberto Albanese, Alberto Albanese, Valentina Garibotto, Valentina Garibotto, Valentina Garibotto, Daniela Perani, Daniela Perani, Daniela Perani   +14 more
doaj   +1 more source

Power spectral analysis of heart rate variability is useful as a screening tool for detecting sympathetic and parasympathetic nervous dysfunctions in Parkinson’s disease

BMC Neurology, 2022
Background Parkinson’s disease (PD) is a progressive neurodegenerative disorder that causes motor symptoms and autonomic dysfunction. However, autonomic function tests commonly performed in PD can only evaluate either the sympathetic or parasympathetic ...
Tomo Miyagi, Masanobu Yamazato, Takuto Nakamura, Takashi Tokashiki, Yukihiro Namihira, Kazuhito Kokuba, Satoshi Ishihara, Hirokuni Sakima, Yusuke Ohya   +8 more
doaj   +1 more source

Creation of mortality risk charts using 123I meta-iodobenzylguanidine heart-to-mediastinum ratio in patients with heart failure: 2- and 5-year risk models. [PDF]

Eur Heart J Cardiovasc Imaging, 2016
(123)I meta-iodobenzylguanidine (MIBG) imaging has been extensively used for prognostication in patients with chronic heart failure (CHF). The purpose of this study was to create mortality risk charts for short-term (2 years) and long-term (5 years) prediction of cardiac mortality.Using a pooled database of 1322 CHF patients, multivariate analysis ...
Nakajima K, Nakata T, Matsuo S, Jacobson AF.   +3 more
europepmc   +4 more sources

Cardiac Sympathetic Hyperactivity after Chemotherapy: Early Sign of Cardiotoxicity?

Arquivos Brasileiros de Cardiologia, 2015
Background: Chemotherapy with anthracyclines and trastuzumab can cause cardiotoxicity. Alteration of cardiac adrenergic function assessed by metaiodobenzylguanidine labeled with iodine-123 (123I-mIBG) seems to precede the drop in left ventricular ...
Sarita Lígia Pessoa de Melo Machado Guimarães, Simone Cristina Soares Brandão, Luciana Raposo Andrade, Rafael José Coelho Maia, Brivaldo Markman Filho   +4 more
doaj   +1 more source

Bronchial Circulation Angiogenesis in the Rat Quantified with SPECT and Micro-CT [PDF]

, 2008
Introduction As pulmonary artery obstruction results in proliferation of the bronchial circulation in a variety of species, we investigated this angiogenic response using single photon emission computed tomography (SPECT) and micro-CT.
Clough, Anne V., Gordon, John B., Haworth, Steven Thomas, Molthen, Robert C., Roerig, David L., Wieholt, Christian   +5 more
core   +2 more sources

Adrenal pheochromocytoma incidentally discovered in a patient with parkinsonism [PDF]

, 2015
To evaluate the diagnostic route of pheochromocytoma (PHEO) in a patient under dopaminergic treatment. A 70-year-old man with Parkinsonism and under treatment with levodopa and carbidopa came to our observation for evaluation of arterial hypertension and
Claudio Letizia, Concistrè Antonio, Giuseppe De Vincentis, Iannucci Gino, Lucia Piernatale, Luigi Petramala, Marinelli Cristiano, Zinnamosca Laura   +7 more
core   +1 more source

Takotsubo syndrome in the same heart before and after heart transplantation

ESC Heart Failure, 2020
Heart transplantation is an effective therapy for patients with end‐stage heart failure. In some cases, Takotsubo syndrome (TTS) was seen in the donor heart.
Masaki Tsuji, Eisuke Amiya, Chie Bujo, Hisataka Maki, Junichi Ishida, Masaru Hatano, Minoru Ono, Issei Komuro   +7 more
doaj   +1 more source

PadChest: A large chest x-ray image dataset with multi-label annotated reports [PDF]

, 2019
We present a labeled large-scale, high resolution chest x-ray dataset for the automated exploration of medical images along with their associated reports.
Bustos, Aurelia, de la Iglesia-Vayá, Maria, Pertusa, Antonio, Salinas, Jose-Maria   +3 more
core   +2 more sources