نتایج جستجو برای: heart to mediastinum ratio

تعداد نتایج: 10776785  

2011
P. M. van der Zee J. van Schuppen R. B. A. van de Brink

Cardiac tumours may display diverse symptoms through potential involvement of any structure of the heart. We describe a case of a highly malignant thymoma with involvement of different cardiac structures with important haemodynamic compromise. With the high sensitivity of transthoracic echocardiography for detection of intracardiac masses, computed tomography and magnetic resonance add essentia...

2016
Dariusz Jagielak Radoslaw Kozaryn Rafal Pawlaczyk Piotr Siondalski Witold Rzyman Jan Rogowski

Coronary artery disease is a frequent comorbidity in patients undergoing major thoracic surgery. Simultaneous operations eliminate the necessity of a second operation and, more importantly, minimize the delay in compulsory postoperative oncological therapy. We describe a relaxing incision in the contralateral pericardium, which allows for simple displacement of the heart. This maneuver improves...

Journal: :AJNR. American journal of neuroradiology 2015
S Gaddikeri J B Andre J Benjert D S Hippe Y Anzai

BACKGROUND AND PURPOSE Improved image quality is clinically desired for contrast-enhanced CT of the neck. We compared 30% adaptive statistical iterative reconstruction and model-based iterative reconstruction algorithms for the assessment of image quality of contrast-enhanced CT of the neck. MATERIALS AND METHODS Neck contrast-enhanced CT data from 64 consecutive patients were reconstructed r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده علوم 1391

abstract in the present research solution of chalcopyrite in sulfuric acid in hydrometallurgy method using electrochemistry with cyclic voltammetry technique has been investigated. the value of maximum reduction peak current of copper ions represents the measure of solubility. in this research different parameters temperature, potential, potential exert time, chalcopyrite concentration, sulfur...

2016
Yae Matsuo Shu Kasama Takuji Toyama Ryuichi Funada Noriaki Takama Norimichi Koitabashi Shuichi Ichikawa Yasuyuki Suzuki Naoya Matsumoto Yuichi Sato Masahiko Kurabayashi

OBJECTIVE Short-acting loop diuretics are known to enhance cardiac sympathetic nerve activity (CSNA) in patients with chronic heart failure (CHF). The effects of two loop diuretics-long-acting azosemide and short-acting furosemide-on CSNA were evaluated using (123)I-metaiodobenzylguanidine (MIBG) scintigraphy in patients with CHF. METHODS The present study was a subanalysis of our previously ...

2014
KIMINORI FUJIMOTO MASAKI HARA NORIYUKI TOMIYAMA MASAHIKO KUSUMOTO FUMIKAZU SAKAI YOSHITAKA FUJII

There is no existing worldwide published method for mediastinum compartment classification based on transverse section images for the differential diagnosis of mediastinal tumors. Herein, we describe a new method for anatomic mediastinal compartment classification using transverse section computed tomography (CT) images and the use of this method to classify mediastinal lesions, and thus evalua...

Journal: :Postgraduate medical journal 1966
I G Wylie

under discussion. The presence of a pneumomediastinum could have interfered with filling of the right heart, but the successful outcome of conservative treatment indicated that this accumulation of air was a minor problem. The fall in blood pressure was considered to be unrelated to the giving of promazine 8 hours before. McNicholl (1960) pointed out that a lateral chest radiograph shows the am...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2004
Silvia Samarin Lovric Viktor Avbelj Roman Trobec Darko Zorman Peter Rakovec Sergej Hojker Borut Gersak Metka Milcinski

OBJECTIVE Complete allograft denervation occurs during heart transplantation. Partial ventricular sympathetic reinnervation may develop one year or later after transplantation and can be measured with iodine-123-meta-iodobenziylguanidine (MIBG) uptake. Aim of this study was to assess sinus node sympathetic reinnervation measured with heart rate variability and ventricular sympathetic reinnervat...

Journal: :The Onderstepoort journal of veterinary research 1993
N J Van der Merwe S H Kotze

The pleural cavity of the Nile crocodile is divided into two separate cavities by means of a complete mediastinum. The pleural cavity contains the lungs, while the heart is situated in its own cavity, the pericardial cavity. The pleural cavity is separated from the hepatic coelom, which contains the liver, by the post-pulmonary membrane. The hepatic coelom is separated from the peritoneal cavit...

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