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Jin Gu, He-Shui Shi, Ping Han, Jie Yu, Gui-Na Ma, Sheng Wu
This study sought to compare the image quality and radiation dose of coronary computed tomography angiography (CCTA) from prospectively triggered 128-slice CT (128-MSCT) versus dual-source 64-slice CT (DSCT). The study was approved by the Medical Ethics Committee at Tongji Medical College of Huazhong University of Science and Technology. Eighty consecutive patients with stable heart rates lower than 70 bpm were enrolled. Forty patients were scanned with 128-MSCT, and the other 40 patients were scanned with DSCT...
October 18, 2016: Scientific Reports
Tommy Wilkman, Satu Apajalahti, Erika Wilkman, Jyrki Törnwall, Patrik Lassus
PURPOSE: The aim of the present study was to compare the resorption of the bone in the free scapular, free iliac crest, and free fibular microvascular flaps in mandibular reconstruction over time. PATIENTS AND METHODS: In the present retrospective study, we analyzed 186 consecutive patients with scapular, fibular, or deep circumflex iliac artery (DCIA) osseous free microvascular flaps in mandibular reconstruction. We followed up the patients clinically and using multislice computed tomography (MSCT) with volume analyses of the bone...
September 15, 2016: Journal of Oral and Maxillofacial Surgery
Futoshi Yamanaka, Koki Shishido, Tomoki Ochiai, Noriaki Moriyama, Kazuki Tobita, Tomoyuki Tani, Kyosuke Furuhashi, Kazuya Sugitatsu, Daisuke Hachinohe, Tadashi Wada, Shingo Mizuno, Hidetaka Suenaga, Yutaka Tanaka, Masato Murakami, Junya Matsumi, Saeko Takahashi, Takeshi Akasaka, Shinji Tanaka, Shigeru Saito
OBJECTIVE: Multi-slice computed tomography (MSCT) coronary angiography has been reported as an effective alternative to invasive conventional coronary angiography (CCA) for the diagnosis of coronary artery disease (CAD). However, in previous reports, the diagnostic accuracy of MSCT has not been significant enough to be of benefit in symptomatic patients. The aim of this study was to identify the usefulness of 320-slice computed tomography coronary angiography (320-CTA) for symptomatic patients in terms of the diagnostic accuracy of 320-CTA and the prevalence of vasospastic angina pectoris (VSAP) within the study cohort...
September 29, 2016: European Journal of Internal Medicine
Abir Oueida El Sadik, Mohamed Hafez Shaaban
BACKGROUND: Internal auditory canal (IAC) stenosis and vestibulocochlear nerve abnormalities have been reported to be associated with sensorineural hearing loss (SNHL). Previous studies classified the normal dimensions of the IAC and its anomalies with no consideration of the vestibulochoclear nerve. Other studies categorized the vestibulocochlear nerve development in only stenotic canals. In the present study, an anatomical classification of the normal dimensions of the IAC and its anomalies and their association with malformations of the vestibulocochlear nerve and its subdivisions were described...
September 26, 2016: Folia Morphologica (Warsz)
Nicolo Piazza, Darren Mylotte, Pascal Theriault Lauzier
Interventional cardiologists have traditionally relied upon fluoro-scopic imaging for percutaneous coronary interventions. Transcatheter structural heart interventions, however, require additional imaging modalities such as echocardiography and multislice computed tomography (MSCT) for pre-, intra- and post-procedural assistance. MSCT has emerged as the critical imaging modality for patient and device selection prior to transcatheter structural heart interventions. MSCT is unique as it provides a complete 3-dimensional (3D) dataset of the heart and vasculature that is amenable to multiplanar reconstruction for 2-dimensional (2D) or volume-rendered interpretations...
September 18, 2016: EuroIntervention
T Kahl, F K Razny, J P Benter, K Mutig, K Hegenscheid, S Mutze, A Eisenschenk
The clinical relevance of scaphoid bone fractures is reflected by their high incidence, accounting for approximately 60 % among carpal fractures and for 2-3 % of all fractures. With adequate therapy most scaphoid bone fractures heal completely without complications. Insufficient immobilization or undiagnosed fractures increase the risk of nonunion and the development of pseudarthrosis.X-ray examination enables initial diagnosis of scaphoid fracture in 70-80 % of cases. Positive clinical symptoms by negative x‑ray results require further diagnostics by multi-slice spiral CT (MSCT) or MRI to exclude or confirm a fracture...
September 16, 2016: Der Orthopäde
A S Suiumov
Described in the article is a case report concerning a female patient presenting with aortic valve insufficiency, lesions of the pulmonary artery, aortic arch branches, visceral and renal arteries, aneurysm of the whole aorta on the background of nonspecific aortoarteritis (NAA). Lesions of the pulmonary artery, aorta and its branches were diagnosed by means of MSCT angiography, which is the most informative method of study in this cohort of patients, making it possible to accurately diagnose both the degree of the lesion and its extent, as well as to carry out dynamic follow up of patients...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
N Fatic, N Ilić, D Markovic, A Nikolic, I Končar, R Lazovic, I Banzic, G Vuktsevich, B Pajovic, D Kostic
INTRODUCTION: In-hospital mortality of acute aortic type III dissection ranged about 12%. Complicated dissections represent about 18% of all cases, and require open surgery or TEVAR. More morphological predictors of in hospital mortality are needed to differentiate patients who should be selected for immediate, surgical or endovascular intervention. METHODS: From January 2009 to December 2014, 74 patients with acute aortic type III dissection were enrolled at Clinic of Vascular and Endovascular Surgery in Belgrade Serbia and retrospectively analyzed...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
Wen-Ying Jin, Xiu-Juan Zhao, Hong Chen
BACKGROUND: Multislice computed tomography (MSCT) coronary angiography (CAG) is a noninvasive technique with a reported high diagnostic accuracy for coronary artery disease (CAD). Women, more frequently than men, are known to develop atypical angina symptoms. The purpose of this study was to investigate whether the diagnostic accuracy of MSCT in women with atypical presentation differs from that in men. METHODS: We enrolled 396 in-hospital patients (141 women and 255 men) with suspected or proven CAD who successively underwent both MSCT and invasive CAG...
2016: Chinese Medical Journal
Rashid Saif Al Umairi, Faiza Al Kindi, Fadhila Al Busaidi
Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital coronary abnormality also known as Bland-White-Garland syndrome. The incidence of ALCAPA is about 1 in every 300,000 live births, and constitutes 0.24% and 0.46% of all congenital cardiac disease. It has a high infant mortality rate reaching up to 90% if left untreated. For many years, the diagnosis of ALCAPA was by angiography or autopsy. However, multislice computed tomography (MSCT) is a non-invasive imaging tool that allows accurate, non-invasive diagnosis of ALCAPA...
September 2016: Oman Medical Journal
Ya O Grusha, D S Ismailova, P A Kochetkov, S S Danilov
UNLABELLED: Precise instrument localization is of great importance in orbital decompression surgery. Different navigation systems were designed to fulfill this task and gained wide acceptance. AIM: to describe principal features and determine advantages of intraoperatively navigated orbital bony decompression. MATERIAL AND METHODS: Data on orbital decompression surgery performed with or without intraoperative image guidance is presented. Each time two surgeons were involved - an ophthalmologist (lateral wall decompression) and otolaryngologist (medial wall decompression)...
July 2016: Vestnik Oftalmologii
Alberto García-Lledó, José L Moya-Mur, Virginia Ponz-Mir, Susana Novo-Aparicio, Azucena Sanz-Barrio, Concepción Álvarez-Sanz, Ana de Santiago-Nocito
BACKGROUND: Risk score systems (RSS) were designed to estimate the risk of cardiac events. Their ability to predict coronary atherosclerosis (CA) has not been established. HYPOTHESIS: Risk score systems can predict presence of CA in patients without typical symptoms or ischemia. Because design of each RSS is different, their predictive value could also differ. METHODS: A retrospective analysis was done on patients from a low-risk region referred for cardiac multislice computed tomography (MSCT)...
September 6, 2016: Clinical Cardiology
Huiyu Zhang, Hongna Tan, Jianbo Gao, Yan Wei, Zhan Yu, Yan Zhou
The aim of the study was to investigate the value of sequential application of molybdenum target X-ray, multi-slice spiral computed tomography (MSCT) and magnetic resonance imaging (MRI) in the preoperative evaluation of breast-conserving surgeries. In total, 76 patients with indications for breast-conserving surgery due to complicated breast cancer participated in the study and were assigned to either control or observation group (n=38 per group). The patients in the control group were evaluated with two sets of random combinations of molybdenum target X-ray, MSCT or MRI with ultrasound inspection, whereas the patients in the observation group were evaluated by sequential inspection methods of molybdenum target X-ray, MSCT and MRI...
September 2016: Experimental and Therapeutic Medicine
W W Zhang, H G Wang, X J Shi, M Y Chen, S C Lu
OBJECTIVE: To discuss the significance of three-dimensional reconstruction as a method of preoperative planning of laparoscopic radiofrequency ablation(LRFA). METHODS: Thirty-two cases of LRFA admitted from January 2014 to December 2015 in Department of Hepatobiliary Surgery, Chinese People's Liberation Army General Hospital were analyzed(3D-LRFA group). Three-dimensional(3D) reconstruction were taken as a method of preoperative planning in 3D-LRFA group.Other 64 LRFA cases were paired over the same period without three-dimensional reconstruction before the operation (LRFA group)...
September 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Nicolas Debry, Arnaud Sudre, Ibrahim Elquodeimat, Cédric Delhaye, Guillaume Schurtz, Antoine Bical, Mohamad Koussa, Khalil Fattouch, Thomas Modine
BACKGROUND: Postprocedural aortic regurgitations following transcatheter aortic valve implantation (TAVI) procedures remain an issue. Benefit of oversizing strategies to prevent them isn't well established. We compared different level of oversizing in our cohort of consecutive patients to address if severe oversizing compared to normal sizing had an impact on post-procedural outcomes. METHODS: From January 2010 to August 2013, consecutive patients were referred for TAVI with preoperative Multislice-CT (MSCT) and the procedures were achieved using Edwards Sapien(®) or Corevalve devices(®)...
September 2016: Journal of Geriatric Cardiology: JGC
Hai-Tao Zhang, Xin-Yi Gao, Qin-Sha Xu, Yu-Tang Chen, Yu-Piao Song, Zhen-Wei Yao
OBJECTIVE: To evaluate the characteristics of enhancement of focal nodular hyperplasia (FNH) of the liver by analyzing the dynamic contrast-enhanced multislice computed tomography (MSCT) features and correlating them with pathological findings. PATIENTS AND METHODS: Nine males and 16 females with pathologically confirmed FNH and complete preoperative contrast-enhanced MSCT data were recruited for this study. The imaging features of FNH on the pre- and postcontrast MSCT were analyzed by two experienced radiologists by consensus...
2016: OncoTargets and Therapy
Verónica García-Vázquez, Eugenio Marinetto, Pedro Guerra, Manlio Fabio Valdivieso-Casique, Felipe Ángel Calvo, Eduardo Alvarado-Vásquez, Claudio Vicente Sole, Kirby Gannett Vosburgh, Manuel Desco, Javier Pascau
Intraoperative electron radiation therapy (IOERT) involves irradiation of an unresected tumour or a post-resection tumour bed. The dose distribution is calculated from a preoperative computed tomography (CT) study acquired using a CT simulator. However, differences between the actual IOERT field and that calculated from the preoperative study arise as a result of patient position, surgical access, tumour resection and the IOERT set-up. Intraoperative CT imaging may then enable a more accurate estimation of dose distribution...
August 23, 2016: Zeitschrift Für Medizinische Physik
Yu Kataoka, Rishi Puri, Anthony D Pisaniello, Muhammad Hammadah, Mohammed Qintar, Kiyoko Uno, Joseph K Montarello, Stephen J Nicholls, Stephen G Worthley
AIMS: Embolisation of atheromatous debris during catheter manipulation is considered to underlie acute cerebrovascular events (CVE) after transcatheter aortic valve implantation (TAVI). However, the relationship between aorta atheroma burden and acute CVE after TAVI has not been established. We investigated the impact of aorta atheroma burden on acute CVE. METHODS AND RESULTS: Preoperative multislice computed tomographic (MSCT) images in 278 patients receiving TAVI were analysed...
August 20, 2016: EuroIntervention
Victor Razafindranaly, Eric Truy, Jean-Baptiste Pialat, Amanda Martinon, Magali Bourhis, Nawele Boublay, Frédéric Faure, Aïcha Ltaïef-Boudrigua
OBJECTIVE: To evaluate the diagnostic concordance between multislice computed tomography (MSCT) and cone beam computed tomography (CBCT) in the early postoperative assessment of patients after cochlear implantation. STUDY DESIGN: Prospective, randomized, single-center, interventional, pilot study on the diagnostic performance of a medical device. SETTING: Tertiary referral center. PATIENTS: Patients aged over 18 years requiring a computed tomographic (CT) scan after cochlear implant surgery...
October 2016: Otology & Neurotology
Elisabeth Hofmann, Rolf Fimmers, Matthias Schmid, Ursula Hirschfelder, Andreas Detterbeck, Klaus Hertrich
OBJECTIVES: The goal was to investigate whether the three-dimensional (3D) reliability of the landmarks defining the Frankfort horizontal plane (FH) can be enhanced by reducing variance with the help of nearby anatomical structures. METHODS: Twenty multislice computed tomography (MSCT) datasets of evidently symmetrical patients (11 female and 9 male patients, 6.1-16 years old) were selected from 695 datasets archived at our department. In the 3D reconstructions, we located the anthropometric landmarks orbitale and porion, then these were modified with the help of frontomalare temporale, radiculare and the most anterior border of the left and right external acoustic pore...
September 2016: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
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