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Mri interventions

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https://www.readbyqxmd.com/read/28213627/real-time-mri-guided-percutaneous-sclerotherapy-of-low-flow-head-and-neck-lymphatic-malformations-in-the-pediatric-population-a-stepwise-approach
#1
Sasan Partovi, Lorenna Vidal, Ziang Lu, Dean A Nakamoto, Ji Buethe, Mark Clampitt, Michael Coffey, Indravadan J Patel
Real-time MRI-guided percutaneous sclerotherapy is a novel and evolving treatment for congenital lymphatic malformations in the head and neck. We elaborate on the specific steps necessary to perform an MRI-guided percutaneous sclerotherapy of lymphatic malformations including pre-procedure patient work-up and preparation, stepwise intraprocedural interventional techniques and post-procedure management. Based on our institutional experience, MRI-guided sclerotherapy with a doxycycline-gadolinium-based mixture as a sclerosant for lymphatic malformations of the head and neck region in children is well tolerated and effective...
February 17, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28210769/preprocedural-risk-assessment-prior-to-ppvi-with-cmr-and-cardiac-ct
#2
Ladonna Malone, Brian Fonseca, Thomas Fagan, Jane Gralla, Neil Wilson, Micheal DiMaria, Uyen Truong, Lorna P Browne
Percutaneous pulmonary valve intervention (PPVI) is a less invasive and less costly approach to pulmonary valve replacement compared with the surgical alternative. Potential complications of PPVI include coronary compression and pulmonary arterial injury/rupture. The purpose of this study was to characterize the morphological risk factors for PPVI complication with cardiac MRI and cardiac CTA. A retrospective review of 88 PPVI procedures was performed. 44 patients had preprocedural cardiac MRIs or CTAs available for review...
February 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28210220/mri-based-classification-models-in-prediction-of-mild-cognitive-impairment-and-dementia-in-late-life-depression
#3
Aleksandra K Lebedeva, Eric Westman, Tom Borza, Mona K Beyer, Knut Engedal, Dag Aarsland, Geir Selbaek, Asta K Haberg
Objective: Late-life depression (LLD) is associated with development of different types of dementia. Identification of LLD patients, who will develop cognitive decline, i.e., the early stage of dementia would help to implement interventions earlier. The purpose of this study was to assess whether structural brain magnetic resonance imaging (MRI) in LLD patients can predict mild cognitive impairment (MCI) or dementia 1 year prior to the diagnosis. Methods: LLD patients underwent brain MRI at baseline and repeated clinical assessment after 1-year...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28207747/chronic-pancreatitis-multicentre-prospective-data-collection-and-analysis-by-the-hungarian-pancreatic-study-group
#4
Ákos Szücs, Tamás Marjai, Andrea Szentesi, Nelli Farkas, Andrea Párniczky, György Nagy, Balázs Kui, Tamás Takács, László Czakó, Zoltán Szepes, Balázs Csaba Németh, Áron Vincze, Gabriella Pár, Imre Szabó, Patrícia Sarlós, Anita Illés, Szilárd Gódi, Ferenc Izbéki, Judit Gervain, Adrienn Halász, Gyula Farkas, László Leindler, Dezső Kelemen, Róbert Papp, Richárd Szmola, Márta Varga, József Hamvas, János Novák, Barnabás Bod, Miklós Sahin-Tóth, Péter Hegyi
INTRODUCTION: Chronic pancreatitis is an inflammatory disease associated with structural and functional damage to the pancreas, causing pain, maldigestion and weight loss and thus worsening the quality of life. AIMS AND METHODS: Our aim was to find correlations from a multicentre database representing the epidemiological traits, diagnosis and treatment of the disease in Hungary. The Hungarian Pancreatic Study Group collected data prospectively from 2012 to 2014 on patients suffering from chronic pancreatitis...
2017: PloS One
https://www.readbyqxmd.com/read/28207567/relationship-between-r-wave-peak-time-and-no-reflow-in-st-elevation-myocardial-infarction-treated-with-a-primary-percutaneous-coronary-intervention
#5
Metin Çağdaş, Süleyman Karakoyun, İbrahim Rencüzoğullari, Yavuz Karabağ, Mahmut Yesin, Mahmut Uluganyan, Mustafa O Gürsoy, İnanç Artaç, Doğan İliş, Süleyman Ç Efe, Onur Taşar
Coronary no-reflow (NR) is observed in nearly half of ST segment elevation myocardial infarction (STEMI) patients who undergo a primary percutaneous coronary intervention (pPCI) despite epicardial coronary vessel patency. Several methods used to define NR include thrombolysis in myocardial infarction grade, corrected thrombolysis in myocardial infarction frame count, myocardial blush grade, ST-segment resolution, contrast echocardiography, and MRI. The aim of our study was to evaluate the relationship between NR and R-wave peak time (RWPT) measured from infarct-related artery leads METHOD: We enrolled 282 consecutive STEMI patients treated with pPCI in Kafkas University Hospital from January 2014 to January 2015...
February 15, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28206999/early-eeg-power-predicts-mri-injury-in-infants-with-hypoxic-ischemic-encephalopathy
#6
S V Jain, J M Zempel, P Srinivasakumar, M Wallendorf, A Mathur
OBJECTIVE: Early identification of infants with hypoxic-ischemic encephalopathy who have adverse outcomes despite neuroprotection with therapeutic hypothermia (TH) is urgently needed. Recent studies have found limited value of amplitude integrated EEG (aEEG) for predicting short-term outcomes in this population. Other quantitative electroencephalography (EEG) variables reflecting EEG amplitude, such as EEG power, could provide early stratification of a high-risk cohort in this population...
February 16, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28206676/thoracic-ct-mri-co-registration-for-regional-pulmonary-structure-function-measurements-of-obstructive-lung-disease
#7
Fumin Guo, Sarah Svenningsen, Miranda Kirby, Dante P I Capaldi, Khadija Sheikh, Aaron Fenster, Grace Parraga
PURPOSE: Recent pulmonary imaging research has revealed that in patients with chronic obstructive pulmonary disease (COPD) and asthma, structural and functional abnormalities are spatially heterogeneous. This novel information may help optimize treatment in individual patients, monitor interventional efficacy and develop new treatments. Moreover, by automating the measurement of regional biomarkers for the 19 different anatomical lung segments, there is an opportunity to embed imaging biomarkers into clinically-acceptable clinical workflows and improve lung disease clinical care...
February 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28205308/fast-and-robust-multimodal-image-registration-using-a-local-derivative-pattern
#8
Dongsheng Jiang, Yonghong Shi, Xinrong Chen, Manning Wang, Zhijian Song
PURPOSE: Deformable multimodal image registration, which can benefit radiotherapy and image guided surgery by providing complementary information, remains a challenging task in the medical image analysis field due to the difficulty of defining a proper similarity measure. This article presents a novel, robust and fast binary descriptor, the discriminative local derivative pattern (dLDP), which is able to encode images of different modalities into similar image representations. METHODS: dLDP calculates a binary string for each voxel according to the pattern of intensity derivatives in its neighborhood...
February 2017: Medical Physics
https://www.readbyqxmd.com/read/28199998/delayed-intraparenchymal-and-intraventricular-hemorrhage-requiring-surgical-evacuation-after-mri-guided-laser-interstitial-thermal-therapy-for-lesional-epilepsy
#9
Sean M Barber, Luke Tomycz, Timothy George, Dave F Clarke, Mark Lee
BACKGROUND: Symptomatic intracranial hemorrhage is a rare complication of laser interstitial thermal therapy (LITT). OBJECTIVES: To present a unique case of delayed symptomatic intracranial hemorrhage occurring after a LITT procedure for epilepsy in a high-volume center (68 LITT procedures for pediatric epilepsy have been performed). METHODS: An 18-year-old male with epilepsy underwent LITT to an area of heterotopia near the right lateral ventricle...
February 16, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28199043/diagnostic-performance-of-t1-and-t2-mapping-to-detect-intramyocardial-hemorrhage-in-reperfused-st-segment-elevation-myocardial-infarction-stemi-patients
#10
Heerajnarain Bulluck, Stefania Rosmini, Amna Abdel-Gadir, Anish N Bhuva, Thomas A Treibel, Marianna Fontana, Esther Gonzalez-Lopez, Manish Ramlall, Ashraf Hamarneh, Alex Sirker, Anna S Herrey, Charlotte Manisty, Derek M Yellon, James C Moon, Derek J Hausenloy
PURPOSE: To investigate the performance of T1 and T2 mapping to detect intramyocardial hemorrhage (IMH) in ST-segment elevation myocardial infarction (STEMI) patients treated by primary percutaneous coronary intervention (PPCI). MATERIALS AND METHODS: Fifty STEMI patients were prospectively recruited between August 2013 and July 2014 following informed consent. Forty-eight patients completed a 1.5T cardiac magnetic resonance imaging (MRI) with native T1 , T2 , and T2* maps at 4 ± 2 days...
February 15, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28198961/the-pilot-study-of-radiology-nursing-intervention-in-abdominal-3-t-magnetic-resonance-examination
#11
Gui-Qing Dong, Wen-Wen Wang, Kai Deng, Guang-Li Wang
OBJECTIVE: The aim of this study was to investigate the effect of radiology nursing intervention in abdominal examination at 3-T MRI. METHOD: 60 patients with abdominal diseases were divided into two groups randomly: MR nursing intervention group and control group. All the patients underwent abdominal MR examination at 3-T. The MR nursing interventions were performed in nursing intervention group. The outcomes, including one-time success rate, the ratio of diagnosable MR images and the points of image quality, were compared between these two groups...
November 2016: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28196476/automatic-mri-segmentation-of-para-pharyngeal-fat-pads-using-interactive-visual-feature-space-analysis-for-classification
#12
Muhammad Laiq Ur Rahman Shahid, Teodora Chitiboi, Tetyana Ivanovska, Vladimir Molchanov, Henry Völzke, Lars Linsen
BACKGROUND: Obstructive sleep apnea (OSA) is a public health problem. Detailed analysis of the para-pharyngeal fat pads can help us to understand the pathogenesis of OSA and may mediate the intervention of this sleeping disorder. A reliable and automatic para-pharyngeal fat pads segmentation technique plays a vital role in investigating larger data bases to identify the anatomic risk factors for the OSA. METHODS: Our research aims to develop a context-based automatic segmentation algorithm to delineate the fat pads from magnetic resonance images in a population-based study...
February 14, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28191775/noninvasive-assessment-of-an-engineered-bioactive-graft-in-myocardial-infarction-impact-on-cardiac-function-and-scar-healing
#13
Carolina Gálvez-Montón, Ramon Bragós, Carolina Soler-Botija, Idoia Díaz-Güemes, Cristina Prat-Vidal, Verónica Crisóstomo, Francisco M Sánchez-Margallo, Aida Llucià-Valldeperas, Paco Bogónez-Franco, Isaac Perea-Gil, Santiago Roura, Antoni Bayes-Genis
Cardiac tissue engineering, which combines cells and biomaterials, is promising for limiting the sequelae of myocardial infarction (MI). We assessed myocardial function and scar evolution after implanting an engineered bioactive impedance graft (EBIG) in a swine MI model. The EBIG comprises a scaffold of decellularized human pericardium, green fluorescent protein-labeled porcine adipose tissue-derived progenitor cells (pATPCs), and a customized-design electrical impedance spectroscopy (EIS) monitoring system...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28188403/-stereotactic-laser-thermocoagulation-in-epilepsy-surgery
#14
C Hoppe, J-A Witt, C Helmstaedter, T Gasser, H Vatter, C E Elger
In common with other stereotactic procedures, stereotactic laser thermocoagulation (SLT) promises gentle destruction of pathological tissue, which might become especially relevant for epilepsy surgery in the future. Compared to standard resection, no large craniotomy is necessary, cortical damage during access to deep-seated lesions can be avoided and interventions close to eloquent brain areas become possible. We describe the history and rationale of laser neurosurgery as well as the two available SLT systems (Visualase® and NeuroBlate®; CE marks pending)...
February 10, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28187125/aerobic-exercise-for-alzheimer-s-disease-a-randomized-controlled-pilot-trial
#15
Jill K Morris, Eric D Vidoni, David K Johnson, Angela Van Sciver, Jonathan D Mahnken, Robyn A Honea, Heather M Wilkins, William M Brooks, Sandra A Billinger, Russell H Swerdlow, Jeffrey M Burns
BACKGROUND: There is increasing interest in the role of physical exercise as a therapeutic strategy for individuals with Alzheimer's disease (AD). We assessed the effect of 26 weeks (6 months) of a supervised aerobic exercise program on memory, executive function, functional ability and depression in early AD. METHODS AND FINDINGS: This study was a 26-week randomized controlled trial comparing the effects of 150 minutes per week of aerobic exercise vs. non-aerobic stretching and toning control intervention in individuals with early AD...
2017: PloS One
https://www.readbyqxmd.com/read/28185158/outcome-measures-in-clinical-trials-for-multiple-sclerosis
#16
REVIEW
Caspar E P van Munster, Bernard M J Uitdehaag
Due to the heterogeneous nature of the disease, it is a challenge to capture disease activity of multiple sclerosis (MS) in a reliable and valid way. Therefore, it can be difficult to assess the true efficacy of interventions in clinical trials. In phase III trials in MS, the traditionally used primary clinical outcome measures are the Expanded Disability Status Scale and the relapse rate. Secondary outcome measures in these trials are the number or volume of T2 hyperintense lesions and gadolinium-enhancing T1 lesions on magnetic resonance imaging (MRI) of the brain...
February 9, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28184976/decreased-diastolic-ventricular-kinetic-energy-in-young-patients-with-fontan-circulation-demonstrated-by-four-dimensional-cardiac-magnetic-resonance-imaging
#17
Pia Sjöberg, Einar Heiberg, Pär Wingren, Jens Ramgren Johansson, Torsten Malm, Håkan Arheden, Petru Liuba, Marcus Carlsson
Four-dimensional (4D) flow magnetic resonance imaging (MRI) enables quantification of kinetic energy (KE) in intraventricular blood flow. This provides a novel way to understand the cardiovascular physiology of the Fontan circulation. In this study, we aimed to quantify the KE in functional single ventricles. 4D flow MRI was acquired in eleven patients with Fontan circulation (median age 12 years, range 3-29) and eight healthy volunteers (median age 26 years, range 23-36). Follow-up MRI after surgical or percutaneous intervention was performed in 3 patients...
February 10, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28181822/oncogenic-osteomalacia-role-of-ga-68-dotanoc-pet-ct-scan-in-identifying-the-culprit-lesion-and-its-management
#18
Deepa Singh, Mudalsha Ravina, Narvesh Kumar, Veeresh Dube, Utham Kumar K, Manish Dixit, Sanjay Gambhir
OBJECTIVES: The aim of this study was to evaluate role of (68)Ga-DOTANOC PET/CT scan in localization of culprit lesion for biopsy and required intervention (surgical excision/radiofrequency ablation) in patients with long standing oncogenic osteomalacia (OOM)/tumor induced osteomalacia (TIO). METHODS: 17 patients (08 male & 09 female) underwent (68)Ga-DOTANOC PET/CT scan. The patients referred with clinical and biochemical evidence of hypophosphatemia and raised Fibroblast Growth Factor-23 (FGF-23)...
February 9, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28181359/general-anesthesia-with-a-native-airway-for-patients-with-mucopolysaccharidosis-type-iii
#19
Mineto Kamata, Christopher McKee, Kristen V Truxal, Kevin M Flanigan, Kim L McBride, Shawn C Aylward, Joseph D Tobias, Marco Corridore
BACKGROUND: Mucopolysaccharidosis type III is a progressive disease with worsening airway, pulmonary, and cardiac involvement that may complicate anesthetic care. AIM: To prospectively evaluate the incidence of airway issues and complications during magnetic resonance imaging (MRI) and lumbar puncture (LP) during general anesthesia with a native airway for patients with mucopolysaccharidosis type III. METHOD: The study was a part of the natural history study...
February 8, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28179198/cesarean-scar-ectopic-pregnancy-laparoscopic-resection-and-total-scar-dehiscence-repair-a-case-report
#20
Sara Mahgoub, Victor Gabriele, Emilie Faller, Bruno Langer, Arnaud Wattiez, Lise Lecointre, Cherif Akladios
STUDY OBJECTIVE: Illustrate laparoscopic technique for resection of cesarean scar ectopic pregnancy, associated with isthmocele repair. DESIGN: Case report SETTING: Tertiary referral centre in Strasbourg, France. The study was approved by the local IRB. BACKGROUND: Cesarean scar pregnancy is a rare form of ectopic pregnancy. The major risk of this type of pregnancy is the early uterine rupture with massive bleeding and maternal life-threatening...
February 4, 2017: Journal of Minimally Invasive Gynecology
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