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Jae Hyun Yoo, Yunhye Oh, Byongsu Jang, Jihye Song, Jiwon Kim, Seonwoo Kim, Jiyoung Lee, Hye-Yeon Shin, Jeong-Yi Kwon, Yun-Hee Kim, Bumseok Jeong, Yoo-Sook Joung
Objective: Equine-assisted activities and therapy (EAA/T) have been used as adjunct treatment options for physical and psychosocial rehabilitation. However, the therapeutic effects on resting-state brain function have not yet been studied. The aim of this study is to investigate the effects of EAA/T on participants with attention-deficit/hyperactivity disorder (ADHD) by comparing resting-state functional magnetic resonance imaging (rs-fMRI) signals and their clinical correlates. Methods: Ten participants with ADHD participated in a 12-week EAA/T program without any medication...
November 30, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
Cole R Drifka, Agnes G Loeffler, Kara Mathewson, Adib Keikhosravi, Jens C Eickhoff, Yuming Liu, Sharon M Weber, W John Kao, Kevin W Eliceiri
Risk factors for pancreatic ductal adenocarcinoma (PDAC) progression after surgery are unclear, and additional prognostic factors are needed to inform treatment regimens and therapeutic targets. PDAC is characterized by advanced sclerosis of the extracellular matrix, and interactions between cancer cells, fibrillar collagen, and other stromal components play an integral role in progression. Changes in stromal collagen alignment have been shown to modulate cancer cell behavior and have important clinical value in other cancer types, but little is known about its role in PDAC and prognostic value...
October 20, 2016: Oncotarget
Shi Gao, Guohao Wang, Zainen Qin, Xiangyu Wang, Guoqing Zhao, Qingjie Ma, Lei Zhu
Photodynamic therapy (PDT) is a promising tumor treatment modality that can convert oxygen into cytotoxic singlet oxygen (SO) via photosensitizer to ablate tumor growth. However, the uncontrolled cancer cell proliferation during tumor development and the oxygen consumption during PDT always result in an insufficient oxygen level in tumors, which can adversely affect the PDT efficiency in turn. We designed an oxygen-generating PDT nanocomplex by encapsulating a manganese dioxide nanoparticle (MnO2 NP) in an indocyanine green (ICG) modified hyaluronic acid nanoparticle (HANP) to overcome this limitation...
October 19, 2016: Biomaterials
E Auvinet, F Multon, V Manning, J Meunier, J P Cobb
Gait asymmetry information is a key point in disease screening and follow-up. Constant Relative Phase (CRP) has been used to quantify within-stride asymmetry index, which requires noise-free and accurate motion capture, which is difficult to obtain in clinical settings. This study explores a new index, the Longitudinal Asymmetry Index (ILong) which is derived using data from a low-cost depth camera (Kinect). ILong is based on depth images averaged over several gait cycles, rather than derived joint positions or angles...
August 24, 2016: Gait & Posture
Patrizia Carità, Egle Corrado, Gianluca Pontone, Antonio Curnis, Luca Bontempi, Giuseppina Novo, Marco Guglielmo, Gianfranco Ciaramitaro, Pasquale Assennato, Salvatore Novo, Giuseppe Coppola
BACKGROUND: Cardiac resynchronization therapy (CRT) is a successful strategy for heart failure (HF) patients. The pre-requisite for the response is the evidence of electrical dyssynchrony on the surface electrocardiogram usually as left bundle branch block (LBBB). Non-response to CRT is a significant problem in clinical practice. Patient selection, inadequate delivery and sub-optimal left ventricle lead position may be important causes. OBJECTIVES: In an effort to improve CRT response multimodality imaging (especially echocardiography, computed tomography and cardiac magnetic resonance) could play a decisive role and extensive literature has been published on the matter...
September 17, 2016: International Journal of Cardiology
Ulrike Herberg, Katharina Linden, Oliver Dewald, Eva Gatzweiler, Matthias Seehase, Georg Daniel Duerr, Jonas Dörner, Stephanie Kleppe, Dennis Ladage, Johannes Breuer
BACKGROUND: Pressure-volume loops (PVL) provide vital information regarding ventricular performance and pathophysiology in cardiac disease. Unfortunately, acquisition of PVL by conductance technology is not feasible in neonates and small children due to the available human catheter size and resulting invasiveness. The aim of the study was to validate the accuracy of PVL in small hearts using volume data obtained by real-time three-dimensional echocardiography (3DE) and simultaneously acquired pressure data...
2016: PloS One
Catherine Mazzola, Lissa C Baird, David F Bauer, Alexandra Beier, Susan Durham, Paul Klimo, Alexander Y Lin, Catherine McClung-Smith, Laura Mitchell, Dimitrios Nikas, Mandeep S Tamber, Rachana Tyagi, Ann Marie Flannery
BACKGROUND: No evidence-based guidelines exist for the imaging of patients with positional plagiocephaly. OBJECTIVE: The objective of this systematic review and evidence-based guideline is to answer the question, Is imaging necessary for infants with positional plagiocephaly to make a diagnosis? METHODS: The National Library of Medicine Medline database and the Cochrane Library were queried with the use of MeSH headings and key words relevant to imaging as a means to diagnose plagiocephaly...
November 2016: Neurosurgery
Naveen G Reddy, Sharad Nangia, Matthew J DiMagno
OBJECTIVES: Epidemiological studies utilizing administrative databases use the International Classification of Diseases, Ninth Revision, Clinical Modification code (577.1) to identify patients with chronic pancreatitis (CP). We hypothesized that coding of CP in these databases is inaccurate. METHODS: We retrospectively reviewed the records of 1343 consecutive patients having an International Classification of Diseases, Ninth Revision, Clinical Modification code 577...
October 2016: Pancreas
Nanami Okano, Mamoru Niitsu, Junji Tanaka, Takahiro Sasaki, Kazushi Takahashi, Nobuo Araki, Toshimasa Yamamoto, Shintaro Nakano, Shigeyuki Nishimura, Takaaki Senbonmatsu, Ichiro Matsunari
PURPOSE: The aim of our study was to evaluate the use of dopamine transporter (DAT) SPECT and I-MIBG myocardial scintigraphy to determine the clinical severity of Parkinson disease (PD), with a focus on motor impairments affecting activities of daily living (ADLs). METHODS: Data for 65 consecutive PD patients who underwent both DAT and MIBG imaging were reviewed. Associations between imaging variables and Hoehn and Yahr (H&Y) staging or self-supportive care ratings were investigated...
October 21, 2016: Clinical Nuclear Medicine
Tessa Brabander, Jaap Teunissen, Dik Kwekkeboom
PURPOSE: Physiological uptake in the uncinate process or pancreatic head has been described with Ga-labeled PET tracers for somatostatin receptor imaging. In-DTPA-octreotide is the only registered radiopharmaceutical for the imaging of neuroendocrine tumors. We studied the uptake in this region of the pancreatic head on somatostatin receptor scintigraphy (SRS) using In-DTPA-octreotide in a large group of patients. Furthermore, known physiological and clinical characteristics are discussed in an attempt to elucidate this phenomenon...
October 21, 2016: Clinical Nuclear Medicine
Clément Drouet, Olivier Morel, Hatem Boulahdour
FDG PET/CT has high sensitivity and specificity for the detection of distant metastases from cutaneous melanoma. Imaging is recommended for patients with clinical suspicion of metastasis and should be considered for those with confirmed sentinel lymph node metastasis. Metastatic melanoma bears a poor prognosis. Only a complete resection improves survival, which explains the need to detect potentially unresectable disease, and most metastatic patients are ineligible for a curative surgical procedure. Here, FDG PET/CT demonstrated isolated bilateral adrenal metastases from melanoma of unknown primary...
October 21, 2016: Clinical Nuclear Medicine
Samuel Y Ash, Alejandro A Diaz
PURPOSE OF REVIEW: The present review aims to summarize the most recent evidence related to imaging and severe asthma, both with regard to advances in imaging research and to their current and potential clinical implications. RECENT FINDINGS: Recent work in imaging in severe asthma has principally been using computed tomography (CT) and MRI, as well as the integration of the two. Some of the most notable findings include the use of CT imaging biomarkers to create unique clusters of asthmatics, and the use of co-registration to link CT images of airways with regional variation in ventilation in MRI...
October 20, 2016: Current Opinion in Pulmonary Medicine
Paul S Sheeran, Naomi Matsuura, Mark A Borden, Ross Williams, Terry O Matsunaga, Peter N Burns, Paul A Dayton
Continued advances in the field of ultrasound and ultrasound contrast agents have created new approaches to imaging and medical intervention. Phase-shift perfluorocarbon droplets, which can be vaporized by ultrasound energy to transition from the liquid to the vapor state, are one of the most highly researched alternatives to clinical ultrasound contrast agents (i.e. microbubbles). In this review, part of a special issue on methods in biomedical ultrasonics, we survey current techniques to prepare ultrasound-activated nanoscale phase-shift perfluorocarbon droplets, including sonication, extrusion, homogenization, microfluidics, and microbubble condensation...
October 20, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Hye Jin Yoo, Sung Hwan Hong, Hye Yeon Oh, Ja-Young Choi, Hee Dong Chae, Joong Mo Ahn, Heung Sik Kang
Purpose To determine the agreement of fat-suppressed (FS) fluid-attenuated inversion-recovery (FLAIR) magnetic resonance (MR) imaging and contrast material-enhanced (CE) T1-weighted MR imaging for the assessment of peripatellar synovitis. Materials and Methods The institutional review board approved this retrospective study and waived the requirement for patient informed consent. Thirty-three patients with knee pain underwent 3-T MR imaging. The protocol consisted of routine clinical sequences followed by the FLAIR FS sequence (inversion time, 2200 msec) and CE T1-weighted imaging...
October 24, 2016: Radiology
Y Liu, Z-X Zhang
OBJECTIVE: Precision medicine is a personalized disease prevention and treatment program combining modern genetic technology, molecular imaging techniques, and biological information with patients' living environment and clinical data, for accurate classification and diagnosis of diseases. CASE REPORT: Our study presents the case of a 7-year-old female patient with clinical manifestations of growth hormone (GH) deficiency. After treatment with recombinant human GH for 2 years, the patient showed a reduced growth rate...
October 2016: European Review for Medical and Pharmacological Sciences
F Franceschi, S Togni, G Belcaro, M Dugall, R Luzzi, A Ledda, L Pellegrini, R Eggenhoffner, L Giacomelli
OBJECTIVE: Several experimental studies and clinical trials support the potential of Boswellia serrata extracts (BSE) for the treatment of various inflammatory diseases. The aim of this registry study was to assess the safety and the efficacy of a novel lecithin-based delivery form of Boswellia serrata extract (Casperome®) in the supportive management of osteo-muscular pain. PATIENTS AND METHODS: 52 healthy young rugby players with acute knee pain and inflammation were recruited...
October 2016: European Review for Medical and Pharmacological Sciences
Famke Aeffner, Nathan T Martin, Mirza Peljto, Joshua C Black, Justin K Major, Maryam Jangani, Michael O Ports, Joseph S Krueger, G David Young
Tissue image analysis (tIA) is emerging as a powerful tool for quantifying biomarker expression and distribution in complex diseases and tissues. Pancreatic ductal adenocarcinoma (PDAC) develops in a highly complex and heterogeneous tissue environment and, generally, has a very poor prognosis. Early detection of PDAC is confounded by limited knowledge of the pre-neoplastic disease stages and limited methods to quantitatively assess disease heterogeneity. We sought to develop a tIA approach to assess the most common PDAC precursor lesions, pancreatic intraepithelial neoplasia (PanIN), in tissues from Kras(LSL-G12D/+); Trp53(LSL-R172H/+); Pdx-Cre (KPC) mice, a validated model of PDAC development...
October 24, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
Mohammed El Hassouni, Abdessamad Tafraouti, Hechmi Toumi, Eric Lespessailles, Rachid Jennane
Osteoporosis diagnosis has attracted particular attention in recent decades. Textured images from the microarchitecture of osteoporotic and healthy subjects show a high degree of similarity, increasing the difficulty of classifying such textures. Thus, the evaluation of osteoporosis from bone X-ray images presents a major challenge for pattern recognition and medical applications. The purpose of this paper is to use the fractional Brownian motion (fBm) model and the Probability Density Function (PDF) of its increments to compute a similarity measure with the Rao geodesic distance to classify trabecular bone X-ray images...
October 19, 2016: IEEE Journal of Biomedical and Health Informatics
Naeim Bahrami, Dev Sharma, Scott Rosenthal, Elizabeth M Davenport, Jillian E Urban, Benjamin Wagner, Youngkyoo Jung, Christopher G Vaughan, Gerard A Gioia, Joel D Stitzel, Christopher T Whitlow, Joseph A Maldjian
Purpose To examine the effects of subconcussive impacts resulting from a single season of youth (age range, 8-13 years) football on changes in specific white matter (WM) tracts as detected with diffusion-tensor imaging in the absence of clinically diagnosed concussions. Materials and Methods Head impact data were recorded by using the Head Impact Telemetry system and quantified as the combined-probability risk-weighted cumulative exposure (RWECP). Twenty-five male participants were evaluated for seasonal fractional anisotropy (FA) changes in specific WM tracts: the inferior fronto-occipital fasciculus (IFOF), inferior longitudinal fasciculus, and superior longitudinal fasciculus (SLF)...
October 24, 2016: Radiology
S Møller-Bisgaard, B J Ejbjerg, I Eshed, K Hørslev-Petersen, M L Hetland, A G Jurik, H Thomsen, T Torfing, K Stengaard-Pedersen, P Junker, N S Krogh, T Lottenburger, T Ellingsen, L S Andersen, H Skjødt, A J Svendsen, U Tarp, I T Hansen, J Pødenphant, J K Pedersen, H Lindegaard, L G Hanson, A Vestergaard, D Glinatsi, M Østergaard
OBJECTIVES: To investigate whether a treat-to-target strategy based on methotrexate (MTX) and intra-articular (IA) betamethasone suppresses magnetic resonance imaging (MRI)-determined measures of disease activity and reduces joint destruction in early rheumatoid arthritis (eRA) patients, and to investigate whether concomitant cyclosporin A (CyA) provides an additional effect. METHOD: In the 2-year randomized, double-blind, treat-to-target trial CIMESTRA, 160 patients with eRA (< 6 months) were randomized to MTX, intra-articular betamethasone and CyA, or placebo CyA...
October 24, 2016: Scandinavian Journal of Rheumatology
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