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https://www.readbyqxmd.com/read/29781101/feline-ureteral-obstructions-part-2-surgical-management
#1
REVIEW
D L Clarke
Feline obstructive ureteral disease will likely remain a common and frustrating cause of critical illness in cats for the foreseeable future. Since many cats are uraemic and cardiovascularly unstable secondary to obstructive nephropathy, prompt recognition using clinical intuition, blood work and diagnostic imaging is essential to make a timely diagnosis and decision about timing for intervention, if indicated. Multiple surgical and interventional procedures exist for the management of feline ureteral obstructions but there is no ideal technique and all currently available procedures carry risk of infection, re-obstruction, urine leakage and the need for additional procedures in the future...
May 20, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29780209/near-infrared-fluorescence-image-guidance-in-plastic-surgery-a-systematic-review
#2
REVIEW
Anouk J M Cornelissen, Tom J M van Mulken, Caitlin Graupner, Shan S Qiu, Xavier H A Keuter, René R W J van der Hulst, Rutger M Schols
Background: Near-infrared fluorescence (NIRF) imaging technique, after administration of contrast agents with fluorescent characteristics in the near-infrared (700-900 nm) range, is considered to possess great potential for the future of plastic surgery, given its capacity for perioperative, real-time anatomical guidance and identification. This study aimed to provide a comprehensive literature review concerning current and potential future applications of NIRF imaging in plastic surgery, thereby guiding future research...
2018: European Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29779650/streamlined-method-for-anchoring-cataract-surgery-and-intraocular-lens-centration-on-the-patient-s-visual-axis
#3
Vance Thompson
I describe an intraoperative method for the consistent anchoring of the intraocular lens (IOL) and cataract surgery and on the patient's visual axis using coaxial microscope optics, surgeon-guided patient fixation, the precision pulse capsulotomy (PPC) device (Zepto) and utilizing the first (and fourth) Purkinje images. During surgery using a microscope with coaxial lights and optics, the patient is instructed to fixate on a given microscope light while the surgeon looks through the corresponding coaxial eyepiece...
May 17, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29779158/diffusion-weighted-magnetic-resonance-enterography-for-prediction-of-response-to-tumor-necrosis-factor-inhibitors-in-stricturing-crohn-s-disease
#4
Marianne M Amitai, Eyal Klang, Asaf Levartovsky, Noa Rozendorn, Shelly Soffer, Gadeer Ali Taha, Bella Ungar, Tomer Greener, Shomron Ben-Horin, Rami Eliakim, Uri Kopylov
BACKGROUND AND AIMS: Distinguishing between fibrotic and inflammatory strictures in Crohn's disease (CD) is still challenging. The capacity of diffusion-weighted (DWI) magnetic resonance (MRE) to identify intestinal fibrosis was recently demonstrated; however, the therapeutic implications of this association have never been evaluated. The aim of the current study was to identify imaging features, including DWI, which can predict response to anti-inflammatory treatment in patients with stricturing CD...
May 19, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29777357/optimizing-the-image-of-fluorescence-cholangiography-using-icg-a-systematic-review-and-ex-vivo-experiments
#5
Jacqueline van den Bos, Fokko P Wieringa, Nicole D Bouvy, Laurents P S Stassen
BACKGROUND: Though often only briefly described in the literature, there are clearly factors that have an influence on the fluorescence intensity, and thereby the usefulness of the technique. This article aims to provide an overview of the factors influencing the fluorescence intensity of fluorescence imaging with Indocyanine green, primarily focussed on NIRF guided cholangiography. METHODS: A systematic search was conducted to gain an overview of currently used methods in NIRF imaging in laparoscopic cholecystectomies...
May 18, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29775155/long-term-surgical-outcomes-following-transsphenoidal-surgery-in-patients-with-rathke-s-cleft-cysts
#6
Michelle Lin, Michelle A Wedemeyer, Daniel Bradley, Daniel A Donoho, Vance L Fredrickson, Martin H Weiss, John D Carmichael, Gabriel Zada
OBJECTIVE Rathke's cleft cysts (RCCs) are benign epithelial lesions of the sellar region typically treated via a transsphenoidal approach with cyst fenestration and drainage. At present, there is limited evidence to guide patient selection for operative treatment. Furthermore, there is minimal literature describing factors contributing to cyst recurrence. METHODS The authors conducted a retrospective analysis of 109 consecutive cases of pathology-confirmed RCCs treated via a transsphenoidal approach at a single center from 1995 to 2016...
May 18, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29770306/the-role-of-interventional-radiology-in-the-treatment-of-epiphora
#7
REVIEW
Francesca Patella, Silvia Panella, Stefania Zannoni, Maria Laura Jannone, Filippo Pesapane, Salvatore Alessio Angileri, Sara Sbaraini, Anna Maria Ierardi, Simone Soldi, Giuseppe Franceschelli, Gianpaolo Carrafiello
Epiphora is a relatively common ophthalmologic affection representing almost 5% of clinical consultations in ophthalmology and it consists in the complete or partial obstruction of nasolacrimal duct, leading to insufficient drainage of tears. The traditional treatment is represented by surgery namely, external dacryocystorhinostomy (DCR). Despite the high success rate DCR has many disadvantages and limitations since it requires general anesthesia, it may arise in a permanent facial scar and it is often affected by the reobstruction of the anastomotic tract by fibrotic scars and osteogenic activity...
April 2018: Gland Surgery
https://www.readbyqxmd.com/read/29768701/management-of-early-pouch-related-septic-complications-in-ulcerative-colitis-systematic-review
#8
REVIEW
Guy H T Worley, Jonathan P Segal, Janindra Warusavitarne, Susan K Clark, Omar D Faiz
INTRODUCTION: It is well established that ileoanal pouch-related septic complications (PRSC) increase the risk of pouch failure. There are a number of publications that describe the management of early PRSC in ulcerative colitis (UC) in small series. This article aims to systematically review and summarise the relevant contemporary data on this subject and provide an algorithm for the management of early PRSC. METHOD: A systematic review was undertaken in accordance with PRISMA guidelines...
May 16, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29768067/the-development-of-fluorescence-guided-surgery-for-pancreatic-cancer-from-bench-to-clinic
#9
Thinzar M Lwin, Robert M Hoffman, Michael Bouvet
Surgeons face major challenges in achieving curative R0 resection for pancreatic cancers. When the lesion is localized, they must appropriately visualize the tumor, determine appropriate resection margins, and ensure complete tumor clearance. Real-time surgical navigation using fluorescence-guidance has enhanced the ability of surgeons to see the tumor and has the potential to assist in achieving more oncologically-complete resections. When there is metastatic disease, fluorescence enhancement can help detect these lesions and prevent unnecessary and futile surgeries...
May 16, 2018: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/29766581/corannulene-incorporated-aie-nanodots-with-highly-suppressed-nonradiative-decay-for-boosted-cancer-phototheranostics-in-vivo
#10
Xinggui Gu, Xiaoyan Zhang, Huili Ma, Shaorui Jia, Pengfei Zhang, Yanjun Zhao, Qian Liu, Jianguo Wang, Xiaoyan Zheng, Jacky W Y Lam, Dan Ding, Ben Zhong Tang
Fluorescent nanoparticles (NPs) based on luminogens with aggregation-induced emission characteristic (AIEgens), namely AIE dots, have received wide attention because of their antiquenching attitude in emission and reactive oxygen species (ROS) generation when aggregated. However, few reports are available on how to control and optimize their fluorescence and ROS generation ability. Herein, it is reported that enhancing the intraparticle confined microenvironment is an effective approach to advanced AIE dots, permitting boosted cancer phototheranostics in vivo...
May 16, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29766231/available-bone-morphology-and-status-of-neural-structures-in-the-mandibular-interforaminal-region-three-dimensional-analysis-of-anatomical-structures
#11
Duygu Goller Bulut, Emre Köse
PURPOSE: This study aimed to clarify the size and morphology of the mandible and to determine state of neural structures for the planning of the dental implantation using cone-beam computerized tomography (CBCT). METHODS: Of the 252 patients, CBCT images of 48 selected patients were evaluated. The bone height and width were measured and the type of the mental portion of the inferior alveolar canal, the anterior loop length (ALL), the location of the incisive canal and lingual foramen were identified with cross-sectional and multiplane reformatted CBCT images...
May 15, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29764458/cone-beam-computed-tomography-in-implant-dentistry-recommendations-for-clinical-use
#12
Reinhilde Jacobs, Benjamin Salmon, Marina Codari, Bassam Hassan, Michael M Bornstein
BACKGROUND: In implant dentistry, three-dimensional (3D) imaging can be realised by dental cone beam computed tomography (CBCT), offering volumetric data on jaw bones and teeth with relatively low radiation doses and costs. The latter may explain why the market has been steadily growing since the first dental CBCT system appeared two decades ago. More than 85 different CBCT devices are currently available and this exponential growth has created a gap between scientific evidence and existing CBCT machines...
May 15, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29764258/reference-less-mr-thermometry-on-pre-clinical-thiel-human-cadaver-for-liver-surgery-with-mrgfus
#13
Ioannis Karakitsios, Senay Mihcin, Andreas Melzer
PURPOSE: Reference-less MR thermometry can be a promising technique for temperature mapping during liver treatment with Magnetic Resonance-guided Focused Ultrasound (MRgFUS), as it is more robust to breathing motion than Proton Resonance Frequency MR thermometry. However, there is a lack of a pre-clinical model for repeatable testing of reference-less thermometry. The purpose of this work was to verify the explanted Thiel embalmed human liver and whole Thiel embalmed human cadaver for application of a custom made reference-less thermometry algorithm during MRgFUS sonication...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29764028/-application-of-3d-virtual-reality-technology-with-multi-modality-fusion-in-resection-of-glioma-located-in-central-sulcus-region
#14
T N Chen, X T Yin, X G Li, J Zhao, L Wang, N Mu, K Ma, K Huo, D Liu, B Y Gao, H Feng, F Li
Objective: To explore the clinical and teaching application value of virtual reality technology in preoperative planning and intraoperative guide of glioma located in central sulcus region. Method: Ten patients with glioma in the central sulcus region were proposed to surgical treatment. The neuro-imaging data, including CT, CTA, DSA, MRI, fMRI were input to 3dgo sczhry workstation for image fusion and 3D reconstruction. Spatial relationships between the lesions and the surrounding structures on the virtual reality image were obtained...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29761149/how-spyglass%C3%A2-may-impact-endoscopic-retrograde-cholangiopancreatography-practice-and-patient-management
#15
Pedro Pereira, Filipe Vilas-Boas, Armando Peixoto, Patrícia Andrade, Joanne Lopes, Guilherme Macedo
Introduction: Cholangiopancreatoscopy with SpyGlass™ Direct Visualization System (SGDVS) is being used in specialized centers for improving the sensitivity of endoscopic retrograde cholangiopancreatography (ERCP) in patients with indeterminate pancreatobiliary strictures (PBS). The aims of this study were to report our initial experience with SGDVS in the evaluation of indeterminate PBS, and discuss the improvements of ERCP brought by this technique in our center. Methods: The usefulness of SGDVS in patients with indeterminate PBS (defined after nondiagnostic previous ERCP with brush cytology) was evaluated in a prospective observational cohort study conducted at a single tertiary biliopancreatic unit...
April 2018: GE Portuguese Journal of Gastroenterology
https://www.readbyqxmd.com/read/29760976/glioblastoma-cells-labeled-by-robust-raman-tags-for-enhancing-imaging-contrast
#16
Li-Ching Huang, Yung-Ching Chang, Yi-Syuan Wu, Wei-Lun Sun, Chan-Chuan Liu, Chun-I Sze, Shiuan-Yeh Chen
Complete removal of a glioblastoma multiforme (GBM), a highly malignant brain tumor, is challenging due to its infiltrative characteristics. Therefore, utilizing imaging agents such as fluorophores to increase the contrast between GBM and normal cells can help neurosurgeons to locate residual cancer cells during image guided surgery. In this work, Raman tag based labeling and imaging for GBM cells in vitro is described and evaluated. The cell membrane of a GBM adsorbs a substantial amount of functionalized Raman tags through overexpression of the epidermal growth factor receptor (EGFR) and "broadcasts" stronger pre-defined Raman signals than normal cells...
May 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29757560/-application-of-image-guided-technique-in-rhino-orbital-related-endoscopic-surgery
#17
Jin Mei Xue, Yuan Hui Li, Yan Ting Zhang, Fang Ling Guan, Li He Duan, Chang Qing Zhao
Objective: To review retrospectively six cases of rhino-orbital related endoscopic surgeries aided by Fusion electromagnetic system,to explore the indications and clinical value of image guided technique in endonasal endoscopic surgery. Method: Retrospective research methods were used.In this study,six cases of nasal endoscopic sinus surgery using Fusion electromagnetic system were analyzed,including 1 nasal penetrating foreign body,2 optic nerve decompressions,1 orbital apex hemangioma,1 sieve frontal sinus cyst,1 intraorbital mass biopsy...
January 20, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29752048/assessment-of-regional-asymmetry-of-the-face-before-and-after-surgical-correction-of-unilateral-cleft-lip
#18
Dhelal Al-Rudainy, Xiangyang Ju, Steve Stanton, Felicity V Mehendale, Ashraf Ayoub
This study was carried out on 26 unilateral cleft lip and palate (UCLP) cases with mean age 3.6 ± 0.7 months.3D facial images were captured for each infant 2-3 days before the repair of cleft lip and at 4 months following surgery at a mean age of 8.2 ± 1.8 months, using a stereophotogrammetry imaging system. An iterative closest point (ICP) algorithm was used to superimpose the 3D facial model to its mirror image using VRMesh software. After the superimposition, the face model was divided into seven anatomical regions...
April 6, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29749916/image-guidance-and-improved-accuracy-of-external-ventricular-drain-tip-position-particularly-in-patients-with-small-ventricles
#19
Anan Shtaya, Joy Roach, Ahmed-Ramadan Sadek, Benjamin Gaastra, Jonathan Hempenstall, Diederik Bulters
OBJECTIVE External ventricular drain (EVD) insertion is one of the most common emergency neurosurgical procedures. EVDs are traditionally inserted freehand (FH) in an emergency setting, but often result in suboptimal positioning. Image-guided surgery (IGS) is selectively used to assist placement. However, the accuracy and practicality of IGS use is yet to be reported. In this study, the authors set out to assess if IGS is practical and improves the accuracy of EVD placement. METHODS Case notes and images obtained in patients who underwent frontal EVD placement were retrospectively reviewed...
May 11, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29749069/novel-navigation-system-by-augmented-reality-technology-using-a-tablet-pc-for-hepatobiliary-and-pancreatic-surgery
#20
Jungo Yasuda, Tomoyoshi Okamoto, Shinji Onda, Yasuro Futagawa, Katsuhiko Yanaga, Naoki Suzuki, Asaki Hattori
BACKGROUND: We previously developed an image-guided navigation system (IG-NS) using augmented reality technology for hepatobiliary and pancreatic (HBP) surgery. This system superimposed a 3D model onto a stereoscope-captured surgical field (i.e., the scope method). Unfortunately, this method requires an expensive stereoscope, surgeons have to shift their eyesight away from the surgical field, and the method has poor controllability. Therefore, an IG-NS using a tablet PC (i.e., the tablet method) was developed...
May 11, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
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