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Electromagnetic Navigation

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https://www.readbyqxmd.com/read/29614893/cerebral-artery-gas-embolism-following-navigational-bronchoscopy
#1
Keren Fogelfeld, Richie K Rana, Guy W Soo Hoo
INTRODUCTION: Cerebral artery gas embolism (CAGE) is a rare but serious adverse event with potentially devastating neurologic sequelae. Bronchoscopy is a frequently performed procedure but with only a few reported cases of CAGE. METHODS: We report the first documented case of CAGE associated with electromagnetic navigational bronchoscopy. RESULTS: A 61-year-old man with a left lower lobe nodule underwent electromagnetic navigational bronchoscopy...
January 1, 2018: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/29581760/a-new-and-safe-mode-of-ventilation-for-interventional-pulmonary-medicine-the-ease-of-nasal-superimposed-high-frequency-jet-ventilation
#2
Wolfgang Hohenforst-Schmidt, Paul Zarogoulidis, Haidong Huang, Yan-Gao Man, Stella Laskou, Charilaos Koulouris, Dimitris Giannakidis, Stylianos Mantalobas, Maria C Florou, Aikaterini Amaniti, Michael Steinheimer, Anil Sinha, Lutz Freitag, J Francis Turner, Robert Browning, Thomas Vogl, Andrei Roman, Naim Benhassen, Isaak Kesisoglou, Konstantinos Sapalidis
We use pulmonary interventional procedures for the diagnosis of pulmonary diseases either for benign or malignant lesions. Flexible bronchoscopy with or without radial endobronchial ultrasound, convex-probe endobronchial ultrasound and electromagnetic navigation are procedures performed in centers with experience in diagnostic pulmonary medicine. The method of sedation and ventilation is very important in order to avoid or handle with success complications. Proper respiration during pulmonary (or other interventional) procedures is a key factor...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29575601/three-dimensional-augmented-reality-surgical-navigation-with-hybrid-optical-and-electromagnetic-tracking-for-distal-intramedullary-nail-interlocking
#3
Longfei Ma, Zhe Zhao, Boyu Zhang, Weipeng Jiang, Ligong Fu, Xinran Zhang, Hongen Liao
BACKGROUND: Intramedullary nail (IMN) fixation improves functional outcomes for the diaphyseal fractures of long bones. However, locking the distal holes of the IMN is challenging. Although several navigation methods have been proposed, an intuitive, radiation-free and accurate navigation method that does not suffer from problems of hand-eye coordination has not yet been described. METHODS: This paper proposes an augmented reality (AR) surgical navigation method with hybrid optical and electromagnetic (EM) tracking for distal IMN interlocking...
March 25, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29487889/probabilistic-visual-and-electromagnetic-data-fusion-for-robust-drift-free-sequential-mosaicking-application-to-fetoscopy
#4
Marcel Tella-Amo, Loic Peter, Dzhoshkun I Shakir, Jan Deprest, Danail Stoyanov, Juan Eugenio Iglesias, Tom Vercauteren, Sebastien Ourselin
The most effective treatment for twin-to-twin transfusion syndrome is laser photocoagulation of the shared vascular anastomoses in the placenta. Vascular connections are extremely challenging to locate due to their caliber and the reduced field-of-view of the fetoscope. Therefore, mosaicking techniques are beneficial to expand the scene, facilitate navigation, and allow vessel photocoagulation decision-making. Local vision-based mosaicking algorithms inherently drift over time due to the use of pairwise transformations...
April 2018: Journal of Medical Imaging
https://www.readbyqxmd.com/read/29486178/robotic-endoscopic-airway-challenge-reach-assessment
#5
Alexander C Chen, Colin T Gillespie
PURPOSE: Bronchoscopy for peripheral pulmonary lesions continues to present challenges to clinicians. One potential limitation may be the inability to advance conventional bronchoscopes into close proximity of peripheral lesions prior to biopsy. This study was performed to assess the reach of a robotic endoscopic system within human cadaveric lungs compared to conventional thin bronchoscopes. DESCRIPTION: All segmental bronchi (RB1-10, LB1-10) were accessed in two human cadavers using a conventional thin bronchoscope and robotic endoscope of identical outer diameter...
February 24, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29473313/vectorial-localization-of-peripheral-pulmonary-lesion-guided-by-electromagnetic-navigation-a-novel-method-for-diagnostic-surgical-resection-without-dye-marking
#6
Tong Qiu, Baohua Yu, Yunpeng Xuan, Haihong Luan, Wenjie Jiao
We describe a novel method using electromagnetic navigation bronchoscopy (ENB) without dye marking to perform vectorial localization for an impalpable peripheral lesion in the right lower lobe during diagnostic surgical resection in a 52-year-old woman. After the ENB registration process, the anesthetist changed the single-lumen endotracheal tube to a double-lumen endobronchial tube. Guided by the ENB system, the operator delivered the probe of the locatable guide to the planned site through the right lumen of the endobronchial tube...
February 23, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29435744/design-and-implementation-of-an-electromagnetic-ultrasound-based-navigation-technique-for-laparoscopic-ablation-of-liver-tumors
#7
Iwan Paolucci, Marius Schwalbe, Gian Andrea Prevost, Anja Lachenmayer, Daniel Candinas, Stefan Weber, Pascale Tinguely
BACKGROUND: Efficient laparoscopic ablation of liver tumors relies on precise tumor visualization and accurate positioning of ablation probes. This study evaluates positional accuracy and procedural efficiency of a dynamic navigation technique based on electromagnetic-tracked laparoscopic ultrasound (ELUS) for laparoscopic ablation of liver tumors. METHODS: The proposed navigation approach combines intraoperative 2D ELUS-based planning for navigated positioning of ablation probes, with immediate 3D ELUS-based validation of intrahepatic probe position...
February 12, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29433709/state-of-the-art-modalities-for-peripheral-lung-nodule-biopsy
#8
REVIEW
Satish Kalanjeri, Robert C Holladay, Thomas R Gildea
Lung nodules are being increasingly detected, particularly with lung cancer screening with low-dose computed tomography. Although the vast majority of lung nodules are benign, many often require tissue diagnosis. Several modalities to obtain diagnostic tissue from peripheral lung nodules are available. Bronchoscopic modalities such as radial ultrasound and electromagnetic navigational bronchoscopy are becoming increasingly used because of their superior safety profile and improving diagnostic yield. Although these modalities continue to become more advanced, newer and complementary technologies appear promising...
March 2018: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/29406410/techniques-for-interventional-mri-guidance-in-closed-bore-systems
#9
Harald Busse, Thomas Kahn, Michael Moche
Efficient image guidance is the basis for minimally invasive interventions. In comparison with X-ray, computed tomography (CT), or ultrasound imaging, magnetic resonance imaging (MRI) provides the best soft tissue contrast without ionizing radiation and is therefore predestined for procedural control. But MRI is also characterized by spatial constraints, electromagnetic interactions, long imaging times, and resulting workflow issues. Although many technical requirements have been met over the years-most notably magnetic resonance (MR) compatibility of tools, interventional pulse sequences, and powerful processing hardware and software-there is still a large variety of stand-alone devices and systems for specific procedures only...
February 2018: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/29402731/electromagnetic-navigated-condylar-positioning-after-high-oblique-sagittal-split-osteotomy-of-the-mandible-a-guided-method-to-attain-pristine-temporomandibular-joint-conditions
#10
Moritz Berger, Igor Nova, Sebastian Kallus, Oliver Ristow, Urs Eisenmann, Hartmut Dickhaus, Michael Engel, Christian Freudlsperger, Jürgen Hoffmann, Robin Seeberger
OBJECTIVES: Reproduction of the exact preoperative proximal-mandible position after osteotomy in orthognathic surgery is difficult to achieve. This clinical pilot study evaluated an electromagnetic (EM) navigation system for condylar positioning after high-oblique sagittal split osteotomy (HSSO). STUDY DESIGN: After HSSO as part of 2-jaw surgery, the position of 10 condyles was intraoperatively guided by an EM navigation system. As controls, 10 proximal segments were positioned by standard manual replacement...
December 29, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29399826/photodynamic-therapy-via-navigational-bronchoscopy-for-peripheral-lung-cancer-in-dogs
#11
Ali I Musani, Julia K Veir, Zheng Huang, Tim Lei, Steve Groshong, Deanna Worley
OBJECTIVE: In the setting of lung cancer, photodynamic therapy (PDT) is typically used to treat centrally located endobronchial tumors. The development of navigational bronchoscopy has opened the potential for using PDT to treat peripheral lung tumors. However, there is limited information about the feasibility of this approach for treating peripheral lung cancers, and about its effects on surrounding healthy lung tissue. We studied the use of PDT delivered by electromagnetic navigational bronchoscopy to treat peripheral lung cancer in dogs...
February 5, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29396843/use-of-electromagnetic-navigational-bronchoscopy-in-robotic-pulmonary-resection
#12
Patrick F Vining, Timothy M Lee, Costas S Bizekis, Michael D Zervos
Robotic resection of pulmonary lesions has become a more common approach in the field of thoracic surgery. The greatest drawback of robotic resection is the lack of tactile feedback as compared to open approaches, making identification of intrapulmonary lesion difficult. Electromagnetic navigational bronchoscopy (navibronch) enables pre-incisional marking of pulmonary lesions for intraoperative identification. We sought to determine how effective navibronch was in our institution's robotic cases. Thirty-one patients underwent robotically assisted resection of 35 lesions with the assistance of navibronch from 7/2014 to 9/2015...
February 2, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29278582/computer-assisted-surgery-virtual-and-augmented-reality-displays-for-navigation-during-urological-interventions
#13
Matthias N van Oosterom, Henk G van der Poel, Nassir Navab, Cornelis J H van de Velde, Fijs W B van Leeuwen
PURPOSE OF REVIEW: To provide an overview of the developments made for virtual- and augmented-reality navigation procedures in urological interventions/surgery. RECENT FINDINGS: Navigation efforts have demonstrated potential in the field of urology by supporting guidance for various disorders. The navigation approaches differ between the individual indications, but seem interchangeable to a certain extent. An increasing number of pre- and intra-operative imaging modalities has been used to create detailed surgical roadmaps, namely: (cone-beam) computed tomography, MRI, ultrasound, and single-photon emission computed tomography...
March 2018: Current Opinion in Urology
https://www.readbyqxmd.com/read/29277183/-diagnostic-utility-of-electromagnetic-navigation-bronchoscopy-combined-with-radial-probe-endobronchial-ultrasound-in-peripheral-pulmonary-lesions
#14
Haitao Huang, Shaomu Chen, Liangbin Pan, Ke Chen, Feirong Yao, Haitao Ma
BACKGROUND: With the application of high resolution computed tomography (CT), a large number of peripheral lung lesions were found. It put forward new challenge on clinical diagnosis and treatment for these peripheral lung lesions. Electromagnetic navigation bronchoscopy (ENB) and radial endobronchial ultrasound probe (R-EBUS) are new technologies used for the diagnosis of peripheral lung lesions. The aim of this study is to explore the application value of ENB combined with R-EBUS in the diagnosis of peripheral pulmonary lesions...
December 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/29276976/behavioural-phenotypes-in-mice-after-prenatal-and-early-postnatal-exposure-to-intermediate-frequency-magnetic-fields
#15
Kajal Kumari, Hennariikka Koivisto, Myles Capstick, Jonne Naarala, Matti Viluksela, Heikki Tanila, Jukka Juutilainen
Electromagnetic fields are ubiquitous in the environment. Human exposure to intermediate frequency (IF) fields is increasing due to applications like electronic article surveillance systems, wireless power transfer, and induction heating cooking hobs. However, there are limited data on possible health effects of exposure to IF magnetic fields (MF). In the present study, we set out to assess cognitive and behavioural effects of IF MF in mice exposed during prenatal and early postnatal periods. Pregnant female mice were exposed continuously to 7...
April 2018: Environmental Research
https://www.readbyqxmd.com/read/29224260/-ten-years-retrospective-review-of-the-application-of-digital-medical-technology-in-general-surgery-in-china
#16
C H Fang, Y Y Lau, W P Zhou, W Cai
Digital medical technology is a powerful tool which has forcefully promoted the development of general surgery in China. In this article, we reviews the application status of three-dimensional visualization and three-dimensional printing technology in general surgery, introduces the development situation of surgical navigation guided by optical and electromagnetic technology and preliminary attempt to combined with mixed reality applied to complicated hepatectomy, looks ahead the development direction of digital medicine in the era of artificial intelligence and big data on behalf of surgical robot and radiomics...
December 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29221268/the-introduction-of-electromagnetic-navigation-bronchoscopy-for-the-diagnosis-of-small-pulmonary-peripheral-lesions-in-an-asian-population
#17
Ye Gu, Shanhao Chen, Jingyun Shi, Chunyan Wu, Zongmei Wen, Hong Shi, Baomei Wu, Xin Xu, Hao Wang
Background: Electromagnetic navigation bronchoscopy (ENB) is emerging as a useful new technique for diagnosing small pulmonary peripheral lesions (SPPLs). However, the accuracy and efficiency of ENB have not been investigated in Asian populations where the differential diagnoses for SPPLs may be different. To analyze this question, this study included patients who received diagnostic ENB followed by surgery for the excision of SPPLs. Methods: Consecutive patients referred to the Department of Thoracic Surgery, Shanghai Pulmonary Hospital (Tongji University), between May 2014 and April 2015 were recruited...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29200086/benefits-of-electromagnetic-navigational-bronchoscopy-for-identifying-pulmonary-nodules-for-robotic-resections
#18
Stevan S Pupovac, Alexander Chaudhry, Vijay A Singh
OBJECTIVE: The ability to localize pulmonary nodules via the robotic thoracic technique can be challenging at times. This is most evident when nodules are small and/or ground glass in nature. Information regarding methods available to localize these difficult nodules, while maintaining a minimally invasive robotic approach, is limited. METHODS: We describe a diagnostic and therapeutic method of combining electromagnetic navigational bronchoscopy with a total minimally invasive robotic approach that identifies these difficult-to-localize pulmonary nodules...
November 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29179633/a-concept-for-electromagnetic-navigated-targeting-of-liver-tumors-using-an-angiographic-approach
#19
Marius Schwalbe, Tom Williamson, Iwan Paolucci, Torsten Fuss, Iris Baumgartner, Daniel Candinas, Stefan Weber, Pascale Tinguely
BACKGROUND: The benefits of using navigation technology for percutaneous local ablation of selected hepatocellular carcinoma (HCC) have been shown. Due to additional efforts in the procedural workflow, barriers to introducing navigation systems on a broad clinical level remain high. In this work, initial steps toward a novel concept for simple and precise targeting of HCC are evaluated. MATERIAL AND METHODS: The proposed technique is based on an angiographic approach using an intrahepatic electromagnetic (EM) reference, for consecutive percutaneous navigated positioning of ablation probes...
February 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29157382/diagnostic-imaging-and-newer-modalities-for-thoracic-diseases-pet-computed-tomographic-imaging-and-endobronchial-ultrasound-for-staging-and-its-implication-for-lung-cancer
#20
REVIEW
Sarah J Counts, Anthony W Kim
Modalities to detect and characterize lung cancer are generally divided into those that are invasive [endobronchial ultrasound (EBUS), esophageal ultrasound (EUS), and electromagnetic navigational bronchoscopy (ENMB)] versus noninvasive [chest radiography (CXR), computed tomography (CT), positron emission tomography (PET), and magnetic resonance imaging (MRI)]. This chapter describes these modalities, the literature supporting their use, and delineates what tests to use to best evaluate the patient with lung cancer...
January 2018: PET Clinics
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